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Gold Prince Portal Bulkhead Calcs Page 4 August 19, 1996 <br /> _ A. _ 0.00 <br /> pw— b„d — (12)60 _—0.000000 <br /> V,=K(1.9 fc +2500pw.d)bwd <br /> so6s��� <br /> Ve=2.5 1.9 3000 +2500(0.00) 43052 12(30) <br /> V, =2.5[104.1 +0.00]360=93,700 lb <br /> FS= v° = 93700 = 17.6 <br /> Vn 5318 <br /> Earthquake bulkhead design; Load factors(ACI 318, Sec 9.2.2, 9.2.3, 9.2.5)Factor for fluid load <br /> under earthquake acceleration(F)= 1.05;Load factor for earthquake accelerated mass(E)_ <br /> 1.40. Maximum credible earthquake acceleration(a) is 0.087 8ft <br /> z <br /> U= 1.05F+ 1.40E <br /> Mass(E) accelerated by maximum credible earthquake <br /> __ Siy.hl+Lhly. _ [(150-14x62.4)10.5(10)+2.5(10.5)10(151)] — 891100+39600 _ lb•sec2 <br /> E. 9 — 32.2 32.2 —28,900 ft <br /> E Em =Em =28900(0.087)=25101b <br /> E= E Em = 2510 =239 lb <br /> h 10.5 ft <br /> Total load under earthquake acceleration <br /> Hy,� 14(62.4) =6.1 si <br /> p — 144 — 144 P <br /> F=pbw(12) =6.1(12)12= 878 b <br /> ft <br /> Ua = 1.05F+ 1.40E= 1.05(878)+ 1.40(239)=922 +335 = 1257 ft <br /> Earthquake nominal beam bending moment <br /> Mna= U8 = 1257g1o2) = 15,700 ft-lb <br /> Mna = Mn = "200 = 179400 ft-lb (209,000 in-lb) <br /> 0.9 0.9 <br /> 4 <br />