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• Meanwhile, the distributions of additional stress of the composite pile foundation with equal pile length and the composite pile foundation with the adjusted soil rigidity.

对地基刚度调整后中心布复合桩基附加应力分布进行有限元模拟。

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• With the same settlement, the pile distance of pile - net composite foundation is longer than normal composite foundation's.

沉降值相同时-复合地基普通复合地基桩间距明显要大。验证了疏桩理论的设计思想。

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• This paper introduces the test results and calculative method by using the composite foundation of sand-stone pile and concrete pile with low strength.

本文通过试验工程实践，介绍采用碎（砂）石强度混凝土组合构成复合地基试验成果计算方法应用检测成果。

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• The relationship of composite foundation and ground treatment, composite foundation and double-layered foundation, composite foundation and composite pile foundation were studied.

分析了复合地基地基处理、复合地基与双层地基、复合地基与复合桩基之间关系

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• The probability characteristics of bearing capacity of rigid pile composite foundation is analyzed.

刚性复合地基承载力概率特性进行了分析。

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• According to the bearing mechanics and characteristics of pipe sinking gravel compaction pile and CFG pile the bearing capacity calculation method of this combined composite foundation is analyzed.

根据挤密碎石CFG桩组合型地基承载机理特性，分析了组合型复合地基承载力计算方法

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• The technique of rammed bulb and solid inorganic material with high strength is an important way for the improvement of pile bearing and composite foundation reinforcement effect.

采用夯扩施工工艺强度固体无机提高桩体承载力复合地基承载力加固效果重要环节。

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• Based on the finite element method and the theory of mode superposition, a quasi-static calculation method for the seismic response of rigid pile composite foundation under SV wave is presented.

针对竖向传播SV作用刚性复合地基动力反应，在型分解反应谱理论基础上，提出一种基于有限元分析的拟静力方法

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• The CM composite foundation is a kind of new type composite ground based on working principle, cushion effect, stress-passing characteristic and stress analysis of the single pile foundation.

CM复合地基原有的单一桩复合地基工作机理垫层效应特性应力分析的基础上提出的新型复合地基

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• The application and the design calculation methods of composite foundation with gravel pile and CFG pile based on engineering practice are analyzed, and the rational calculation methods are presented.

结合具体工程实例，对碎石-CFG桩组合型复合地基应用设计计算方法进行了分析，提出了合理的计算方法。

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• 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.

本文提出散体刚性桩两桩型长短桩相结合复合地基承载力沉降计算公式

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• With analysis of interaction of piles, soil and cushion, settlement characteristics of the rigid pile composite foundation is discussed.

通过分析垫层相互作用讨论了刚性复合地基沉降特性

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• Based on the load tests carried out in soft soil foundation treatment project of an expressway under construction, the effective cement-soil mixing pile length in composite foundation was explored.

本文根据高速公路处理中不同长的泥土搅拌桩单桩载荷试验结果，探讨了复合地基中水泥土搅拌桩有效桩长。

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• The governing object function and two boundary condition: settlement and foundation bearing capacity are developed in the optimization design of the PCC pile composite foundation.

建立PC C复合地基优化设计目标控制函数两个约束条件沉降控制条件和承载力校核条件。

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• The reinforcing soft soil construction technique of the combined composite foundation of cement-soil pile and concrete pile is studied in this paper.

研究了用粉喷钢筋混凝土桩基组合型复合地基技术处理土地基施工工艺

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• The long - short - pile composite foundation is a new type of foundation treatment.

长短桩复合地基一种新型地基处理形式。

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• The composite foundation of cement mixing pile is widely used for soft ground treatment in the aspect of highway and building construction because of its good reinforced effect and economic effect.

具有良好加固效果经济效果，水泥搅拌复合地基广泛应用于土地区的道路房屋建筑地基处理领域

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• The different distribution of pile reaction between pile groups composite foundation and composite pile foundation are studied, and some reasons are given.

研究了多复合地基多桩复合桩基桩顶反力分布不同，分析了出现差别的原因

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• Some measures were proposed to improve the engineering quality of the composite foundation with deep mixing pile.

提高深层搅拌复合地基工程质量提出改进措施

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• The characteristics of loading transmission of the CFG pile composite foundation has been analyzed by use of the ANSYS program.

采用有限元ANSYS程序对CFG复合地基应力传递特性进行了分析；

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• Based on elastic methods and the layer-wise summation method, a program developed for settlement calculation of pile ground and combined composite foundation.

基于弹性理论方法，结合分层总和，编制了群桩沉降计算程序，并掘此普通桩和组合桩群桩性状和沉降计算进行研究。

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• The gravel pile and CFG pile composite foundation is tested, and the load-bearing test of CFG pile is made.

碎石CFG组合型复合地基进行了检验CFG桩载荷试验

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• Some problems should be paid attention to when the bearing capacity of the combined composite foundation is calculated from the loading test results of single pile.

同时指出根据试验结果计算组合型复合地基承载力注意问题

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• 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.

结合注浆技术刚性复合地基工程中的应用探讨后注浆技术提高刚性承载力作用机理

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• The optimized design on the composite foundation of the stiff and half stiff pile by the cushion can be performed with this method.

利用方法刚性刚性复合地基进行优化设计

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• Based on the site loading experiment on SPIMP composite foundation, the interaction between pile and soil are studied in detail and the internal force analysis method is put forward.

本文通过静压复合地基载荷试验分析研究了预制静压桩复合地基相互作用变化规律刚性桩复合地基承载力设计计算方法。

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• The deformation mode of pile body composite foundation is systemic studied.

比较系统研究了复合地基变形模式

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• The common design methods of granular material pile composite foundation are discussed .

讨论了散体材料复合地基一般设计方法

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• The probability analysis method of the bearing capacity of composite pile foundation is investigated, which can push the developing of the reliability method of composite pile foundation.

研究复合桩基承载力可靠性分析方法复合桩基可靠性设计将起到积极的推动作用。

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• The probability analysis method of the bearing capacity of composite pile foundation is investigated, which can push the developing of the reliability method of composite pile foundation.

研究复合桩基承载力可靠性分析方法复合桩基可靠性设计将起到积极的推动作用。

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