Laserfiche WebLink
WoodWorks® Shearwalls 2352.wsw Feb.20,2023 13:29:46 <br /> Flexible Diaphragm Seismic Design <br /> SEISMIC INFORMATION <br /> Level Mass Area Story Shear[Ibs] Diaphragm Force[Ibs] <br /> [Ibs] [sq.ft] E-W N-S E-W: Fpx Design N-S: Fpx Design <br /> 2 9156 281.8 2000 2000 1400 1400 1400 1400 <br /> 1 8488 281.8 931 931 1283 1283 1283 1283 <br /> All 17644 - 2932 2932 - - - - <br /> Legend: <br /> Mass—Sum of all generated and input building masses on level=wx in ASCE 7 equation 12.8-12. <br /> Story Shear—Total unfactored(strength-level)shear force induced at level x,=Fx in ASCE 7 equation 12.8-11. <br /> Diaphragm Force—Minimum ASD-factored force for diaphragm design,used by Shearwalls only for drag strut forces,as per Exception to 12.10.2.1.Fpx is <br /> from Eqns. 12.10-1,-2,and-3.Design=The greater of the story shear and Fpx+transfer forces from discontinuous shearlines,factored by overstrength <br /> (omega)as per 12.10.1.1.Omega=2.5 as per 12.2-1. <br /> Redundancy Factor p(rho): <br /> E-W 1.30, N-S 1.30 <br /> Input by user(overriding calculated value). <br /> Applies to shearwall design,hold-down forces and the drag strut force component based on shearline forces;does not apply to story drift,out-of-plane force, <br /> or the diaphragm force Fpx and the drag strut force component based on it. <br /> Vertical Earthquake Load Ev <br /> Ev=0.2 Sds D;Sds=1.08;Ev=0.216 D unfactored;0.151 D factored;total dead load factor:0.6-0.151 =0.449 tension,1.0+0.151=1.151 compression. <br /> 24 <br /> Page 49 of 63 <br />