GPS在公路桥梁施工控制测量中的应用

Application of GPS survey in highway bridge construction

结合大型工程施工测量 ,讨论了 GPS公路桥梁施工控制网的必要精度 ,提出了对

Combined with the construction survey of the large scale bridge,the essential precision is discussed for GPS control network of highway bridge.The method of constrained adjustment for GPS network is highlighted to assure the reasonable link of centerlines between the highway and the bridge.