scholarly journals STABILITY ANALYSIS OF A ROCKY SLOPE CONSIDERING EXCAVATION UNLOADING EFFECT

2020 ◽  
Vol 29 (2) ◽  
pp. 170-181
Author(s):  
Chuan Zhao ◽  
Linlin Jiang ◽  
Xiaopeng Li ◽  
Simin Luo
Keyword(s):  
Stability Analysis ◽  
Rocky Slope ◽  
Unloading Effect

Stability analysis of high and steep slope considering excavation unloading effect

2010 ◽  
pp. 933-939
Author(s):  
Lehua Wang ◽  
Jianlin Li ◽  
Huafeng Deng ◽  
Mei Han ◽  
Qiufeng Huang
Keyword(s):  
Stability Analysis ◽  
Steep Slope ◽  
Unloading Effect ◽  
High And Steep Slope

Stability Analysis of Unloading Slope by Interface Element Method

2012 ◽  
Vol 226-228 ◽  
pp. 1462-1466 ◽  
Author(s):  
Ying Xue Sun ◽  
Song Chen ◽  
Shuai Ran Cheng
Keyword(s):  
Rock Mass ◽  
Stability Analysis ◽  
Rock Slope ◽  
Interface Element ◽  
Rocky Slope ◽  
Natural Rock ◽  
Site Monitoring ◽  
The Difference ◽  
The Stability ◽  
Element Method

Mechanics behavior of unloading rock slope is essentially different from the natural rock slope . But, stability analysis of rocky slope during and after excavating still need these parameters and constitutional relation came from the natural rock slope, thus, the difference between the unloading rock mass and natural rock mass is neglected. The calculation result is quite different from the monitoring result. In order to analyze the stability of unloading rock slope properly, corresponding mechanics parameters including mechanics state, unloading degree and others should be determined and applied. In this paper, IEM - Sample Element Method and Interface Element Method expounded systematically and used to determine the corresponding mechanics parameters of a layered rock slope- Xishan slope of the Jiangyin Yangtze River Bridge. Then, IEM computer program based on Interface Element Method used to calculate the displacement of Xishan slope. Compare with displacement site-monitoring results, IEM is better than Finite Element Method.

Excavation unloading effect in rock wedge stability analysis

1977 ◽  
Vol 14 (2) ◽  
pp. 258-262 ◽  
Author(s):  
E. C. Kalkani
Keyword(s):  
Stability Analysis ◽  
External Force ◽  
Factor Of Safety ◽  
Stress Coefficient ◽  
The Stability ◽  
Rock Wedge ◽  
Range Of Values ◽  
Unloading Effect

The stability of a rock wedge resting on two intersecting discontinuities is examined under excavation unloading forces. The variation of the factor of safety as well as the external force required to restore a certain factor of safety is examined for a range of values of ambient stress coefficient and for a variation in the distance of a crack from the cut face of the wedge.

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