竖向排水体施工具有挤土效应。
The construction of vertical drainage bodies causes compacting effect.
夯扩桩在成桩过程中会产生挤土效应。
Compacting effect is caused in forming process of ramming expanded piles.
利用数字图像技术，再现了沉桩挤土效应。
The hole expansion effect of soil is studied by means of digital image technique.
通过工程实例，分析了挤土效应对成桩质量的影响。
The paper analyzes the effect of earth pushing on the quality of pile being through engineering example.
通过设置静力释放孔、预钻孔取土减小压桩挤土效应。
Earth extrusion effect is alleviated by setting static force release perforations and pre-bored perforations during pile pressing.
采用数值方法对表面约束下的沉桩挤土效应进行了研究。
Based on the numerical method, the effect of squeezing soil due to pile driven in soft clay and restrained on surface was researched.
不同桩径的桩体沉桩时引起的挤土效应分布及变化规律。
Distribution rules of soil compaction effect, caused by pile driving to different diameter piles.
桩位处预钻孔是工程中减弱沉桩挤土效应的有效措施之一。
Prebored hole is an effective construction measure of reducing compacting effects of jacked piles.
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。
Using the prestressed concrete in the pile construction is prone to cause compaction effect which will affect the project quality.
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.
因此，对排土桩的挤土效应及其防治措施的研究无疑具有非常重要的工程意义。
So the study on the compacting effects of displacement pile and the measurements which can decrease it will be very meaningful to practice.
为了控制挤土效应，本文提出了一种新型的防挤土措施一搅动土应力释放沟墙。
In order to control soil compaction effects, a novel measure called 'the disturbed soil wall for stress release' is presented here.
由于桩基础的大规模应用，静压桩挤土效应对周围环境产生的影响广泛引起了人们的注意。
Due to the wide application of pile foundation, the compacting effect caused by the penetration of jacked pile has influence on the surrounding environment, which have been widely drawn attentions.
分析了根式基础的受力机理，探讨了根键的挤土效应及抗弯特性对提高基础承载力的作用。
The mechanism of vertical bearing capacity root foundation was analyzed, and the improvement of bearing capacity due to the soil compaction and the bending resistance of roots was discussed.
最后结合工程实践，提出了防治或减轻挤土效应对周围工程环境影响的一些有效实用的措施。
On the basis of the engineering practice, several efficient and practical measures to prevent or weaken the effect on surrounding engineer are put forward.
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。
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.
分析了软土地基中静压桩的挤土效应机理，依据圆孔扩张理论和有效应力原理，推导出塑性区影响范围、桩对土体的挤压应力、孔隙水压力估算公式等。
The radius of plastic area, the maximum compress stress caused by driving pile , and the pore water stress can be concluded by using the cavity expansion method and the effective stress theory.
从挤土效应及振动影响、浅层障碍、斜桩、桩身破坏等方面总结了静压预应力管桩施工中的常见问题，并分析了产生的原因，介绍了预防措施，以提高桩的合格率。
What's more, bearing capacities of partially inclined piles, inclined pile-groups and partially inclined piles due to pit excavation are also studied based on the parameters from the back analysis.
在此基础上，结合拉格朗日插值函数推导出了考虑施工顺序及遮栏效应的群桩挤土位移场的解析解。
Based on the analytical expressions of singe pile and Lagrange interpolating function, the closed-form analytical expressions of displacement fields of soil around jacked group piles were derived.
在此基础上，结合拉格朗日插值函数推导出了考虑施工顺序及遮栏效应的群桩挤土位移场的解析解。
Based on the analytical expressions of singe pile and Lagrange interpolating function, the closed-form analytical expressions of displacement fields of soil around jacked group piles were derived.
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