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I1/I;J/!=VVf I4J O+J P- HA 16015/019 <br />Project, Steve Adit Bulkhead, Sts. 2.65 By Ml?1./.]!FA Date 10/30/07 <br />10' Thick, 10' Wide, 10' High, #6 Rebar_ Sheet 5 of 8 <br />Plain concrete deep-beam bending stress design for earthquake acceleration: <br />Factored earthquake accelerated static fluid load, Efe := 144•(?fe-p•hb'w•b Efe = 786240 lb <br />4hea• ?'?Is-'1'w•ht• wt, o- <br />Factored earthquake accelerated litre-of=sight fluid load, <br />F <br />E-f 447229 1b <br />tn, <br />?ea'?-t'hb•wb-yc•oc <br />Factored earthquake accelerated bulkhead load, Ebn, <br />g <br />lb <br />Ebm = 50525 <br />Total factored earthquake load on bulkhead, Uc,:= Efe + Cf,,, + Ebn, Ua = 1283994 lb <br />Uniform factored earthquake load on bulkhead, u UOt u = 12840 psf <br />hb' Wb <br />2 <br />w <br />Nominal earthquake bending moment, u• g MI, = 160499 ft-lb <br />Factored earthquake bending moment, Y,,:= M11 Mu = 291817 ft-lb <br />4)pc <br />144.1 ?2 <br />Bulkhead section modulus, S S = 2400 in3 <br />6 <br />Concrete flexural (tensile) design stress, 3? f,:i = 1643 psi <br />Mu NI„ Mu <br />24•Lf,; <br />6 <br />as := fcl Lf, M1? L.f, = 8.60 ft <br />24-a,