《新建铁路工程测量规范》修订原则及技术特点

Revise Principles and Technical Characteristics of "Code for the Engineering Survey for New Railway"

研究目的:1999年颁发的《新建铁路工程测量规范》,已不能完全适应测绘新技术的应用,而且其中某些条款还限制一些先进技术的推广,为此对其进行修订。就新修订的《新建铁路工程测量规范》的主要技术特点进行阐述,以便在工程测量中采用先进技术。研究结论:以新建铁路工程测量"三网合一"的测量理念,对新修订的《新建铁路工程测量规范》新增加的工程控制网体系进行了论述。并阐述了GPS-RTK中线测量、地形测量、航测法测绘路基横断面,采用光电测距三角高程测量方法在山区进行三等高程控制测量等测量新技术在铁路工程测量中的应用。

Research purposes： The ＂Code for the Engineering Survey for New Railway＂ issued in 1999 has not fit in the application of new surveying and mapping technology because some provisions in this code limit the application of new technology, so it is urgent to revise the code. This paper gives the introduction to the main technical characteristics of revised code for application of new technoly in railway engineering survey.Research conclusions：According to the survey principle of ＂ integrating three control network into one net＂ for new railway engineering, this paper describes thecontrol network system newly added in the revised code for new railway engineering survey and gives the introductions to applications of GPS RTK center line survey, terrain survey and aerial surveying methods in surveying and mapping the cross - section of subgrade and application of optoelectronic ranging and trigonometric leveling method iti tri -vertical control survey in mountainous area for railway construction.