Where do I find decking design values?
Where do I find decking design values?
The National Design Specification® (NDS®) Supplement tables list design values for 2x and larger decking.
The American Lumber Standards Committee (ALSC) provides a Policy for Evaluation of Recommended Spans for Span Rated Decking Products. Here's more information on their website: http://www.alsc.org/untreated_spanrated_mod.htm
You will need to contact the specific grading agencies to obtain their span ratings for various species. A list of those agencies is on the ALSC website as well.
Lateral design values for lumber diaphragms and shear walls are available in Special Design Provisions for Wind and Seismic .
Also see the Span Tables FAQ for span information on decking.
Also see Tongue and Groove Roof Decking - WCD #2.
Also see Plank-And-Beam Framing for Residential Buildings - WCD #4.
The National Design Specification® (NDS®) Supplement tables list design values for 2x and larger decking.
The American Lumber Standards Committee (ALSC) provides a Policy for Evaluation of Recommended Spans for Span Rated Decking Products. Here's more information on their website: http://www.alsc.org/untreated_spanrated_mod.htm
You will need to contact the specific grading agencies to obtain their span ratings for various species. A list of those agencies is on the ALSC website as well.
Lateral design values for lumber diaphragms and shear walls are available in Special Design Provisions for Wind and Seismic .
Also see the Span Tables FAQ for span information on decking.
Also see Tongue and Groove Roof Decking - WCD #2.
Also see Plank-And-Beam Framing for Residential Buildings - WCD #4.
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