Fly ash, Limestone & Clay replacement for Cement:IIT Madras

23Mar,2020

IIT Madras have tested an eco-friendly combination of fly ash, limestone and clay for use as concrete said  the Researchers at Indian Institute of Technology .

The researchers focused on “understanding the micro-structural development of concrete using different components” and how the structure affects the performance of concrete.

A statement was given by IIT Madras “Concrete is the most widely used construction material in the world,”to that it adds that every year around 7 cubic kilometers of concrete is manufactured

Difference between Conventional concrete and Modern Concrete:

  •  Conventional concrete is made of cement, fine aggregate particles such as sand and coarse aggregate particles from rock, mixed with water this mixture hardens with time because of the reaction of cement with water.
  • Modern concrete, however, includes chemical and mineral additives that impart unique properties. In these days it has been common to find the cement to be a mixture of two or three different ingredients.

The current research reveals the complex nature of interactions of this three-component system involving ordinary cement, limestone powder and calcined clay, called LC3, to understand its effect on durability

The researchers have studied the role of physical structure alterations on three binder types cement, fly ash-based binder and calcined clay-limestone binder (LC3). The researchers adopted a fundamental approach based on cement chemistry and identified the chemical composition of the blended cement system as a critical factor in the development of nanoscale pore structure, which is the key to concrete durability.

Read:Researchers in IIT Delhi have Developed Low Cost Test Kits for the COVID 19  

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         Researchers in IIT Delhi have Developed Low Cost Test Kits for the COVID 19

Swiss Agency for Development and Cooperation and the Department of Science and Technology, Government of Ind has funded the research

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