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。
According to a practical case of composite foundation in collapsible loess foundation, the squeezing effects on compaction pile by tamping are studied.
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。
The method of treating loess with lime soil compaction pile is economical.
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。
The foundation treatment of compaction pile method is applied in many power plant projects, especially lime-soil compaction-expansion pile method.
本文从理论上分析了生石灰—粉煤灰挤密桩硬化缓慢和强度低的原因。
The reason for low strength and hardening slowing of quick lime-coal ash extruding piles are analysed theoretically.
近年来，振动沉管碎石挤密桩在处理饱和黄土地基方面得到了相当广泛的应用。
In recent years, the close-packed macadam piles are widely used in dealing with saturated loess base.
其结果对于全面研究灰土挤密桩的综合作用效用，进一步节约材料有一定的参考价值。
The obtained results have practical value for comprehensively studying the function of the lime-soil compacted piles.
对超厚度强湿陷性黄土地基应用(灰)土挤密桩桩周土体密实度变化规律进行试验研究。
Dense degree of soil around lime soil compaction piles in huge thickness and serious collapsibility loess ground is investigated with experiments.
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。
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.
本文通过重锤冲孔夯扩垃圾挤密桩处理软弱地基工程实例介绍，对此方法进行了分析，并提出了改进意见。
By the construction example of garbage extruding pile impacted and rammed by a heavy hammer, the method is analyzed and some Suggestions are put forward.
对挤密桩挤密成孔过程中桩周土体的应力变化和随应力变化发生的桩间土体挤密效果的理论研究并不是很多。
There is few theoretical analysis and study about the soil stress variation and the soil compacted effect between piles when making holes.
介绍了采用10%水泥碎石稳定集料挤密桩加固已施工结束的台背回填土体的挤密原理、设计方案、施工要求及质量控制。
The compaction principle, design scheme, construction demand and quality control of bridge abutment backfill reinforcement using compaction piles that are stabilized with10%cement are introduced.
介绍了挤密碎石桩的施工方法和质量检测方法。
In this paper, the construction and quality inspection methods for the broken stone compaction pile are introduced.
推荐采用振冲挤密砂桩是较为经济合理的一种方法。
The vibroflotation sand compaction pile is an economical, reasonable ground treatment method, and it is recommended to use in this substation foundation.
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。
Combined with the construction practice, the paper introduced the principle, performance and design method of the liquefaction of vibrating sand compaction pile.
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。
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.
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。
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.
简要介绍了水上挤密砂桩的施工质量控制流程和要点。
The paper presents an elementary introduction to the quality control process and point of installation of sand compaction piles in water.
介绍了一种新型的挤密灰土桩即强力夯扩挤密灰土桩。
In this paper a new type compaction lime soil pile as strong force rammed expansion lime soil compaction pile is introduced.
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。
The compaction effect of artificially drilled lime-soil pile is not obvious comparing test results of soils between piles at different position.
等能量、等变形夯扩挤密矸石桩是一种地基加固新技术。
Practical construction shows that equal energy, equal deformation tamping a.
采用挤密成孔夯实水泥土桩复合地基处理湿陷性地基，可以有效地提高地基承载力同时消除地基的湿陷性。
It can eliminate the collapsibility of the foundation and improve the bearing capacity that adopts the tamping soil-cement pile through squeezing to form pore.
在现场试验基础上，研究沉管干振挤密抗拔防浮碎石桩在拉压循环荷载和拉拔循环荷载下单桩及其抗拔钢筋的性状。
Based on the in-situ tests, the behaviors of single diving dry-vibrated compacted and anti-pull stone column with steel bars are studied during the compression-uplift cyclic loading.
它通过高压泵送混凝土，对桩周土挤密渗透作用而形成的变截面桩。
This pile is with various sections though sending concrete with high pressure pump and the squeeze on the pile of soil compaction effect.
它通过高压泵送混凝土，对桩周土挤密渗透作用而形成的变截面桩。
This pile is with various sections though sending concrete with high pressure pump and the squeeze on the pile of soil compaction effect.
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