I'm taking a poll.
And this is not about the cost of rebar versus foundation problems.
Code allows unreinforced concrete footings, and for that matter, even unreinforced basement walls to a certain height.
So how would you deal with questions on rebar tying if in that instance the code does...
I have a question on wood posts
not sure which forum to post on so I will link to the other forum. Thanks
http://www.eng-tips.com/viewthread.cfm?qid=204578&page=1
There is a laminated post company which is manufacturing laminated 2x wood posts for pole barn type structures. We are in a 90 mph wind zone.
They seem to show that they can use a (4)ply 2x6 post for wall heights to 24' with posts at 8' oc. (#1SYP material)
30 psf LL, 7 psf DL, 90 mph...
IBC 2000 1608.7 says to use ASCE 7 section 7.7 for computing drifts on lower roofs.
ASCE 7 section 7.7 sends you to a figure which shows that the leeward snowdrift is a function of the ground snow load and the length of the upper roof. It does NOT include height difference criteria. Therefore...
How would one go about determining Kp for a clayey soil in the lab?
I have old soils lab textbooks (Das) that show how to do a direct shear test on sand? This test (and unit weight)could be done to get the internal angle of friction and from that, you can compute the theoretical Ko, Ka, and...
