ASSESSMENT OF CRUSTAL STABILITY IN THE QINLING-DABA REGION

HAN Jin-liang; WU Shu-ren; TAN Cheng-xuan; LI Dong-lin; SHI Ling

Volume 13 Issue 3

Sep. 2007

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HAN Jin-liang, WU Shu-ren, TAN Cheng-xuan, et al., 2007. ASSESSMENT OF CRUSTAL STABILITY IN THE QINLING-DABA REGION. Journal of Geomechanics, 13 (3): 278-288.

Citation:

HAN Jin-liang, WU Shu-ren, TAN Cheng-xuan, et al., 2007. ASSESSMENT OF CRUSTAL STABILITY IN THE QINLING-DABA REGION. Journal of Geomechanics, 13 (3): 278-288.

Citation:

HAN Jin-liang, WU Shu-ren, TAN Cheng-xuan, et al., 2007. ASSESSMENT OF CRUSTAL STABILITY IN THE QINLING-DABA REGION. Journal of Geomechanics, 13 (3): 278-288.

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ASSESSMENT OF CRUSTAL STABILITY IN THE QINLING-DABA REGION

Institute of Geomechanics, Chinese Academy of Geological Science, Beijing 100081, China

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Abstract

Abstract

The Three Gorges reservoir water-diversion project is a new line of the south-north water diversion project.There are six major factors affecting the crustal stability in the region :crustal structure, present tectonic stress fields, tectonic framework, fault activity, earthquake activity and rock properties. The authors select dominant conditions affecting regional crust stability as evaluating factors to construct a fuzzy evaluation model.Based on the above-mentioned six factors and by using the fuzzy evaluation model, the authors evaluate the crustal stability of the Qinling-Daba region.The results show that the Qinling-Daba region has a higher degree of crustal stability and is and suitable for the large water diversion project.
- Qinling-Daba region,
- Three Gorges reservoir water-diversion project,
- crustal stability evaluation

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