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27 May 2021

The way forward for construction industry

The Department of Civil Engineering, Faculty of Engineering & Technology, organized a Webinar on Green Concrete in association with JK Cement on 27 May 2021.

The concrete is the highest used man made material with more than 10 billion cubic tones consumption annually. But the conventional concrete which has its core ingredients as cement, sand, course aggregate and water causes a significant environment pollution in its making. The cement manufacturing required a lots of energy and emit very high quantity of carbon dioxide resulting third highest Carbon Dioxide emitter and manufacturing/mining of other ingredients like sand, aggregate also cause significant environment pollution. Therefore the conventional concrete making is becoming ecologically unsustainable and it is the need of the hour that we start moving toward the use of Green Concrete.

In simplest term green concrete is one which consume less and produce more or better performance.  

Mr. R.K. Jha from JK Cement delivered very informative talk on green concrete, which include its manufacturing, reusability, availability and performance. It is the material that exhibits better functional performance and capabilities than ordinary concrete. The green concrete is considered a maintainable construction material as it consumes less natural resources and less energy and emits a smaller amount carbon dioxide. It also reduces the use of water by almost 20 %. The market for this product is seen emerging in the developing countries.

One of the main plus points of using green concrete is it reduces industry’s CO2-emission by 30 %.  Green concrete requires less maintenance and repairs.  But some of its limitations are it uses stainless steel which leads to cost of reinforcement increases. Also the split tension of

He also talk about the acceptability of green concrete by the construction industry and how many developed country are using as high as more than 70% in their construction.