Some conclusions are obtained as follows : 1 . elastic or rigid pile model of the studied structure is however a relative concept 通过研究本文得到以下认识： 1 、预应力锚索抗滑桩中的刚性桩模式和弹性桩模式只是一个相对概念。
Along with the application in the high - rise building of the complex foundation with rigid stake . this technology will have much wilder application prospects 随着刚性桩复合地基在高层建筑中的应用，该技术将具有广泛的应用前景。
Loading test results indicate that the bottom resistance increases by about 100 % after grouting in the pile bottom , and the bearing capacity of the rigid pile increases by about 35 % 实测结果表明，桩底后注浆处理后，持力层的端阻力提高约100 % ，刚性桩复合地基承载力提高约35 % 。
Based on the application of post grouting technique in the rigid pile composite foundation , the authors investigated the mechanism of the capacity increase of short rigid pile by this technique 摘要结合后注浆技术在刚性桩复合地基工程中的应用，探讨后注浆技术提高刚性短桩承载力的作用机理。
In consideration of the significance of soil - pile interaction ( spi ) in the research of the theory of the rigid pile composite foundation , a summary is made on current researches on spi at home and aboard 摘要鉴于桩土相互作用研究在刚性桩复合地基理论研究中的意义，对国内外桩土相互作用研究现状进行了总结。
The earthquake response of composite foundation with rigid piles , the deformation behavior of piles and soil , the influence of superstructure , and the effect of the flexible wall container , etc . were discussed 对刚性桩复合地基的抗震性能、桩土变形特性、上部结构的影响、柔性容器的效果等问题进行了研究讨论。
The complex foundation of the rigid pile coexisted with the flexible pile is a new technical way of the foundation bed treatment and it is a studying hot point for the academic and engineer circles about this aspect 摘要刚性桩与柔性桩共同作用的复合地基是一项新的地基处理技术，是现在学术界和工程界研究的热点。
Based on an actual engineering example and ansys numerical analysis , this article studies the characteristics of the rigid composite foundations when the cushions selected 摘要根据工程实例的土质情况建立计算模型，通过ansys三维有限元的数值分析，研究了在竖向荷载作用下，褥垫层厚度、模量对刚性桩复合地基工作特性的影响。
When elastic pile model is employed , the depth of the piles embedded in the slide bed is relatively large , whereas the dimensions of the pile body are relatively small . nevertheless , if rigid pile model is employed , the situation is reverse 采用弹性桩方案时桩的埋深较大，但桩身截面可适当减小；而采用刚性桩方案，桩的埋深浅，但桩身截面大。
The working mechanism of pile - supported raft foundation under vertical load is similar to rigid - pile composite foundation , therefore , the methodology of composite foundation is applied to pile - supported raft foundation 摘要桩筏基础的竖向受力工作性状与刚性桩复合地基相似，尝试采用刚性桩复合地基有关理论及计算模式来分析桩筏基础的沉降变形工作状态。
