title: The benefit of 3D laser scanning technology in the generation and calibration of FEM models for health assessment of concrete structures.
abstract: Terrestrial laser scanning technology (TLS) is a new technique for quickly getting three-dimensional information. In this paper we research the health assessment of concrete structures with a Finite Element Method (FEM) model based on TLS. The goal focuses on the benefits of 3D TLS in the generation and calibration of FEM models, in order to build a convenient, efficient and intelligent model which can be widely used for the detection and assessment of bridges, buildings, subways and other objects. After comparing the finite element simulation with surface-based measurement data from TLS, the FEM model is determined to be acceptable with an error of less than 5%. The benefit of TLS lies mainly in the possibility of a surface-based validation of results predicted by the FEM model.
authors.affiliation: Geodetic Institute, Faculty of Civil Engineering and Geodetic Science, Leibniz University Hanover, Nienburger Street 1. D-30167, Hanover, Germany. yang@gih.uni-hannover.de.
authors.forename: Hao
authors.initials: H
authors.lastname: Yang
authors.affiliation: Geodetic Institute, Faculty of Civil Engineering and Geodetic Science, Leibniz University Hanover, Nienburger Street 1. D-30167, Hanover, Germany. xu@gih.uni-hannover.de.
authors.forename: Xiangyang
authors.initials: X
authors.lastname: Xu
authors.affiliation: Geodetic Institute, Faculty of Civil Engineering and Geodetic Science, Leibniz University Hanover, Nienburger Street 1. D-30167, Hanover, Germany. neumann@gih.uni-hannover.de.
authors.forename: Ingo
authors.initials: I
authors.lastname: Neumann