桩型:69孔桩竖向承载力计算土层名称持力土层层0.00标高编号判定桩顶标高桩身直径d (m)0.8层底绝对标高(m)133.500132.000129.920129.92129.92129.92129.92127.42125.12123.002.083855602.502.302.12100100150200桩端土性质:砂土、碎石类土ψp=0.961桩周长u桩身面积A扩大头直径D(m)桩端面积Ap2.51330.50270.90.7069端阻力Psk层厚li (m)阻摩力 qsiku*qsik*lihc=0.8土层性质ψsi填土②1淤泥质粉质粘土②2粉质粘土②3粉质粘土夹砂粘性土、粉土粘性土、粉土粘性土、粉土粘性土、粉土粘性土、粉土1.001.001.001.001.001.001.001.001.001.001.00中粗砂混砾卵石④1花岗岩全风化带④2花岗岩强风化带持力层④3花岗岩强~中风化带628.32867.081065.63粘性土、粉土粘性土、粉土4000粘性土、粉土粘性土、粉土粘性土、粉土粘性土、粉土桩长=合计扩大头时扣除侧阻的深度:累计扣除的侧阻为：9.00侧阻力端阻力2.80Qsk=Qpk=25612827JGJ 94-2008公式 5.3.8-1Quk=(Qsk+Qpk)/2=2694KN(特征值）Ftk=2.01fc=14.3桩身强度0.6fc*Ap=4313KN桩身强度>1.35Quk,满足要求桩身砼C30N/mm2N/mm2
