According to California regulations, what is the minimum concrete strength required for foundations in residential construction?
Correct Answer
A) 2,500 psi
CBC Section 1905.3.1 and California Residential Code Section R402.2 specify a minimum concrete compressive strength of 2,500 psi for foundation concrete in residential construction. This strength requirement ensures adequate durability and structural performance for foundations in California's varied soil and seismic conditions.
Why This Is the Correct Answer
CBC Section 1905.3.1 and California Residential Code Section R402.2 specify a minimum concrete compressive strength of 2,500 psi for foundation concrete in residential construction. This strength requirement ensures adequate durability and structural performance for foundations in California's varied soil and seismic conditions.
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