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Another typical phone call. An owner wants to know how long it will take for the lightweight concrete in the elevated slabs of his new build...

Freezing reduces strength of concrete by 20 to 40 % when fresh concrete is subjected to freezing. Antifreeze admixtures of concrete, its ...

Introduction Placing concrete under water is a specialized subject and should be avoided whenever practical to do so. Where concrete wo...

The concrete industry is the largest user of natural resources in the world and thus has a considerable environmental impact. Each ton of P...

a. General Preplaced-aggregate (PA) concrete is produced by placing coarse aggregate in a form and later injecting a portland-cement-s...

According to the American Concrete Institute cold weather exists when “for more than three consecutive days the average daily temperature is...

Placing concrete under water is a specialized subject and should be avoided whenever practical to do so . Where concrete works have to be co...