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believing right now feb , / haseeb jamal - canal comes alive with lighted boat parade. civil concrete technology lectures notes concrete definition in its simplest form, concrete is a mixture of paste and aggregates (rocks). the paste, composed essentially of portland cement and water, coats the surface
material, concrete, can build skyscrapers, bridges, sidewalks and superhighways, houses and dams. concrete introduction concrete is a composite with properties that change with time. during service, the quality of concrete provided by initial curing can be improved by subsequent wetting as in the cases...
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