The method of treating loess with lime soil compaction pile is economical.
用（灰）土挤密桩处理地基完全可以达到以土治土、节约成本的目的。
In this paper, the construction and quality inspection methods for the broken stone compaction pile are introduced.
介绍了挤密碎石桩的施工方法和质量检测方法。
It shows that bearing capacity of the Ram-compaction with composite bearing base is 3.4 times common Ram-compaction pile;
试验表明：复合载体夯扩桩承载力是无复合载体桩的3.4倍；
In this paper a new type compaction lime soil pile as strong force rammed expansion lime soil compaction pile is introduced.
介绍了一种新型的挤密灰土桩即强力夯扩挤密灰土桩。
The foundation treatment of compaction pile method is applied in many power plant projects, especially lime-soil compaction-expansion pile method.
挤密桩法地基处理在电力工程中广泛应用，特别是灰土挤密夯扩桩法。
According to a practical case of composite foundation in collapsible loess foundation, the squeezing effects on compaction pile by tamping are studied.
通过现场试验对夯扩挤密桩加固湿陷性黄土地基的机理进行研究。
The vibroflotation sand compaction pile is an economical, reasonable ground treatment method, and it is recommended to use in this substation foundation.
推荐采用振冲挤密砂桩是较为经济合理的一种方法。
Combined with the construction practice, the paper introduced the principle, performance and design method of the liquefaction of vibrating sand compaction pile.
结合振动挤密碎石桩公路工程中的应用实例，介绍了振动挤密碎石桩抵抗砂土液化的原理、性能和设计方法。
By analyzing the problems existed in the process of measurement he deep mixing pile and the ram compaction piles with composite bearing base, measures are put forward.
通过对深层搅拌桩和复合载体夯扩桩施工过程可能出现的问题分析，提出了可行的预防措施。
The ram-compaction pile with composite bearing base is a new type of technology, which has the characters of high bearing capacity and convenient construction process.
复合载体夯扩桩是一项新技术，它承载力高、施工简便、适用范围广。
Design and inspection of lime-soil and soil compaction pile composite foundation are analyzed according to action principle of lime-soil and soil compaction piles in collapsible loess foundation.
系统地介绍了挤密砂桩加固软弱地基的原理和作用，并结合包西铁路第二标段的实践，阐述了施工中存在的问题及解决办法。
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。
Technology and mechanism of compaction grouting used in bored pile base grouting to enhance the bearing capacity are discussed.
对压密灌浆法用于桩底灌浆提高钻孔灌注桩承载力的工艺和机理进行了探讨。
Using the prestressed concrete in the pile construction is prone to cause compaction effect which will affect the project quality.
在管桩施工中使用预应力混凝土容易出现挤土效应，影响工程质量。
The compaction effect of artificially drilled lime-soil pile is not obvious comparing test results of soils between piles at different position.
通过对不同位置的桩间土的物理力学性能的试验比较，表明人工成孔挤密灰土桩对桩周土的挤密效果不明显。
Combined with project cases, successful experience of soft soil foundation treatment with dynamic compaction gravel pile and attentions in construction are summarized.
结合工程实例，总结了强夯碎石桩处理软土地基的成功经验及施工中应注意的问题。
Thus it is significant in engineering application and latent economy benefit to study the destruction model, compaction mechanism and the design theories and methods of rammed expanded pile.
因此，深入探讨夯扩桩破坏模式，夯扩桩承载机理以及其设计计算理论和方法等具有重要的工程意义及潜在的经济效益。
In this paper research results are reviewed on compaction effect of jacked pile, specially on in-situ and laboratory experiments, the theory of cavity expansion and finite element method.
本文对压桩挤土效应方面的研究成果进行了综述，重点讨论了室内和现场试验、圆孔扩张理论、有限元计算的研究概况。
Model tests of large driven pile jacked into sands were conducted to obtain the soil density changes due to the compaction.
通过砂土中的大型沉桩模型试验，得出了桩周土体相对密度的变化规律。
Distribution rules of soil compaction effect, caused by pile driving to different diameter piles.
不同桩径的桩体沉桩时引起的挤土效应分布及变化规律。
Different diameter piles are simulated. The soil compaction effect of different pile diameter is compared and analyzed.
采用不同桩径模拟桩体，对比分析了不同桩径的桩体挤土效应结果。
Different diameter piles are simulated. The soil compaction effect of different pile diameter is compared and analyzed.
采用不同桩径模拟桩体，对比分析了不同桩径的桩体挤土效应结果。
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