客运专线隧道内CPⅡ控制测量方法探讨

On exploration of CPⅡ control measurement methods in tunnels of passenger special lines

探讨了隧道内CPⅡ平面控制网的作业方法,结合郑西客运专线秦东隧道内CPⅡ平面控制网成功案例,对隧道内平面控制网和高程控制网的设计及观测作了论述,验证了此作业方法的可行性。

The paper explores the working methods for CP Ⅱ plain control network in tunnels, proves the feasibility of the working methods by combining with the successful case of CPⅡ plain control network in Qindong tunnel along Zhengzhou to Xi＇ an passenger special line, and indicates the design and observation of the plain control network and elevation controlling network.