to get information about the topic waste glass material in concrete related topic refer the page link bellow

http://seminarsprojects.net/Thread-waste-recycled-material-in-concrete-technology ....etc

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Water-cement ratio is detrimental for concrete. We always try to restrict the water-cement ratio in order to achieve higher strength. The chemical reaction of cement with water requires a water-cement ratio of less than 0.38, whereas the adopted water-cement ratio is much more than that mainly because of the requirement of workability. Workability is also important for concrete, so it can be placed in the formwork easily without honeycombing. ....etc

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Processing of Powder Metals,
Ceramics, Glass & Superconductors

abstraction
Commonly used metals in P/M
Iron,Tin, Copper, Aluminum, and Nickel

It is a completive process with forging and machining

Parts can weigh as much as little as 2.5Kg or up to 50Kg ....etc

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to get information about the topic powder metallurgy related topic refer the page link bellow

http://seminarsprojects.net/Thread-powder-metallurgy ....etc

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I want new information about the RPC. Hope you help me for this. ....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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To get full information or details of disadvantages of glass powder concrete please have a look on the pages

http://seminarsprojects.net/Thread-reactive-powder-concrete-full-report?pid=25524&mode=threaded

http://seminarsprojects.net/Thread-reactive-powder-concrete-full-report?pid=39005&mode=threaded

http://seminarsprojects.net/Thread-reactive-powder-concrete--7144?pid=10041&mode=threaded

http://seminarsprojects.net/Thread-reactive-powder-concrete

if you again feel trouble on disadvantages of glass powder concrete please reply in that page ....etc

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IMPROVEMENT OF CONCRETE DURABILITY BY COMPLEX MINERAL SUPER-FINE POWDER



Introduction
Coal gangue is a rock included in the coal bed and a waste discharged during coal
mining and transportation as well as the most industrial waste discharged in China. It
is estimated , that the amount of gangue calculated as 15% of the coal output,
there would be 100 million ton increment annually. Most of the coal gangue is a clay
rock; its main mineral composition consists of clay min ....etc

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reactive powder concrete mix designreactive
Reactive Powder Concrete is a developing composite material that will allow the concrete industry to optimize material use, generate economic benefits and build structures that are strong, durable and sensitive to environment.RPC is an ultra high strength and high ductility cementitious composite with enhanced physical and mechanical properties. It was first developed in the early 1990?s by Bouygue?s laboratory in France. It consists of a special concrete where its microstructure is optimized by pre ....etc

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