GPS在高速公路工程施工测量中的应用

摘要

GPS( Global Positioning System) is a kind of satellite navigation and positioning system developed in America and put into use in 1994. It has been used widely. The application of GPS - RTK in pile foundation measurement of Songlinpo Bridge for Hubei Yichang - Badong Expressway is introduced emphatically. Matters needing attention of GPS - RTK in construction survey are summarized in accordance with practice.%GPS（Global Positioning System）全球定位系统是美国研制并在1994年投入使用的卫星导航与定位系统,该系统已被广泛使用。重点介绍GPS-RTK在湖北宜巴高速公路松林坡大桥桩基测量中的应用,并根据实践总结了GPS-RTK在施工测量中的注意事项。