Lautenbach and Waalkes also understand that while concrete is foundational to the success of so many structures in society, so too is a Calvin education.

Consider the following scenarios for a project on which the specified compressive strength (fc’) is 3,500 psi at 28 days. These are all examples of incorrect interpretations of the acceptance criteria ...

The concrete industry is in a period of rapid change, and one area of growth has been training and certification. Increasingly, local, state, national, and international building codes, specifications ...