Cold weather is rapidly approaching but, as a contractor, you may have project obligations to fulfill, regardless of the weather. In fact, you may be ordering, placing, and curing concrete in cold ...

Contractors can increase the speed and ease of placing concrete with the latest technologies. But even the most advanced equipment cannot significantly enhance the quality of concrete. To do this, the ...

Answer: Simply put, water plus aggregates (gravel, sand, stone), plus cement (such as Portland cement) start a chain of chemical reactions called hydration, which raises the concrete temperature.

A research team of The Electronics and telecommunications research institute (ETRI) is in the process of developing a technology that can estimate the concrete strength in advance by planting optical ...