9Р6Р-712.3893Р7Р--1901.1737Р8(最大)Р-3334.3433Р(6)桩身各处剪应力РQy=Q0-12ABpψy(2y0-y)- 16Bpmψy2(3y0-2y)Р=6724.2-0.5*78000*3*0.*y*(2*5.2711-y)-0.5*39000*0. *y2(3*5.2711-2y)Р=6724.2-3864.683*y-599.5788*y2+122.1972*Y3Р桩身各处剪力详见表七。Р表七:桩身剪力分布表Р滑面以下深度(m)Р剪应力(Kpa)Р0Р6724.2Р1Р2382.1354Р2Р-2425.9036Р3Р-6966.7338Р4Р-10507.172Р5Р-12314.035Р5.2711(最大处)Р-12409.6Р6Р-11654.1396Р7Р-7794.3026Р8Р0Р经试算得,当y=5.3时Qy取得最大值,为-12408.4Kpa.Р(7)桩身各处弯矩值РMy=M0+Q0y-16ABpψy2(3y0-y)-112Bpmψy3(3y0-y)Р=47069.4+6724.2*y-0.5*78000*y2*0.*(3*5.2711-y)-0.25*39000*0.*y3*(2*5.2711-y)Р=47069.4+6724.2*y-1932.3419*y2-199.8595*y3+30.5493*y4Р桩身各处弯矩值见表八Р表八:桩身各处弯矩表Р滑面以下深度(m)Р桩身各处弯矩值(KN/m)Р0Р47069.4Р1Р51691.9479Р1.5(最大弯矩处)Р52288.06074Р2Р51678.3452Р3Р46929.2097Р4Р38078.3424Р5Р26492.7275Р6Р14272.5324Р7Р4251.1077Р8Р0Р经试算得最大弯矩在距离滑面1.9m处,其值为33562.84KN/m.
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