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Use of Fly ash while in Construction

Thu Dec 16, 2010Total posts : 4
naresh
naresh
Join date: Jun 2010
Topic: Use of Fly ash while in Construction

Pls let me know the details involoved if I want to use Fly ash in construction.

 

 

Fri Dec 17, 2010Post  #1
S L Gupta (Civil Engg)
S L Gupta (Civil Engg)

Join date: Mar 2008

Dear Naresh

Use of Fly Ash in the concrete:-

                          Fly ash with ordinary Portland cement (OPC) when used in concrete mix can save the quantity of cement.  Fly ash can be used in concrete in two ways, one is direct use and other is in the factory.  In the direct use the fly ash is used as a separate ingredient at the concrete batch plant or, can be blended with the OPC to produce blended cement which is called Portland-Pozzolana cement (PPC) in India. Fly ash blended cements are produced by several cement companies in India. In general, the use of fly ash in the concrete industry with OPC cement is normally ranges from 15 to 25%. If concrete is properly designed, the use of fly ash in concrete will improve some aspects of the performance of the concrete. The use of fly ash can increase long-term strength of the concrete and enhance the durability. The use of fly ash also helps to creates significant benefits to the environment. The use of fly ash in concrete reduces green house gas emission without negative impacts on the economy.

 
Mon May 23, 2016Post  #2
Krenap
Krenap

Join date: May 2016
Post subject: Use of Fly ash while in Construction

With the presence of large number of coal-based power projects in India, enormous quantities of fly ash is being produced, thus creating a large scope for fly ash based construction materials. National Thermal Power Corporation Limited (NTPC) is making efforts to popularize the use of fly ash based materials in construction sector.

The reason, recycled fly ash goes into making concrete is, it delivers measurable economic and structural benefits. Its worldwide availability, strength, durability and relatively economical cost create a constant demand for fly ash in the construction industry.
 
Wed May 25, 2016Post  #3
S L Gupta (Civil Engg)
S L Gupta (Civil Engg)

Join date: Mar 2008
Dear Kirnap
        Thanks for information.
 
Thu May 26, 2016Post  #4
Nitin Khairnar
Nitin Khairnar

Join date: Apr 2016
Flyash is a byproduct/waste product of many industrial units eg: Coal Thermal Power plants. it is used a raw material in manufacturing AAC block which are used by many like this to make prefabricated houses
 

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