If you've worked with concrete before, you have probably heard of the 90-minute rule. Here's what it is, where it came from ...

Q: I'm about to have a new concrete driveway installed as well as some sidewalks. I asked the bidding contractors how long I might expect the concrete to last. The range given was from 20 to 30 years.

Infrastructure supports and facilitates our daily lives – think of the roads we drive on, the bridges and tunnels that help transport people and freight, the office buildings where we work and the ...

[Dan] had a bunch of concrete mixing to do. Sure, it was possible to stand there and mix concrete and water in a wheelbarrow for hours and hours but that sounds like a tedious task. Instead, [Dan] ...

Nanotechnology has acquired considerable attention in civil technology. The incorporation of nanomaterials can significantly enhance the structural and mechanical properties of cementitious composites ...