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三峡工程安全监测中 ,作为水平位移监测基准的倒垂装置最深达 110米 ,为目前国内最深倒垂装置 ,而且三峡工程中还有多种直径的变径倒垂装置。通过精确计算和反复调试 ,研制了一套计算变径倒垂装置有效孔 (管 )径及中心坐标的解算模型和解析计算程序 ,确立了一种精度高、解算速度快的解析方法。
In the Three Gorges Project safety monitoring, the upside-down device, which is the benchmark of horizontal displacement monitoring, has the deepest reach of 110 meters. It is the deepest inverted device in China at present, and there are many diameters inverted down-going devices in the Three Gorges Project. Through precise calculation and repeated debugging, a set of calculation model and analytical calculation program for calculating the effective hole (tube) diameter and center coordinates of the downfalling device have been developed, and an analytical method with high precision and fast calculation speed has been established.