pile tip 桩端 ; 桩尖 ; 桩冰山
Pile Tip Elevation 桩尖标高 ; 桩尖海拔 ; 桩冰山心灵
settling ratio of pile tip 桩端沉降比
pile tip load 桩端荷载
pile tip grouting 桩端压浆
Pile tip collapse 桩尖虚脱
pile tip settlement 桩端沉降
The key problem of karst foundation is not the foundation strength itself but the foundation stability, especially the stability of the free face of rock mass on the pile tip.
岩溶地基突出问题不是地基强度而是地基稳定性，尤其是桩端岩体临空面稳定性。
When installing steel tubular piles in regions where granite is shallowly overburdened, the piles are easy to deviate and the pile tip is easy to warp, resulting in slow driving.
在浅覆盖层花岗岩地区进行钢管桩施工，存在易偏位、桩尖易卷口和进度慢等技术难题。
After pressure grouting on pile tip, elastic working range of piles will be extended and be in favour of pile to bear repeated loads and dynamic loads.
桩端压力灌浆后，桩的弹性工作范围延长，有利于桩承受重复荷载和动力荷载。
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