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在国内已建水电工程中,三板溪是第2高面板堆石坝,其安全监测系统具有任务重、规模大和难度高的特点。工程在建设过程中,进行了自动控制挠度观测系统、光纤测温系统、液压式沉降仪及串联杆式水平位移计、水管式沉降仪及钢丝水平位移计自动测控系统、无浮托引张线等5种新技术、新方法的研究与应用。文中对三板溪监测系统的组成、规模、特点及其部分应用成果进行了阐述,并针对工程特点提出了系统运行管理建议。
Among the hydropower projects that have been built in China, Sanbanxi is the second highest CFRD. Its safety monitoring system has the characteristics of heavy task, large scale and high difficulty. In the process of construction, automatic deflection measurement system, optical fiber temperature measurement system, hydraulic settlement meter and tandem rod type horizontal displacement meter, water pipe type settlement instrument and steel wire horizontal displacement meter automatic measurement and control system were adopted. 5 kinds of new technologies, new methods of research and application. The composition, scale, characteristics and some of the application results of Sanbanxi monitoring system are described in this paper. And some suggestions on system operation and management are proposed according to the engineering characteristics.