Cracks in basement floors can make any homeowner nervous. You might worry about structural issues, water seepage, or foundation issues. While some cracks in the concrete slab are harmless ...

The lab also features about 2000 tie down holes on a 2 x 2 foot (0.61 x 0.61 m) grid. The floor was designed as a one-way slab supported by two north-south basement walls, three intermediate bearing ...