Bedding cushion is an important part in CFG pile Composite Foundation.
褥垫层是CFG桩复合地基的重要组成部分。
CFG pile composite foundation is a new ground improvement method for soft clay.
CF G桩复合地基是一种新型的软弱地基处理方法。
The CFG pile first time applies in this city high-rise construction ground treatment.
CFG桩第一次应用于该市高层建筑的地基处理。
This article mainly expounds the construction process of soft foundation treatment CFG pile of freeway.
本文主要阐述高速公路软基处理CFG桩施工技术。
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。
Pressure pumped CFG pile by continuous auger drilling is a new technology of CFG pile composite foundation.
长螺旋钻管内泵压CFG桩，是一项CF G桩复合地基新技术。
It was a beneficial attempt that the CFG pile compound base technology had been applicated in deep soil so...
采用CFG桩复合地基技术处理高速公路桥头深厚软土地基是一种有益的尝试。
The stress ratio of CFG pile and soil which cushion used medium-coarse sand gravelly sand or cobbles has been studied.
利用载荷试验研究了CFG桩桩顶的中粗砂、砾砂、碎石褥垫层的桩上应力比。
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；
The CFG pile construction method was introduced. Quality of CFG pile was analyzed. The CFG complex base bearing test was carried on.
介绍了CFG桩的施工方法，分析了CFG桩的成桩质量，同时进行了CFG复合地基承载力试验。
Relatively, that of CFG pile composite foundation under flexible foundation (subgrade for example) is immature now, and need further research.
柔性基础(路堤)下CF G桩复合地基的理论分析和设计方法尚不成熟。
The article recounts the calculation keys and design process of composite ground with gravel pile and CFG pile in load-bearing capacity and deformation.
阐述碎石桩加cfg桩复合地基的设计过程，在满足承载力、变形方面阐述了碎石桩加cfg桩复合地基的计算要点。
So under the condition of flexible foundation, the optimization of cushion thickness of CFG pile composite foundation with caps is of great significance.
因此，对于柔性基础条件下CFG桩桩帽复合地基褥垫层厚度的优化十分有意义。
The improvement toward construction technology of CFG pile has prolonged its effective working time in low temperature environment which ensures the pile quality.
通过对CFG桩施工工艺的改进，延长其在低温环境下施工的有效作业时间，保证了成桩质量。
The paper introduces a new technology of CFG pile-pressure grouting of long helical drilling hole, and analyses design, service scope and development trend of CFG pile.
介绍了CFG桩的一种新的成桩工艺——长螺旋钻孔压力灌浆法，对CFG桩的设计、使用范围和发展趋势作了分析。
The paper introduces the succeed experience of soft and liquefaction foundation treated by CFG pile and crushed stone pile by means of vibration pile sinking technology.
本文介绍了某工程采用振动沉管工艺进行CFG桩与碎石桩联合处理软弱、液化地基的成功经验。
However, embankment is regarded as a kind of flexible base in these projects, which is different from the assumption of rigid foundation of CFG pile composite technique.
近年来CF G桩复合地基技术在公路工程的软基处理中得到了应用，而在这些工程中路堤是一种柔性基础，与CF G桩复合地基技术的刚性基础假设不同。
Test results show that composite foundation scheme of the post grouting CFG pile satisfies requirements of design, which proves that this scheme has good economic benefit.
检测结果表明，该后压浆CFG桩复合地基满足设计要求，具有良好的经济效益。
Abstract: : this paper introduces a CFG pile composite foundation construction technology, construction technical requirements and construction are the main problems and solutions.
摘要：介绍了CFG桩复合地基的施工工艺、施工技术要求以及施工中存在的主要问题及解决措施。 。
The application of gravel pile and CFG pile composite foundation in foundation treatment of liquefaction of sand and soil in seismic area is introduced combined with engineering example.
结合工程实例，介绍了在高地震区砂土液化地基土处理中，应用碎石桩、CFG桩组合型复合地基。
The results of plate loading test and low strain dynamic testing show that the quality of CFG pile composite foundation is good and subgrade bearing capacity has been improved successfully.
现场载荷试验及反射波法低应变动力检测试验表明，CFG桩桩身完整性很好，复合地基的承载力提高显著，证明该工程的CFG桩复合地基设计及施工是成功的。
The composite foundation of CFG pile and sandstone pile has been adopted based on calculation and scheme comparison and it is the first time for such technology to be used in domestic project.
通过计算及方案比较，采用了CFG桩与碎石桩组合型复合地基，此种地基加固处理在国内尚属首次。
CFG pile is short for the cement fly-ash gravel pile, which is mixed to a high bond strength pile with sand and water. CFG pile composite is formed by CFG pile, the soil between piles and cushion.
CFG桩是水泥粉煤灰碎石桩的简称，它是由水泥、粉煤灰、碎石、石屑和砂加水拌合形成的高粘结强度桩，和桩间土、褥垫层一起形成复合地基。
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。
It is shown that the thickness and material of cushion have great influence on the bearing capacity of composite foundation with CFG pile in loading test, and there is a match problem between them.
认为垫层厚度和材料对CFG桩复合地基的承载力性状有很大影响，两者之间有个匹配问题。
At last the law of reciprocity of the pile and soil of the soft soil ground treated by pile-raft structure are obtained, which validates and enriches current theory of the CFG pile composite ground.
最后得出了CFG桩筏结构处理软土地基的桩土相互作用的相关规律，验证并丰富了当前CF G桩复合地基理论。
Designed model established by ANSYS program is used to analyze the loading behavior of the CFG pile composite foundation such as vertical displacement, stress and character of destructive capability.
利用ANSYS有限元程序建立模型，对CFG桩复合地基承载性状(竖向位移、应力分布、破坏特点等)进行了分析。
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。
Mostly, the soft foundation of the modern high-speed railway is strengthened with pile CFG in order to meet the demands of the intensity, deformation and seismic resistance of the foundation.
为了满足地基强度、变形及抗震等要求，现代高速铁路软基处理大多数采用CFG桩进行加固。
Mostly, the soft foundation of the modern high-speed railway is strengthened with pile CFG in order to meet the demands of the intensity, deformation and seismic resistance of the foundation.
为了满足地基强度、变形及抗震等要求，现代高速铁路软基处理大多数采用CFG桩进行加固。
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