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LUCAS PROPERTIES November 17, 2021 SDA Job# 9411 7 <br /> Lateral Calculation Key-for Shearwalls Only(See attached calcs for other lateral load resisting system designs) <br /> P2 <br /> V <br /> V=Shear,plf <br /> H=Height of shearwall <br /> L=Length of shearwall <br /> 09 P1 =Weight of shearwall and connected framing <br /> P2=Weight of adjacent wall <br /> IN <br /> "T=V x H -0.5P1-P2=Tension reaction to be resisted by holdown <br /> TJ Ic C=V x H+0.5P1 =Compression reaction <br /> *Holdown tension load supporting roof framing includes wind uplift from'Zone G'8'Zone H' <br /> ASD Basic Load Combinations <br /> For calculation of tension and compression forces in compliance with ASCE 7-16 2.4.1 <br /> Tension Equations(Uplift) <br /> 7.0.6D+0.6 W <br /> 8—.(0.6-0.14SDS)D+0.7Emh <br /> 10.0.6D-0.7Ev+0.7Eh <br /> 10*.0.6D-0.7Ev+0.7Emh <br /> Compression Equations <br /> 5.D+0.6W <br /> 5—(1+0.14SDS)D+O-7Emh <br /> 6.D+0.75L+0.75(0.6W)+0.75S <br /> 6b**(1+0-105SDS)D+0-525Emh+0.75L+0.75S <br /> 8.D+0.7Ev+0.7Eh <br /> 8*D+O-7Ev+0.7Emh <br /> 9 D+0.525Ev+0,525Eh+0.75L+0.75S <br /> 9*D+0.525Ev+0.525Emh+0.75L+0.75S <br /> LRFD Basic Load Combinations(Where Applicable) <br /> For calculation of tension and compression forces in compliance with ASCE 7-16 2.3.1 <br /> Tension Equations(Uplift) <br /> 5.0.9D+W <br /> 7.0.9D-Ev+Eh <br /> 7*.0.9D-Ev+Em h <br /> 7**.(0-9-0.2SDS)D+Emh <br /> Compression Equations <br /> 4.1.2D+1.6W+L+0.5S <br /> 5**.(1+0.2SDS)D+Emh+L+0.2S <br /> 6.1.2D+Ev+Eh+L+0.2S <br /> 6*.1.2D+Ev+Emh+L+0.2S <br /> ___-.._.__._._.._._._.._._._..__.-.._ <br /> Load Symbol Legend: Abbreviation Svmboi Legend <br /> D-Dead load HD-HOLDOWN <br /> L-Live load <br /> S-Snow load <br /> W-Wind load <br /> SOS-Design spectral response acceleration <br /> Eh-Effect of horizontal seismic forces <br /> Ev-Effect of vertical seismic forces <br /> Ern-Effect of horizontal seismic forces,including overstrength f <br /> Emh-vertical seismic load effect <br /> .. —I _.......... ... <br /> Shear Wall Coefficient Legend: see"SEGMENTED SHEAR WALL DESIGN"Pages) <br /> WL FACTOR-Factorfor increasing seismic capacity to wind load capacity per SDPWS-2015 T4.3A. <br /> ASPECT RATIO-Full-height segmented shear wall reduction factor per SDPWS-2015 4-3.3.4.1.Shear walls with similar stiffness per 4.3.4.2_ <br /> TOTAL ADJ.LENGTH-Sumation of shear wall segments widths adjusted with aspect ratio(as required). <br /> S.G.-Specific Gravity Adjustment Factorfor Hem-Fir Framing(may be increased to 1.0 for Douglas-Fir framing). <br /> ASD-Allowable Stress Design load combination factor. <br /> ALLOWED UNIT SHEAR-Unit shear capacity per SDPWS-2015 T4.3A.Shear values adjusted with FACTOR OF SAFETY per 4.3.3- <br /> WIND CAPACITY-Ultimate shear value calculated per:WL FACTOR x S.G.x UNFACTORED SHEAR CAPACITY/(FACTOR OF SAFETY x ASD). <br /> SEISMIC CAPACITY=Ultimate shear value caulated per:S.G. UNFACiORED SHEAR CAPACrTY/(FACTOR OF SAFETY x ASO). _- <br />