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steel composite design

steel composite design

steel composite design

(OP)
I've heard that shear studs should not be used on steel beams with webs that are less then 1/4" thick. Is there a reason for this that I am missing? When I run software on these designs, overstresses do not show up.

RE: steel composite design

Do you mean a steel beam with flange less than 1/4". If so, it probably comes from the AISC requirement that unless the studs are directly located over the web, their diameter shall not exceed 2.5 times the flange thickness. They may exist, but most studs I've seen are 5/8" diameter or better requiring a minimum 1/4" flange unless placed directly over the web.

RE: steel composite design

Or 5/16" min. thickness for 3/4" dia studs.

Be careful! We have had the experience on one project where the erector was not directly over the web, he burned thru the flange (on a beam whose flange was less than that requirement).

RE: steel composite design

I agree with shepherd and jike.  I would like to add that thin flanges are subject to warping if the studs are not directly over the beam web.

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