The behavior of pile raft foundation in soft soil is a very important problem in geotechnical engineering.
软弱地基中桩筏基础的研究一直是岩土工程中的一个重要课题，也是土木工程设计的一项关键技术。
Research for the deformation and internal forces of piled raft foundation on a thick soft substratum are concerned with not only the interaction between pile, raft and soils but the also the time.
大量桩筏基础下存在较厚的饱和软弱下卧层，其变形和内力的研究不仅涉及到筏板、桩和土三者之间的相互作用，而且还跟时间有很大的关系。
A settlement computation method to the composite foundation composed of slurry wall-pile-box or thick raft is proposed, which is defined in the paper as two-stage settlement computation method.
提出了由地下连续墙-桩-箱或筏所构成的复合基础的沉降计算方法，该方法定义为二阶段沉降计算方法。
The effect of the supporting pile on the interaction system of structure, raft foundation and soil is studied.
研究了支护结构对上部框架结构—筏基—地基的共同作用体系的作用，建立了共同作用体系有限元模型。
Changed pile foundation scheme into raft foundation scheme saved the cost and minimized construction period significantly.
将桩基础改为天然地基基础，方便施工，有效地缩短了工期、降低了造价。
A method is proposed for the settlement and inner force analysis of rigid pile composite foundation raft system.
提出一种分析刚性桩复合地基—筏板基础相互作用体系内力和变形的实用方法。
Detailed study was done in the determination of base bearing capacity, raft stake composite stress analysis, auger ground, bearing stratum stress stretching and pile foundation construction.
对设计中的基础承载力的确定、筏桩复合受力分析、下卧软土、持力层应力扩展、桩基施工等方面进行了较为详细的研讨。
In addition, the analysis of the piled raft foundation with irregular shape of raft and the optimization of pile-layout could be easily carried out.
该方法可方便地用于非均匀布桩、非规则平面形状桩筏基础的计算和优化分析。
Considering the thick backfill and soft foundation soil in the cut-and-cover section of Jiadi tunnel, a pile-raft foundation is accepted in order to avoid negative effect due to excessive settlement.
浃底隧道出口明洞段回填厚度较大而基础土体软弱，因此采用了桩-筏基础的形式以避免过大沉降带来的不利影响。
At last, design method as well as construction craft and quality control specification of the technology of reinforcing soft loess foundation under high embankment with pile-raft system is proposed.
最后提出了桩-筏式复合地基处理软黄土地基方法及其设计与施工方法。
Finally, a series of parametric analysis was made to study the settlement of piled raft foundation and the loads Shared by the individual pile and subsoil.
最后对桩筏基础的沉降、各桩以及土之间的荷载分担情况进行了一系列的参数分析。
This method is prior to method of pile foundation code of China which is based on the assumption of the infinitely stiffness raft.
此法较现有的桩基设计规范中基于筏板绝对刚性假定的计算方法有一定的优越性。
During the design of pile-raft foundation, there still exist many problems because the research on theory of piles' load-transfer mechanism is far behind the development of practice.
目前由于桩基荷载传递机理还没有完全研究清楚，桩筏基础设计无论在理论上还是在实际上都存在某些不合理的地方。
During the design of pile-raft foundation, there still exist many problems because the research on theory of piles' load-transfer mechanism is far behind the development of practice.
目前由于桩基荷载传递机理还没有完全研究清楚，桩筏基础设计无论在理论上还是在实际上都存在某些不合理的地方。
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