In order to satisfy the demands of the main pylon measure benchmark stakingout and the cable anchor-pipe positioning for cable-stayed bridge, a new Georobot relative datum 3D polar coordinate method is presented.

• 摘要结合斜拉桥索塔基准放样及斜拉索预埋钢管的精密定位的需要，提出了一种新的基于测量机器人的三维相对基准放样方法，并成功用于灌河特大桥斜拉桥主桥的施工放样。