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.
对地基土刚度调整后的中心布桩复合桩基土中附加应力的分布进行了有限元模拟。
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，桩-网复合地基比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。
This paper introduces the test results and calculative method by using the composite foundation of sand-stone pile and concrete pile with low strength.
本文通过试验与工程实践，介绍采用碎（砂）石桩及低强度混凝土桩组合构成复合地基的试验成果、计算方法及应用检测成果。
The relationship of composite foundation and ground treatment, composite foundation and double-layered foundation, composite foundation and composite pile foundation were studied.
分析了复合地基与地基处理、复合地基与双层地基、复合地基与复合桩基之间的关系。
The probability characteristics of bearing capacity of rigid pile composite foundation is analyzed.
对刚性桩复合地基承载力的概率特性进行了分析。
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.
根据沉管挤密碎石桩和CFG桩组合型地基的承载机理和特性，分析了该组合型复合地基承载力的计算方法。
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.
采用夯扩施工工艺和高强度的固体无机料是提高桩体承载力和复合地基承载力加固效果的重要环节。
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.
针对竖向传播的SV波作用下刚性桩复合地基的动力反应，在振型分解反应谱法的理论基础上，提出一种基于有限元分析的拟静力方法。
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桩复合地基是在原有的单一桩复合地基的工作机理、垫层效应、传力特性、应力分析的基础上提出的一种新型复合地基。
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，对碎石桩-CFG桩组合型复合地基的应用和设计计算方法进行了分析，提出了合理的计算方法。
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。
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。
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.
本文根据某高速公路软基处理中不同桩长的水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的有效桩长。
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.
建立了PC C桩复合地基优化设计的目标控制函数和两个约束条件：沉降控制条件和承载力校核条件。
The reinforcing soft soil construction technique of the combined composite foundation of cement-soil pile and concrete pile is studied in this paper.
研究了用粉喷桩与钢筋混凝土桩基组合型复合地基技术处理软土地基的施工工艺。
The long - short - pile composite foundation is a new type of foundation treatment.
长短桩复合地基是一种新型的地基处理形式。
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.
因具有良好的加固效果和经济效果，水泥搅拌桩复合地基广泛应用于软土地区的道路和房屋建筑地基处理领域。
The different distribution of pile reaction between pile groups composite foundation and composite pile foundation are studied, and some reasons are given.
研究了多桩复合地基与多桩复合桩基在桩顶反力分布上的不同，分析了出现差别的原因。
Some measures were proposed to improve the engineering quality of the composite foundation with deep mixing pile.
并对提高深层搅拌桩复合地基工程质量提出改进措施。
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桩复合地基的应力传递特性进行了分析；
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，结合分层总和法，编制了群桩沉降计算程序，并掘此对普通群桩和组合桩群桩性状和沉降计算进行研究。
The gravel pile and CFG pile composite foundation is tested, and the load-bearing test of CFG pile is made.
对碎石桩、CFG桩组合型复合地基进行了检验及CFG桩的载荷试验。
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.
同时指出了根据单桩静载试验结果计算组合型复合地基承载力时应注意的问题。
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.
结合后注浆技术在刚性桩复合地基工程中的应用，探讨后注浆技术提高刚性短桩承载力的作用机理。
The optimized design on the composite foundation of the stiff and half stiff pile by the cushion can be performed with this method.
利用该方法可对刚性、半刚性桩复合地基进行优化设计。
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.
本文通过静压小桩复合地基载荷试验及分析，研究了预制静压桩复合地基桩土相互作用变化规律及刚性桩复合地基承载力设计计算方法。
The deformation mode of pile body composite foundation is systemic studied.
比较系统的研究了桩体复合地基变形模式；
The common design methods of granular material pile composite foundation are discussed .
讨论了散体材料桩复合地基的一般设计方法。
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.
研究了复合桩基承载力可靠性分析的方法，这对复合桩基的可靠性设计将起到积极的推动作用。
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.
研究了复合桩基承载力可靠性分析的方法，这对复合桩基的可靠性设计将起到积极的推动作用。
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