The load test is an important means to study composite foundation bearing capacity of cement-soil mixed piles at present.
载荷试验是目前研究水泥土搅拌桩复合地基承载力的重要手段。
It was introduced as a new ground treatment method that the composite foundation method named with concrete-cored sand-gravel piles was applied to the embankment strengthening.
介绍了一种新型的地基处理方法——混凝土芯砂石桩复合地基法及其在水利防洪堤软基加固工程中的应用情况。
The accuracy of settlement calculation of composite foundation with mixing piles depends on the additional stress distribution in the foundation, especially in the subjacent bed.
搅拌桩地基沉降计算的准确性取决于搅拌桩复合地基中附加应力的分布，特别是下卧层应力的分布。
Composite foundation formed by cement agitation piles is used in strengthening dike foundation for improving the stability of dike project.
提出将水泥搅拌桩运用于堤防工程的地基加固，以提高堤防工程的稳定性。
The composite foundation with rigid-flexible piles under strip foundation is analyzed by FEM on the basis of field tests.
在现场试验基础上对条形基础下刚-柔性桩复合地基进行有限元模拟分析。
Optimum design model about composite foundation of composite piles is constructed which is under the dual control of bearing capacity and displacement by applying optimization theory.
运用最优化理论，建立了考虑承载力和沉降量两个控制条件的组合桩复合地基的最优设计模型。
A simple and practical approach is presented for the calculation of settlement of reinforced area in composite foundation according to the superposition of the interaction factors between piles.
根据桩与桩之间的相互作用因子叠加，提出了计算复合地基加固区沉降的一种简单、实用的新方法。
The calculation methods of bearing capacity and settlement and testing methods of CFG and lime piles composite foundation are put forward.
同时介绍了cfg桩和石灰桩形成的多元复合地基的承载力和沉降的计算方法及检测方法。
The field loading test of single pile and three piles composite ground are studied combining the construction of lime-soil compacted pile in collapsible loess foundation.
结合灰土挤密桩处理湿陷性黄土地基工程实际进行了单桩、三桩复合地基静载荷现场试验。
Through research and test on the composite foundation bearing capacity of cement soil pile used in the railway line, the regulation of piles and soil is analyzed.
通过对某铁路专用线粉喷桩复合地基承载特性的测试试验，分析了桩、土应力的变化规律。
The influence of the pile type and the friction angle of the contact surface on the limit bearing capacity of the piles and the composite foundation is discussed with an example.
通过算例，讨论了桩型及桩土接触面上的摩擦角对散体材料桩及其复合地基极限承载力的影响。
Based on the construction of Ning_Gao highway, the settlement rule of the composite foundation with agitated piles was carried out and analysed.
以宁高公路建设为背景，对深层搅拌桩复合地基进行了有限元沉降分析。
Secondly, following the theoretical preparation of CFG piles composite foundation is the optimization design theory.
在CFG桩复合地基设计计算理论准备充分的情况下，引入了最优化设计理论。
The test results can provide useful information for the study on the theory of control settlement and composite foundation with sparse PTC piles and a guide to its engineering design.
试验结果能够为PT C型控沉疏桩复合地基理论研究提供合理依据，并对其优化设计起指导作用。
Effective pile length is an important problem that should be thought about when making a design of flexible piles composite foundation.
有效桩长是柔性桩复合地基设计时需要考虑的一个重大问题。
This paper describes the construction technology, the quality control measures and the technical and economical benefits of CFG piles composite foundation of Ningbo Lianfeng residential quarter.
介绍宁波联丰住宅小区CFG桩复合地基的施工工艺、质量控制措施及技术经济效果。
The mud jacking and small piles composite foundation is a new technique and a new skill.
压浆小桩复合地基是一项新工艺、新技术。
With the changing of piles length, displacement ratio and piles strength, we concluded the settlement rules of semi -rigid-pile composite foundation by numerical calculation method.
分析了半刚性桩复合地基的桩土受力特点，通过数值计算方法，得到半刚性桩复合地基的沉降随桩长、置换率、桩身强度等因素变化的关系。
In foundation excavating, upright post piles and engineering piles form a long -short pile composite foundation.
在基坑工程中，立柱桩和工程桩形成了长短桩复合桩基础。
Both composite foundations of CFG piles and compacted cement-soil piles are very effective methods of foundation consolidation technology.
CF G桩复合地基和夯实水泥土桩复合地基都是十分有效的地基加固技术，但很少有将两者组合应用于地基处理中。
Meanwhile the load transfer laws and the deforming characteristics of single pile composite foundation and group piles composite foundation are researched.
同时，分析单桩复合地基、群桩复合地基荷载传递规律及变形特性的差异，群桩复合地基中内桩、边桩荷载传递规律的差异问题。
With analysis of interaction of piles, soil and cushion, settlement characteristics of the rigid pile composite foundation is discussed.
通过分析桩土垫层相互作用，讨论了刚性桩复合地基的沉降特性。
This composite foundation transfers the loads to the rigid grid structure through bedding cushion and tension reinforcement net firstly, the load then were passed to deep clay by piles.
这种复合地基通过过渡垫层及张拉网或张拉筋把荷载传递到刚性网格结构上，再通过桩把荷载传递深层土体中。
The computing formulae of the bearing capacity and deformation of the composite foundation with piles of different lengths, namely flexible pile and rigid pile, have been presented.
本文提出了散体桩和刚性桩两种桩型长短桩相结合的复合地基的承载力和沉降的计算公式。
For low elastic module piles which are often used in composite foundation, have to take compression deformation of piles into account in analysis of pile-soil interaction.
在复合地基中常用的低刚度桩的桩-土相互作用分析中应当考虑桩身压缩的影响。
The field test method of improving the soft foundation of the bridge approach with the low intensity piles composite foundation is summarized;
对低强度桩复合地基加固软基的试验方法进行了总结；
At present, the existent design theories of composite pile foundation didn't forma valid method to confirm the number of piles still.
目前已有的复合桩基设计理论中，对桩数的确定尚未形成一种统一有效的方法，有的设计人员在设计时仍按承载力控制来确定。
Thickness of cushion do not alter much the pore pressure in the composite foundation with long-short-piles.
垫层厚度的变化对长短桩复合地基的孔压影响很小。
Directed against the composite formed by the powder deep mixing piles under the embankment, the paper puts forward the flexible foundation composite ground.
针对路堤下粉喷桩复合地基工程，本文提出了柔性基础复合地基概念。
Directed against the composite formed by the powder deep mixing piles under the embankment, the paper puts forward the flexible foundation composite ground.
针对路堤下粉喷桩复合地基工程，本文提出了柔性基础复合地基概念。
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