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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 Project: Terra Power Project#:24-0325-11 <br /> Downaisle Seismic Loads Configuration:TYPE 1 SELECTIVE RACK <br /> Determine the story moments by applying portal analysis.The base plate is assumed to provide partial fixity. <br /> Seismic Story Forces <br /> Typical fame made <br /> — --Vlong= 756 lb - — Tribut41.5,area oftwo columns-— •-•. ----- - ----- -. ._ _.... .— _ — - <br /> Vcol=Viong/2= 378 lb of rack frame� <br /> F1= 127 lb fY\\�* ' , ..." Typical Frame made <br /> F2= 253 lb oftwo columns <br /> F3= 376 lb ' <br /> ' Top View <br /> i <br /> Front View $Ide View <br /> Seismic Story Moments Conceptual System Col <br /> Mbase-max= 8,000 in-lb < w=Default capacity h1-eff= h1-beam clip height/2 <br /> Mbase-v= (Vcol*hleff)/2 = 59 in 111111611Vcol 1 <br /> = 11,151 In-lb <=_=Moment going to base I i? <br /> Mbase-eff= Minimum of Mbase-max and Mbase-v h2 <br /> = 8,000 in-lb <br /> M 1-1= [Vcol*hleff]-Mbase-eff M 2-2= [Vcol-(F1)/2]*h2 I'--` '6 1 <br /> _ (378 lb*59 in)-8000 in-lb = [378 lb- 126.7 Ib]*62 in/2 <br /> = 14,302 in-lb = 9,754 in-lb h1 h11 <br /> eff <br /> Mseis= (Mupper+Mlower)/2 <br /> Beam to Column Elevation <br /> Mseis(1-1)= (14302 in-lb+9754 in-lb)/2 Mseis(2-2)= (9754 in-lb+5639 in-lb)/2 <br /> = 12,028 in-lb = 7,696 in-lb rho= 1.0000 <br /> Summary of Forces <br /> LEVEL hi Axial Load Column Moment** Mseismic** Mend-fixity Mconn** Beam Connector <br /> 1 62 in 4,313 lb 14,302 in-lb 12,028 in-lb 4,502 in-lb 11,571 in-lb 3 pin OK 1 <br /> 2 62 in 2,875 lb 9,754 in-lb 7,696 in-lb 4,502 in-lb 8,539 in-lb 3'pin OK <br /> 3 60 in 1,438 lb 5,639 in-lb 2,819 in-lb 4,502 in-lb 5,125 in-lb 3 pin OK <br /> Mconn= (Mseismic+Mend-fixity)*0.70*rho <br /> Mconn-allow(3 Pin)= 12,691 in-lb <br /> **all moments based on IImit states level loading <br /> type 2 select-96-Terra.xls Page tp of 6 y 3/26/2024 <br />