Freshly placed concrete in wall and column forms behaves like a liquid producing hydrostatic pressure that acts laterally on the vertical faces of the formwork. However, due to concrete stiffening ...

Concrete is everywhere. As the world's most widely used construction material, it forms bridges, buildings, roads and other ...

The microbes break down urea and form ammonium and ... bacteria could be used to cement sand in 3D-printed cylindrical molds. The researchers prepared separate columns with play sand, like that ...