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Sensors 2014, 14(11), 21889-21904; doi:10.3390/s141121889

The Benefit of 3D Laser Scanning Technology in the Generation and Calibration of FEM Models for Health Assessment of Concrete Structures

†,* , †,* and †,*
Geodetic Institute, Faculty of Civil Engineering and Geodetic Science, Leibniz University Hanover, Nienburger Street 1. D-30167, Hanover, Germany
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 29 August 2014 / Revised: 28 October 2014 / Accepted: 10 November 2014 / Published: 19 November 2014
(This article belongs to the Section Physical Sensors)
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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. View Full-Text
Keywords: TLS; FEM; point cloud; surface based; concrete; calibration TLS; FEM; point cloud; surface based; concrete; calibration
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Yang, H.; Xu, X.; Neumann, I. The Benefit of 3D Laser Scanning Technology in the Generation and Calibration of FEM Models for Health Assessment of Concrete Structures. Sensors 2014, 14, 21889-21904.

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