huangyhg

hollow core plank to shear wall connection
i am designing a 3 story project that utilizes hollow core plank for the floor and roof system and light gauge steel stud walls for the bearing system. the lateral system is to be comprised of sheet steel shear walls.
i have no issue with the connection of the shear walls floor-to-floor, and the diaphragm to wall connection where the plank is bearing (span perpendicular to) on the walls. however, i am just not sure how to make the connection between all of the elements where the plank is non bearing (span parallel to) on the walls. if my floor was flat, then i would just tie the diaphragm in to the plates with shot pins, however, with estimated cambers up to 1.25" i just am not sure how to make this connection work economically.
i am trying to stay away from proprietary lateral systems here, so my intent is to make this work with standard ssma sections.
can anyone provide advice/details on how they have made this connection in the past and felt comfortable with?
thank you
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light gage studs to support hollow core plank? the holloow core alone is around 60 to 90 psf depending on the size and type, let alone the live load. this does not seem to be a very good idea to me - capacity concerns here depending on the span, let alone the connections you are asking about. the normal support is concrete or masonry. light gage studs...??? i would steer clear of that.
mike mccann
mmc engineering
you will need a light gauge angle each side of the wall, shot fixed to the slab. if it is a shear wall, you should provide vertical slots in the vertical leg, fasteners to allow the floor deflection while taking the horizontal shear.
i do agree with mike that the system is unusual, but as long as the "light gauge" stud walls are not too light, i.e. designed properly, it would work.

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