精密工程测量技术在某高原长大隧道中的应用研究  

Research on the Application of Precision Engineering Measurement Technology in a Plateau Long Tunnel

作　　者：马琦 张飞跃 王帅帅 骆岗 刘从军 MA Qi;ZHANG Feiyue;WANG Shuaishuai;LUO Gang;LIU Congjun(Engineering Design and Research Institute of the Second Public Bureau of China Communications,Xi'an Shaanxi 710100)

机构地区：[1]中交二公局工程设计研究院,陕西西安710100

出　　处：《中国科技纵横》2024年第18期102-104,共3页China Science & Technology Overview

摘　　要：随着我国国民经济的飞速发展和人们对交通的迫切需求,高原长大隧道项目随之兴起。为满足工程建设需求,如何进行精准贯通是目前面临的主要技术难题。本文以某高原长大隧道为例,通过构建完善的平面坐标系统,并采用GNSS测量、控制网数据处理与精度分析、平面联系测量、导线测量及网型设计和陀螺定向测量等关键技术手段,利用计算机仿真模拟进行贯通误差估算,以指导长大隧道控制网的设计,为隧道贯通提供有力的技术支持,以期对同类项目提供借鉴和参考。With the rapid development of China's national economy and people's urgent demand for transportation,the plateau long tunnel project came into being.In order to meet the needs of engineering construction,how to accurately connect is the main technical problem faced at present.This paper takes a plateau long tunnel as an example,constructs a perfect plane coordinate system,and adopts the key technologies such as GNSS survey,data processing and precision analysis of control network,plane connection survey,traverse survey and network design and gyro directional survey.Using computer simulation to estimate the penetration error,guiding the design of the large tunnel control network,provides a strong technical support for the tunnel through,in order to provide reference and reference for similar projects.

关 键 词：长大隧道 精密工程 三网合一 测量技术 控制网 

分 类 号：P258[天文地球—测绘科学与技术]