When compressive strength tests of laboratory-cured cylinders fail to meet the specified acceptance criteria, core tests are commonly used to verify the strength and to obtain acceptance of the ...

Wood has been the concrete contractor’s formwork of choice for years. It’s relatively inexpensive and easy to understand, light weight, can be easily cut to size, and easy to replace and dismantle.

When Plaza Construction first introduced the concept of "core first" in managing the construction of a major office building, the procedure of pouring concrete prior to erecting a steel frame had ...