基于D-S证据理论—正态隶属度的岩土边坡稳定性评价
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徐金国,戴兴国,闫泽正
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Stability Evaluation of Rock-soil Slope Based on D-S Evidence Theory and Normal Degree of Membership
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Jinguo XU,Xingguo DAI,Zezheng YAN
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表2 单因素边坡稳定性评价标准
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Table 2 Assessment criteria for slope stability with single factor
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评价指标 | 各稳定性级别对应的指标值 | Ⅰ | Ⅱ | Ⅲ | Ⅳ | Ⅴ | 内摩擦角/(°) | 37~45 | 29~37 | 21~29 | 13~21 | 0~13 | 黏聚力/MPa | 0.22~0.32 | 0.12~0.22 | 0.08~0.12 | 0.05~0.08 | 0~0.05 | 弹性模量/MPa | 33~60 | 20~33 | 6~20 | 1.3~6 | 0~1.3 | 边坡高度/m | 0~30 | 30~45 | 45~60 | 60~80 | 80~100 | 边坡角度/(°) | 0~10 | 10~20 | 20~30 | 30~40 | 40~90 | 月累计降水量/mm | 0~50 | 50~100 | 100~150 | 150~250 | 250~300 | 日最大降雨量/mm | 0~20 | 20~40 | 40~60 | 60~100 | 100~150 |
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