液化土

桩-液化土相互作用p-y曲线修正计算方法研究

Modified calculation method of p-y curves for liquefied soil-pile interaction

论述了碎石桩的作用机理，结合工程实际进行了液化土中CFG桩与碎石桩复合地基设计，并与实验结果进行了比较分析。

The function mechanism of gravel pile was described , the composite foundation with CFG pile and gravel pile in liquefying soil was designed in combination with project practice , and it was compared and analyzed with the experiment result .

将基于试验的p-y曲线与采用拟静力法和折减系数法计算出的p-y曲线进行对比分析，探讨目前规范中桩基动力响应分析所使用的p-y曲线在液化土条件下的合理性和适用性。

P-y curve based on the test and the p-y curves to be calculated by the static method and coefficient reduction method were analyzed . The rationality and applicability where p-y curve in liquefied soil conditions used pile dynamic response analysis of the specification are explored . 4 .

振冲碎石桩处理变电站可液化土

Treatment of Liquefied Soil at Substation with Vibrated Broken Stone Piles

地震作用下可液化土的数值模拟与试验验证

Numerical Simulation and Test Verification of Liquefiable Soil Under Seismic Action

液化土中海底管线的运动与受力分析

The Movement and Forcing Analysis on Subsea Pipeline under Liquefied Soil

可液化土中单桩地震响应的离心机试验研究

Centrifuge investigation on seismic response of single pile in liquefiable soil

液化土中桩基抗震设计现状

The Present Situation of Anti-seismic of Pile Foundation in Liquefying Soil

液化土中桩基础动力反应试验研究

Study on dynamic response of pile in liquefied soil layer

液化土振动过程中孔隙水压力变化分析

Analysis on opening water pressure changes in vibration process of liquidized soil

可液化土中地铁结构的地震响应

Earthquake induced liquefaction response of subway structure in liquefiable soil

地震作用下液化土对单桩的影响分析

Analysis of the liquefied soil effect on single pile under seismic action

群桩场地液化土单一流速横向流动数值分析

Numerical analysis of group piles model in lateral spreading of liquefied ground in unit velocity

基于动态土工离心模型试验来研究强震动条件下液化土同桩基础的相互作用问题。

Comparative research on reinforcement of thick soft clay ground based on centrifugal model tests ;

可液化土的勘察与评价初探

Investigation and Evaluation of Liquefying Soil

高速公路液化土与软土交互地基强夯法处理研究

Research on dynamic compaction treatment of foundation for expressway with interbedded liquefiable soil and soft soil

饱和可液化土中地下结构在强震作用下会由于土层液化而上浮，从而对地下结构造成破坏。

The underground structures in saturated liquefiable soils may be subjected to floatation due to earthquake induced liquefaction .

液化土对管道产生上浮力，使管道发生上浮反应，它是随地震发生时间而变化的动态过程。

It causes a floating force and leads to floating response that is a dynamic process varying with time .

应用非线性液固两相体动力有限元方法研究饱和可液化土中地下结构在水平地震作用下埋深的响应。

The different seismic responses of underground structures in liquefiable soil at different burial depths were studied using the nonlinear coupled finite element method .

液化土的弹簧刚度对管线的上浮反应影响很大，液化土的弹簧刚度降低会增大管线的上浮反应；

The spring stiffness of liquefied soil affects the floatation response of buried pipeline obviously and the floatation response will be increased when the spring stiffness of liquefied area reduces ;

以地下结构在土层震后固结过程中的垂直位移为重点，应用非线性动力两相体有限元方法研究饱和可液化土和地下结构相互作用体系在地震后土层固结过程中的响应。

Nonlinear coupled dynamic finite element method was used to investigate the response of the liquefiable soil - underground structure system , focusing on the vertical displacement of the underground structure .

沿线有大面积粉细砂液化土分布，多数都位于高烈度地震地区，在地震作用下这些地区的地基很可能发生液化。

There is large area with saturated silty-fine sand ground along the Kun-He railway . Most of them located in 8 degree earthquake region , and the ground is liquefiable under earthquake .

同时，通过对地层中超静孔隙水压、土体变形、应力路径、应力-应变关系的分析发现，截断墙的主要作用在于抑制可液化土的变形和流动。

After looking into the excess pore pressure , soil deformation , stress path as well as stress-strain relationship , the effects of the cutoff walls were identified as reducing the deformation and flow of the liquefiable soil .

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 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 .

一种新的碎石桩法处理液化粉土地基的设计方法

A new design method for gravel pile treatment in liquescent silt ground

银川饱和液化软土地基强夯处理技术

Heavy-tamping treatment for saturated liquefying soft foundation in Yinchuan area

液化场地土中埋设管线的上浮反应分析

Analysis for floating response of buried pipeline in liquefied soil

在液化粉土中标准贯入与微型贯入试验的关系研究

The Research of the Relation between In-situ SPT and Laboratory MPT for the Liquefacient Silt

强夯法成桩改良饱水软弱土地基探讨长庆油田银川基地饱和液化软土地基强夯处理技术

A Discussion on the Improving of Saturated Soft Ground by Dynamically Compacted Sand-cobble Columns On Disposal of Water Saturated soft Ground Foundation of Yinchuan Base of Changqing Oil Field

在高烈度地震区、软弱地基及液化场地土上建设大型煤场，合理的地基处理方案选择将直接影响处理效果和工程的顺利进展。

Reasonable ground treatment scheme selection will direct affect treatment purpose and project schedule when constructing large coal yard on soft and liquefiable ground in a highly seismic area .