山区高速公路控制测量技术研究  

Research on Control Survey Technology of Expressway in Mountainous Area

作　　者：吴迪军[1] 曹诗荣[1] 鹿星亮 WU Dijun;CAO Shirong;LU Xingliang(China Railway Major Bridge Reconnaissance&Design Institute Co.,Ltd.,Wuhan 430050,China)

机构地区：[1]中铁大桥勘测设计院集团有限公司,湖北武汉430050

出　　处：《测绘与空间地理信息》2023年第2期1-4,共4页Geomatics & Spatial Information Technology

摘　　要：针对山区高速公路路线长、地形复杂、桥隧占比大和施工周期长等特点,结合实例开展山区高速公路工程控制测量设计、观测和数据处理方法的研究,提出了首级平面控制网精度等级确定、路线平面控制网分级平差、各等级高程控制网平差及控制网衔接测量等技术方法,可供其他类似公路工程控制测量参考。In view of the characteristics of mountainous expressway,such as long route,complex terrain,large proportion of bridge and tunnel,and long construction period,the research on control survey design,observation and data processing methods of mountainous expressway projects is carried out in combination with examples.The technical methods for determining the accuracy level of the primary level horizontal control network,grading adjustment of the route horizontal control network,adjustment of each level vertical control network and connecting survey of the control network are proposed,which can be used as reference for other similar highway engineering control surveys.

关 键 词：山区高速公路 首级平面控制网 路线平面控制网 高程控制网 控制网衔接测量 

分 类 号：P25[天文地球—测绘科学与技术] TB22[天文地球—大地测量学与测量工程]