ASSESSING THE REDUCTION OF CARBON DIOXIDE EMISSIONS THROUGH APPLYING HIGH-STR...IAEME Publication
The construction industry accounts for approximately 23% of the national energy
consumption per year. Considering the production and transportation of construction
materials, the ratio of energy consumption increases up to 40 % in this industry.
Recently, several studies established effective strategies for reducing the carbon
dioxide emissions such as utilisation of low-carbon materials, material recycling,
minimisation of materials input, and selection of optimal structural systems. Along with
such approaches, there are various studies examined the application of high-strength
materials for minimum utilisation of construction materials. Despite this approach to
calculate CO2 emissions of structural materials, it is necessary to study the effectiveness
and relationships between the implementation of high-strength re-bars and normal rebars.
In order to fill this gap, this study examines the reduction of reinforcement bars
and CO2 emissions by the implementation of high-strength re-bars in a practical
approach. In this study, an office complex building was selected to assess the quantity
variation over the normal re-bars. The office complex building is a rigid-frame
structure which has 25 storeys above the ground level and one storey in the
underground. Based on the analysed data, this study concluded that the application of
SD500 and SD600 high-strength re-bars would lead the quantity reduction of about
25% and 50% respectively compared to the structural system designed with SD400.
Generally, applications to high-strength materials, especially high-strength re-bars in
the study is potentially beneficial in both reducing the input amount of materials and
carbon dioxide emissions in the rigid-frame structure.
Research Thesis Presentation-
Environmental Impact Of Building Materials: A Study Of Energy Efficient Materials For Building Facade Systems In Mumbai City.
May 2015,
Environmental architecture, Sustainable material. Life cycle assessment. Building Materials, Mumbai
ASSESSING THE REDUCTION OF CARBON DIOXIDE EMISSIONS THROUGH APPLYING HIGH-STR...IAEME Publication
The construction industry accounts for approximately 23% of the national energy
consumption per year. Considering the production and transportation of construction
materials, the ratio of energy consumption increases up to 40 % in this industry.
Recently, several studies established effective strategies for reducing the carbon
dioxide emissions such as utilisation of low-carbon materials, material recycling,
minimisation of materials input, and selection of optimal structural systems. Along with
such approaches, there are various studies examined the application of high-strength
materials for minimum utilisation of construction materials. Despite this approach to
calculate CO2 emissions of structural materials, it is necessary to study the effectiveness
and relationships between the implementation of high-strength re-bars and normal rebars.
In order to fill this gap, this study examines the reduction of reinforcement bars
and CO2 emissions by the implementation of high-strength re-bars in a practical
approach. In this study, an office complex building was selected to assess the quantity
variation over the normal re-bars. The office complex building is a rigid-frame
structure which has 25 storeys above the ground level and one storey in the
underground. Based on the analysed data, this study concluded that the application of
SD500 and SD600 high-strength re-bars would lead the quantity reduction of about
25% and 50% respectively compared to the structural system designed with SD400.
Generally, applications to high-strength materials, especially high-strength re-bars in
the study is potentially beneficial in both reducing the input amount of materials and
carbon dioxide emissions in the rigid-frame structure.
Research Thesis Presentation-
Environmental Impact Of Building Materials: A Study Of Energy Efficient Materials For Building Facade Systems In Mumbai City.
May 2015,
Environmental architecture, Sustainable material. Life cycle assessment. Building Materials, Mumbai
Performance Evaluation of Cost Saving Towards Sustainability in Traditional C...IJRESJOURNAL
Abstract:It is most significant to achieve environment protection in construction industry for which prefabrication construction technique is considered to be most efficient sustainable construction method. The importance of prefabrication is based on the influence of different activities elaborate such a waste management, adaptation of material reuses and recycles. This research paper includes a dynamic design approach to evaluate the cost performance of construction project using prefabrication construction method along with applying the subsequent waste treatment activities to accomplish waste management. The construction cost of duplex villathrough traditional construction has been carried out. The construction cost of the same project has then been calculated by the present prefabricated assembly market prices. After critical comparison between construction costs of traditional and prefabrication methods, a significant cost saving has been noticed. The day by day increasing public awareness about the environmental impacts of construction waste has been resulted in including waste management as a major function of construction project management by some construction organizations. Although, some of methods have been developed for construction waste management it is still of much importance that no research has been done so far in this topic to introduce waste minimization through necessary waste treatment activities. This research paper emphasis on the identification of supreme horizons of prefabrication techniques and methods in construction industry by converging on the aggressive need of suitable training and skills for workplace.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Transportation access was important element on regional development which have
consequence on the environment degradation. This issues driving the land conversion,
an exploitation of natural resources and pollution. This research was conducted to
estimate the carbondioxides emission (CO2) on a road construction process. The data
collects with bottom up approaches from 16 locations of road construction in Central
Java which represents 2 pavement types (flexible and rigid). The GHG emission
estimated with a conversion of fuel consumption (IPCC Method). The estimation result
was analyze with a qualitative and quantitative method. An estimation generated the
CO2 emission of flexible pavement was 261,91 ton CO2 similar with 21,84 kgCO2/m3
while a rigid pavement produces 149,22 ton CO2 similar with 7,44 kgCO2/m3. The
manufacture process became a stages with largest contributor on the CO2 emission.
According to the result, a rigid pavement was an environmentally friendly method to
reduces GHG emission on road construction with a distribution stages plays an
important role as key categories.
Exploring the Durability of Recycled Aggregate Concrete Ahmad Shah Kakar
Exploring the durability properties of Recycled Aggregate Concrete based on some recent researches in this area. Durability issues associated with Recycled Aggregates presented and mitigation measures suggested.
STUDY ON GEOPOLYMER CONCRETE USED FOR PAVING BLOCKSAM Publications
Paver block is used in various applications like in street road and other construction places. Portland cement generates large amounts of carbon dioxide (CO2) which is responsible for global warming hence it is a greenhouse gas. And the concrete paver block production consume large amount of water and space for curing purpose. The other great problem today is disposal of solid waste from Coal fired thermal power plants generate fly ash and pond ash. This project combined sustainability, curing free with waste management leading to a wonderful product called geo-polymer concrete pavers. This paper represents the results of the geopolymer concrete paver block with the mix of M40 grade Test results indicate that low calcium fly ash based geopolymer concrete pavers has excellent compressive strength within short period (3 days) without water curing & suitable for practical applications
Zero Energy Building in Malaysia by SEDA MalaysiaSteve Lojuntin
Objective of ZEB:
To promote the adoption of super low carbon green building by using alternative method focusing purely on sustainable energy practices, starting with advance energy efficiency measures in reducing overall energy demand or consumption and offsetting the balance of minimum energy needed by using on-site renewable energy.
a) Nearly Zero Energy Building (nZEB) is an advance Low Carbon Building initiatives.
b) It is a few steps ahead towards achieving Net Zero Building (NZEB) or Carbon Neutral Building (operational carbon).
c) Focus mainly to building element that have direct impact on carbon reduction which is sustainable energy (EE & RE).
d) Focus on basic, practical & viable elements in sustainable building (quantitative – measurable, recordable and reportable).
Global race on nZEB in Europe and Japan (by 2020 – 2030).
e) Attempt for nZEB / ZEB has been started in Malaysia since 2002.
f) Current assessment tool available in Malaysia, based on energy & carbon reduction.
Development of Green Paving Blocks Using Recycled Aggregates: An Approach tow...iosrjce
Present study deals with the laboratory investigations for fabrication of M-35 grade concrete paving
blocks using recycled coarse and fine aggregates as a replacement of natural aggregates from 25 to 100 % level
by weight and results were compared with control. It was observed that properties of recycled aggregates were
inferior to natural aggregates. However, the properties of recycled aggregates enhanced after washing. The test
results of blocks showed that the replacement of natural aggregates by recycled aggregates at the level of 25 %
had little effect on the compressive strength and it decreased beyond these levels. As compare to natural
aggregates, the flexural strength of paving blocks was higher using recycled aggregates. Durability
performance of blocks like water absorption, density and abrasion resistance was also improved using washed
recycled coarse aggregates. Petrographic image analysis showed improvement in the interface of washed
recycled coarse aggregates and surrounding matrix.
USE OF LCA AS A TOOL TO MEASURE CARBON DIOXIDE AND ASSIST IN DECISIONS ABOUT ...Victor Barbosa
This study presents a simulation of two masonry systems, with two different mortar and four different systems of materials transportation in a construction site, materials like bricks and mortar, for the same building shape and size, in order to quantify carbon dioxide emissions, one of the greenhouse gases, for each one of the possible combinations.
Green Building Rating Systems and the Role of the Project ManagerDavis Ciprikis
Dissertation in Bs.c. in Construction Management year 2016 in Green Building Rating Systems and the Role of the Project Manager that looks at BREEAM and LEED in the Irish construction industry with comprehensive literature review followed by semi structured interviews with different professional backgrounds.
Proposal to BSEEP to adopt GreenPASS Operation (CIS 20 - CIDB) as Energy Effi...Steve Lojuntin
This proposal has been presented to the Building Services Energy Efficiency Programme (BSEEP) during the BSEEP-UNDP Project Review Committee - PRC) Bil 2/2013 at JKR CAST on 22 October 2013.
SEDA Malaysia had proposed BSEEP to adopt GreenPASS (Operation) as EE Building Rating System in Malaysia since the BSEEP project have;
- Objective to reduce GHG emission in building sector in Malaysia.
- BSEEP is looking for Energy Efficient Building Rating System.
- Recognized the energy & carbon reduction initiatives.
- As tool to facilitate ESCOs on the performance on Energy Performance Contracting (EPC) especially in government buildings.
- To facilitate government afford to reduce 40% CO2 intensity in 2020.
Role of sustainability indices in tall buildingssabnisajit
Need of the hour is to determine the sustainability level of a building at the drawing board stage based on the BOQ stipulated. This quantification helps in adopting alternative sustainable building materials and Construction methodologies. This presentation tries to explain the available sustainability indices for tall buildings.
Performance Evaluation of Cost Saving Towards Sustainability in Traditional C...IJRESJOURNAL
Abstract:It is most significant to achieve environment protection in construction industry for which prefabrication construction technique is considered to be most efficient sustainable construction method. The importance of prefabrication is based on the influence of different activities elaborate such a waste management, adaptation of material reuses and recycles. This research paper includes a dynamic design approach to evaluate the cost performance of construction project using prefabrication construction method along with applying the subsequent waste treatment activities to accomplish waste management. The construction cost of duplex villathrough traditional construction has been carried out. The construction cost of the same project has then been calculated by the present prefabricated assembly market prices. After critical comparison between construction costs of traditional and prefabrication methods, a significant cost saving has been noticed. The day by day increasing public awareness about the environmental impacts of construction waste has been resulted in including waste management as a major function of construction project management by some construction organizations. Although, some of methods have been developed for construction waste management it is still of much importance that no research has been done so far in this topic to introduce waste minimization through necessary waste treatment activities. This research paper emphasis on the identification of supreme horizons of prefabrication techniques and methods in construction industry by converging on the aggressive need of suitable training and skills for workplace.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Transportation access was important element on regional development which have
consequence on the environment degradation. This issues driving the land conversion,
an exploitation of natural resources and pollution. This research was conducted to
estimate the carbondioxides emission (CO2) on a road construction process. The data
collects with bottom up approaches from 16 locations of road construction in Central
Java which represents 2 pavement types (flexible and rigid). The GHG emission
estimated with a conversion of fuel consumption (IPCC Method). The estimation result
was analyze with a qualitative and quantitative method. An estimation generated the
CO2 emission of flexible pavement was 261,91 ton CO2 similar with 21,84 kgCO2/m3
while a rigid pavement produces 149,22 ton CO2 similar with 7,44 kgCO2/m3. The
manufacture process became a stages with largest contributor on the CO2 emission.
According to the result, a rigid pavement was an environmentally friendly method to
reduces GHG emission on road construction with a distribution stages plays an
important role as key categories.
Exploring the Durability of Recycled Aggregate Concrete Ahmad Shah Kakar
Exploring the durability properties of Recycled Aggregate Concrete based on some recent researches in this area. Durability issues associated with Recycled Aggregates presented and mitigation measures suggested.
STUDY ON GEOPOLYMER CONCRETE USED FOR PAVING BLOCKSAM Publications
Paver block is used in various applications like in street road and other construction places. Portland cement generates large amounts of carbon dioxide (CO2) which is responsible for global warming hence it is a greenhouse gas. And the concrete paver block production consume large amount of water and space for curing purpose. The other great problem today is disposal of solid waste from Coal fired thermal power plants generate fly ash and pond ash. This project combined sustainability, curing free with waste management leading to a wonderful product called geo-polymer concrete pavers. This paper represents the results of the geopolymer concrete paver block with the mix of M40 grade Test results indicate that low calcium fly ash based geopolymer concrete pavers has excellent compressive strength within short period (3 days) without water curing & suitable for practical applications
Zero Energy Building in Malaysia by SEDA MalaysiaSteve Lojuntin
Objective of ZEB:
To promote the adoption of super low carbon green building by using alternative method focusing purely on sustainable energy practices, starting with advance energy efficiency measures in reducing overall energy demand or consumption and offsetting the balance of minimum energy needed by using on-site renewable energy.
a) Nearly Zero Energy Building (nZEB) is an advance Low Carbon Building initiatives.
b) It is a few steps ahead towards achieving Net Zero Building (NZEB) or Carbon Neutral Building (operational carbon).
c) Focus mainly to building element that have direct impact on carbon reduction which is sustainable energy (EE & RE).
d) Focus on basic, practical & viable elements in sustainable building (quantitative – measurable, recordable and reportable).
Global race on nZEB in Europe and Japan (by 2020 – 2030).
e) Attempt for nZEB / ZEB has been started in Malaysia since 2002.
f) Current assessment tool available in Malaysia, based on energy & carbon reduction.
Development of Green Paving Blocks Using Recycled Aggregates: An Approach tow...iosrjce
Present study deals with the laboratory investigations for fabrication of M-35 grade concrete paving
blocks using recycled coarse and fine aggregates as a replacement of natural aggregates from 25 to 100 % level
by weight and results were compared with control. It was observed that properties of recycled aggregates were
inferior to natural aggregates. However, the properties of recycled aggregates enhanced after washing. The test
results of blocks showed that the replacement of natural aggregates by recycled aggregates at the level of 25 %
had little effect on the compressive strength and it decreased beyond these levels. As compare to natural
aggregates, the flexural strength of paving blocks was higher using recycled aggregates. Durability
performance of blocks like water absorption, density and abrasion resistance was also improved using washed
recycled coarse aggregates. Petrographic image analysis showed improvement in the interface of washed
recycled coarse aggregates and surrounding matrix.
USE OF LCA AS A TOOL TO MEASURE CARBON DIOXIDE AND ASSIST IN DECISIONS ABOUT ...Victor Barbosa
This study presents a simulation of two masonry systems, with two different mortar and four different systems of materials transportation in a construction site, materials like bricks and mortar, for the same building shape and size, in order to quantify carbon dioxide emissions, one of the greenhouse gases, for each one of the possible combinations.
Green Building Rating Systems and the Role of the Project ManagerDavis Ciprikis
Dissertation in Bs.c. in Construction Management year 2016 in Green Building Rating Systems and the Role of the Project Manager that looks at BREEAM and LEED in the Irish construction industry with comprehensive literature review followed by semi structured interviews with different professional backgrounds.
Proposal to BSEEP to adopt GreenPASS Operation (CIS 20 - CIDB) as Energy Effi...Steve Lojuntin
This proposal has been presented to the Building Services Energy Efficiency Programme (BSEEP) during the BSEEP-UNDP Project Review Committee - PRC) Bil 2/2013 at JKR CAST on 22 October 2013.
SEDA Malaysia had proposed BSEEP to adopt GreenPASS (Operation) as EE Building Rating System in Malaysia since the BSEEP project have;
- Objective to reduce GHG emission in building sector in Malaysia.
- BSEEP is looking for Energy Efficient Building Rating System.
- Recognized the energy & carbon reduction initiatives.
- As tool to facilitate ESCOs on the performance on Energy Performance Contracting (EPC) especially in government buildings.
- To facilitate government afford to reduce 40% CO2 intensity in 2020.
Role of sustainability indices in tall buildingssabnisajit
Need of the hour is to determine the sustainability level of a building at the drawing board stage based on the BOQ stipulated. This quantification helps in adopting alternative sustainable building materials and Construction methodologies. This presentation tries to explain the available sustainability indices for tall buildings.
Green building is environmentally-conscious construction and operation of a building structure.
A green Building uses less energy, water and other natural resources creates less waste & Green House Gases and is healthy for people during living or working inside as compared to a standard Building. Another meaning of Green Structure is clean environment, water and healthy living.
Growing and potential impacts of climate change, such as flooding in coastal areas, change in weather patterns, and melting of the permafrost have created new challenges for the engineering and construction industry. These challenges involve adaptation in the design and construction of projects to address these impacts, as well as developing ways to reduce and controlling greenhouse gas (GHG) emissions to mitigate climate change.
Engineering has the lead responsibility for determining the technical feasibility and cost parameters to overcome these challenges. Engineering and construction projects are implemented with the help of a set of standard documents that lay out the work process of the projects. They include standard design detail drawings, standard design criteria, standard specifications, design guides and work process flow diagrams. Incorporating in these standard documents materials and processes which assist project engineers to identify and assess climate change related impacts can be a major step in effectively preparing to meet the challenges of climate change mitigation and adaptation.
155
مبادرة
#تواصل_تطوير
المحاضرة ال 155 من المبادرة
أ. د. / أحمد عبدالحميد
أستشاري واستاذ إصلاح وتصميم المباني الاثرية
بعنوان
" Envelope Design in Hot Climate
التصميم البيئي في الأجواء الحارة "
وذلك يوم الإثنين 04 ابريل 2022
التاسعة والنصف مساء توقيت القاهرة
العاشرة والنصف مساء توقيت مكة المكرمة
و الحضور عبر تطبيق زووم
https://us02web.zoom.us/meeting/register/tZUrf-2rrj8rEtIBL31QooIwoarmnQ60GHKY
علما ان هناك بث مباشر للمحاضرة على القنوات الخاصة بجمعية المهندسين المصريين
ونأمل أن نوفق في تقديم ما ينفع المهندس ومهمة الهندسة في عالمنا العربي
والله الموفق
للتواصل مع إدارة المبادرة عبر قناة التليجرام
https://t.me/EEAKSA
ومتابعة المبادرة والبث المباشر عبر نوافذنا المختلفة
رابط اللينكدان والمكتبة الالكترونية
https://www.linkedin.com/company/eeaksa-egyptian-engineers-association/
رابط قناة التويتر
https://twitter.com/eeaksa
رابط قناة الفيسبوك
https://www.facebook.com/EEAKSA
رابط قناة اليوتيوب
https://www.youtube.com/user/EEAchannal
رابط التسجيل العام للمحاضرات
https://forms.gle/vVmw7L187tiATRPw9
ملحوظة : توجد شهادات حضور مجانية لمن يسجل فى رابط التقيم اخر المحاضرة.
With growing scientific approaches like Life Cycle Assessment (LCA), Green Construction and Sustainable design will be more efficient in the near future as the present design and rating systems are not scientifically and statistically enriched. Life Cycle Assessment is all about Compilation and evaluation of the inputs, outputs and the potential environmental impacts of a product system throughout its life cycle”. This establishes an environmental profile of the system. Impacts taken into account include (among others) embodied energy, global warming potential, resource use, air pollution, water pollution, and waste. This presentation mainly depicts how Life Cycle Assessment is performed and applied.
6th International Conference on Machine Learning & Applications (CMLA 2024)ClaraZara1
6th International Conference on Machine Learning & Applications (CMLA 2024) will provide an excellent international forum for sharing knowledge and results in theory, methodology and applications of on Machine Learning & Applications.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
HEAP SORT ILLUSTRATED WITH HEAPIFY, BUILD HEAP FOR DYNAMIC ARRAYS.
Heap sort is a comparison-based sorting technique based on Binary Heap data structure. It is similar to the selection sort where we first find the minimum element and place the minimum element at the beginning. Repeat the same process for the remaining elements.
Literature Review Basics and Understanding Reference Management.pptxDr Ramhari Poudyal
Three-day training on academic research focuses on analytical tools at United Technical College, supported by the University Grant Commission, Nepal. 24-26 May 2024
An Approach to Detecting Writing Styles Based on Clustering Techniquesambekarshweta25
An Approach to Detecting Writing Styles Based on Clustering Techniques
Authors:
-Devkinandan Jagtap
-Shweta Ambekar
-Harshit Singh
-Nakul Sharma (Assistant Professor)
Institution:
VIIT Pune, India
Abstract:
This paper proposes a system to differentiate between human-generated and AI-generated texts using stylometric analysis. The system analyzes text files and classifies writing styles by employing various clustering algorithms, such as k-means, k-means++, hierarchical, and DBSCAN. The effectiveness of these algorithms is measured using silhouette scores. The system successfully identifies distinct writing styles within documents, demonstrating its potential for plagiarism detection.
Introduction:
Stylometry, the study of linguistic and structural features in texts, is used for tasks like plagiarism detection, genre separation, and author verification. This paper leverages stylometric analysis to identify different writing styles and improve plagiarism detection methods.
Methodology:
The system includes data collection, preprocessing, feature extraction, dimensional reduction, machine learning models for clustering, and performance comparison using silhouette scores. Feature extraction focuses on lexical features, vocabulary richness, and readability scores. The study uses a small dataset of texts from various authors and employs algorithms like k-means, k-means++, hierarchical clustering, and DBSCAN for clustering.
Results:
Experiments show that the system effectively identifies writing styles, with silhouette scores indicating reasonable to strong clustering when k=2. As the number of clusters increases, the silhouette scores decrease, indicating a drop in accuracy. K-means and k-means++ perform similarly, while hierarchical clustering is less optimized.
Conclusion and Future Work:
The system works well for distinguishing writing styles with two clusters but becomes less accurate as the number of clusters increases. Future research could focus on adding more parameters and optimizing the methodology to improve accuracy with higher cluster values. This system can enhance existing plagiarism detection tools, especially in academic settings.
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
Understanding Inductive Bias in Machine LearningSUTEJAS
This presentation explores the concept of inductive bias in machine learning. It explains how algorithms come with built-in assumptions and preferences that guide the learning process. You'll learn about the different types of inductive bias and how they can impact the performance and generalizability of machine learning models.
The presentation also covers the positive and negative aspects of inductive bias, along with strategies for mitigating potential drawbacks. We'll explore examples of how bias manifests in algorithms like neural networks and decision trees.
By understanding inductive bias, you can gain valuable insights into how machine learning models work and make informed decisions when building and deploying them.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)
Control CO2 emission from residential building
1. BUILDING SCHEME FOR
RESIDENTIAL HOUSING FOR THE
GLOBAL WARMING MITIGATION
PHD DISSERTATION DEFENCE
ALI TIGHNAVARD BALASBANEH
17-April-2014
2. INTRODUCTION
• Material selection from residential buildings in designer knowledge in not
only about selecting the strongest, less cheapest or most famous material
which advertise by companies. Designer also may choose environmental
friendly or local materials for residential buildings sector.
• Although the material option might not be limited to these consideration
and some others factor such as weather or high humidity effect the
decision process. The current study for selection the right material will
consider all the possibilities and condition to choosing the right material
for Malaysian construction.
3. INTRODUCTION
• Mitigation and reducing of the greenhouse gas emissions from
building segment must be an appropriate decision of every
nation especially the countries that collaborate on CCPI list
which Malaysia is one of those countries.
• If the consequent of climate change cannot be control
appropriately on the right moment then it is possible to head to
irreversible direction of environmental disaster.
4. Problem statement
• Residential building is responsible for more than 40 percent of
global energy use, and as much as one third of global
greenhouse gas (GHG) emissions.
• The Malaysian ranking on the Climate Change Performance
Index (CCPI) has ranked Malaysian’s a “very poor” country
due to release CO2 emission. Therefore, this study is to
revaluate this ranking through the residential sector of building
construction in Malaysia.
5. Aim of approach
• The major aim of this study is to made a certified review on several
of buildings materials built into a building scheme to find out which
building scheme of construction will consumes less energy and
release less greenhouse gas (GHG) emissions. An environmental
aspect of emission of construction of building scheme activity is
assessed to find its environmental impacts.
6. Objective of the research
• The study determined the environmental impacts on the building
scheme, which was a different material for construction. This study
is founded on a specific building system element of walls and roof
in more than 50 year lifespan.
• To Conduct an scheme analysis on a homogeneous building
(building that mostly uses a single material for construction) to a
complex building scheme (building uses a different material inside a
single building) over a long lifespan of more than 50 years.
7. Objective of the research (cont’)
• Calculate the contribution of each building material in the
components of walls and roofs to the environmental impacts
and emissions.
• Determine the environmental impact on each building scheme
(a case study) to the climate change effect.
8. Objective of the research
• Provide and suggest the new building scheme that are more
environmental friendly that has the building material with less
energy use and have less environmental impacts.
9. Scope of the study
• The scope of this study covers the life cycle of construction
process of fabrication and erection of seven different building
schemes on same building plan, but using different materials
or material combinations which currently has been use for
construction in Malaysia.
10. Methodology Of Study
• Life-cycle assessment is a concept and methodology that have
been developed to analyze the consequences of human activities
on the environment.
• The discussion starts with an exploration of the life cycle
assessment (LCA) methodology that has been used for calculating
the emissions released into the environment through the whole
process of building construction and demolition phase. The
research is in compliance to ISO 14040 standard of LCA
methodologies.
11. Methodology Of Study
• Data were processed by using one of the commercial LCA
software’s SIMAPRO 7.3.3. The IPCC 2007 method (IPCC
method) for LCIA was employed to assess the carbon
footprint, which is expressed in terms of Global Warming
Potential of 20 years, 100 and 500 years.
13. Construction cause climate change
• There are 5 types of rating allocated for CCPI namely: very good,
good, moderate, poor and very poor.
• Malaysia is in number 51 out of 58 which is poor in comparison to
Japan or Singapore. Malaysia is proved poorly control the CO2
emission.
• Construction and manufacturing is the fundamental key to control
and decrees the emission and to reduce CO2 content in the
environment.
• Hence the Malaysia situation to control the CO2 emission has
determined as “very poor”.
14. Construction cause climate change
• Fig2. CCPI ranking
Malaysia’s consumption of
natural resources rates is
amongst the highest in the
region of the world. One sector
that appears to be putting an
effort in these challenges is the
building sector. Buildings and
the built environment contribute
significantly to greenhouse gas
emissions and hence the needs
for better designs are needed to
reduce the overall contribution
of the sector to the climate
change.
15. Literature review
• Building sector have an opportunity to control and reduce the
climate change both in choosing the most preferable material
for building scheme and control the energy usage during the
building life span.
• The Sustainable Buildings & Climate Initiative (UNEP-SBCI,
2009) declare that needed to reduce the greenhouse gas
emissions by at least 50% to avoid the worst-case scenarios of
climate change in the next forty years (by 2050).
16. Literature review
• Leif Gustavsson et al (2006) studied about a method is
suggested to compare the net carbon dioxide (CO2) emission
from the construction of concrete- and wood-framed buildings.
• The methodology applied on two building in in Sweden and
Finland constructed with wood frames and with functionally
equivalent buildings with concrete frames.
• The results indicated that wood-framed construction requires
less energy, and emits less CO2 to the atmosphere, than
concrete-framed construction.
17. Literature review
• Monteiro, H et al (2012) study is compare the results of three life-
cycle impact assessment (LCIA) methods –CED (cumulative energy
demand), for primary energy accounting; CML 2001 (Institute of
Environmental Sciences of Leiden University) and EI’99 (Eco-
indicator’99), for multiple environmental impacts –to determine the
extent to which the results of a life-cycle assessment are influenced
by the method applied.
• The result revealed that the wood-wall is the preferable Solution For
building due to have a minimum effect on environment. Indeed all
the tree methods in this study indicate that wood wall is the
preferable solution.
18. Result and Discussion
• In this research, the main life-cycle processes affected by the
building envelope (material production and transport, maintenance)
have been characterized in terms of energy and environmental
impacts.
• Not included is the energy requirement of other operation-phase
activities (electric appliances, lighting, cooking, domestic hot water)
since it is not affected by the wall solution (Helena Monteiro et al
2012).
19. Result and Discussion
• There are two types of building assessed in this study in holistic
views, First industrial building system (IBS) building and
second conventional buildings.
• The industrial building system comprises timber prefabrication,
precast concrete, block work system and steel framing systems.
Other types including brick house, brick and timber house,
brick and concrete house.
• The seven different building schemes are namely:
20. Result and Discussion
• Precast Light Weight Block Load Bearing System (H1)
• Brick & Concrete House (H2)
• Conventional Total Brick Load Bearing System ( H3)
• Precast concrete of post, column and wall panels ( H4)
• Prefabricated Steel Framing and gypsum panel (H5)
• Brick Exterior Load Bearing and Interior Timber
Prefabricated (H6)
• Prefabricated Post, Beam Timber and wall panels (H7)
21. Fig3: Schematic model of typical the
single-family house.
Fig4: Schematic model of interior
of buildings
Result and Discussion
22. Result and Discussion
• In this section, environmental results are presented. The result
of seven schemes are to determine to which one has a less
burden on the environment that releasing less emission during
their life span.
• Secondly, it compares and represents the result of three
different roofing materials toward the same aim.
• Finally, a selected of a new material for walls that have
released less emission is made by removing the negative
points of wall structure
23. Method Unit H1 H2 H3 H4 H5 H6 H7
IPCC GWP
20a
KG CO2 2.07E+04 6.71E+03 1.21E+04 7.19E+03 1.68E+04 4.10E+03 4.19E+02
IPCC GWP
100a
KG CO2 1.93E+04 6.37E+03 1.15E+04 6.91E+03 1.68E+04 3.88E+03 3.85E+02
IPCC GWP
500a
KG CO2 1.88E+04 6.23E+03 1.12E+04 6.79E+03 1.67E+04 3.80E+03 3.68E+02
Table 1: comparison of seven different walls schemes for 20, 100 and 500 years. Note: IPCC GWP 20a
represent global warming emission for 20 years, IPCC GWP 100a represent global warming potential for 100
years and IPCC GWP 500a IPCC GWP 500a for 500 years.
Comparison of seven different walls scheme
25. Comparison of seven different walls scheme
• Consequently based on the result of life cycle assessment
by IPCC GWP timber house is most preferable building
to the environment that provide less CO2 emission
during its life cycle.
26. Comparison of roof scheme
• To recommend a new building scheme which represents the best
environmentally building by using materials in the market, this
study also suggest the best roofing scheme for building besides the
best preferable materials for walls.
• There are three different roofing scheme has been compared in the
view of life cycle within 50 years. R1 represent the wood roof with
concrete roof tile scheme, R2 represent as steel gauge roof with
concrete roof tile scheme and Wood with Fiber Cement Roof Slate
R3.
28. Comparison of roof scheme
Method Unit R1 R2 R3
IPCC GWP 20a KG CO2 3.10E+03 5.64E+03 2.13E3
IPCC GWP 100a KG CO2 2.94E+03 5.48E+03 2E3
IPCC GWP 500a KG CO2 2.88E+03 5.42E+03 1.95E3
Table2: Climate change comparison of roofs for 20, 100 and 500 years.
29. Comparison of roof scheme
0.00E+00
1.00E+03
2.00E+03
3.00E+03
4.00E+03
5.00E+03
6.00E+03
R1 R2 R3
KGCO2
IPCC GWP 20a IPCC GWP 100a IPCC GWP 500a
Fig6: Climate change analysis results for 3 roof scheme, wooden truss roof
(R1), steel gauge roof (R2), Wood with Fiber Cement Roof Slate (R3) (20,
100 and 500 years CO2 emission)
30. Comparison of roof scheme
• The result from above Figure shows that wood truss structure
with Fiber Cement Roof Slate (R3) is more environmentally
friendly components for residential building, the steel truss
release more emission on global warming than wood truss.
• It can also estimate that the timber building scheme of post
beam (H7) and wood truss roof (R3) are an ideal combination
of the component and material for sustainable residential
building in Malaysia.
31. Design Building Structure to Meet
Climate Change Challenges
• Although there are a vast number of reasons of why timber frame is
an ideal method of construction such as met the environmental
issues and zero carbon , thermal efficiency, speed of construction ,
design flexibility but timber house in Malaysia is consider as
forgettable house scheme and there is no attention to encourage house
maker to use of timber frame or any kind of timber house in Malaysia.
• There are so many building companies and house-maker that prefer
use the alternative material for housing then timber house due to
economic reason.
32. Design Building Structure to Meet
Climate Change Challenges (cont’)
• Malaysia's climate due to its location in the tropics between latitudes 1°
and 7° North and longitudes 100° to 119° East can be classified as
tropical clematises high temperatures, high humidity and heavy rainfall
that lead to timber defects and deterioration.
• Peninsular Malaysia in 1970 shows that the timber had been used more
extensively on building construction in Malaysia until 1970. However
beyond 1970s it has been replaced by concrete, brick and block.
• Timber defect is the most reason for this change.
• According to Burden (2004), defects on timber refer to an improper
condition that affects the structure, leading to failures or low performance
and utilisation of building.
•
33. Design Building Structure to Meet
Climate Change Challenges
• Che, A.I. (2009) evaluated the timber defects for traditional
houses. The defect on timber frame has divided to four
categories in this study which namely: insect, fungal,
weathering, mechanical failure.
• Survey, the element of roof beam at staircase area is found to
have the serious defects cause by fungal infestation.
• The second serious defect cause by the fungal infestation,
and located behind the area of defected roof beam which is
responsible for load bearing. The roof beam which is the
serious defects among 12 others components.
36. Design Building Structure to Meet
Climate Change Challenges (cont’)
• Depending on the size of the beam and the type of wood used, splits
can weaken beams significantly and thus affect the integrity of the
structure. If the split starts to increase in width or length, then it is a
definite sign that the beam is giving way and remedial measures
must be adopted immediately. So this is the beginning of the
problem because it is not easy to replace and exchange the beam on
every building and any structures, meanwhile its cost profoundly for
the house owner. In this situation mostly has been advised to
demolish the structure.
37. Split
• The most problems related to
timber house in occurred on
beam and will effect of
structure stability. Common
problem encountered in wood
beams is their tendency to
split over a time.
• splits when used in
construction as wood beam.
38. Design Building Structure to Meet
Climate Change Challenges (cont’)
• The other negative point of wood beam is low strength in
Load-carrying capacity on multi-story building.
• Having a low load-carrying capacity makes timber beam
vulnerable against burden and make it spin during the use
phase. Changing and replacing of beams is quietly hard
work and can be impossible in high structures building.
Meanwhile even to change a single wood beam may cost
huge in economic point of house owner.
42. New Building Scheme 1 : Precast Concrete
Frame and Timber Wall
• As mentioned above, timber house has some disadvantage on
material strength and defective. Thus, in this section propose an
alternative material for timber house to cover the problem while
the new building structure still has a less effect on global warming.
The first alternative building comprising of precast reinforcement
concrete with wood walls.
• This research would announced and suggest a new approach to
replace the wood beam by alternative material and components
which can removed this negative impact of timber house and make
it reliable house for residence during the residency.
43. New Building Scheme 1 : Precast Concrete
Frame beam & column and Timber Wall (cont’)
Scheme 1 : Precast Concrete Frame and Timber Wall
44. Table 3 : Climate change emission from timber panel and precast concrete frame for 20, 100 and 500
years.
Method Unit Total Wood Precast Screw
IPCC GWP 20a KG CO2 611 155 371 85.6
IPCC GWP 100a KG CO2 581 145 357 79.1
IPCC GWP 500a KG CO2 569 142 351 75.8
New Building Scheme 1 : Precast Concrete
Frame beam & column and Timber Wall (cont’)
45. New Building Scheme 1 : Precast Concrete
Frame beam & column and Timber Wall (cont’)
0
100
200
300
400
500
600
700
IPCC GWP 20a IPCC GWP 100a IPCC GWP 500a
KGCO2
wood precast screw
Figure 8 Climate change analysis results for timber panel and precast concrete frame (20,
100 and 500 years CO2 emission)
46. New building Scheme 2 : Steel-Wood
Frame and Timber wall
• This structure comprises the wood wall and wood post &
beam; however the steel sheet attached to post & beam to
increase the stability of the structure. Because if any damage
happened to their structure a timber frame undergoing major
repairs.
47. New building Scheme 2 : Steel-Wood
Frame and Timber wall (cont’)
Figure 9 Scheme 2 : Steel-Wood Frame and Timber wall
48. Table 4 : Climate change emission from Steel-Wood Frame and Timber wall for
20, 100 and 500 years
Method Unit total wood screw steel stud bolt
IPCC GWP 20a KG CO2 1.34E+03 192 107 1.02E+03 18.9
IPCC GWP 100a KG CO2 1.32E+03 180 98.7 1.02E+03 17.5
IPCC GWP 500a KG CO2 1.31E+03 176 94.6 1.02E+03 16.8
New building Scheme 2 : Steel-Wood Frame
and Timber wall (cont’)
49. Fig 10: Climate change analysis results Steel-Wood Frame and Timber wall (20, 100 and
500 years CO2 emission)
0.00E+00
2.00E+02
4.00E+02
6.00E+02
8.00E+02
1.00E+03
1.20E+03
1.40E+03
1.60E+03
IPCC GWP 20a IPCC GWP 100a IPCC GWP 500a
KGCO2
steel stud wood screw Bolt
New building Scheme 2 : Steel-Wood Frame
and Timber wall (cont’)
50. New building Scheme 2 : Steel-Wood
Frame and Timber wall (cont’)
• As figure shows that the most effect on global warming by
timber house covered beam & column by steel occurred by steel
stud. The advantage of using the model is steel surrounded the
wood and can be used for much longer spans, heavier loads, and
complex shapes.
51. New Building Scheme 3 : Combination of
Interior Timber Wall and Exterior Precast Wall
• In order to minimization of negative impact of construction to
climate change the model three has been suggested. Model three
has combined of precast concrete for exterior wall and timber
prefabrication for interior walls.
52. New Building Scheme 3 : Combination of Interior
Timber Wall and Exterior Precast Wall (cont’)
Figure 11 : Steel-Wood Frame and Timber wall
53. Table 5 : Climate change emission from exterior concrete wall with interior wood wall for
20, 100 and 500 years.
Method Unit Total Precast Wood Screw
IPCC GWP 20a KG CO2 3.71E3 3.54E3 99.2 70.8
IPCC GWP 100a KG CO2 3.56E3 3.4E3 93.1 65.4
IPCC GWP 500a KG CO2 3.5E3 3.35E3 90.8 62.7
New Building Scheme 3 : Combination of Interior
Timber Wall and Exterior Precast Wall (cont’)
54. Figure 11 Climate change analysis results exterior concrete wall with interior wood wall (20, 100 and 500 years
CO2 emission)
3.10E+03
3.20E+03
3.30E+03
3.40E+03
3.50E+03
3.60E+03
3.70E+03
3.80E+03
IPCC GWP 20a IPCC GWP 100a IPCC GWP 500a
KGCO2
Precast wood screw
New Building Scheme 3 : Combination of Interior
Timber Wall and Exterior Precast Wall (cont’)
55. Selection Construction System and Comparison
of Existing Building and New Models Building
• Thus, this research has proposed new building schemes that however
have a low CO2 emission to atmosphere but also is adjusted to
Malaysian weather and have a higher life expectancy and don’t need to
change or replace the structure with a new material.
• The new building schemes are respectively Precast Concrete Frame and
Timber Wall (H8), Steel-Wood Frame and Timber wall (H9),
Combination of Interior Timber Wall and Exterior Precast Wall (H10).
56. Selection Construction System and Comparison of
Existing Building and New Models Building
Method Unit H1 H2 H3 H4 H5 H6 H8 H9 H1
IPC
CGWP
20a
KG
CO2
2.07E+04
6.71E+03
1.21E+04
7.19E+03
1.68E+04
4.10E+03
611
1.34E+03
3.71E3
IPC
CGWP
100a
KG
CO2
1.93E+04
6.37E+03
1.15E+04
6.91E+03
1.68E+04
3.88E+03
581
1.32E+03
3.56E3
IPC
CGWP
500a
KG
CO2
1.88E+04
6.23E+03
1.12E+04
6.79E+03
1.67E+04
3.80E+03
569
1.31E+03
3.5E3
57. Selection Construction System and Comparison of
Existing Building and New Models Building
0.00E+00
5.00E+03
1.00E+04
1.50E+04
2.00E+04
2.50E+04
H1 H2 H3 H4 H5 H6 H8 H9 H10
KGCO2
IPCC GWP 20A IPCC GWP 100A IPCC GWP 500A
Figure 12: Climate change analysis results comparison of all new building
scheme with existing building scheme (20, 100 and 500 years CO2 emission)
58. CONCLUSION & RESEARCH OUTCOME (CONT”)
• The new schemes that represent in this research have improving the
structure defection by applying and combining the right material on
schemes of building. The new schemes also have less effect on
climate change to comparisons by six others current schemes of
Malaysian construction and meanwhile has removing the defection of
timber beam in the structure. If the timber beam and other
components of structure can have longer life expectancy which can be
up to 100 years then it can encourage the private and government
sector to use of wood component instead on current construction
industry.
59. CONCLUSION & RESEARCH OUTCOME (CONT”)
• The result reveal that the three new schemes namely: Precast Concrete
Frame and Timber Wall (H8), Steel-Wood Frame and Timber wall (H9),
Combination of Interior Timber Wall and Exterior Precast Wall (H10)
represent the most beneficial environmental schemes for building sector
in Malaysia and meantime the defection of timber has been removed by
replacing others material in the structure or increasing of strength in
structure.
60. Future Research Suggestion
• Another study can be accomplished in this issue that assess
above study in lifecycle cost point. Life cycle cost has been
another issue that always took place for the house owner and
stockholder. The future study can estimate whether the
suggested building can be suitable in cost point or others
traditional buildings.
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