探讨了桩的长径比、嵌岩深度对嵌岩桩的荷载传递性状的影响。
The paper also investigates the effect of rock-socketed depth, length-diameter ratio on the behavior of load transfer of rock-socketed piles.
从理论上分析影响荷载传递性状的因素,并推导了挤扩支盘桩荷载传递的理论公式。
Influential the factors of the load transmission characteristics are analyzed theoretically, and the load transmission theoretical formula with squeezed branch pile is inferred.
钻孔压浆桩与钻孔灌注桩和后压浆技术在施工工艺上不同,其桩土荷载传递性状亦有差异。
The construction process of drilling and fluid compress pile and that of drilling and grouting pile are different, so the load transfer behaviours between pile and soil are also varied.
根据单桩静载荷试验的结果,全面系统地分析了挤扩支盘桩的承载机理、荷载传递性状和FEM模拟结果。
Bearing mechanism, loading transfer behavior and results of FEM simulation of squeezed branch pile are analyzed systematically in this paper based on results of static loading test.
大量试桩资料表明,桩身荷载传递函数曲线多符合双曲线模型,故有必要对基桩荷载传递性状进行非线性分析。
Many static test data indicate that, the load-transfer curves can be well fitted with hyperbola, so nonlinear analysis on behavior of load transferring along pile shaft is necessary.
通过载荷试验证明,挤扩支盘桩由于桩身不同位置设置了多个支或盘,使其荷载传递性状发生了根本的改变,因而它的承载力及沉降等方面也发生了变化。
It is proved by loading test that the loading transfer behavior of squeezed branch piles has changed because at different places of the pile body are located many branches or disks.
基于可反映桩基荷载传递性状的“套叠”式桩周土变形模式和弹性理论,将等直径部分和扩径体部分桩周土分段建立位移方程,推导了桩身带有扩径体的非刚性和刚性DX抗拔桩的荷载-位移关系的解析解。
Based on the elastic theory and the overlapped-form strain mode of the soil, the paper deals with an analytical solution for the load-displacement relationship of non-rigid and rigid DX pullout pile.
基于可反映桩基荷载传递性状的“套叠”式桩周土变形模式和弹性理论,将等直径部分和扩径体部分桩周土分段建立位移方程,推导了桩身带有扩径体的非刚性和刚性DX抗拔桩的荷载-位移关系的解析解。
Based on the elastic theory and the overlapped-form strain mode of the soil, the paper deals with an analytical solution for the load-displacement relationship of non-rigid and rigid DX pullout pile.
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