![]() ![]() This manual was developed to encourage large tonnage fly ash use by presenting examples of actual projects, along with design information and recommended construction procedures needed to develop similar projects. Fly ash, which is the least used, has been demonstrated to be effective for such large tonnage applications as embankments and structural fills. ![]() Although these materials have been demonstrated to be economic substitutes for conventional construction materials in a number of applications, only about 21 percent of the total ash production was used. United States utilities produced approximately 70 million tons of fly ash, bottom ash, and boiler slag in 1977. ![]()
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