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08-14-2003 05~SSRM FROM FERRN ENGINEERING SERVICE TO <br />I <br />I <br />i'roject ~ n Mo~uU Tunnel Bulrcftead <br />i~ <br />~: <br />;Factored <br />Factored <br />i <br />~'j Cori <br />BuI1cEie<Sd <br />j ~~ <br />Earthgita <br />. Faac+ted <br />I';13ulkliead <br />I ' Factored <br />Factored ~ <br />1 Narninal e <br />I'Faaorcdi <br />,'i <br />;Bulkhead <br />'Concrete 1 <br />a sr fcl <br />St8t1C <br />2475104 P.04 <br />i <br />ay JFA ' ri}te ! 5ro3 i <br />~ i <br />Sheet 3 pf" ice, :_fii --i' <br />(len¢thl #o resist concrete shear from static fluid lo~o~, fa~• <br />,, ~. <br />I load on bulkhead face, F 5 := 144• fs•p•h•1 F s = ls2ssss Its <br />F <br />l lc~ad/sq ft of face, ro ~ := h.~ m fs = 19044 psf <br />ufyfi, f~ ~=~ 2• fc f~ =109.5 psi I I f ' <br />i <br />to resist factored static Huid load, t $ := F s ~ L I 2 7 ftl : <br />is <br />I I ';~ ~:; <br />-Beam hendi~ stress desien for earthaualce accelerattonb <br />~, :j I <br />vd loakt per foot of tunnel height,E fe '= ~ fe'F s E ~fe ° 1599736 ~ ,~ ~~ <br />b~5~yw.hla <br />accelerated by earthquake, E ~, := ! >: ~ 2~ i 18 lbj <br />S i <br />lerated by earthAuake); ~ := m ~ 1. t~ •l'Y. c~ E bm =1142131, <br />reggth- for bulld4ead accelerated by earthquatce, U ~ ;= Him + ~;~ t ~ y~ii <br />U a = 1889867! ' Ib <br />' Ua <br />rthgua~Ce load on bulkhead face, u h:l u = 2362 pgf <br />z i i <br />bending moment, M n :_ a8 M n = 295292 ft-Ib <br />M ~' ! ~ ~' <br />bending moment, M„ := ° M = 454295 ~ ft Ib'~,~ ~ I, i ~~ .:1 <br />0 p~ a ~ ~ <br />z <br />~dulus,: S := 1-~ ; j <br />6 <br />nails) design strength, f~l := 3• fc fd = 164.3 ,psi <br />M~~a Mu <br />?S:. ~ C = i <br />144!•L~ s ' 24 •Lx•Lz <br />G <br />My <br />L ~_ --- L = 10.7. ftI <br />24•a ~ <br />N s <br />,. <br />lfglgkd~emel vv~sci k33A1e <br /> <br />