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Analysis of sluice health diagnosis system based on safety monitoring
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摘要: 水闸监测资料是对水闸工作性态的直接反映, 现有的基于工程可靠性及安全鉴定规程的水闸安全评估方法存在未能充分利用安全监测资料的局限性。以水闸安全监测为基础, 结合水闸破坏机理, 研究了基于安全监测的水闸健康诊断指标设置方法, 构建了一个具有多层次和多指标特性的水闸健康诊断指标体系, 提出了正常、基本正常、异常、失常的水闸健康状态四等级划分方法, 并设计了相应的评语集及对应的隶属度区间, 从而建立了一种新的基于安全监测的水闸健康诊断框架体系, 并利用该方法对潮州供水枢纽工程东溪水闸进行了健康诊断。该诊断体系能更合理地反映水闸的实际健康状态, 可为水闸实时在线安全监控提供基础条件和技术支持。Abstract: The monitoring data is a direct response of the working condition of the sluices. However, the current sluice safety evaluation methods based on engineering reliability and safety appraisal specifications have the limitation of not making full use of the safety monitoring data. The development of the sluice health diagnosis system based on the safety monitoring is thus of great practical importance. On the basis of the sluice safety monitoring and the analysis of the sluice failure mechanism, the research on setting of the sluice health diagnosis indexes based on the safety monitoring is carried out in this study. And then, a general multi-level and multi-index health diagnosis index system for sluices is developed; and a four-grade (normal, basically normal, abnormal, and severely abnormal) classification scheme, and the corresponding evaluation set and membership degree range have been designed. Thus, a novel health diagnosis system for the sluices is established based on the safety monitoring. A practical engineering example, the Dongxi sluice of the Chaozhou water supply works, is analyzed by the proposed method. The research and analysis results show that the sluice health diagnosis system given by this paper based on the safety monitoring can accurately reflect the actual health status of the sluice, which can provide a basic condition and technical support for the real-time online safety monitoring of the sluices.
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Key words:
- sluice /
- health diagnosis /
- safety monitoring /
- evaluation index /
- evaluation grade
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图 1 普遍意义上的基于安全监测的水闸健康诊断指标体系
Figure 1. A sluice health diagnosis index system in general based on safety monitoring
图 2 东溪水闸闸室段健康诊断指标体系
Figure 2. Health diagnosis index system for Dongxi sluice chamber section
表 1 东溪水闸安全监测项目布置
Table 1. Safety monitoring project layout of Dongxi sluice
监测项目 监测方法 测点数量 正常测点数量 仪器设备型号 垂直位移 几何水准 48 (点) 48 (点) ZEISS DiNi-12电子水准仪 水平位移 测斜仪 2 (套) 2 (套) RST伺服加速计式测斜仪 极坐标法 24 (点) 24 (点) TCA2003型全站仪 接缝开合度 测缝计 6 (支) 4 (支) GK-4420弦式测缝计 闸基扬压力 渗压计 11 (支) 7 (支) GK-4500S弦式渗压计 地基反力 地基反力计 13 (支) 9 (支) GK-4800弦式地基反力计 
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表 2 东溪水闸闸室段底层诊断指标隶属度
Table 2. Membership of Dongxi sluice chamber section bottom diagnosis indexes
项目 变形U1 渗流U2 应力U3 水平位移U11 垂直位移U12 不均匀沉降U13 接缝开合度U14 闸基扬压力U21 地基反力U31 评分 0.80 0.80 0.75 0.90 0.85 0.85
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