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[SEAOC] Re: [SEAOC] Rigid frame with masonry walls[Subject Prev][Subject Next][Thread Prev][Thread Next]
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- Subject: [SEAOC] Re: [SEAOC] Rigid frame with masonry walls
- From: "Martin Johnson" <mwj(--nospam--at)EQE.COM>
- Date: Tue, 13 Aug 1996 13:27:37 PST
- Priority: normal
Well, I've seen it done before, and it seemed to work, if everything was connected. Generally the "end bays" of the frame as well as some longitudinal bays have steel bracing to be compatible with the in-plane stiffness of the masonry. The interior moment frame bays can provide lateral support to the masonry, often via one or more steel WF girts that are turned sideways to attach to the wall . Lateral deflection of the frames and wall should be checked for your wind loads, as well as for lateral crane impact forces. And I assume the masonry will have rebar or joint reinforcing as well as frequent control joints. ---------- MWJohnson mwj(--nospam--at)eqe.com > Question: Is it practical to provide a high bay single story building with > steel rigid framing and masonry walls? > > I've seen buildings detailed this way, but I question whether the masonry can > handle the lateral movements to develop rigid frame action if it is tied to > the steel frame. I am currently working on a building with a 3-ton bridge > crane, to be steel framed with masonry veneer (brick/CMU). While a rigid > steel frame could handle the loads, I am inclined to go with a braced frame to > prevent damage to the masonry. Has anyone encountered a rigid frame building > with masonry walls which has had damage due to the frame movement due to > lateral loads? (This structure is in a low seismic area but potential > hurricane winds.) > > > > ... > > Regards, MWJ Martin Johnson EQE International, Inc. mwj(--nospam--at)eqe.com ...
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