Seismic Performance Evaluation of Novel Cold-Formed Steel Framed Shear Walls Sheathed with Corrugated Steel Sheets Page: 5
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recommended by the International Code Council,. The test results indicated that the CFS framed
shear walls using 27 mil corrugated steel sheathings yielded higher strength and greater initial
stiffness compared with the CFS walls using conventional sheathing materials including flat steel
sheets, plywood panels and OSB boards. However, the tested specimens did not yield desirable
ductility compared to the shear wall with OSB and flat sheet sheathing.
Guowang Yu (2013) conducted his research at University of North Texas aiming to
improve the ductility of CFS shear walls with corrugated steel sheathings. Guowang Yu and Dr.
Cheng Yu proposed a method of creating openings (perforation) on the corrugated sheathing to
improve the wall's ductility and to control the failure mechanism and failure locations on the shear
wall. A total of 9 types of openings and patterns were tested in Yu's research including: different
diameter circular holes, different lengths of horizontal slits and vertical slits. Based on the results,
Yu recommended further research on shear walls with 24x2 in. vertical slits and 24x3 in. vertical
slits on corrugated sheathings.
Follow up Yu's research, Mahsa Mahdavian (2016) conducted 36 shear wall tests to further
explore the structural performance of shear walls with different configurations in University of
North Texas. She found that 12x2 in. vertical lists on corrugated steel sheets yielded the best
performance. She also suggested to use 68 mil framing member and 27 mil corrugated steel sheets
instead of 54 mil framing member and 18 mil corrugated steel sheets because the thinner members
caused weak sheathing connections. In Mahdavian's (2016) research, she introduced three new
shear wall configurations that the corrugated steel sheets were installed inside the frame (sheet-in
shear wall), instead of outside frame (sheet-out shear wall). The disadvantages of sheet-out shear
wall was that it would cause trouble when installing the finish materials because this type of shear
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Lan, Xing. Seismic Performance Evaluation of Novel Cold-Formed Steel Framed Shear Walls Sheathed with Corrugated Steel Sheets, thesis, August 2017; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc1011859/m1/13/: accessed May 25, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; .