• Prof.L.C. Gupta
• Prof. S.S.Thawari
• Prof.P.D.Satyan
• Prof.P.Bhandari

The concrete is made with concrete wastes which are eco-friendly so called as Green concrete. Green concrete is a revolutionary topic in the history of concrete industry. Concrete is an environmental friendly material and the overall impact on the environment per ton of concrete is limited. The paper covers the aspect on how to choose a material for green concrete. It presents the feasibility of the usage of by product materials like fly ash. The use of fly ash in concrete contributes the reduction of greenhouse emissions with negative impacts on the economy. It has been observed that 0.9 tons of CO2 is produced per ton of cement production. Also, the composition of cement is 10% by weight in a cubic yard of concrete. Thus, by the use of green concrete it is possible to reduce the CO2 emission in atmosphere towards eco-friendly construction technique. To avoid the pollution and reuse the material, the present study is carried out. Thus, green concrete is an excellent substituent of cement as it is cheaper, because it uses waste products, saving energy consumption in the production. Over and above all green concrete has greater strength and durability than the normal concrete. There are many choices in regard to selection of materials in any type of constructions. Due to growing interest in sustainable construction, engineers and architects are motivated to choose the materials which are more sustainable. Green concrete capable for sustainable construction is characterized by application of industrial wastes to reduce consumption of natural resources and energy and pollution of the environment. Replacement of materials over nominal concrete is what makes green concrete more environmental friendly concrete. Fly ashes are some of the materials used for making green concrete, a sustainable construction. The challenge of the present century is to make a transition to the new form that can sustain the natural system. This requires a threadbare rethinking on ways and means of providing shelter and infrastructure for the community. Perhaps there is a necessity of making a concerted movement for developing innovative and alternative novel material for construction. Green Concrete is capable for sustainable development is characterized by application of industrial waste such as marble powder, quarry dust, wood ash, paper pulp, etc, to reduce consumption of natural resource and energy and pollution of the environment. Use of such waste material saves 14%-20% amount of cement. The concrete resistance to sulphate attack and alkali aggregate reaction is greatly enhanced. Application of green concrete is an effective way to reduce environment pollution and improve durability of concrete under severe condition. This trend in new cement and techniques will continue in all phases of infrastructure constructability and rehabilitation. The versatility of green concrete and its performance derivatives will satisfy many future needs.

Green Concrete, Eco-Friendly Concrete, Eco-Friendly Construction Material, Efficient Concrete, fly ash.

"GREEN CONCRETE : “ECOFRIENDLY MIX CONCRETE BY FLY ASH”", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 4, page no.77-80, April-2019, Available :http://www.jetir.org/papers/JETIR1904Q15.pdf

"GREEN CONCRETE : “ECOFRIENDLY MIX CONCRETE BY FLY ASH”", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 4, page no. pp77-80, April-2019, Available at : http://www.jetir.org/papers/JETIR1904Q15.pdf