GPS控制网在长大隧道控制测量中的应用

Application of GPS Control Network to long Tunnels

基于GPS测量法建立的施工测量控制网具有精度高、布网方便等优点。介绍天心山长大隧道GPS控制网的设计、实施、数据处理方法及精度控制情况等。

The construction survey control network has such merits as high precision and easy to lay.This paper introduces the design of GPS control network, the practice , the method of data processing and precision control etc.