Three-dimensional laser scanning for structure documentation and construction management: A case study of renovation and rebuilt of metro tunnels

Abstract

The dynamic development of modern technologies allows the construction of devices that change the current approach to the design and inventory of buildings. The Terrestrial Laser Scanning (TLS) of large-scale objects improves the existing state’s documentation and the building reconstruction design phase, especially in the interdisciplinary Architecture, Engineering, and Construction sector(AEC) approach. Understanding these applications’ wide range of technical requirements and considerations is crucial in projects. This research aims to investigate the validity and quality of using TLS for the structural expertise of a metro tunnel. The analysis exploits and focuses on laser scanning technology applications for testing the analysis accuracy of monolithic concrete walls in a building of extended length. The study results indicate that the technological advancement in Building Information Modelling (BIM) presents extraordinary opportunities for AEC professionals to use laser scanning in a holistic, collaborative workflow based on 3D model-based design and data quality.

Keywords

• AEC
• Construction maintenance
• Mega-structure
• Point clouds
• Terrestrial laser scanners