Design Base Shear
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Earthquake
Transcript of Design Base Shear
DESIGN BASE SHEAR
Vmax= Vactual= Vmin= 0.11CaIW
WHERE Ct = 0.0853 FOR STEEL MOMENT RESISTING FRAMET=Ct(hnT=0.0853(9.144T= 0.45FLOOR DESIGNATIONWEIGHT PER FLOOR
2ND7128.782
ROOF3343.332
TOTAL WEIGHT10472.114
2ND FLOORVact= Vact= 1232.01 KNCHECK FOR MAXIMUM DESIGN SHEARVmax= Vmax= 1839.81 KNCHECK FOR MINIMUM DESIGN SHEARVmin=0.11(0.4)(1)(10472.114)Vmin=460.77KNCHECK FOR ZONE 4 DESIGN BASE SHEARVzmin= Vzmin = 264.93KN
Since:Vmin < Vact < VmaxUSE V=1232.01KN
LATERAL FORCE DISTRIBUTION
LEVELhxWxhxWXFx
ROOF 9.1443343.33230571.43569.29
2ND4.5727128.78232592.791635.72
Wx=10472.114hxwx=63164.221Fx=1232.01
Fx = Ft=0.07TVIF T