Micro-piling is one of the efficient and cost effective ground improvement technique which can be use various condition. It can use to support foundation as well as soil retention.
In this presentation i have gone through about various prospects and challenges that have been faced at the time of installation,its types,method of installation &its application.
The vacuum dewatering process basically improves strength, durability, and other properties of concrete by reducing the water-cement ratio immediately after the mix is placed, usually in floors and other flatwork. A Bridgeport, Connecticut vacuum dewatering demonstration, although it involved no new ...
vacuum dewatering system
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dewatering pump system
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small wellpoint dewatering systems
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In this presentation i have gone through about various prospects and challenges that have been faced at the time of installation,its types,method of installation &its application.
The vacuum dewatering process basically improves strength, durability, and other properties of concrete by reducing the water-cement ratio immediately after the mix is placed, usually in floors and other flatwork. A Bridgeport, Connecticut vacuum dewatering demonstration, although it involved no new ...
vacuum dewatering system
vacuum dewatering pump
vacuum dewatering box
wellpoint pump systems
dewatering pump system
dewatering pump
dewatering wellpoint
small wellpoint dewatering systems
interesting civil engineering topics
civil engineering topics for presentation
civil seminar topics ppt
civil engineering seminar topics 2018
best seminar topics for civil engineering
seminar topics pdf
seminar topics for mechanical engineers
seminar topic for civil engineering pdf
Diaphragm walls are underground structural elements.
It is an in-situ reinforced concrete structure that is constructed panel by panel.
Diaphragm walls are ideal for soft clays and loose sands below the water table where there is a need to control lateral movements.
PLATE LOAD TEST
PRESUMPTIVE SAFE BEARING CACACITY
PLATE LOAD TEST APPARATUS / EQUIPMENT
PLATE LOAD TEST PROCEDURE
CALCULATION OF BEARING CAPACITY FROM PLATE LOAD TEST
For vedo link
Https://youtu.be/BUMd7CKcBV8
Diaphragm wall: Construction and DesignUmer Farooq
Diaphragm walls are concrete or reinforced concrete walls constructed in slurry-supported, open trenches below existing ground.
Concrete is placed using the Tremie installation method or by installing pre-cast concrete panels (known as a pre-cast diaphragm wall). Diaphragm walls can be constructed to depths of 150 meters and to widths of 0.5 to 1.50 meters.
Diaphragm walls are underground structural elements.
It is an in-situ reinforced concrete structure that is constructed panel by panel.
Diaphragm walls are ideal for soft clays and loose sands below the water table where there is a need to control lateral movements.
PLATE LOAD TEST
PRESUMPTIVE SAFE BEARING CACACITY
PLATE LOAD TEST APPARATUS / EQUIPMENT
PLATE LOAD TEST PROCEDURE
CALCULATION OF BEARING CAPACITY FROM PLATE LOAD TEST
For vedo link
Https://youtu.be/BUMd7CKcBV8
Diaphragm wall: Construction and DesignUmer Farooq
Diaphragm walls are concrete or reinforced concrete walls constructed in slurry-supported, open trenches below existing ground.
Concrete is placed using the Tremie installation method or by installing pre-cast concrete panels (known as a pre-cast diaphragm wall). Diaphragm walls can be constructed to depths of 150 meters and to widths of 0.5 to 1.50 meters.
EXCAVATION FOR FOUNDATION - Methods & Temporary Earth Retaining StructuresShivananda Roy
Generally excavation means to loosen and take out materials leaving space above or below ground. Sometimes in civil engineering term earthwork is used which include back-filling with new or original materials to voids, spreading and leveling over an area.
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.
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdfKamal Acharya
The College Bus Management system is completely developed by Visual Basic .NET Version. The application is connect with most secured database language MS SQL Server. The application is develop by using best combination of front-end and back-end languages. The application is totally design like flat user interface. This flat user interface is more attractive user interface in 2017. The application is gives more important to the system functionality. The application is to manage the student’s details, driver’s details, bus details, bus route details, bus fees details and more. The application has only one unit for admin. The admin can manage the entire application. The admin can login into the application by using username and password of the admin. The application is develop for big and small colleges. It is more user friendly for non-computer person. Even they can easily learn how to manage the application within hours. The application is more secure by the admin. The system will give an effective output for the VB.Net and SQL Server given as input to the system. The compiled java program given as input to the system, after scanning the program will generate different reports. The application generates the report for users. The admin can view and download the report of the data. The application deliver the excel format reports. Because, excel formatted reports is very easy to understand the income and expense of the college bus. This application is mainly develop for windows operating system users. In 2017, 73% of people enterprises are using windows operating system. So the application will easily install for all the windows operating system users. The application-developed size is very low. The application consumes very low space in disk. Therefore, the user can allocate very minimum local disk space for this application.
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
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Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Automobile Management System Project Report.pdfKamal Acharya
The proposed project is developed to manage the automobile in the automobile dealer company. The main module in this project is login, automobile management, customer management, sales, complaints and reports. The first module is the login. The automobile showroom owner should login to the project for usage. The username and password are verified and if it is correct, next form opens. If the username and password are not correct, it shows the error message.
When a customer search for a automobile, if the automobile is available, they will be taken to a page that shows the details of the automobile including automobile name, automobile ID, quantity, price etc. “Automobile Management System” is useful for maintaining automobiles, customers effectively and hence helps for establishing good relation between customer and automobile organization. It contains various customized modules for effectively maintaining automobiles and stock information accurately and safely.
When the automobile is sold to the customer, stock will be reduced automatically. When a new purchase is made, stock will be increased automatically. While selecting automobiles for sale, the proposed software will automatically check for total number of available stock of that particular item, if the total stock of that particular item is less than 5, software will notify the user to purchase the particular item.
Also when the user tries to sale items which are not in stock, the system will prompt the user that the stock is not enough. Customers of this system can search for a automobile; can purchase a automobile easily by selecting fast. On the other hand the stock of automobiles can be maintained perfectly by the automobile shop manager overcoming the drawbacks of existing system.
Courier management system project report.pdfKamal Acharya
It is now-a-days very important for the people to send or receive articles like imported furniture, electronic items, gifts, business goods and the like. People depend vastly on different transport systems which mostly use the manual way of receiving and delivering the articles. There is no way to track the articles till they are received and there is no way to let the customer know what happened in transit, once he booked some articles. In such a situation, we need a system which completely computerizes the cargo activities including time to time tracking of the articles sent. This need is fulfilled by Courier Management System software which is online software for the cargo management people that enables them to receive the goods from a source and send them to a required destination and track their status from time to time.
Vaccine management system project report documentation..pdfKamal Acharya
The Division of Vaccine and Immunization is facing increasing difficulty monitoring vaccines and other commodities distribution once they have been distributed from the national stores. With the introduction of new vaccines, more challenges have been anticipated with this additions posing serious threat to the already over strained vaccine supply chain system in Kenya.
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.
2. History
• Micro-piles were conceived in Italy in the early 1950s,
• In response to the demand for innovative techniques for
underpinning historic buildings and monuments that had sustained
damage during World War II.
• It is used to support foundation to resist static and seismic loading
conditions, and as in-situ reinforcements for slope and excavation
stability.
3. Introduction
• A Micro pile have a small diameter, typically less than 300mm.
• It is a drilled and grouted non-displacement pile which is heavily reinforced and
carries most of its loading on the high capacity steel reinforcement
• Reinforcement and cement grout are the major component of micro pile.
• It also known as mini pile.
4. Favorable use of Micropile
• Hard strata is available at higher depth
• Damaged structure
• Hilly area
• Uneven settlement
• Space is less
• Excavation support
7. Based on Design Criteria/Application
1. Takes directly applied load
2. Provide reinforcement to the soil to
resist load.
8. Based on Construction type
1. Type A: Gravity Grout
2. Type B: Pressure through Casing
3. Type C: Single Global Post Grout
4. Type D: Multiple Repeatable Post Grout
9. Type A: Gravity Grout
• Gravity head only using sand-cement motors or neat cement
Type B: Pressure through Casing
• Cement grout is placed into the hole as the temporary steel casing
is with drawn.
• Injection pressures varies from 0.5 to 1.0 MPa. The pressure is
limited to avoid fracturing of the surrounding ground.
Type C: Single Global Post Grout
This is done in two step process:
• As of Type A
• Prior to hardening of the primary grout, similar grouts injected one
time via a sleeve grout pipe at pressure of at least 1.0MPa.
Type D: Multiple Repeatable Post Grout
This is done in two step process:
• As of Type A
• Prior to hardening of the primary grout, similar grouts injected one
time via a sleeve grout pipe at pressure of at 2.0 to 8.0MPa
10.
11. Construction of micro pile
• Following step are carried out for construction of micro pile.
Drilling and/or installation of temporary casing
Remove inner drilling bit rod.
Placing reinforcement and grouting by tremie.
Remove temporary casing, inject further grout under pressure.
Complete pile (casing may be left in place of compressible stratum)
12.
13.
14. Application of micro pile
• For structure support
• New foundation
• Under pinning of existing
foundation
• Seismic retrofitting of existing
structure
• Scour protection
• Excavation support in confined
area
• For situ reinforcement
• Slope stabilization
• Earth retention
• Ground strengthening and
protection
• Settlement reduction
15.
16. Advantages of micro pile
• It used to underpin the existing structure where need of minimum
vibration.
• It can be easily laid where low head room is constraint.
• It can be installed at any angle.
• It offers practical and cost effective solution to costly alternative pile
system.
• Not require large access road or drilling platforms.
17. Case Study
KM 150.00 D-S-DBO Road
• The site at KM 150.00 is a deserted zone at elevation of 14500 feet with
glacier valleys and during summer season glacier melts which increases the
water level of Shyok River and damages the road which ultimately leads to
difficulty in transportation.
• The site located along hilly terrain, a highly remote area where accessibility is
very hard and climatic conditions are very harsh for humans.
• Government of India had tried various techniques for the foundation purpose
of the bridge such as deep (well, pile, etc.) and shallow foundations (open
cast foundation).
• Well foundation is not suitable due to higher water level
• Due to requirement of mobilization of heavy machinery pile foundation is not
feasible
• In case of shallow foundation the concrete is not setting due to the presence
of high water table, dewatering is required continuously which is not
considered to be a good option.
20. Solution- (Micro pile)
• The company Spar Geo planned to construct 42 micro-piles as a
foundation each for 9 in river piers and 2 abutments. Each micro-pile
will have 273 mm diameter socketed 21 meters into soil.
• Grouting will be carried out using cement (53 grade OPC) with
addition of 1% special admixture of the total weight of cement to
increase the strength of grout mix with the help of double packer for
1.5 m section which helps to maintain almost a uniform thickness of
grout along the length.
• The pile testing will be conducted for vertical and lateral load up to
two times of designed load as per IS: 2911 (part 4).