Have any of you ever used shrinkage conpensating concrete? What are some of the advantages and disadvantage of using SCC? I would like to ask the same questions for post-tensioning slab on grade.
As far as joint spacing in slab on grade, it would depends on the shrinkage of the concrete, but...
As many of you may know, a continous angle is used to transfer the chord force at the roof diaphragm into a wall and it is called out to be anchored to the wall at some distance o.c., for this question it is a pre-cast concrete wall. More often than not, the wall is not perfectly straight...
AdamP,
I've faxed you the references above. Perhaps you can go to www.buildabout.com and answer some questions on that forum. Keep me posted on your progress.
AdamP,
I too had difficulty trying to find some design guides for loose single angle. I think this is the best that you could do or at least all that I could come up with, either way it is a pain:
You may have to use these references in combination.
Safe Load for Laterally Unsupported Angles...
You can go here to down load H series joists by Bethlehem Steel. Though the exact joist manufacturer you are looking for may not qualify. You might want to find out if the manufacturer you are looking for follows SJI standards. The site to down load H series...
I think the best program that will help you visualize the retaining wall loading condition would be Enercalc. You can down load the demo version. www.enercalc.com