Research and application of multi-source monitoring data in the evaluation of service status of tunnel structure

doi:10.13474/j.cnki.11-2246.2020.0275

Abstract

Abstract: The service status of subway tunnel determines the safety of subway traffic and mass passengers. Based on the 3D laser scanning technology and the traditional monitoring technology, this paper obtains the key parameters of the structural diseases of the subway tunnel in service, introduces the analytic hierarchy process, demarcates the weight relationship of each disease index, establishes the weight model, combines the fuzzy comprehensive evaluation with the objective key disease data obtained by multi-source detection, and finally evaluates the in-service state of the subway tunnel. Through a large number of experimental samples, an information system for the evaluation of the service status of subway tunnel is established, which has achieved good industrial application results.

Key words: 3D laser, operation monitoring, AHP, fuzzy comprehensive analysis, service status evaluation

CLC Number:

LI Zihao, TANG Chao, WANG Bingqiang, WANG Yong, HOU Haiqian, ZHAO Lifeng. Research and application of multi-source monitoring data in the evaluation of service status of tunnel structure[J]. Bulletin of Surveying and Mapping, 2020, 0(9): 18-22.

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