COUPLING BETWEEN ENDOGENIC AND EXOGENIC GEOLOGICAL PROCESSES IN THE WENCHUAN EARTHQUAKE AND EXAMPLE ANALYSIS OF GEO-HAZARDS

ZHANG Yong-shuang; SHI Ju-shong; SUN Ping; YAO Xin

Volume 15 Issue 2

Jun. 2009

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Article Navigation > Journal of Geomechanics > 2009 > 15(2): 131-141

ZHANG Yong-shuang, SHI Ju-shong, SUN Ping, et al., 2009. COUPLING BETWEEN ENDOGENIC AND EXOGENIC GEOLOGICAL PROCESSES IN THE WENCHUAN EARTHQUAKE AND EXAMPLE ANALYSIS OF GEO-HAZARDS. Journal of Geomechanics, 15 (2): 131-141.

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COUPLING BETWEEN ENDOGENIC AND EXOGENIC GEOLOGICAL PROCESSES IN THE WENCHUAN EARTHQUAKE AND EXAMPLE ANALYSIS OF GEO-HAZARDS

ZHANG Yong-shuang^{1, 2
,},
SHI Ju-shong^{1, 2},
SUN Ping^{1, 2},
YAO Xin^{1, 2}

1.
Key Lab of Neotectonic and Geohazard MLR, Beijing 100081, China
2.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China

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Abstract

Abstract

The endogenic and exogenic geological processes are two indispensable processes for geo-hazard occurrence.However, only was exogenic geological process widely emphasized in the past, while the coupling between endogenic and exogenic geological processes were only presented in formations of experiential judges and qualitative studies.The M_S8.0 Wenchuan earthquake provides a good chance to further study coupling processes between endogenic and exogenic geologic processes when it resulted in inestimable casualties and property losses.This paper summarizes the general manifestations of coupling processes in mountainous area, e.g.the couplings between active fault and weathering, rock-soil mass structure and deformation failure, geomorphology and seismic force, seismic force and groundwater.An analysi has been made on the relationships between various geological processes and their results during seismic landslide occurrence, which will be of certain guiding significance for understanding seismic geo-hazard mechanism and its development regularity.
- Wenchuan Earthquake,
- endogenic and exogenic geological processes,
- coupling process,
- geohazard,
- landslide

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