The Application of GPS Technology in Primary Level Control Network of Qingdao Bay Major Bridge

Introduces the allocating plan,observation technology and the fine processing method of data for primary level control network of Qingdao Bay Major Bridge.GPS technology is used in this project.Each procedure is strictly controlled.Finally,design of the network is verified by the high precise result.Its accuracy is superior to 5.0mm in 3D,4.2mm in 2D.And it could give reference to similar project.