1977 NDS value
1977 NDS value
(OP)
Does anyone have a 1977 NDS handy where they can tell me the design values for southern pine (E, Fb, and Fv)?
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RE: 1977 NDS value
Never, but never question engineer's judgement
RE: 1977 NDS value
If you check the 1977 UBC, Table 25-A-1, you will find your values. As they are member size and type dependent, it is too variable to post here. I will try to scan the table for you and post later.
Mike McCann
MMC Engineering
RE: 1977 NDS value
Mike McCann
MMC Engineering
RE: 1977 NDS value
Hope these help...I could not find my NDS quickly...
Mike McCann
MMC Engineering
RE: 1977 NDS value
Never, but never question engineer's judgement
RE: 1977 NDS value
RE: 1977 NDS value
You could also look in an earlier edition of the AITC TCM.
The difference in design values has more to do with changes in grade rules and the manner in which values are assigned then on whether or not the wood was first growth.
The is a difference in the fact in first growth you would get more material that would grade as dense grain. The design values are higher for dense selected structural than for select structural.
RE: 1977 NDS value
1111 Nineteenth St., NW, #800, Washington, DC 20036,
Attn: American Wood Council."