Q: The corner of one of the concrete steps leading to the front entrance of my building has broken off. It’s the top step of four. Is it possible to repair it without replacing the whole staircase? A: ...

On a scorching July morning at a testing facility outside of Paris, a cadre of scientists, engineers, and architects wearing hard hats and safety goggles watched through protective glass as a machine ...

A new type of staircase has made its appearance on the home improvement scene lately -- precast concrete steps. These factory-molded stairs have a lot to offer in terms of ease of installation, ...

The hardest thing about concrete just might be the problem of how to make the ubiquitous building material in an environmentally friendly manner. Recent laboratory results at Princeton University ...