1. Introduction. Concrete is a basic building material that will continue to be in demand far into the future. A world without concrete, and its dominant precursor, Ordinary Portland Cement (OPC), is hard to imagine.
Concrete – Wikipedia
Portland cement is the most common type of cement in general usage. It is a basic ingredient of concrete, mortar and many plasters.British masonry worker Joseph Aspdin patented Portland cement in 1824.
Foamed concrete and foamed cement made with Allied’s foam have very fine pore structure, unlike that made with conventional proteinaceous and surfactant foams.
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Working his way through college, John Menard, Jr. began working on post frame buildings to help pay his bills. Within a year, he found that he
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