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부서명 재난원인조사실
게재연도 2017
논문집명 The 3th International Integrated(Web&Offline) Conference & Concert on Convergence
논문명 Development of Risk Assessment Indices of Sinkholes and Ground Subsidence
저자 이경수, 송영갑
구분 학술대회
요약 In prior studies so far of sinkholes and ground subsidence, the factors affecting the occurrence of sinkholes can be divided into the natural environmental ones and the human environmental ones in accordance with the purpose of the study, and to be more detailed, the human environments can be classified into the artificial ones and the social ones. In this study, the assessment indices for assessing risks of sinkholes and ground subsidence were developed by performing AHP analysis based on the results of the study(2016) Kyung-su Lee and his coworkers did, who selected the risk factors for the occurrence of sinkholes by performing Delphi analysis targeting relevant experts. Analysis showed that the artificial environmental factors were the most important ones affecting the occurrence of sinkholes. To be specific, the underground factors are important in the natural environment, and among them, the level of underground water turned out to be an important influencing factor. In the artificial environment, the underground and subterranean structures turned out to be almost similarly important, and in the underground structures, the excessive use of the underground space to be an important influencing factor, and in the subterranean ones, the level of water leakage and the erosion of the water supply and sewage piping system to be one, and in the surface, compaction failure to be one. And in the social environment, the regional development, and above all, the groundwater overuse to be so. And in the managemental and institutional environment, the improper construction management proved to be the most important influencing factor.
핵심어 Sinkhole, Subsidence, Assessment Indices, AHP
조회수 22414
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