结合湘潭湘江四大桥高塔柱索道管精密定位测量实践,分析了索道管定位方法,总结了三维极坐标法放样高塔柱索道管的原理、精度和数据处理等问题,证明是可行的,能确保定位的精度。 Combined with the practice of precise positioning and measurement of the cable tower pipelines of the Xiangtan IV Bridge in Xiangtan City, the method of locating the cableway pipe is analyzed. The principle, accuracy and data processing of the three-dimensional polar coordinate lofting tower cable duct are summarized. Ensure positioning accuracy.