强震条件下双面坡变形破坏机理的振动台物理模拟试验研究

肖锐铧 许强 冯文凯 陈建君 左雅娅

肖锐铧, 许强, 冯文凯, 陈建君, 左雅娅. 2010: 强震条件下双面坡变形破坏机理的振动台物理模拟试验研究. 工程地质学报, 18(6): 837-843.
引用本文: 肖锐铧, 许强, 冯文凯, 陈建君, 左雅娅. 2010: 强震条件下双面坡变形破坏机理的振动台物理模拟试验研究. 工程地质学报, 18(6): 837-843.
XIAO Ruihua, XU Qiang, FENG Wenkai, CHEN Jianjun, ZUO Yaya. 2010: SHAKING TABLE SIMULATION EXPERIMENT ON DEFORMATIONFAILURE MECHANISM OF DOUBLESIDES SLOPE IN CONDITION OF INTENSE EARTHQUAKE. JOURNAL OF ENGINEERING GEOLOGY, 18(6): 837-843.
Citation: XIAO Ruihua, XU Qiang, FENG Wenkai, CHEN Jianjun, ZUO Yaya. 2010: SHAKING TABLE SIMULATION EXPERIMENT ON DEFORMATIONFAILURE MECHANISM OF DOUBLESIDES SLOPE IN CONDITION OF INTENSE EARTHQUAKE. JOURNAL OF ENGINEERING GEOLOGY, 18(6): 837-843.

强震条件下双面坡变形破坏机理的振动台物理模拟试验研究

基金项目: 

国家重点基础研究发展计划课题(2008CB425801)、地质灾害防治与地质环境保护国家重点实验室 科技减灾、重建家园专项基金(DZJK0811)联合资助

详细信息
    作者简介:

    肖锐铧,工程地质专业.Email:xiaoruihua0316@126.com

  • 中图分类号: P642

SHAKING TABLE SIMULATION EXPERIMENT ON DEFORMATIONFAILURE MECHANISM OF DOUBLESIDES SLOPE IN CONDITION OF INTENSE EARTHQUAKE

  • 摘要: 512汶川地震引发了数以万计的崩塌、滑坡、泥石流等地质灾害。为了研究双面坡在强震条件下的动力响应规律,本文在大量野外调查的基础上,采用振动台物理模拟试验手段,设计完成了四类11个模型试验,从改变模型的坡度和坡顶宽度、软岩硬岩结合、阶梯状坡形等角度,较系统地研究了双面坡在强震作用下的响应规律。试验结果显示:强震条件下地震水平惯性力是导致边坡破坏的主要原因; 在地震情况下边坡变形破坏表现出明显的初动破坏效应; 振动过程中双坡具有明显的共剪效应,坡面为阶梯状时其共剪效应更明显; 坡体结构为上软下硬时下部硬岩对振动具有一定的放大效应,上硬下软时坡体易整体偏移产生变形破坏。试验结论与实际情况基本符合。
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出版历程
  • 收稿日期:  2009-11-18
  • 修回日期:  2010-04-08
  • 刊出日期:  2010-12-25

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