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Research on Monitoring and Early Warning and Management System of Leakage Water Based on 3D Laser Scanning Subway Operation Tunnel
YUAN Fuyin CHEN Hongyu LI Tiejun ZHU Junhu WU Xianguo WANG Xinyi HE Yun
(CCCC Road & Bridge Construction Co.,Ltd. School of Civil Engineering and Environment,Nanyang Technological University China Communications Construction Co.,Ltd. No.6 Engineering Co.,Ltd.of CCCC First Highway Engineering Group Co.,Ltd. School of Civil Engineering & Mechanics,Huazhong University of Science and Technology)
Abstract: This paper introduces the monitoring and early warning and management system for leakage of operating tunnels under 3 D laser scanning technology. The 3 D laser scanner is used to monitor the tunnel leakage,and the 3 D laser scanner is used to monitor the tunnel leakage process and establish the scanning procedure and methods of 3 D laser instrument. For Wuhan Subway tunnel,the airborne movable water leakage sensor device operating the subway tunnel moves along the length of the tunnel to drive the3 D scanner to move,so that the 3 D scanner moves to scan different areas of the tunnel,which improves detection efficiency. Based on a large number of engineering practices and related literatures,the classification of faults and early warning standards for leakage monitoring are proposed. To improve the scientific and efficient management of tunnel leakage management,a Jess expert system based on Java is used to construct tunnel seepage. The expert system corresponding to the water leakage maintenance and maintenance technical measures forms a three-dimensional laser scanning monitoring leakage water diagnosis and management system. Based on the system,the system detects the leakage of the tunnel water,and inputs the disease symptoms into the monitoring and diagnosis and early warning system. The system can infer according to the inputting leakage condition of the operating subway,and outputting the corresponding leakage water disease maintenance,repairing and treatment measures. It is applied to Zhongnan Road,Wangjiawan Road and Hong Kong Road Tunnel of Wuhan Subway. The results are in line with the actual situation.
Keywords: subways; tunnels; leakage; three-dimensional laser scanning; monitoring; diagnosis and early warning; management expert system