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- varying rigidity pile group 变刚度群桩
- Composite foundation of CFG is a kind of rigid pile but kind of flexible. (5)CFG桩复合地基是一种具有某些柔性桩性质的刚性桩复合地基。
- This study reveals that the bearing capacity of rigid pile composite foundation also can be increased by post grouting technique. 因此，钻孔灌注桩的后注浆技术同样可以提高刚性桩复合地基的承载力。
- Rigid pile composite foundation has been in great use these years, and it hasbeen used under tall buildings in some areas.Great social and economic benefit hasbeen gained. 近几年刚性桩复合地基在国内得到大量应用,一些地区已开始在高层建筑中应用,取得了显著的经济效益和社会效益。
- Furthermore, a mass of numerical calculations of the internal force of pile group under different magnitude and obliquity loads is made by the program. 此外，采用本文程序对不同荷载量级及倾角下群桩基础的内力进行了大量的数值计算。
- According to the laboratory measurements of velocity and water level which were obtained before and after seting up of pile group. 通过对河道修建高桩码头前、后的流速分布及水位试验分析得出:随着桩群长度的增加,同一根垂线上的流速分布趋于均匀。
- The effect of the pile group on the current is simulated by increasing the sea bed roughness which can be determined with empirical equations of arti- ficial roughness. 文中采用加大海底糙率来模拟群桩对水流的影响,桩基的糙率系数由经验性的人工糙率公式求得。
- The proposed model is implemented in an axisymmetric finite element code and numerical simulations are made for the behavior of single rigid pile composite foundation without and with cap under embankment loads. 建立了路堤荷载下刚性桩复合地基桩-桩帽-土共同作用的有限层-有限元方程,并编制了相关计算程序。
- 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%25，刚性桩复合地基承载力提高约35%25。
- 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。
- 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. 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。
- Considering pile group work in coordination with loess foundation, the pile group effect in loess foundation is analyszed by F.E.M,Some regulars are obtained for engineering design reference. 利用有限元法考虑桩土的变形协调，分析了在黄土地基中承台-桩-桩间土共同作用的机理，得到了若干规律，对实际工程设计具有实用意义和参考价值。
- The suitability of the models was examined by simulated load test of pile group of 4 piles model. 对4桩基础模型试验结果进行了拟合分析，验证了计算模型的适用性；
- I have a huge pile of letters to deal with. 我有一大堆信件要处理。
- It was mentioned that pile group could be comprised of piles with various lengths, radiis and stiffness modulis.Raft with any shape and depth could be studied accurately. 该方法可以分析由任意桩长、桩半径和刚度特性的桩群以及任意厚度和几何外形的筏板组成的竖向受荷桩筏基础。
- It was found that,the composite foundation with rigid piles had a good anti-seismic performance,the influence of superstructure to the deformation of piles was not noticeable,... 结果表明,刚性桩复合地基具有良好的抗震性能,上部结构特性对桩身变形的影响不大,桩身的运动主要受自由场运动的控制,柔性容器能够较好的解决模型试验的边界问题。
- The bridge abutment No.0 sits on the foundation of rock-socketed pile groups embedded in thick soft groundsill. 桥台南侧为粉喷桩结合土工格栅处理的高填方路堤连接段。
- Natural Vibration Analysis for a Simply Supported Girder Bridge with Varying Rigidity and Prestressing Force 变刚度预应力简支梁桥固有振动分析
- This matrix could be used to analyze both displacement and shear force along the depth of piles in long-short pile group without discretization of the soil or piles. 应用该方法时,桩体不需要划分单元,而且对于不同长度的桩组成的群桩基础具有分析过程的不变性和最终刚度矩阵大小的不变性。
- rigid pile with cap composite foundation 带帽刚性桩复合地基
