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| Stability evaluation of goaf based on AHP and fuzzy mathematics |
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| DOI：10.3969/j.issn.1671-4172.2019.05.008 |
| KeyWord:analytic hierarchy process; judgment matrix; membership function; mined-out area stability |
| Author | Institution |
| SUN Yuchao, |
（西南科技大学 环境与资源学院，四川 绵阳） |
| ZHAO Zhouneng, |
（西南科技大学 环境与资源学院，四川 绵阳） |
| CHEN Xingming, |
（西南科技大学 环境与资源学院，四川 绵阳） |
| ZHANG Zhigui |
（西南科技大学 环境与资源学院，四川 绵阳） |
| TAN Baohui |
（西南科技大学 环境与资源学院，四川 绵阳） |
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| Abstract: |
| By analyzing AHP and fuzzy comprehensive evaluation theory, an evaluation model was established to evaluate the stability of Mined-out Area. Delphi method was used to analyze the factors affecting the stability of the Mined-out Area, and the judgment matrix was constructed, The weight of each factor was determined by analytic hierarchy process. The membership degree of each factor was determined by the membership function determination table of the influential factors of the Mined-out Area hazard risk, and the evaluation matrix was established and a stability judgment for certain mine Mined-out Area was conducted, finally it was concluded that the stability of mined-out area to Ⅱ belonged to a relatively stable level. |
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