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@GeoPaveTraffic on a sort of related note. Based on your experience, is there a conservative rational method for determining the uplift skin friction value for concrete cast-in-place piers without having to perform a soil test, if the soil type is known? And if so, how many feet of the top of...

I was wondering if there were any guides or examples out there that explain how the IRC prescriptive method for wall bracing against wind load is SUPPOSED to me implimented. Thanks for any info.

Try researching the web for information on "Westergaard" equations. I seem to recall that he came up with equations for the use of plain concrete for slab on grade.

StephenA - The live loading is H20-44 AASHTO loading. The rise on this arch is about 24" with a span of 20'. Is there a "rule of thumb" on when one should consider large horizontal forces depending on the rise to span ratio? I don't anticipate much shrinkage since the span is at about 20' and...

Does anyone have any recommendations for a sliding support. Since all the concrete will be cast in place, I can't really put a roller support beneath the support.

When you say tighter radius, are saying shallower arch or higher arch?

I am designing a reinforced concrete arch spanning 20 feet over a small creek. The creek is not 20 feet wide but the owner wants to be conservative. I was wondering whether it is correct to assume that since I am designing for aashto loading of H20-44 shears and moments, do I need to worry...

Hey guys, I know I have read somewhere something that describes what to do if the roof pitch is greater than 12:12. I recall something about considering it to be a full story rather than a roof. Can someone point me to where this information is, please?! Thanks in advance.

Can anyone tell me if the 490plf maximum allowable shear load is the absolute maximum allowed? In other words, is the 490plf limit applied to even a double sheathed shear wall segment?

In the 2003 IBC %full height sheathing starts at 10% and not 0%. A revision bar is beside this area indicating change. Hope this helped.

Can anyone tell me what the going rate is in TX for the design of a commercial wood structure with approx. 13000 S.F.? Will be using prefab roof truss system.

Thanks for all your input guys!

Hey guys, are there any good metal building design handbooks that you could recommend. Our company might get a metal building design, like a shopping center strip, and I want to get a jump on things. Any info is greatly appreciated. If I could get my hands on a go by, that would be great too...