预应力管桩单桩承载力特征值400
单桩竖向承载力特征值计算
注：按桩基规范5.3.8条计算，桩选择PC-A400(80)-15。
ZK1
桩径400
桩顶相对标高为-3.0m u(m) 1.256桩长15m Aj(m*m)0.080384λp=0.8
Ap1(m*m)0.045216
Qsk
Qpk
R
土层qsik 层顶深度
Li qsil*Li qpk
Aj+λp*Ap1u∑qsik*Li
330-30.39445-3.3 2.299545-5.5 3.9175.5650-9.4 1.365750-10.7 3.3165855-144
220
15000.116557921.276174.8352548.0556
-18
15
ZK3
桩径400
桩顶相对标高为-3.0m u(m) 1.256桩长15m Aj(m*m)0.080384λp=0.8
Ap1(m*m)0.045216
Qsk
Qpk
R
土层qsik 层顶深度
Li qsil*Li qpk
Aj+λp*Ap1u∑qsik*Li
330-30.26445-3.2 1.985.5545-5.1 4.3193.5650-9.40.630750-104200855-144
220
15000.116557923.16174.8352548.9976
-18
15
Aj(m*m)0.080384λp=0.8
Ap1(m*m)0.045216
Qsk
Qpk
R
土层qsik 层顶深度
Li qsil*Li qpk
Aj+λp*Ap1u∑qsik*Li
330-30.824445-3.8 1.567.5545-5.3 3.7166.5650-9 1.470750-10.4 3.6180855-144
220
15000.116557914.368174.8352544.6016
-18
15
ZK6
桩径400
桩顶相对标高为-3.0m u(m) 1.256桩长15m Aj(m*m)0.080384λp=0.8
Ap1(m*m)0.045216Qsk
Qpk
R
土层qsik 层顶深度
Li qsil*Li qpk
Aj+λp*Ap1u∑qsik*Li
330-30.618445
-3.6
1.7
76.5
桩底标高桩长
桩底标高桩长
桩底标高桩长
545-5.3 4.1184.5650-9.40.945750-10.34200855-14.3 3.7203.5
15000.116557913.74174.8352544.2876
-18
15
ZK8
桩径400
桩顶相对标高为-3.0m u(m) 1.256桩长15m Aj(m*m)0.080384λp=0.8
Ap1(m*m)0.045216
Qsk
Qpk
R
土层qsik 层顶深度
Li qsil*Li qpk
Aj+λp*Ap1u∑qsik*Li
330-30.721445-3.7 1.672545-5.3 3.7166.5650-9 2.3115750-11.3 2.8140855-14.1 3.9
214.5
15000.116557915.624174.8352545.2296
-18
15
单桩竖向承载力特征值（平均值）546.2344
桩底标高桩长
桩底标高桩长