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The sub floor plays a big role in this case. All uniform loads on sub floor shall be transferred safely to joists. If the sub floor can only span 16” for the code specified loads, I doubt the system would work same as joist spaced 12” o/c, because the double 2x10 joist is not able to take more...

dlew, thanks for the reply. Yes, the wall is 59mm thick. I am also not very sure how to engineer the 59mm thick wall (2-5/16" thick). But it seems to me it is not ruled out to design 59mm walls using ACI10.2, 10.3 10.10. My point is 59mm concrete wall (3000mm high) still has some capacity...

I have designed a load bearing concrete wall for one-storey building, Wall thickness t=59mm, height h=3000 mm and one single layer #4 bars @ 250mm vertically reinforced at center of the wall. The h/t =50.8 and kL/r =135.6 of the wall shows a very slender wall. I figured out the P-M diagram for...

eureka, thank you very much. I think The Saffir/Simpson Hurricane Scale using 1-minute average wind speed, but IBC 2000 using 3-second wind speed. Do you know how to convert them? Thank you again.

Is here anybody to tell me design wind speed using IBC 2000 for category 4 hurricane.Thank you.

Go to "WWW.rsgsoftware.com" and download program "CFSCT". It can calculate the warping constant for you. Good luck.

Hi Everyone: I would like to know which minimum number of 0.2-sec. spectral response acceleration in IBC is equivalent to the seismic zone 4 of UBC. Thanks