NDS less than 4d edge distance
NDS less than 4d edge distance
(OP)
I'm looking for guidance on edge distance less than 4d when load is applied perpendicular to the grain of a timber member. All the NDS in C11.5 states is that they don't specifically address this issue.






RE: NDS less than 4d edge distance
If you do, you are stepping outside of the standard of practice for wood design per the building codes which reference the NDS as a standard.
Garth Dreger PE - AZ Phoenix area
As EOR's we should take the responsibility to design our structures to support the components we allow in our design per that industry standards.
RE: NDS less than 4d edge distance
One recent project comes to mind where the shear studs on a steal beam were only 1-1/2" above the steel decking. The engineer took a reduced capacity/stud and continued on. This was in clear violation of the AISC but the EOR bought off on his justification.
RE: NDS less than 4d edge distance
That being said, if you need a number (for forensic engineering or something) the dowel bearing equations can give you something. I'd expect it to overestimate the capacity, but it is a starting point.
RE: NDS less than 4d edge distance
Mike McCann
MMC Engineering
http://mmcengineering.tripod.com
RE: NDS less than 4d edge distance
Thanks for the responses!