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百丈漈水电厂土坝和溢洪道混凝土闸墩的水平位移观测,过去采用T_2级经纬仪视准线法,但因位移点上的测标是使用测针或铅笔的,致影响观测成果的质量,对土建工程稳定分析,带来了困难。为克服这一问题,根据我厂和工程的特点,经过反复研究和改进,试制了一种活动游标觇牌,供视准线法在位移点上观测应用。经过四次观测实践,证明它在相同的
The horizontal displacement observation of earth dam and spillway concrete pier of Baizhangliu Hydropower Plant used the T_2-level theodolite line of sight method in the past, but because the measuring point on the displacement point is the use of stylus or pencil, which will affect the quality of observation results. Civil engineering stability analysis has brought difficulties. To overcome this problem, according to the characteristics of our factory and engineering, after repeated research and improvement, trial production of an activity cursor 觇 card for sight line method at the displacement point of observation and application. After four observations, prove it in the same