该层反算桩长土层侧阻力Um*qsk*li桩底土层端阻力A*qpkλi*Um*qsk*li1①-1151001002①-24011401125.603全风化②-190130011901282.61020.54强风化②-21600158001251206.3531050965101006101007101008101009101001010100kNkN桩长m8.353安全7桩顶设计竖向力P1800土层序号土层土层极限侧阻力标准值qsk(kPa)土层极限端阻力标准值qpk(kPa)修正系数λi该层土中有效桩长:不得大于土层厚度li(m)单桩竖向极限承载力标准值Quk=∑Um*qsk*li+A*qpk=3940.7安全系数K2单桩竖向承载力特征值R=Quk/K1970.35桩径m总极限摩阻力标准值∑Um*qsk*li=2920.2总极限端阻力标准值A*qpk=1020.5qsk*li桩径Dm