Understanding Concrete Compressive Strength (What …
https://www.concretenetwork.com/concrete/compressive-strength-psi.html
WEBMay 26, 2023 · For example, a traditional 3000 psi mix contains 5 sacks of cement per cubic yard of concrete. To achieve 4000 psi, you’ll need 6 sacks of cement (which is why higher psi mixes are often more expensive). …
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