농업기반시설물 양ㆍ배수장의 성능저하 요인분석 및 성능평가 모델 개발
Development of Evaluation Model of Pumping and Drainage Station Using Performance Degradation Factors
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초록
Recently, natural disasters due to abnormal climates are frequently outbreaking, and there is rapid increase of damage to aged agricultural infrastructure. As agricultural infrastructure facilities are in contact with water throughout the year and the number of them is significant, it is important to build amaintenance management system. Especially, the current maintenance management system of pumping and drainage stations among the agriculturalfacilities has the limit of lack of objectivity and management personnel. The purpose of this study is to develop a performance evaluation model usingthe factors related to performance degradation of pumping and drainage facilities and to predict the performance of the facilities in response to climatechange. In this study, we focused on the pumping and drainage stations belonging to each climatic zone separated by the Korea geographical climaticclassification system. The performance evaluation model was developed using three different statistical models of POLS, RE, and LASSO. As the resultof analysis of statistical models, LASSO was selected for the performance evaluation model as it solved the multicollinearity problem between variables,and showed the smallest MSE. To predict the performance degradation due to climate change, the climate change response variables were classifiedinto three categories: climate exposure, sensitivity, and adaptive capacity. The performance degradation prediction was performed at each facility usingthe developed performance evaluation model and the climate change response variables.
Abstract
Recently, natural disasters due to abnormal climates are frequently outbreaking, and there is rapid increase of damage to aged agricultural infrastructure. As agricultural infrastructure facilities are in contact with water throughout the year and the number of them is significant, it is important to build amaintenance management system. Especially, the current maintenance management system of pumping and drainage stations among the agriculturalfacilities has the limit of lack of objectivity and management personnel. The purpose of this study is to develop a performance evaluation model usingthe factors related to performance degradation of pumping and drainage facilities and to predict the performance of the facilities in response to climatechange. In this study, we focused on the pumping and drainage stations belonging to each climatic zone separated by the Korea geographical climaticclassification system. The performance evaluation model was developed using three different statistical models of POLS, RE, and LASSO. As the resultof analysis of statistical models, LASSO was selected for the performance evaluation model as it solved the multicollinearity problem between variables,and showed the smallest MSE. To predict the performance degradation due to climate change, the climate change response variables were classifiedinto three categories: climate exposure, sensitivity, and adaptive capacity. The performance degradation prediction was performed at each facility usingthe developed performance evaluation model and the climate change response variables.
참고문헌 (31)
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