基于GIS的山区铁路枢纽土石方工程测绘技术研究

Research on Surveying and Mapping Technology for Earthwork and Stonework Engineering of Montane Railway Hub Based on GIS

快速获取较精准的方量、快速跟踪进度以及过程适时管控,是铁路枢纽工程建设、测绘工程研究的重要课题。引入具有测绘参数获取、录入、分类和解译等功能的GIS技术,阐述了GIS在铁路枢纽土石方工程中应用的理论基础、系统建立、应用及分析,实现了土石方测绘的三维可视化状态。提出基于GIS的铁路枢纽土石方工程测绘技术,解决了铁路枢纽土石方工程测绘精度、高效率、及时性等关键问题。研究成果应用于实践,不仅对原始地形进行测绘、精确计算方量,对未开挖的土石方量实现实时获取,保证工程相关方对工程进度把控和预警,还推进GIS技术在工程建设中的应用。

Rapid acquisition of more accurate square quantity,rapid tracking of progress and timely process control are important topics in railway hub project construction and surveying and mapping engineering research.The paper introduces GIS technology,which has the functions of acquiring,inputting,classifying and interpreting surveying and mapping parameters,expounds the theoretical basis,system establishment,application and analysis of GIS application in earthwork engineering of railway junction,and realizes the three-dimensional visualization state of earthwork surveying and mapping.It puts forward the surveying and mapping technology of montane railway hub earthwork based on GIS,which solves the key problems of surveying and mapping accuracy,high efficiency and timeliness of mountain railway hub earthwork.The application of the research results in practice makes surveying and mapping of the original terrain,accurately calculates the volume of earth and stone,achieves real-time acquisition of the volume of earth and stone that has not been excavated,ensures the relevant parties of the project to control and forewarn the project progress,and promotes the application of GIS technology in the project construction.