BIM+无人机倾斜摄影技术在道路设计土方工程量计算中的应用  

Application of BIM and UAV Tilt Photogrammetry in Earthwork Calculation of Road Design

作　　者：贾巧志 陈文 JIA Qiao-zhi;CHEN Wen(School of Architecture and Traffic Engineering,Guilin University of Electronic Technology,Guilin 541004,China)

机构地区：[1]桂林电子科技大学建筑与交通工程学院,桂林541004

出　　处：《价值工程》2019年第1期131-134,共4页Value Engineering

基　　金：桂林电子科技大学研究生教育创新计划项目(2017YJCX122)

摘　　要：土方工程量计算是道路设计的重要内容之一,贯穿于项目整个生命周期,准确快速计算土方工程量对于节省项目总投资、合理分配项目资金具有重大意义。倾斜摄影技术能快速采集数据,建立数字高程模型(DEM),将其与BIM技术结合能实现快速计算土方工程量。本文通过应用案例,介绍BIM结合倾斜摄影技术计算土方工程量的方法。利用三维激光扫描技术计算得到的土方工程量与本方法计算结果进行精度检核,讨论了本应用研究的可行性及其优势。结果表明本应用研究在精度满足要求的情况下能有效提高土方计算效率,具有实际应用的意义。Earthwork calculation throughout the entire life cycle of a project is one of the most important aspects of road design,the accurate and rapid calculation of earthwork quantity is of great significance for saving the total investment of the project and allocating project funds reasonably.Tilt photography quickly captures data,builds a digital elevation model(DEM),and combines it with BIM technology to enable rapid earthwork calculations.In this paper,we introduce the method of calculating the amount of earthwork with BIM combined with oblique photography through the application cases.The earthwork quantity calculated by3D laser scanning technology and the calculation result of this method were checked for accuracy.The feasibility and advantage of this application were discussed.The results show that this application can not only meet the accuracy requirements,but also improve the computational efficiency of earthwork,which has practical significance.

关 键 词：土方量计算 倾斜摄影 BIM 三维激光扫描 道路设计 

分 类 号：P209[天文地球—测绘科学与技术]