Experimental research on seismic failure mode and supporting for slope of bedrock and overburden layer

ZHAO An-ping; FENG Chun; LI Shi-hai; AI Chang; LIU Yang

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Experimental research on seismic failure mode and supporting for slope of bedrock and overburden layer

更新时间：2026-06-25

- Experimental research on seismic failure mode and supporting for slope of bedrock and overburden layer
- Vol. 33, Issue 2, (2012)
- 作者机构：
  
  1. 中国科学院力学研究所,北京,100190
  2. 中国科学院地质与地球物理研究所,北京,100029
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU457
- Online First：14 February 2012，
  
  Published：2012
- 稿件说明：
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ZHAO An-ping, FENG Chun, LI Shi-hai, et al. Experimental research on seismic failure mode and supporting for slope of bedrock and overburden layer[J]. 2012, 33(2).
DOI：

ZHAO An-ping, FENG Chun, LI Shi-hai, et al. Experimental research on seismic failure mode and supporting for slope of bedrock and overburden layer[J]. 2012, 33(2). DOI：

摘要

以汶川灾区实地考察资料为背景，选择宇宫庙滑坡为参照，制作了模型试验台，在量纲分析的基础上，对主要参数做了相似理论研究，并采用水下爆炸的方式来模拟地震波（近场）进行了大量模型试验。结果表明：基覆边坡在地震力作用下的破坏模式是浅表层张拉而导致表层松散体流坍，且地震加速度随着药量（地震烈度）的增加而呈递增趋势，重力墙、桩板墙等支挡结构对于基覆边坡的作用明显。其结论将为铁路、公路沿线的高陡边坡分析和研究提供一定的依据。

Abstract

According to the site investigation of Wenchuan disaster area’s statistics data as the background

the experiment model is made selecting Yugongmiao slope as the reference. The similarities of main parameters are analyzed based on dimensional analysis. The underwater blasting is used to simulate seismic wave (near-field)

and a large number of model tests are conducted. The results show that the failure model of bedrock and overburden layer slope under seismic loading is surface loose media flowing caused by the tension of superficial layer

and with the increase of explosives (seismic intensity)

seismic accelerations increase. It is very useful to design of gravity retaining wall and pile-wall structures. These conclusions can provide some bases for analysis and research of high-steep slopes along railways and highways.

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