Construction Industry News
NTPC Simhadri will develop a factory producing nano concrete aggregate, at an estimated cost of Rs 500 million.
NTPC general manager of ash management Sanjeev Kumar Saxena said, “Disaster recovery planning has been prepared and construction will begin at the end of the first quarter of 2023. We will develop ash-based construction products including fly ash bricks, lightweight aggregate, coarse aggregate of geopolymer and interlocking pavers."
“With dual objectives of aiding sustainable development and prudent use of fly ash, NTPC is exploring all possible avenues for using fly ash, which can be done by replacing cement, road construction, low-lying areas and mine fill. As the focus is on the topsoil protection can be achieved by using fly ash as an alternative Nearly 300 million tons of bricks and 300 million tons of cement will be used About 100 million tons of sand comes from rivers and topsoil, which should be used for farming, not making bricks ,' he said.
“To convert fly ash into aggregate sand, up to 35% of OPC (Original Portland cement) can be replaced with fly ash. In addition to increasing strength, durability and permeability in the long run, this can also reduce cost sustainability. Fly ash is also useful in landfill of developing wastelands and low-lying areas in agriculture, horticulture and forestry. It is also an ideal material to fill underground mines, and to reclaim abandoned and open mines," he stated.
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