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Cementitious composites are the most used man-made materials in the world, with a global annual production quantum of 25 billion tonnes worldwide, contributing approximately 5% to the global greenhouse gas emissions. The manufacturings of concrete composites have released a high volume of carbon dioxide (CO2) gaseous to the environment in the world. Therefore, finding an alternative material to replace the raw material used in concrete composites has become a current agenda. In the initiative to reduce the carbon footprint of cementitious composite production, are growing interests in the large volume reuse of industrial by-products such as Fly Ash (FA), Silica fume (SF), Ground granulated blast-furnace slag (GGBS) in cementitious composites production. Such an approach offers a two-fold solution towards addressing the waste management problem related to those industry by-products. A comprehensive body of knowledge on the mechanical strength and durability performance of cementitious composite products containing a large volume of materials needs to be established.
About the author
Dr. P.S.S. Anjaneya Babu and Dr. Subhashish Dey, Assistant Professor in Civil Engineering Department, SR Gudlavalleru Engineering College, Gudlavalleru, Andhra Pradesh, India.
