Concrete, Fire-Resistant Concrete IDM10
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Done by Scientists group at Zobaida independent secondary school for girls. Under supervision from AL-Bairaq
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geopolymers concrete
Geopolymers made from slag and fly ash are identified as a potential competitor to cement due to their lower carbon emissions and cost. Research shows that geopolymers can provide similar strength and durability as cement while emitting no carbon during production and being up to 15% cheaper. Several countries are investing in developing and commercializing geopolymer concrete, with Australia being an early adopter - the Wellcamp airport used over 30,000 cubic meters of geopolymer concrete, saving 6,600 tons of carbon emissions during construction. The first building made with geopolymer concrete was the Global Change Institute at the University of Queensland in Australia.
Concrete, Water Heater, IDM7
Group Name: TBZ_Rocksoild7
School Name: Tariq Bin Ziyad Independent Secondary School for Boys
This module enables the students to study concrete properties in general through experiments done by the students.
Some types of concrete can absorb the heat therefore we can use the concrete in heating. After studying such types of heat conductive concrete the idea of making water heater by concrete clicked our mind.
CERAMIC WASTE CONCRETE
A ceramic is an inorganic compound, non-metallic, solid material comprising metal, non-metal or metalloid atoms primarily held in ionic and covalent bonds. This article gives an overview of ceramic materials from the point of view of materials science.
The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, vitrified, and often completely amorphous (e.g., glasses). Most often, fired ceramics are either vitrified or semi-vitrified as is the case with earthenware, stoneware, and porcelain. Varying crystallinity and electron consumption in the ionic and covalent bonds cause most ceramic materials to be good thermal and electrical insulators (extensively researched in ceramic engineering). With such a large range of possible options for the composition/structure of a ceramic (e.g. nearly all of the elements, nearly all types of bonding, and all levels of crystallinity), the breadth of the subject is vast, and identifiable attributes (e.g. hardness, toughness, electrical conductivity, etc.) are hard to specify for the group as a whole. General properties such as high melting temperature, high hardness, poor conductivity, high moduli of elasticity, chemical resistance and low ductility are the norm,[1] with known exceptions to each of these rules (e.g. piezoelectric ceramics, glass transition temperature, superconductive ceramics, etc.). Many composites, such as fiberglass and carbon fiber, while containing ceramic materials, are not considered to be part of the ceramic family.[2]
Composites, Newton Group ,Isolated Room ,IDM8
Done By :Newton Group
School Name :Al-Shamal Independent Secondary school for Girls
Composites : materials made from two or more constituent materials with significantly different physical or chemical properties, that when combined, produce a material with characteristics different from the individual components.
Isolated Room :The Idea is talk about creating an isolated room which sound insulator that will provide in many areas.
Ceramic waste
This document discusses using ceramic waste as an aggregate in concrete. It presents the results of an experiment replacing regular aggregate with 10-40% ceramic waste aggregate. The highest compressive strengths were achieved with 10-30% replacement. Replacing over 30% resulted in lower strengths. The conclusion is that ceramic waste can be effectively used in concrete as both sand and coarse aggregate up to certain percentages without negatively impacting strength properties. This reduces waste in the ceramic industry and costs for raw materials in concrete production.
CLC bricks manufacturers and suppliers by Sri Sai industries
CLC bricks manufacturers and suppliers by Sri Sai industries Buildzs.com., 3T Media Technologies Pvt Ltd
Sri Sai Bricks is a partnership firm established in 2013 that manufactures excellent quality bricks at its facility in Pratap singaram Village using quality raw materials and a dedicated workforce. The company's goal is to supply bricks in a timely manner and it produces cellular lightweight concrete bricks that use less water than other bricks, provide high thermal insulation and fire safety, and have an increased lifespan.Fire effects on concrete
Concrete is composed of cement, water and aggregates that undergo a chemical reaction called hydration to harden. When exposed to high temperatures in fires, concrete's properties change as it undergoes dehydration, shrinkage, and decomposition of its compounds. The temperature reached in different types of fires can vary greatly from over 1000°C for fuels like hydrogen to under 1000°C for materials like wood. The resistance of reinforced concrete in fire depends on the type of aggregates used and the concrete cover thickness over the reinforcing steel bars. Damage assessment after a fire considers the fire duration and temperatures reached, with repair methods including removing damaged layers or applying calcium silicate to strengthen the surface.
FIRES AS A CAUSE OF CONCRETE DETERIORATION
Presentation outline
Introduction to the subject
What is the causes of fire?
Physical and chemical response to fire
Spalling of concrete
Factors influencing the explosive spalling
How to improve the concrete structures in the fire resistance?
Case study - Concrete structure subjected to a fire in U.A.E
Rehabilitation methods and the repairing plan
Recommendation and conclusions
Recommended
geopolymers concrete
Geopolymers made from slag and fly ash are identified as a potential competitor to cement due to their lower carbon emissions and cost. Research shows that geopolymers can provide similar strength and durability as cement while emitting no carbon during production and being up to 15% cheaper. Several countries are investing in developing and commercializing geopolymer concrete, with Australia being an early adopter - the Wellcamp airport used over 30,000 cubic meters of geopolymer concrete, saving 6,600 tons of carbon emissions during construction. The first building made with geopolymer concrete was the Global Change Institute at the University of Queensland in Australia.
Concrete, Water Heater, IDM7
Group Name: TBZ_Rocksoild7
School Name: Tariq Bin Ziyad Independent Secondary School for Boys
This module enables the students to study concrete properties in general through experiments done by the students.
Some types of concrete can absorb the heat therefore we can use the concrete in heating. After studying such types of heat conductive concrete the idea of making water heater by concrete clicked our mind.
CERAMIC WASTE CONCRETE
A ceramic is an inorganic compound, non-metallic, solid material comprising metal, non-metal or metalloid atoms primarily held in ionic and covalent bonds. This article gives an overview of ceramic materials from the point of view of materials science.
The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, vitrified, and often completely amorphous (e.g., glasses). Most often, fired ceramics are either vitrified or semi-vitrified as is the case with earthenware, stoneware, and porcelain. Varying crystallinity and electron consumption in the ionic and covalent bonds cause most ceramic materials to be good thermal and electrical insulators (extensively researched in ceramic engineering). With such a large range of possible options for the composition/structure of a ceramic (e.g. nearly all of the elements, nearly all types of bonding, and all levels of crystallinity), the breadth of the subject is vast, and identifiable attributes (e.g. hardness, toughness, electrical conductivity, etc.) are hard to specify for the group as a whole. General properties such as high melting temperature, high hardness, poor conductivity, high moduli of elasticity, chemical resistance and low ductility are the norm,[1] with known exceptions to each of these rules (e.g. piezoelectric ceramics, glass transition temperature, superconductive ceramics, etc.). Many composites, such as fiberglass and carbon fiber, while containing ceramic materials, are not considered to be part of the ceramic family.[2]
Composites, Newton Group ,Isolated Room ,IDM8
Done By :Newton Group
School Name :Al-Shamal Independent Secondary school for Girls
Composites : materials made from two or more constituent materials with significantly different physical or chemical properties, that when combined, produce a material with characteristics different from the individual components.
Isolated Room :The Idea is talk about creating an isolated room which sound insulator that will provide in many areas.
Ceramic waste
This document discusses using ceramic waste as an aggregate in concrete. It presents the results of an experiment replacing regular aggregate with 10-40% ceramic waste aggregate. The highest compressive strengths were achieved with 10-30% replacement. Replacing over 30% resulted in lower strengths. The conclusion is that ceramic waste can be effectively used in concrete as both sand and coarse aggregate up to certain percentages without negatively impacting strength properties. This reduces waste in the ceramic industry and costs for raw materials in concrete production.
CLC bricks manufacturers and suppliers by Sri Sai industries
CLC bricks manufacturers and suppliers by Sri Sai industries Buildzs.com., 3T Media Technologies Pvt Ltd
Sri Sai Bricks is a partnership firm established in 2013 that manufactures excellent quality bricks at its facility in Pratap singaram Village using quality raw materials and a dedicated workforce. The company's goal is to supply bricks in a timely manner and it produces cellular lightweight concrete bricks that use less water than other bricks, provide high thermal insulation and fire safety, and have an increased lifespan.Fire effects on concrete
Concrete is composed of cement, water and aggregates that undergo a chemical reaction called hydration to harden. When exposed to high temperatures in fires, concrete's properties change as it undergoes dehydration, shrinkage, and decomposition of its compounds. The temperature reached in different types of fires can vary greatly from over 1000°C for fuels like hydrogen to under 1000°C for materials like wood. The resistance of reinforced concrete in fire depends on the type of aggregates used and the concrete cover thickness over the reinforcing steel bars. Damage assessment after a fire considers the fire duration and temperatures reached, with repair methods including removing damaged layers or applying calcium silicate to strengthen the surface.
FIRES AS A CAUSE OF CONCRETE DETERIORATION
Presentation outline
Introduction to the subject
What is the causes of fire?
Physical and chemical response to fire
Spalling of concrete
Factors influencing the explosive spalling
How to improve the concrete structures in the fire resistance?
Case study - Concrete structure subjected to a fire in U.A.E
Rehabilitation methods and the repairing plan
Recommendation and conclusions
Study on the fire resistant design of reinforced concrete flexural members
Abstract The inherent fire resistance property of concrete is one of its benefits. This thesis mainly focuses on fire resistant design of RC flexural member’s viz. beams and slabs using finite element software ANSYS 13. Both thermal and thermo-structural analysis was carried out for various parameters. Thermal analysis is done by taking into concern several parameters viz. aggregate type, cover to the reinforcement, concrete thickness, strength of concrete etc. The results are compared with IS 456:2000 provisions. Thermo-structural analysis is conducted for various support conditions and load ratio. Elements were modeled using SOLID 70 element and LINK 33 element for thermal analysis. For thermo-structural analysis instead of SOLID 70 element, SOLID 65 element was used. The parameters having a paramount influence on fire resistance are support conditions, dimensions of members, action of members under load, cover to the reinforcement, type of aggregates etc. Effect of the parameters on fire resistance is found out. Techniques to develop fire resistance are then found out. Moreover, it is found out that by changing some parameters, better fire resistant design for structural elements can be achieved. Key Words: Thermal analysis, Thermo-structural analysis, SOLID 70, SOLID 65, LINK 33
Fire resistant concrete design 2
To minimize loss of life and property, structure of building should be established to allow time for evacuation from place location of the fire and to provide the structure and prevent the collapse of buildings having high fire risk rate. Considered most of buildings made by concrete in our country, integrity of concrete must be provided during the time period escape from fire. Particularly, buildings and fire compartments having high fire risk, must be designed to provide high strength and to minimize the loss of goods. Forming fireproof compartments may be accomplished by, treatment of the weak points and determinating temperature changes on the concrete components. Fire resistance of concrete increased by adding puzzolan additives. In the study, behavior of concrete exanimate at different temperatures and optimal concrete composition evaluated. Use of such concrete built with laboratories and flammable and chemical gases or liquids stores, will reduce the life losses significantly. Moreover, studies in the light of the findings obtained that, usage of concrete in those locations has a great significance, in the creation of a secure environment during evacuation and quenched period.
Keywords: Concrete, Fire Resistant, Puzzolan Additives,
High Performance concrete, Durability
fire resistive construction
This document discusses fire resistant construction materials and methods. It begins by defining fire resistant construction as using non-combustible materials with fire resistance ratings equal or greater than required by law.
Durability of concrete
This document discusses quality control and durability factors in concrete. It defines quality as conformance to requirements and durability as a concrete's ability to resist deterioration when exposed to the environment. Several factors influence concrete durability, including the materials used, water-cement ratio, compaction, curing and the physical and chemical conditions of the service environment. Common durability issues include corrosion, cracking from sulfate attack or alkali-silica reaction, and carbonation reducing alkalinity. Proper quality control of materials and construction processes is needed to produce durable concrete.
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- Classification of trees as endogenous or exogenous
- Seasoning of timber through natural, kiln, chemical, or electric methods
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- Defects in timber like heart shakes, star shakes, and knots
- Deterioration of timber through decay, insects, and fire
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Concrete, Professors Group ,Adding Plastic waste to Concrete ,IDM8Qatar University- Young Scientists Center (Al-Bairaq)
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Adding Plastic Waste to Concrete: in order to increase concrete strength, we add the plastic waste into the concrete Sample
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Nowadays, airplanes are taking a huge contribution in our life. We all depend on air flight to travel from place to place. The most important thing we look for in our air flights is safety. This project considers adding more safety to air flights and airports.
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The document summarizes several experiments conducted to learn about the properties of concrete. It describes mixing concrete with different ratios of cement, water, aggregates and additives. It finds that adding salt hardens concrete faster while sugar slows hardening. Different ratios of coarse to fine aggregates and water to cement affect the density and strength. Reinforcing concrete with cotton was unsuccessful while bitumen and glue made the concrete waterproof, allowing its use for farming strawberries and tomatoes with seawater. The students learned how concrete's properties depend on its formulation and components.Concrete, A strong and waterproof concrete
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1. The document summarizes several activities conducted by students to learn about concrete, including hunting for objects made of concrete, comparing how different cement mixtures harden, testing how aggregate ratios affect density, reinforcing samples, and testing sample strength.
2. One experiment found that a mixture with a 50:50 coarse to total aggregate ratio had the highest density. Another experiment found that adding steel tire scraps to concrete increased its flexibility and strength.
3. The students thanked their teachers, school, and sponsors for supporting their research into learning about and improving the properties of concrete.Concrete - Purifying Water for Agriculture IDM7
Concrete - Purifying Water for Agriculture IDM7Qatar University- Young Scientists Center (Al-Bairaq)
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Concrete is a composite material composed of water, coarse granular material (the fine and coarse aggregate or filler) embedded in a hard matrix of material (the cement or binder) that fills the space among the aggregate particles and glues them together.
This module enables the students to study concrete properties in general through experiments done by the students.
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Concrete is a composite material composed mainly of water, aggregate , and cement
We searched on the internet for a substance that prevent water to go inside the concrete and damage it or make some huge gaps.
green Concrete
Concrete is a composite material made of coarse and fine aggregates bonded together with cement. The team conducted several activities to learn about concrete including searching for objects made of concrete, comparing how different types of cement harden, comparing densities of concrete mixtures, and testing the strength and brittleness of concrete. Their design project was to reinforce concrete by adding metal, which made the concrete harder to break and better able to withstand impacts. The document outlines the team's learning activities and conclusions about how concrete's properties are affected by its components.
Concrete, Glowing concrete
The students conducted experiments to learn about concrete, including its composition, properties, and uses. They discovered that concrete is a mixture of cement, sand, gravel and water that is strong yet inexpensive. The students tested how additives like salt and sugar affect curing time and how the water-cement ratio impacts strength. For their final project, they created glowing concrete by adding glow-in-the-dark paint, which could have applications like road markings. The activities helped the students gain hands-on experience with concrete and confidence in their abilities to discover new things.
Concretes, Concrete Insulation Box, IDM13
The document summarizes several activities exploring the properties and uses of concrete. It begins with an introduction to concrete and its widespread uses in buildings and infrastructure. It then outlines four activities: 1) identifying common objects made of concrete, 2) comparing how additives affect curing time of concrete samples, 3) determining the optimal ratios of aggregates for highest density concrete, and 4) testing the strength of different concrete mixtures. It concludes with proposing a design project to create an insulated concrete box for transporting medicines in high temperatures.
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Concrete, Life without Negative Charge, IDM12
1) The document describes several activities conducted by students to learn about concrete, including hunting for concrete objects, comparing cement types, testing concrete mixtures, and designing a reinforced concrete project.
2) The students explored how concrete is formed from a mixture of cement, water, and aggregates. They tested how additives like salt and sugar affect cement hardening.
3) For their final project, the students proposed a concrete containing magnets that could attract negative charges and free radicals, aiming to reduce their harmful effects on health in buildings like hospitals.
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Study on the fire resistant design of reinforced concrete flexural members
Abstract The inherent fire resistance property of concrete is one of its benefits. This thesis mainly focuses on fire resistant design of RC flexural member’s viz. beams and slabs using finite element software ANSYS 13. Both thermal and thermo-structural analysis was carried out for various parameters. Thermal analysis is done by taking into concern several parameters viz. aggregate type, cover to the reinforcement, concrete thickness, strength of concrete etc. The results are compared with IS 456:2000 provisions. Thermo-structural analysis is conducted for various support conditions and load ratio. Elements were modeled using SOLID 70 element and LINK 33 element for thermal analysis. For thermo-structural analysis instead of SOLID 70 element, SOLID 65 element was used. The parameters having a paramount influence on fire resistance are support conditions, dimensions of members, action of members under load, cover to the reinforcement, type of aggregates etc. Effect of the parameters on fire resistance is found out. Techniques to develop fire resistance are then found out. Moreover, it is found out that by changing some parameters, better fire resistant design for structural elements can be achieved. Key Words: Thermal analysis, Thermo-structural analysis, SOLID 70, SOLID 65, LINK 33
Fire resistant concrete design 2
To minimize loss of life and property, structure of building should be established to allow time for evacuation from place location of the fire and to provide the structure and prevent the collapse of buildings having high fire risk rate. Considered most of buildings made by concrete in our country, integrity of concrete must be provided during the time period escape from fire. Particularly, buildings and fire compartments having high fire risk, must be designed to provide high strength and to minimize the loss of goods. Forming fireproof compartments may be accomplished by, treatment of the weak points and determinating temperature changes on the concrete components. Fire resistance of concrete increased by adding puzzolan additives. In the study, behavior of concrete exanimate at different temperatures and optimal concrete composition evaluated. Use of such concrete built with laboratories and flammable and chemical gases or liquids stores, will reduce the life losses significantly. Moreover, studies in the light of the findings obtained that, usage of concrete in those locations has a great significance, in the creation of a secure environment during evacuation and quenched period.
Keywords: Concrete, Fire Resistant, Puzzolan Additives,
High Performance concrete, Durability
fire resistive construction
This document discusses fire resistant construction materials and methods. It begins by defining fire resistant construction as using non-combustible materials with fire resistance ratings equal or greater than required by law.
Durability of concrete
This document discusses quality control and durability factors in concrete. It defines quality as conformance to requirements and durability as a concrete's ability to resist deterioration when exposed to the environment. Several factors influence concrete durability, including the materials used, water-cement ratio, compaction, curing and the physical and chemical conditions of the service environment. Common durability issues include corrosion, cracking from sulfate attack or alkali-silica reaction, and carbonation reducing alkalinity. Proper quality control of materials and construction processes is needed to produce durable concrete.
Timber ppt-1
This document discusses various topics related to timber, including:
- Definitions of timber, wood, and lumber
- Classification of trees as endogenous or exogenous
- Seasoning of timber through natural, kiln, chemical, or electric methods
- Common uses of timber in construction and manufacturing
- Defects in timber like heart shakes, star shakes, and knots
- Deterioration of timber through decay, insects, and fire
- Methods of preserving timber through oily and water-soluble preservatives applied by painting, dipping, or pressure processes
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Study on the fire resistant design of reinforced concrete flexural members
Study on the fire resistant design of reinforced concrete flexural members
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This module enables the students to study concrete properties in general through experiments done by the students.
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Concrete is a composite material composed of water, coarse granular material (the fine and coarse aggregate or filler) embedded in a hard matrix of material (the cement or binder) that fills the space among the aggregate particles and glues them together.
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The document summarizes several activities and experiments conducted as part of an Al-Bairaq program to learn about concrete. The activities included identifying common objects made from concrete, comparing how different additives like salt and sugar affect curing time, measuring the densities of concrete with different aggregate mixtures, and testing the strength and properties of resulting concrete blocks. As a final project, the students designed reinforced concrete and developed a prototype for electrically conductive concrete. The experiments demonstrated how concrete's properties are affected by its formulation and additives.Concrete, Protect The Concrete From Corrosion, IDM8
Concrete, Protect The Concrete From Corrosion, IDM8Qatar University- Young Scientists Center (Al-Bairaq)
The document discusses a student group project to develop a product called "Protect The Concrete From Corrosion". The group conducted various activities to learn about concrete, including identifying objects made of concrete, comparing different cement types, and testing properties of concrete formulations. For their final project, the group proposed a product to stop corrosion in concrete from salts and water, which could help Qatar by protecting infrastructure and reducing maintenance needs. The group hypothesized that the scientific product would make concrete stronger and more resistant to corrosion. They outlined methods and next steps to test the product's effectiveness.Concrete, Reinforcing Concrete with Glass Waste
Concrete, Reinforcing Concrete with Glass WasteQatar University- Young Scientists Center (Al-Bairaq)
Done by Scientists group from Mohammad Bin Albdulaziz Al-Mana school. Under supervision of Al-Bairaq
Concrete, Life without Negative Charge, IDM12
1) The document describes several activities conducted by students to learn about concrete, including hunting for concrete objects, comparing cement types, testing concrete mixtures, and designing a reinforced concrete project.
2) The students explored how concrete is formed from a mixture of cement, water, and aggregates. They tested how additives like salt and sugar affect cement hardening.
3) For their final project, the students proposed a concrete containing magnets that could attract negative charges and free radicals, aiming to reduce their harmful effects on health in buildings like hospitals.
Concrete, Biodegradable Concrete, IDM12
· Done by Geniuses group at Albayan Independent school for Girls. Under supervision from AL-Bairaq
Concrete, Avoiding a Major Adverse event, IDM 7
Concrete, Avoiding a Major Adverse event, IDM 7Qatar University- Young Scientists Center (Al-Bairaq)
Done by group: Alwakra_Chemistry Stars
School Name: Al Wakrah School for girls
Concrete module: This module enables the students to study concrete properties in general through experiments done by the students.Finally they use what they learn to design their own product.
As the population is growing in Qatar, a lot of buildings are rising. Also, Qatari Engineers are performing high quality of life, accordingly the students thought of an idea that can help and develop the future of their country.
The purpose of their idea is to enhance the concrete used in buildings by adding silica fume to avoid the consequences of future adverse events like earthquakes.Concrete, Designing Rubber Concrete Formulation IDM7
Concrete, Designing Rubber Concrete Formulation IDM7Qatar University- Young Scientists Center (Al-Bairaq)
Done by: TBZ_Rocks7 Group
School Name: Tariq Bin Ziyad Independent Secondary School for Boys
Concrete: This module enables the students to study concrete properties in general through experiments done by the students.
Aim of the research is to provide an idea of the possible help in the construction of buildings is different from the traditional system. Our idea of the project is to add a type of polymer to the concrete, and this type is liquid rubber.Concrete, Concrete Boat SIS5
In concrete module, the basic properties of concrete are investigated. The design project is to design and make a boat made of concrete and its various component. It should have the ability to float and carry maximum load.
The project is done by group Scientists from Nasser Al-Attiya Secondary School for Boys
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Concrete, Professors Group ,Adding Plastic waste to Concrete ,IDM8
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Concrete, Reinforcing Concrete with Waste Car Tires Rubber
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Concrete, Bituminous mixtures made with recycled concrete aggregates IDM8
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Concrete, Protect The Concrete From Corrosion, IDM8
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Concrete, Designing Rubber Concrete Formulation IDM7
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Biodegradable Materials, Biodegradable Gloves, IDM15
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The document discusses polymers and several activities conducted with polymers. It then describes a design project to create a humidity sensor using a polymer film. It also outlines a project to develop self-healing electrical cables using a self-healing polymer. The polymer would be synthesized in the cable's outer layer to prevent cutting and maintain the cable's function for longer by protecting against electricity leakage. Testing is still needed to confirm the durability of this application, which could also be extended to other electrical equipment. In conclusion, polymers have various properties and uses that can help solve problems when applied in daily life.
polymers,anti-microbial medical gown,IDM15
1) The document outlines activities done by students exploring polymers, including changing polymer pellets, identifying polymers in products, and experiments on viscosity and strength of polymer films.
2) The students designed a humidity sensor using a polymer film that changes color with humidity.
3) They proposed developing an anti-microbial medical gown by adding an anti-microbial polymer to areas with most patient contact, to reduce microbial transmission and contamination. They hypothesized this polymer would improve gown properties and resistance to infection.
polymers,PVDF streets,IDM15
This document is an outline for an AL-Bairaq module on polymers and their properties. It includes an introduction to polymers, descriptions of 4 hands-on activities exploring polymer properties, and a design project to create a humidity sensor using polymer films. It also includes a section on a proposed project to install piezoelectric PVDF polymer membranes in streets to generate electricity from passing vehicles. The document concludes with recommendations for further research on improving the street paving project and implementing it in Qatar.
polymers,hydrophobic packaging for medicines,IDM15
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(1) The document discusses polymers and their properties. It describes activities where students explored changing polymer pellets, identifying polymer products, comparing liquid viscosity, and testing polymer film strength.
(2) It then details a student design project to create a humidity sensor using a polymer film that changes color with humidity levels.
(3) The document proposes using hydrophobic polymers for medicine packaging to extend drug shelf lives by preventing moisture absorption, a common cause of products failing specifications. It suggests further research is needed to develop this packaging approach.polymers,healing band aid,IDM15
The document outlines a student's project for an Al-Bairaq program where they studied polymers, conducted experiments on polymer properties, and designed a humidity sensor using a polymer film. Their final project was designing a healing bandage using natural polymers like honey and cyperus, with the hypothesis that these would aid the healing process. The student concludes they gained presentation, research, and problem-solving skills from their experience in the Al-Bairaq program.
polymers,degradable fishing net,IDM15
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polymers,anti-microbial toothbrush,IDM15
The document summarizes several activities completed by students as part of an AL-Bairaq program exploring polymers. The activities examined properties of polymers like changing polymer pellets, identifying polymer products, and testing viscosity and strength of polymer films. The students also designed a humidity sensor using polymer film. Their final design project was an anti-microbial toothbrush using the polymer polyethylene glycol in the bristles to inhibit bacterial growth and reduce bacteria on toothbrushes. The students recommend further research into other anti-microbial polymers and improving their toothbrush design idea. Overall, the program helped students learn about various polymer applications and properties.
polymers,P.G.K.B,IDM15
This document summarizes activities and a design project exploring polymers. It discusses:
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- A design project to create a humidity sensor using a polymer film that changes color with humidity.
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Smart Sensors, Smart Attendance System IDM15
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Composites, Shockproof Tablet Composite Case from Recycled Rubber, IDM14
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1) The document presents a student project exploring composite materials and designing a shockproof tablet case from recycled rubber.
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3) The proposed product is a shockproof and durable tablet case made from recycled vehicle tire rubber combined with carbon fibers, solving the dual problems of electronic device protection and waste recycling.Composites, Dirt-Free Wallpaper Using Recycled Materials, IDM14
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1) The document describes a student project exploring composite materials. It defines composites as materials made of two or more components that have different properties and produce an overall material with different properties than the individual parts.
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Concrete, Fire-Resistant Concrete IDM10
- 1. Zobaida scientists 10 Shaikha Nasser AlthaniLujeen Ali Darwish Hessa Ali AlderhimSana Maen AlEter
- 2. Outline Introduction: what is concrete Activity1: Hunting for object of concrete Activity2: comparing different kinds of cement Activity3: comparing different concrete formulations . Activity4: testing properties of concrete (breaking concrete) Product idea:
- 3. What is concrete ? Concrete is the most common infrastructure material used today.
- 4. Where do we use cement? And why? Building houses Roads Airport
- 5. Activity1:Hunting for objects made of concrete. Concrete is the most commonly used infrastructure material Reasons: - Strong - Cheap - Formable - Durable
- 6. Activity2: comparing different kinds of cement We took three samples in each one we added different things In the first sample we added water with cement Second sample we added cement with sugar and water The third sample we added cement, water and salt.
- 7. Activity 3 comparing different concrete formulations. We made three samples with different formulations and amounts of sand, gravels, water and cement.
- 8. Activity 4: Reinforcing concrete Gravels Sand Cement water C 0 240 60 45 E 120 0 60 33
- 9. Testing properties of concrete (breaking concrete)
- 10. The problem
- 11. Our Product Idea When fire occurs toxic gas start releasing. Most of the time this can cause suffocation and death. Harmful air absorption and not spread the fire quickly we decided to make cement Extinguish the fire.
- 12. Result It is predicted that our product can be useful from safety perspective. It will help to reduce the chance of fire spreading.
- 13. Acknowledgement: Thanks to UNESCO, Qatar National Commission, Ras Gas, Maersk Oil, Shell, and Center for Advanced Materials, Qatar University.