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Structural <br /> Engineering & Design Inc. <br /> 1815 Wright Ave La Verne, CA 91750 Tel: 909.596.1351 Fax: 909.596.7186 <br /> By: Bob S Project: Terra Power Project#:24-032&11 <br /> Slab on Grade Configuration:TYPE 1 SELECTIVE RACK <br /> P <br /> a 1 Concrete <br /> 1 ""'-" "-f`c=4,000 psi- <br /> slab t . <br /> D L b e tslab=t= 6.0 In <br /> cross teff 6.0 In <br /> IIIIIIIIJIIIIIIIIIIIIIIIIlIIIIIIIIIIIIIIIIIiilllllllllllllllllllllllllllllllllllllll -- --- Aisle goer, i ,, ,53 <br /> .- x -• IS'- c -•I soil <br /> Ir y B : ::::::::.: fsoll= 750 psf <br /> :•:Down Aisle Movt= 178,903 in-lb <br /> SLAB ELEVATION Frame depth= 42.0 In <br /> Baseplate Plan View Sds= 1.070 <br /> Base Plate 0.2*Sds= 0.214 <br /> Effec.Baseplate wIdth=B= 8.00 In width=a 3.00 in <br /> ilk . ' 7k18 <br /> Effec.Baseplate Depth=D= 8.00 in depth=b= 3.00 in 13=B/D= 1.000 <br /> midway dist face of column to edge of plate=c= 5.50 In F'c^0.5= 63.20 psi <br /> Column Loads midway dist face of column to edge of plate=e= 5.50 in <br /> DEAD LOAD=D= 113 lb per column Load Case 1) (1.2+0.2Sds)D +(1.2+0.2Sds)*B*P+rho*E RMI SEC 2.2 EQTN S <br /> unfactored ASO load = 1.41392* 113 lb+ 1.41392*0.7*4200 lb+1*4259 lb <br /> PRODUCT LOAD=P= 4,200 lb per column = 8,576 lb <br /> unfactored ASD load Load Case 2) (0.9-0,2Sds)D+(0.9-0.2Sds)*B*Papp+rho*E RMI SEC 2.2 EQTN 7 <br /> Papp= 2,814 lb per column = 0.68608* 113 lb+0,68608*0.7*2814 lb+1*4259 lb <br /> P-seismic=E= (Movt/Frame depth) = 5,688 lb <br /> = 4,259 lb per column Load Case 3) 1.2*D+ 1.4*P RMI SEC 2.2 EQTN 1,2 <br /> unfactoredLlmlt State load = 1.2*113 lb+ 1.4*4200 lb <br /> B `= = 6,015 lb <br /> rho , k _ 4 Load Case 4) 1.2*D+ 1.0*P+ 1.0E ACI 318-14 Sac S.3,1 <br /> Sds= 1.0696 = 8,595 lb Eqtn 5.3.1e <br /> 1.2+0.2*Sds= 1.4139 Effective Column Load=Pu= 8,595 lb per column <br /> 0.9-0.20Sds= 0.6861 <br /> Puncture <br /> Apunct= [(c+t)+(e+t)]*2*t <br /> = 276.0 in^2 <br /> Fpunctl= [(4/3+8/(3*3))*A.*(F'c^0.5) fv/Fv= Pu/(Apunct*Fpunct) <br /> = 151.7 psi = 0.309 < 1 OK <br /> Fpunct2= 2.66*X*(F'c^0.5) <br /> = 100.9 psi <br /> Fpunct eff= 100.9 psi <br /> Slab Bending <br /> Pse=DL+PL+E= 8,595 lb <br /> Asoll= (Pse*144)/(fsoil) L= (Asoil)^0.5 y= (c*e)^0.5+2*t <br /> 1,650 in^2 = 40.62 in = 17.5 in <br /> x= (L-y)/2 M= w*x^2/2 S-slab= 1*teff^2/6 <br /> = 11.6 In = (fsoll*x^2)/(144*2) = 6.0 In^3 <br /> Fb= 5*(phi)*(fc)^0.5 = 348.0 in-lb fb/Fb= M/(S-slab*Fb) <br /> = 189,74 psi = 0.306 < 1,OK <br /> type 2 select-96-Terra.xls Page 43 of f y 3/2G/2024 <br />