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Allowable Stress Design Loads For Wood IBC2018 <br />Design -shall be in accordance with Sections 2304-2306. <br />Structures using wood shear walls and diaphragms to resist <br />wind, seismic and other lateral loads shall be designed and <br />constructed in accordance with AF&PA SDPWS and provisions <br />of Sections 2305 - 2306. <br />Design Rer Alternative Basic Load Combinations 1605.3.2 <br />For worse case effect with wind load, L & S shall be zero. <br />Equations 16-18, 16-19and 16-20 become. <br />D+(j)W*0.6 <br />Where ra equals 1.3, W equals Fk of the respective diaphramn, and <br />D shall be multiplied by two-thirds. <br />For worse case effect with seismic load, L & S shall be zero. <br />Equation 16-22 controls. <br />0.9 D + E/1.4 , substitute ASCE 7 EQ 12.14-6 for E <br />pQE...0.2Spsp; <br />0.9 D + , simplify & arrange variables <br />1.4 <br />0.9-0.14 SDS D+ P QE <br />1.4 <br />Where QE equals F. of the respective diaphragm. <br />Principle of Mechanics <br />Sum the forces in the horizontal direction, diaphragms and sheanvalls shall resist, <br />Wind Desian Loads. 1.3 Fx <br />For Kzt = 1.00 <br />Front to Rear <br />I Side to Side <br />Diaphragm <br />Force Obs) <br />Force (lbs) <br />x = 2 <br />4755 <br />3257 <br />s = 1 <br />5372 <br />2946 <br />Seismic Design Loads, (p/1-4) Fx <br />p = 1.3 <br />Diaphragm <br />Force (lbs) <br />x=2 <br />3213 <br />x =1 <br />2650 <br />Version 7.0 <br />2302.1 <br />1605.3.2 <br />1605.3.2 <br />1605.1 <br />ASCE 7 12.14.3.2 (2), EQ 12.14-6 <br />EQ 16-22 <br />ASCE 7 12.3.4.3 <br />Pg 3.1 <br />