Cracks in new concrete?


Well-known member
Jul 28, 2020
Katy, TX
Pool Size
Salt Water Generator
SWG Type
Hayward Aqua Rite Pro (T-15)
In the US, concrete compressive strength is measured in psi. 20 MPa is roughly equivalent to 3,000 psi.

3/8” rebar spaced at 18” seems to be common in my area, which has highly expansive soil. There are regional differences. In some areas it is normal to not have any rebar.
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