MAIN TYPES AND DEVELOPMENT LAW OF GEO-HAZARDS IN THE MIANNING PART OF YAAN-XICHANG EXPRESSWAY

ZHANG Rui-duan; GUO Chang-bao; SUN Jin-zhong; ZHANG Yong-shuang; FU Xiao-xiao; WANG Xi-hai

2013 Vol. 19, No. 4

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Article navigation > Journal of Geomechanics > 2013 > 19(4): 364-376

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ZHANG Rui-duan, GUO Chang-bao, SUN Jin-zhong, ZHANG Yong-shuang, FU Xiao-xiao, WANG Xi-hai. MAIN TYPES AND DEVELOPMENT LAW OF GEO-HAZARDS IN THE MIANNING PART OF YAAN-XICHANG EXPRESSWAY[J]. Journal of Geomechanics, 2013, 19(4): 364-376.

Citation:

MAIN TYPES AND DEVELOPMENT LAW OF GEO-HAZARDS IN THE MIANNING PART OF YAAN-XICHANG EXPRESSWAY

1.
School of Engineering and Technology, China University of Geosciences, Beijing 100083, China
2.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China

Received Date: 18 June 2013

Publish Date: 25 December 2013

Abstract

Abstract

On the foundation of data collecting and field geological survey, main geo-hazard types and development law in the Mianning part of Yaan-Xichang expressway have been summarized to prevent disasters caused by collapses, landslides, debris flows. Studies showed that the main geo-hazard types in the study area were landslide and debris flow, with taking debris flow as the main content. They were characterized by wide distribution, high density and great harmfulness. In space and time, they were group-occurring and concentrative inducing. Geological structure, neotectonic movement and formation lityology were inherent effect factors of frequent occurring of such geo-hazards as collapses, landslides and debris flows in the Mianning part of Yaan-Xichang expressway. Rainfall, earthquake and human engineering activities were most important inducing factors of the geo-hazards.
- Mianning part of Yaan-Xichang expressway /
- geo-hazards /
- development law

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References

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