基于改进熵权法—未确知测度模型的黄金洞尾矿库综合安全评价
|
石勇,史秀志,丁文智
|
Comprehensive Safety Evaluation of Huangjindong Tailing Pond Based on Improved Entropy Weight Method-Unascertained Measure Model
|
Yong SHI,Xiuzhi SHI,Wenzhi DING
|
|
表4 定量指标分级
|
Table 4 Classification of quantitative indicators
|
|
指标 | Ⅰ级(安全) | Ⅱ级(较安全) | Ⅲ级(较不安全) | Ⅳ级(不安全) |
---|
坝体高度/m | <30 | 30~60 | 60~100 | >100 | 库容量/(×104 m3) | <100 | 100~500 | 500~1 000 | >1 000 | 日最大降雨量/mm | <50 | 50~70 | 70~90 | >90 | 坝体位移坡比 | <0.4 | 0.4~0.6 | 0.6~0.8 | >0.8 | 最小干滩长度/m | >100 | 70~100 | 40~70 | <40 | 裂隙度/% | <10 | 10~20 | 20~30 | >30 | 地下水状态/(L·10 m·min-1) | <30 | 30~60 | 60~100 | >100 | 地下空区 | <1.0 | 1.0~1.2 | 1.2~2.0 | >2.0 | 渗透系数/(m·昼夜-1) | <0.01 | 0.01~1.00 | 1~10 | >10 | 抗震系数 | >0.7 | 0.5~0.7 | 0.3~0.5 | <0.3 | 泄洪系数 | <0.3 | 0.3~0.5 | 0.5~0.7 | >0.7 | 尾矿堆存容量/(t·m-3) | >1.5 | 0.8~1.5 | 0.1~0.8 | <0.1 |
|
|
|