2023 年 11 巻 1 号 論文ID: F3-E0011
Building/Construction Information Modeling/Management (BIM/CIM) is a key process in enhancing the productivity of all processes of civil infrastructure projects such as plan, investigation, survey, design, construction, O&M, and rehabilitation. In this study, three types of 3-D laser scanning methods, aerial laser scanning (ALS) system, mobile mapping system (MMS), and terrestrial laser scanning (TLS) system, were applied for the topographic survey to introduce BIM/CIM for a highway project. In this paper, the accuracy of three types of laser scanning methods were validated and the creation of 3-D terrain TIN model was also discussed for highway projects. Through the case study, one of the biggest challenges to applying CIM for highway projects was clarified. Since infrastructure construction projects, especially highway projects, have a much wider area than building construction projects, the data size of highway projects becomes much bigger building projects. This study shows the way to create reasonable digital terrain model (DTM) for 3-D highway design in order to introduce CIM from topographic surveys for road/highway projects.
