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激光经纬仪是一种多用途的定位仪器,用于施工测量既可保证一定的精度,又较方便。本文讨论了用激光经纬仪进行路基和堤坝等边桩测设的方法,它是根据地面坡度计算出竖角,按此安置望远镜,然后发射激光,使激光束与地面交会来确定点位的。用这种方法可以省去在倾斜地面上进行距离丈量和距离测设及高差观测等工作。还可按照设计高程进行测设,防止因地面高程从勘测到施工的时期内发生变化,而对边桩位置产生影响。由于竖角的精度较高,通过一次测设可确定边桩位置,并可取得较高的精度。
Laser theodolite is a multi-purpose positioning instrument for construction measurement can guarantee a certain accuracy, but also more convenient. In this paper, the method of laser theodolite to measure embankment and embankment side pile is discussed in this paper. The vertical angle is calculated according to the slope of the ground. The telescope is installed according to the slope of the ground. Then the laser beam is emitted to make the laser beam reach the ground to determine the point. Using this method can save on the sloping ground distance measurement and distance measurement and elevation measurement work. It can also set the design according to the design elevation to prevent the ground elevation from the survey to the construction period changes, while the location of the side pile impact. Due to the high vertical angle of accuracy, through a test set to determine the position of side piles, and can achieve higher accuracy.