Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal Mine
In underground metal mines, goaf brings huge safety risks. It is an important part of mine to evaluate goaf stability and determine the best goaf handling measures. However, the evaluation and decision are often separated; they need to be unified. Meanwhile, stability evaluation and decision for goa...
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2022-01-01
|
| Series: | Advances in Civil Engineering |
| Online Access: | http://dx.doi.org/10.1155/2022/3104961 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832552941853081600 |
|---|---|
| author | Rongxing He Huan Liu Fengyu Ren Guanghui Li Jing Zhang Yanjun Zhou |
| author_facet | Rongxing He Huan Liu Fengyu Ren Guanghui Li Jing Zhang Yanjun Zhou |
| author_sort | Rongxing He |
| collection | DOAJ |
| description | In underground metal mines, goaf brings huge safety risks. It is an important part of mine to evaluate goaf stability and determine the best goaf handling measures. However, the evaluation and decision are often separated; they need to be unified. Meanwhile, stability evaluation and decision for goaf are a complex system engineering of rock masses in underground mining, and subjectivity exists in the evaluation and decision process. Under these conditions, it is necessary to minimize subjectivity, and the results of stability evaluation also need to be considered comprehensively in determining handling measures. In this paper, the fuzzy theory was adopted based on the fact that the goaf stability evaluation and handling measure decision were fuzziness. Firstly, the goaf stability model was established by a two-layer fuzzy comprehensive evaluation. It took into account 12-factor indexes of goaf with engineering empirical approaches and divided them into 3 categories according to their engineering categories. The model improved the applicability of the goaf stability evaluation results, and the results were the basis for goaf handling measures as well. Secondly, a decision model of the goaf handling measures was established by multiobjective fuzzy optimization. It consisted of five goaf handling measures and five evaluation indexes. The model provided a comprehensive decision and optimal scheme for goaf handling. Two models were also applied to the Paishanlou gold mine and achieved a good handling result. The practical application showed that the two models were feasible. |
| format | Article |
| id | doaj-art-c04bf909f75e473db484008771e3787c |
| institution | Kabale University |
| issn | 1687-8094 |
| language | English |
| publishDate | 2022-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Civil Engineering |
| spelling | doaj-art-c04bf909f75e473db484008771e3787c2025-02-03T05:57:27ZengWileyAdvances in Civil Engineering1687-80942022-01-01202210.1155/2022/3104961Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal MineRongxing He0Huan Liu1Fengyu Ren2Guanghui Li3Jing Zhang4Yanjun Zhou5School of Resources and Civil EngineeringCollege of Mining IndustrySchool of Resources and Civil EngineeringSchool of Resources and Civil EngineeringSchool of Resources and Civil EngineeringSchool of Resources and Civil EngineeringIn underground metal mines, goaf brings huge safety risks. It is an important part of mine to evaluate goaf stability and determine the best goaf handling measures. However, the evaluation and decision are often separated; they need to be unified. Meanwhile, stability evaluation and decision for goaf are a complex system engineering of rock masses in underground mining, and subjectivity exists in the evaluation and decision process. Under these conditions, it is necessary to minimize subjectivity, and the results of stability evaluation also need to be considered comprehensively in determining handling measures. In this paper, the fuzzy theory was adopted based on the fact that the goaf stability evaluation and handling measure decision were fuzziness. Firstly, the goaf stability model was established by a two-layer fuzzy comprehensive evaluation. It took into account 12-factor indexes of goaf with engineering empirical approaches and divided them into 3 categories according to their engineering categories. The model improved the applicability of the goaf stability evaluation results, and the results were the basis for goaf handling measures as well. Secondly, a decision model of the goaf handling measures was established by multiobjective fuzzy optimization. It consisted of five goaf handling measures and five evaluation indexes. The model provided a comprehensive decision and optimal scheme for goaf handling. Two models were also applied to the Paishanlou gold mine and achieved a good handling result. The practical application showed that the two models were feasible.http://dx.doi.org/10.1155/2022/3104961 |
| spellingShingle | Rongxing He Huan Liu Fengyu Ren Guanghui Li Jing Zhang Yanjun Zhou Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal Mine Advances in Civil Engineering |
| title | Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal Mine |
| title_full | Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal Mine |
| title_fullStr | Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal Mine |
| title_full_unstemmed | Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal Mine |
| title_short | Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal Mine |
| title_sort | comprehensive evaluation and decision for goaf based on fuzzy theory in underground metal mine |
| url | http://dx.doi.org/10.1155/2022/3104961 |
| work_keys_str_mv | AT rongxinghe comprehensiveevaluationanddecisionforgoafbasedonfuzzytheoryinundergroundmetalmine AT huanliu comprehensiveevaluationanddecisionforgoafbasedonfuzzytheoryinundergroundmetalmine AT fengyuren comprehensiveevaluationanddecisionforgoafbasedonfuzzytheoryinundergroundmetalmine AT guanghuili comprehensiveevaluationanddecisionforgoafbasedonfuzzytheoryinundergroundmetalmine AT jingzhang comprehensiveevaluationanddecisionforgoafbasedonfuzzytheoryinundergroundmetalmine AT yanjunzhou comprehensiveevaluationanddecisionforgoafbasedonfuzzytheoryinundergroundmetalmine |