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随着时间的推移,一些已建成的大中型水库大坝安全监测内观仪器逐渐出现损坏、失效、不稳定以及测值不能反映工程实际情况等问题,如何对内观仪器进行鉴定已成为当务之急。本文以洪家渡水电站运行期内观仪器的鉴定为例,根据弦式仪器、差阻式仪器、电阻式温度计、电位器式仪器的类别特点,探讨性介绍了仪器鉴定的现场测试方法、鉴定标准及仪器鉴定后的优化处理等,希望能起到抛砖引玉的功效。
With the passage of time, some of the built-in large-scale reservoir dam safety monitoring devices gradually appear damage, failure, instability and the measured value does not reflect the actual situation of the project and other issues, how to identify the internal observation instrument has become a top priority. In this paper, the identification of observing instruments during the operation period of Hongjiadu Hydropower Station is taken as an example. According to the characteristics of the types of string instruments, differential resistance instruments, resistance thermometers and potentiometer instruments, the field test methods of instrument identification are introduced tentatively. Standard and equipment after the identification of optimization, hoping to play a valuable role.