高速铁路CPⅢ高程控制网测量方法研究  

Surveying method of CPⅢ vertical control network in high-speed railway

作　　者：李书亮[1] 刘成龙[1] 倪先桃[2] 徐小左[1] 

机构地区：[1]西南交通大学土木工程学院,成都610031 [2]铁道第三勘察设计院集团有限公司,天津300251

出　　处：《测绘科学》2011年第1期45-47,16,共4页Science of Surveying and Mapping

基　　金：高速铁路精密测量控制技术试验研究铁道部重大课题(编号:2008G031-16)

摘　　要：本文分析高速铁路CPⅢ高程控制网建网时普遍采用的德国测量方法,指出其存在的不足,在此基础上提出了技术上更为合理又适合我国国情的矩形法测量方法。通过对矩形法相邻点高差相对中误差和最弱点高程中误差的估算以及实验验证,认为矩形法可以用于CPⅢ高程网的建网测量。研究结果对于目前高速铁路工程测量相关规范的制订和在建高速铁路CPⅢ高程网的测量具有重要的参照价值。By analyzing the German surveying method which has been commonly used in the establishment of high-speed railway CPⅢ vertical control network, the paper pointed out its shortcomings in some respects and put forward a rectangle surveying method which is more reasonable on terms of technology and suitable for China conditions. And through the evaluation of relative mean square error of height difference of adjacent points as well as the root mean square error of height, the result was concluded that the rectangle surveying method can meet the requirement of CP Ⅲ vertical control network measurement. The research provided a reference for the revision of the present measurement specification for high-speed railway and the selection of surveying methods for CP Ⅲ vertical control network.

关 键 词：CPⅢ 矩形法 高程控制网 精度估算 

分 类 号：P258[天文地球—测绘科学与技术]