According to the California Building Code, what is the minimum anchor bolt diameter required for sill plate attachment in conventional wood frame construction in Seismic Design Categories D, E, and F?
Correct Answer
C) 5/8 inch
CBC Section 2308.6 requires minimum 5/8-inch diameter anchor bolts for sill plate attachment in Seismic Design Categories D, E, and F. This increased requirement from the standard 1/2-inch bolts reflects California's higher seismic demands and ensures adequate connection between the foundation and wood frame structure.
Why This Is the Correct Answer
CBC Section 2308.6 requires minimum 5/8-inch diameter anchor bolts for sill plate attachment in Seismic Design Categories D, E, and F. This increased requirement from the standard 1/2-inch bolts reflects California's higher seismic demands and ensures adequate connection between the foundation and wood frame structure.
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What is the minimum embedment depth for anchor bolts in concrete foundations for wood sill plates in California seismic applications?
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