Concrete slabs typically experience shrinkage of 1/8 inch for slab sections 20 feet long. If joint spacing is 10 feet, then each joint would open 1/16 inch wide.
Bones of a 13,500-year-old woolly mammoth were uncovered during a dig 36 years after they were discovered under the garage of a farmstead in Burke County. State Geologist Edward Murphy regaled ...
keeping gases such as methane and radon gas from collecting inside building envelopes is also a prime consideration. Vapor retarders placed directly below concrete floor slabs can also help reduce ...