STABILITY ANALYSIS OF SUB-HORIZONTAL THICK-BEDDED SLOPE IN THREE GORGES RESERVIOR AREA: A CASE STUDY OF JIANCHUANDONG DANGEROUS ROCKMASS IN WUSHAN, CHONGQING

WANG Wen-pei; LI Bin; HUANG Bo-lin; ZHANG Nan; HAN Xiao

Volume 22 Issue 3

Sep. 2016

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Article Navigation > Journal of Geomechanics > 2016 > 22(3): 725-732

LI Fang-quan, 2011. REMOTE SENSING STRUCTURE ANALYSIS ON THE STRUCTURAL PROCESSES OF WENCHUAN AND YUSHU EARTHQUAKES: ANALYSIS OF AREA DANGEROUS OF EARTHQUAKE. Journal of Geomechanics, 17 (1): 41-54, 78.

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WANG Wen-pei, LI Bin, HUANG Bo-lin, et al., 2016. STABILITY ANALYSIS OF SUB-HORIZONTAL THICK-BEDDED SLOPE IN THREE GORGES RESERVIOR AREA: A CASE STUDY OF JIANCHUANDONG DANGEROUS ROCKMASS IN WUSHAN, CHONGQING. Journal of Geomechanics, 22 (3): 725-732.

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STABILITY ANALYSIS OF SUB-HORIZONTAL THICK-BEDDED SLOPE IN THREE GORGES RESERVIOR AREA: A CASE STUDY OF JIANCHUANDONG DANGEROUS ROCKMASS IN WUSHAN, CHONGQING

1.
China Institute of Geo-Environment Monitoring, Beijing 100083, China
2.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
3.
Wuhan Centre of China Geological Survey, Wuhan 430223, China

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Abstract

Abstract

Taking Jianchuandong dangerous rockmass in Wushan for an example, based on analyzsis of geological conditions, displacement of base and stress monitoring data, we summarized the present deformation and stress state of the dangerous rockmass, then found that the strength of it remaining reduce. Meanwhile, using FLAC^2D we set up four simulation conditions, including Initial natural, Initial saturation, critical sliding and destabilizing to research the rule of rock base and shale strip limestone when facing up rock slide. The results show that decreasing of base strength of argillaceous limestone will make dangerous rockmass in a state of critical sliding. Stability analysis of the above also provides a basis for further control of the design.
- Three Gorges Reservoir,
- sub-horizontal thick-bedding slope,
- Jianchuandong dangerous rockmass,
- factor of safety

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References

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STABILITY ANALYSIS OF SUB-HORIZONTAL THICK-BEDDED SLOPE IN THREE GORGES RESERVIOR AREA: A CASE STUDY OF JIANCHUANDONG DANGEROUS ROCKMASS IN WUSHAN, CHONGQING

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STABILITY ANALYSIS OF SUB-HORIZONTAL THICK-BEDDED SLOPE IN THREE GORGES RESERVIOR AREA: A CASE STUDY OF JIANCHUANDONG DANGEROUS ROCKMASS IN WUSHAN, CHONGQING

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