sir looking for a presentation on light weight concret pls send me i need it for the presentstion ....etc

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Admixtures
A material other than water, aggregates, or cement that is used as an ingredient of concrete or mortar to control setting and early hardening, workability, or to provide additional cementing properties.

Why is admixture used?

Over decades, attempts have been made to obtain concrete with certain desired characteristics such as high compressive strength, high workability, and high performance and durability parameters to meet the requirement of complexity of modern structures.

The properties commonly modified are the heat of hydrati ....etc

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to get information about the topic comparison between normal concrete high performance concrete full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-high-performance-concrete--16244

http://seminarsprojects.net/Thread-high-performance-concrete-hpc-%E2%80%93-a-solution-to-various-problems?pid=26228&mode=threaded

http://seminarsprojects.net/Thread-analysis-of-durability-of-high-performance-concrete-using-artificial-neural-networksa

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What is Geopolymer Concrete:

Geopolymer was the name given by Daidovits in 1978 to materials which are characterized by chains or networks or inorganic molecules. Geopolymer cement concrete is made from utilization of waste materials such as fly ash and ground granulated blast furnace slag(GGBS). Fly ash is the waste product generated from thermal power plant and ground granulate blast furnace slag is generated as waste material in steel plant.

Both fly ash and GGBS are processed by appropriate technology and used for concrete works in th ....etc

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need the full seminar report about polymer modified steel fiber reinforced concrete ....etc

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Conventional concretes are almost un-bendable and have a strain capacity of only 0.1 percent making them highly brittle and rigid. This lack of bendability is a major cause of failure under strain and has been a pushing factor in the development of an elegant material namely, Engineered Cementitious Composites abbreviated as ECC. This material is capable to exhibit considerably enhanced flexibility. An ECC has a strain capacity of more than 3 percent and thus acts more like a ductile metal rather than like a brittle glass. A bendable concrete i ....etc

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Abstract
The possibility of using finely ground waste glass as partial cement replacement in concrete was examined through three sets of tests: the lime-glass tests to assess the pozzolanic activity of ground glass, the compressive strength tests of concrete having 30% cement re-placed by ground glass to monitor the strength development, and the mortar bar tests to study the potential expansion. The results showed that ground glass having a particle size finer than 38 m did exhibit a pozzolanic behavior. A size effect was observed; ....etc

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i want a power point presentation on SELF-HELING BACTERIAl CONCRETE. ....etc

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to get information about the topic waste and recycled material on concrete technology full report ppt and related topic refer the page link bellow
http://seminarprojectsarchive/index.php/thread-25219.html ....etc

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