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该文简要介绍了苏通长江大桥部分平面加密控制点布设及施测的方法 ,其加密控制点在大桥施工测量中有着重要作用 ,对高精度全站仪用于加密点的测量方法进行了探讨 ,对测边交会、边角后交等方法进行了较详细的精度分析 ,并与GPS法作了对比分析
This article briefly introduces the method of laying and measuring some plane encryption control points of Su-Tong Yangtze River Bridge. The encryption control points play an important role in the construction survey of the bridge. The measurement methods of the high-precision total stations for encryption points are discussed , The method of measuring the intersection, the corner after the intersection and other methods were analyzed in more detail and compared with the GPS method