The compression of the pile in the pile group can be determined by static load test. The settlement of the pile toe is calculated by layer wise summation method.
群桩中桩身压缩由单桩静载试验得到的桩顶沉降与桩端沉降之差求得，群桩的桩端沉降由分层总和法计算。
The mechanism of piling into rocks of steel pipe pile ', earth blockage and type selection of pile toe are discussed.
文章讨论了钢管桩在基岩中的沉桩机理、土塞问题和钢管桩桩端的选型。
The value of frictional force of soil to pile body and resistance to pile toe has a close relation with the penetration depth and relative rigidity of soil layer at pile body and pile toe.
支承桩的桩身摩擦力和桩尖阻力的大小与入土深度及桩身、桩尖处土层的相对刚度密切相关。
Then the incident wave, pile-toe reflection wave and flaw reflection wave can be judged by the position of singularity.
由信号的奇异点位置很容易确定入射波、缺陷反射波、桩底反射波位置。
According to in-situ test data, the variation is analysed of pile skin friction and toe resistance with piling up weights.
根据实测资料，分析了桩侧摩阻力和端承力随上部堆载的变化关系，并由此研究了大型堆载条件下的桩土性状。
Then, the positions of the incident wave, pile-toe reflection wave and flaw reflection wave can be determined by the position of singular point.
然后根据奇异点位置确定入射波、缺陷反射波、桩底反射波位置。
Then, the positions of the incident wave, pile-toe reflection wave and flaw reflection wave can be determined by the position of singular point.
然后根据奇异点位置确定入射波、缺陷反射波、桩底反射波位置。
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