1. It all begins at the prestressed concrete plant. 2. This is called a prestressing strand. Made of high strength steel, it will soon be embedded in concrete. 3. The prestressing strand is stretched ...

The world gets a little greyer every year. According to a paper published in 2014 concrete—an aggregate material made by mixing cement, sand and gravel—is the second-most consumed substance in the ...

With enough people walking through retail stores, especially in a grocery setting, the polished concrete floor will eventually need attention – more than the standard maintenance it had been receiving ...