Sustainable Development through use of Flyash

摘要

India is a vast country with huge population. The demand is not only on industrialization and housing but also equally on infrastructure where interconnecting the whole nation through road network is one of the important ongoing activities. If the interlinking of rivers also comes true this is another dimension of development. All these projects bring in lot of pressure on the construction material, with major thrust on bricks and concrete, because of their voluminous consumption. India is bestowed to generate more than 150 million tonnes of industrial byproducts annually which can best be utilized in bricks, cement and concrete. Flyash is the major byproduct and is available in almost all parts of the nation. Hence solving the flyash problem is tantamount to solving the major share of the issue. In this background authors discuss the use of flyash in bricks and concrete with special emphasis on FaL-G technology. The indicators for sustainable development are also discussed thereupon. In view of its voluminous availability bituminous coal is used in about 95% of coal-based thermal power generation, thus generating major lot of flyash as ASTM Class F. The technical discussions in this paper thus pertain to this class of flyash.