Abstract
The average cost is increasing for disposing and managing industrial wastes in the world. The utilization/reuse of industrial wastes in construction is vital in that context to reduce the cost of both industrial operations and construction contractors This chapter is a continuation of Chapter 27, which reviews the utilization of the three general categories of industrial wastes/byproducts: coal-burning ash (fly ash and bottom ash), iron and steel slags and silica fume in construction, and the corresponding economic impact of waste utilization, as well as their future prospects. Coal bottom ash and steel slag are less utilized compared to fly ash, quenched iron slag, and silica fume that are widely accepted as supplementary cementitious materials because of their pozzolanic and/or cementitious properties. The utilization of fly ash, ground granulated blast furnace slag, and silica fume in concrete infrastructure construction improves the mechanical properties and durability of concrete and reduces the life cycle cost.
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