The additive conditions of this table help the user/specifier determine where the concrete is to be placed in relationship to the exposure of the two primary conditions, freeze-thaw cycles and ...

The American Society of Concrete Contractors (ASCC) has published its 44th Position Statement, “Measuring Air Content in Non-Air-Entrained Concrete.” ASCC Position Statements clarify the concrete ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Dealing with lightweight concrete also demands special care, according to Dennis Ahal, chair and CEO of Ahal Contracting Company, St. Louis. “Because the porous coarse aggregate that contributes to ...

While every concrete structure demands maintenance every so often, sometimes this go-to construction material abruptly cracks, chips off, becomes discolored, corrodes or even fails to support crucial ...