集中质量模型是群桩基础抗震计算中广泛采用的简化计算模型。
In this paper, lumped mass models with various complexities are compared.
因此，有必要对群桩基础厚承台的传力机理及设计方法进行研究。
Therefore, it is necessary to study the load transferring mechanism and the design method of pile group foundations.
故本文针对后注浆群桩基础沉降性状这一课题展开相关研究工作。
Therefore, researches of the subject of post grouting pile group foundation settlement characteristics are conducted for this paper.
该公式能较好地反映大型群桩基础的端阻力随桩距变化的客观规律。
A theoretical computational formula has been given, it can react the rule that pile toe resistance changes with pile distance in large pile groups foundation.
在讨论桩基承台破坏机理的基础上，给出群桩基础设计的优化方法。
On the basis of discussing the damage mechanism of cushion cap, a method of optimum design for pile group foundation is put forward in this paper.
变刚度群桩基础在我国还是一种新形式，其沉降计算方法未见于规范。
Varying rigidity pile group is a new form in our country whose settlement calculating method has not been found in the code.
根据桩基沉降的机理，阐述了含有不同桩型的群桩基础沉降量计算方法。
A method of calculating settlement of foundation with different types of group piles is put forward based on its mechanism.
本文提出一种新型透空式防波堤，该堤由多排档板上部结构和群桩基础组成。
In the paper a new type perforated breakwater is proposed which consists of multiple row retaining panels and group pile foundations.
主塔墩基础采用钻孔灌注桩群桩基础，采用钻孔平台作为桩基施工临时设施。
The bored pile-group is used for the foundation of the main pylon piers and a drilling platform will be used as temporary facilities for construction of the pile foundation.
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。
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。
Furthermore, a mass of numerical calculations of the internal force of pile group under different magnitude and obliquity loads is made by the program.
本文基于能力谱方法对天然地基上带群桩基础的高层框架结构进行了平面静力弹塑性分析。
Capacity spectrum method was adopted to perform nonlinear static seismic response analysis for highrise frame structures with grouped pile foundation resting on natural foundation soils.
拟建的上海市轨道交通11号线区间盾构隧道近距离下穿交大海洋重点工程实验室群桩基础。
The interval shield tunnel of Urban transit line 11 in Shanghai is situated closely under the group piles of the National Key Laboratory for Ocean Engineering of Shanghai Jiaotong University.
本文提出了一种砂土中大型高桩台群桩基础的地基破坏模式，并导出了桩端阻力的理论计算公式。
In this paper, a failure model has been obtained for pile groups foundation with large high-pile platform.
位于潮汐河段的苏通大桥采用大直径、超长钻孔灌注群桩基础，而且需要考虑钢护筒的共同作用。
Sutong Bridge located in the tidal reach adopts the pile-group foundation with large-diameter and over-length bored piles working with the steel casing together.
基桩负摩阻力是桩基础设计中必须考虑的重要问题之一，但是针对考虑土体固结时间效应的群桩负摩阻力研究却相对较少。
Negative skin friction is one of important problems in design of pile foundation, but the negative skin friction of pile groups considering time effect is less studied.
基桩负摩阻力是桩基础设计中必须考虑的重要问题之一，但是针对考虑土体固结时间效应的群桩负摩阻力研究却相对较少。
Negative skin friction is one of important problems in design of pile foundation, but the negative skin friction of pile groups considering time effect is less studied.
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