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介绍了特大型矿井井架地面组装时的轴线控制测量 ,井架吊架之前找正点的计算、标定方法 ,井架吊装就位过程中的找正观测 ,以及在井架安装的整个过程中应注意的问题。
This paper introduces the measurement of axis control, the method of calculating the calibration point before derrick hanger, the alignment observation in derrick hoisting, and the problems to be noticed in the whole process of derrick installation.