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Stability Evaluation of an Expressway Construction Site above an Abandoned Coal Mine Based on the Overlay and Index Method

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  • Qingbiao Guo

    (School of Geomatics, Anhui University of Sciences and Technology, No. 168 Taifeng Road, Huainan 232001, China
    State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, No.1 University Road, Xuzhou 221116, China)

  • Guangli Guo

    (School of Environment Science and Spatial Informatics, China University of Mining and Technology, No.1 University Road, Xuzhou 221116, China)

  • Yingming Li

    (School of Mining and Safety Engineering, Anhui University of Sciences and Technology, No.168 Taifeng Road, Huainan 232001, China)

  • Lei Wang

    (School of Geomatics, Anhui University of Sciences and Technology, No. 168 Taifeng Road, Huainan 232001, China)

  • Xingwang Zhao

    (School of Geomatics, Anhui University of Sciences and Technology, No. 168 Taifeng Road, Huainan 232001, China)

Abstract

In recent years, more and more expressways pass through the abandoned coal mine, while the surface residual subsidence of the abandoned coal mine threatens the operation safety of the expressway. It is of significance to evaluate the stability of the construction site and take reasonable managements for effectively guaranteeing the traffic safety. How to accurately evaluate the stability of the construction site is the primary problem. This study proposes a stability evaluation model using the overlay and index method and points out that the evaluation scores and weights of evaluation indices are key parameters to determine the reliability of evaluation results. To reasonably determine the evaluation score, the scoring criteria of qualitative indices is obtained by the equidistant method, while the scoring criteria of quantitative indices is obtained by establishing scoring functions. The weights of evaluation indices are got by adopting the FAHP (fuzzy analytic hierarchy process). Then the built model is applied to evaluate the stability of the Wuyun Expressway construction site, and the results show that the Wuyun Expressway construction site is basic stable. Finally, the sensitivity of indices weights on the evaluation result is analyzed with the maximum C k ( C m , p c ) of 5.9% far lower than the weight change of ±30%, and the average residual subsidence velocity of the maximum subsidence point is 0.0456 mm/d using a high-resolution leveling, proving the credibility of the proposed model. Research results provide new ideas and systematic technical references for the stability evaluation of the construction site above an abandoned coal mine.

Suggested Citation

  • Qingbiao Guo & Guangli Guo & Yingming Li & Lei Wang & Xingwang Zhao, 2019. "Stability Evaluation of an Expressway Construction Site above an Abandoned Coal Mine Based on the Overlay and Index Method," Sustainability, MDPI, vol. 11(19), pages 1-19, September.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:19:p:5163-:d:269179
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    References listed on IDEAS

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    1. Ximin Cui & Yongge Gao & Debao Yuan, 2014. "Sudden surface collapse disasters caused by shallow partial mining in Datong coalfield, China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 74(2), pages 911-929, November.
    2. Amir Saffari & Mohammad Ataei & Farhang Sereshki & Mostafa Naderi, 2019. "Environmental impact assessment (EIA) by using the Fuzzy Delphi Folchi (FDF) method (case study: Shahrood cement plant, Iran)," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 21(2), pages 817-860, April.
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    Cited by:

    1. Yaqiang Gong & Guangli Guo & Guojian Zhang & Kaikai Guo & Qiu Du & Liping Wang, 2021. "A Vertical Joint Spacing Calculation Method for UDEC Modeling of Large-Scale Strata and Its Influence on Mining-Induced Surface Subsidence," Sustainability, MDPI, vol. 13(23), pages 1-14, December.
    2. Dagmara Perżyło & Katarzyna Szafulera & Marek Kruczkowski & Michał Pilch, 2022. "The Use of Geomaterials to Restore the Utility Value of Post-Mining Areas," Energies, MDPI, vol. 15(4), pages 1-22, February.
    3. Liang Wang & Qingbiao Guo & Xuexiang Yu, 2023. "Stability-Level Evaluation of the Construction Site above the Goaf Based on Combination Weighting and Cloud Model," Sustainability, MDPI, vol. 15(9), pages 1-17, April.

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