| 碎石桩加固饱和粉土地基的抗液化特性 |
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| 引用本文： | 黄春霞,隋志龙,陈国兴. 碎石桩加固饱和粉土地基的抗液化特性[J]. 防灾减灾工程学报, 2011, 31(1): 107-110 |
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| 作者姓名： | 黄春霞 隋志龙 陈国兴 |
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| 作者单位： | 南京工业大学土木工程学院,南京,210009 |
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| 基金项目： | 交通运输部西部交通建设科技项目，南京工业大学学科基金 |
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| 摘 要： | 除饱和砂土液化外,饱和粉土地震液化问题也是岩土地震工程中一个重要的研究课题.饱和粉土地基的地震液化及变形可以采用多种地基加固方法防治,碎石桩技术是常用方法之一.碎石桩复合地基的抗液化效应,主要是增加桩周土体的密度、利于桩体的排水以及由桩体分担地震水平剪应力(桩体减震作用).但由于粉土的土质特性,粉土-碎石桩复合地基的抗...
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| 关 键 词： | 碎石桩复合地基 饱和粉土 抗液化 |
Characteristics of Liquefaction Resistance for Stone Columns Treated in Saturated Silt Ground |
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| HUANG Chun-xia,SUI Zhi-long,CHEN Guo-xing. Characteristics of Liquefaction Resistance for Stone Columns Treated in Saturated Silt Ground[J]. Journal of Disaster Prevention and Mitigation Engineering, 2011, 31(1): 107-110 |
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| Authors: | HUANG Chun-xia SUI Zhi-long CHEN Guo-xing |
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| Affiliation: | HUANG Chun-xia,SUI Zhi-long,CHEN Guo-xing (College of Civil Engineering,Nanjing University of Technology,Nanjing 210009,China) |
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| Abstract: | Liquefaction of saturated silt is still an important topic remaining in geotechnical earthquake engineering besides liquefaction of sands.The risk of liquefaction and associated ground deformation can be reduced by various ground-improvement methods including the stone column technique.The effectiveness of stone columns for the prevention of soil liquefaction during an earthquake is often threefold:densification, drainage and the reduction of the total cyclic shear stress in the soil.However,there are obvio... |
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| Keywords: | composite foundation of stone columns saturated silt liquefaction resistence |
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