| 京沪高速铁路饱和粉土液化特性试验研究 |
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| 引用本文： | 严栋,蒋关鲁,刘先峰,李华明.京沪高速铁路饱和粉土液化特性试验研究[J].岩土力学,2008,29(12):3337-3341. |
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| 作者姓名： | 严栋 蒋关鲁 刘先峰 李华明 |
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| 作者单位： | 西南交通大学 道路与铁道工程系，成都 610031 |
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| 基金项目： | 铁道部科技研究开发计划项目
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| 摘 要： | 饱和粉土地基在动荷载作用下的液化问题是高速铁路抗震设计中重要的研究内容。为了能够定量地分析京沪高速铁路饱和粉土地基在加固前后的抗液化强度和地震时的变形特性，在室内对加固前后两种不同密度的饱和粉土进行了3组围压条件下一系列振动三轴液化试验。试验研究获得了两种不同密度饱和粉土的抗液化强度曲线、动强度及超静孔隙水压力的增长规律，为进一步分析饱和粉土地基在加固前后的液化变形特性提供了科学数据。
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| 关 键 词： | 饱和粉土 抗液化强度 动三轴试验 地震 |
| 收稿时间： | 2007-03-15 |
Experimental research on liquefaction behavior of saturated silt for Beijing-Shanghai High-speed Railway |
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| YAN Dong,JIANG Guan-lu,LIU Xian-feng,LI Hua-ming.Experimental research on liquefaction behavior of saturated silt for Beijing-Shanghai High-speed Railway[J].Rock and Soil Mechanics,2008,29(12):3337-3341. |
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| Authors: | YAN Dong JIANG Guan-lu LIU Xian-feng LI Hua-ming |
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| Institution: | Department of Road and Railway Engineering, Southwest Jiaotong University, Chengdu 610031, China |
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| Abstract: | The liquefaction for saturated silty foundation under dynamic loading is the important research content in the domain of aseismic design of high-speed railway.To analyze the liquefaction resistance and deformation characteristics before and after reinforcing saturated silty ground of Beijing-Shanghai High-speed Railway,a series of dynamic triaxial tests are carried out under two different densities with three pressure conditions of saturated silt in the laboratory.The increasing law of liquefaction resistan... |
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| Keywords: | saturated silty soil liquefaction resistance dynamic triaxial test earthquake |
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