Study of spatial effect and stability of large scale soil-rock mixture landslide

XU Wen-Jie

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Study of spatial effect and stability of large scale soil-rock mixture landslide

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- Study of spatial effect and stability of large scale soil-rock mixture landslide
- Vol. 30, Issue S2, (2009)
- 作者机构：
  
  中国水利水电科学研究院岩土工程研究所,北京,100044
- 作者简介：
- 基金信息：
- DOI：
  CLC： P642.22
- Online First：21 June 2011，
  
  Published：2009
- 稿件说明：
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XU Wen-Jie. Study of spatial effect and stability of large scale soil-rock mixture landslide[J]. 2009, 30(S2).
DOI：

XU Wen-Jie. Study of spatial effect and stability of large scale soil-rock mixture landslide[J]. 2009, 30(S2). DOI：

摘要

土石混合体滑坡是滑坡地质灾害中具有代表性的一类，由于该类滑坡在自然界中分布广泛并且较其他类型的滑坡更为复杂，常常给人类带来巨大的灾难。位于湖北省巴东县长江北岸的周家湾滑坡就属于这一类滑坡，该滑坡是著名的黄蜡石古滑坡群的重要组成部分。周家湾滑坡变形开始于20世纪80年代中期，滑坡导致地面出现张拉裂缝，近几年来变形逐步加剧，目前该滑坡处于蠕滑阶段。周家湾滑坡前缘为石榴树包滑坡的后壁，后缘为响石镐滑坡的坡脚，因此，周家湾滑坡的稳定性对响石镐滑坡及石榴树包滑坡存在着潜在的威胁。运用地质分析、工程地质力学分析等手段，剖析了周家湾滑坡体的地质环境、形态、结构等空间要素及其发育模式，并建立了相应的三维地质体概念模型。通过利用数值模拟技术，对滑坡体的稳定性、变形失稳机制进行了分析研究

Abstract

Soil-rock mixture landslide is a representational geological disaster of landslide. This landslide is broadly distributed in nature

and it is more complex than other landslides

it often brings huge calamity to human. Zhoujiawan landslide which is located on the north bank of Yangtze River

Country Badong

Hubei Province

China

belongs to this type of landslide

It is a very important part of the Huanglashi ancient landslide group. The obvious deformation of the landslide began in the middle age of 1980s

and at that time the deformation of the landslide induced many cracks on the ground. Now the deformation of the landslide is pricking up

and it is on the creep stage. The existence of Zhoujiawan landslide is a potential threat because there is a Shiliushubao landslide at the front of Zhoujiawan landslide. The special factors like geological surrounding

shape

structure and evolvement of the landslide are analyzed by means of geological analysis and engineering geomechanics. The three-dimesional geological model is also established. The stability of the landslide and the failure mechanism are studied through the numerical simulation technique

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Related Institution

Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

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State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

Institute of Geotechnical Engineering, Zhejiang University

Key Laboratory of Soft and Geoenvironmental of Ministry of Education, Zhejiang University

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