Seismic Performance Evaluation of Novel Cold-Formed Steel Framed Shear Walls Sheathed with Corrugated Steel Sheets Page: 30
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SMS = FaSs = 1.39 X 1.0 = 1.39
S1= FSi = 0.5 x 1.5 = 0.75
S = the mapped MCE spectral response acceleration parameter at short periods.
S1= the mapped MCE spectral response acceleration parameter at a period of 1 s.
Design earthquake spectral response acceleration parameter at short period, SDS, and at 1 s
period, SDI were two thirds are the mapped MCE spectral response acceleration.
DS = -3SMS = 0.927 (g)
SD1 = - SM1 = 0.500(g)
The seismic response coefficient, CS, is determined by
CsI= (= . = 0.143
Next, the seismic base shear, V, is calculated by
V = CSW = 0.143 x 77585 = 11061 (pound)
W = the effective seismic weight
Note: The calculation of the effective seismic weight can refer to the Design Narrative
(Madsen, Nakata, Schafer, 2011).
The lateral seismic force F induced at any level of the building shall be determined by the
section of 12.8.3 of ASCE 7-10. The vertical distribution of seismic forces at each floor level is
given in Table 5.2.
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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/m1/38/: accessed May 27, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; .