Seismic and fire resistant slotted shaft wall stud

Details Seismic and fire resistant slotted shaft wall stud Seismic and fire resistant slotted shaft wall stud

E - Fixed Constructions

04

B

E04B 2/72 (2006.01) E04B 2/74 (2006.01) E04C 3/07 (2006.01) E04F 17/00 (2006.01) E04C 3/04 (2006.01) E04F 13/08 (2006.01)

Patent

CA 2291904

A stud for construction of fire resistant and seismic resistant shaft walls (10), including but not limited to elevator shafts and stairwells. The claimed metal stud is used for constructing shaft wall assemblies which can withstand vertical, and horizontal movements due to seismic forces, wind sway, and inter-story drift resulting from gravity and the rotation of the earth. This stud comprises: an anterior flange (11); posterior flange (14) which is longer than the anterior flange ( 11 ) possessing a plurality of parallel horizontal fastening slots (17) along the length of the posterior flange (14); and a vertical web (18) connecting the anterior flange (11 ) and posterior flange (14) in parallel forming a generally J-shaped channel. The longer posterior flange with fastener slots permits the construction if the shaft wall assembly solely from within the shaft cavity.

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