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本文主要讨论了武汉长江公路斜拉桥主梁施工过程中索道管精确定位的数学模型及其方法，并从实际定位结果出发，分析了索道管的定位精度，得出了一些有益的结论。
This paper mainly discusses the mathematic model and method of accurate positioning of the cable duct during the construction of the main girder of Wuhan Yangtze River Highway Cable-Stayed Bridge. Based on the actual positioning results, the positioning accuracy of the cable duct is analyzed and some useful conclusions are drawn.