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HNLehtinen By Date <br /> Engineering <br /> 4120 Hoyt Ave. Page No. of <br /> Everett, WA 98203 <br /> (425) 252-2373 <br /> -- _ SC15 1G Lo61.) DI 13( r oN) <br /> ASCE 7-10 per Equivalent Lateral Force <br /> 12.8-1 in ASCE 7-10 and equation 12.8-2 in ASCE 7-10: <br /> JV here: V — C,W <br /> W = effective seismic weight CSsns <br /> R <br /> Cs = seismic response coefficient <br /> I = occupancy importance factor = 1 per ASCE 7-10 Section 11.5.1 and Table 1.5-2 <br /> R = response modification factor <br /> SDS = design spectral response acceleration parameter in the shorte eriod range <br /> g <br /> Now, per ASCE 7-10 Table 12.14-1 and equations 12.8-11 and 12.8-12 in ASCE 7-10: <br /> R = 2 for ordinary reinforced masonry shear wall foundation <br /> R = 6.54 for framed walls with plywood <br /> I = C V - <br /> k SUS <br /> C wh <br /> x C = V = C'SW <br /> 1 w113,k <br /> h k <br /> (R/1) <br /> i I, o Is gnf) <br /> t <br /> 55 - 122 16 '� 2 �D ) <br /> F= I, 2, (3,5Two) <br /> SMs = <br /> Fq5s = ISI x !22. 16 = L3� <br /> S �'► _ FVSI = I, 5x 1-717 - 017 / 5 <br /> • <br /> 2 _ 2 <br /> SDI - 3 SMI -- X 017i 5 - o1 L7 <br /> •-)DS = SMS -- 0-- x I 241. = o <br /> C <br /> 5 SDs � - 0, 11 <br />