文中考虑了竖向力对群桩刚度的影响以及桩基承台水平位移与弯曲、扭转位移的耦合作用。
The effect of the vertical force on the pier stiffness and the interaction among the level, bending and torsion displacement is also studied.
对于必须考虑承台作用的低承台群桩，本文的计算结果是很有价值的。
The effect of SFRC on mechanics behavior of thick pile caps has also been analyzed systematically in this paper.
桩桩相互作用降低了桩的刚度，并使群桩的有效桩长加大了。
The pile stiffness is reduced by the pile-pile interaction and the effective length of piles becomes longer.
对不规则波与流共同作用于群桩的水动力特征进行试验分析。
The hydrodynamic features of irregular wave and current loads jointly acting on group piles are experimentally investigated.
应用有限棱柱单元法对群桩与土相互作用系统进行了三维弹塑性分析，并以无限棱柱元模拟半无限空间地基土的边界条件。
In this paper, the three dimensional elastoplastic analysis of a group pile soil interaction system is made by using the finite prism element method.
试验的三种透水率桩坝，其导流效果与实体丁坝群的基本相同，并未因部分透水及形态不同而使其控导作用明显减弱。
Three kinds of permeable pile dikes with different seepage rate are tested, and effect of flow control is basically the same with the spur dike.
试验的三种透水率桩坝，其导流效果与实体丁坝群的基本相同，并未因部分透水及形态不同而使其控导作用明显减弱。
Three kinds of permeable pile dikes with different seepage rate are tested, and effect of flow control is basically the same with the spur dike,.
回顾、总结了目前水平荷载作用下单桩、群桩、以及桩和承台共同工作的受力机理研究成果和分析计算方法；
Reviewing the researching results and calculating methods of the bearing capacity mechanism of single pile, pile groups or cooperation of piles and pile caps affected under lateral loads.
采用子结构方法研究了公路桥梁考虑群桩—地基土—空间桥梁结构相互作用分析方法。
A substructure method for the analysis of a highway bridge, considering interaction of group piles-soil-spaced bridge structures, is discussed in detail.
目前，国内外对横向荷载作用下群桩的分析方法较多，但在工程应用上仍远不能满足要求。
At present, there are many research methods on pile groups subjected to lateral loads at home and abroad.
并分析了桩与桩相互作用因子对群桩横向地震响应的影响。
Effects of pile-to-pile interaction factors on the lateral seismic response of pile groups were analyzed.
根据桩间两两相互作用关系给出了群桩弯曲粘弹性动力分析的桩头柔度矩阵。
According to the interaction between every two piles, the pile-head flexible matrix of the bending viscoelastic dynamic analysis of pile groups is given.
筏板下的群桩假定为相互作用的非线性弹簧，使用双曲线函数拟合载荷试验的Q-S曲线，并用它来模拟桩在荷载下的非线性响应。
The single pile load test's Q-S curves can be matched by the hyperbola function. The non-linear characteristic of the piles can be modeled by the hyperbola function.
可以用于群桩动力阻抗及桩身内力的计算，也可以进行桩—土—桩运动相互作用分析。
It may be used for the calculation of the dynamic impedances and internal forces of pile groups, and also for the analysis of the kinematic pile-soil-pile interactions.
本文研究了水平荷载下桩—土—承台共同作用的问题，对单桩和群桩分别进行了有限层—有限元分析。
This paper describes a pile groups-soil-pile cap interaction model in the lateral loading and proposes a finite layer-finite element analysis for the single pile and groups pile.
研究了在水平简谐荷载作用下饱和土中群桩的动力反应问题。
The dynamic responses of pile groups in saturated soil subjected to horizontal harmonic load are researched.
在分析了动力相互作用因子的统计特性后，推导了群桩的水平动力阻抗的统计表达式。
Furthermore, the statistics of dynamic interaction factors were studied and the statistic expressions of dynamic impedances of group piles were presented.
因此，本文以非线性有限元分析竖直荷载作用下超长群桩承载性状。
Therefore, this thesis analysed the bearing behavior of super-long group piles under vertical loadings by non-linear finite element method.
计算结果表明，该方法同实测结果吻合得较好。该方法的突出优点是可以考虑群桩中桩、桩与桩、桩与土的相互作用关系。
The advantage of this method is that the interaction of pile and pile, and pile and soil can be considered.
充分考虑了被动桩与土体的共同作用，基于桩—桩相互作用因子的叠加法，建立了部分埋入群桩的动力模型。
Based on pile-to-pile interaction factors, the transfer matrix method is used to establish the dynamic model of partially embedded pile groups, while the pile is treated as dynamic Winkler beam.
充分考虑了被动桩与土体的共同作用，基于桩—桩相互作用因子的叠加法，建立了部分埋入群桩的动力模型。
Based on pile-to-pile interaction factors, the transfer matrix method is used to establish the dynamic model of partially embedded pile groups, while the pile is treated as dynamic Winkler beam.
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