Documentation of Bridges by Terrestrial Laser Scanner

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Title: Documentation of Bridges by Terrestrial Laser Scanner
Authors: Truong-Hong, Linh
Laefer, Debra F.
Permanent link: http://hdl.handle.net/10197/7509
Date: 23-Sep-2015
Abstract: Bridge structures are subjected to deterioration due to excessive usage, overloading, and aging material. For the last two decades, a significant amount research has been developed for collecting data for structural health monitoring. Yet, visual investigation with an on-site inspector remains the predominant method. This is true despite the highly subjective and time consuming aspects of this approach. Alternatively, terrestrial laser scanning can acquire surface details of structures quickly and accurately and is, thus, an emerging means to overcome the shortcomings of direct visual inspection. This paper presents a procedure for data collection for bridge inspection documentation and proposes a 'cell-based method' for determination of structure deterioration (involving vertical deformation and lateral distortion), as well as surface loss due to corrosion. The Guinness Bridge built in 1880s located in Dublin council, Ireland is selected as a case study to illustrate the efficacy of the proposed method.
Funding Details: European Commission - Seventh Framework Programme (FP7)
European Research Council
Type of material: Conference Publication
Publisher: IABSE
Keywords: Terrestrial laser scanning;Point cloud;Historic mental bridge;Deflection;Lateral distortion;Volume/surface loss;Damage;Documentation
DOI: 10.2749/222137815818358691
Language: en
Status of Item: Peer reviewed
Is part of: IABSE Symposium Report, IABSE Conference Geneva 2015: Structural Engineering: Providing Solutions to Global Challenges
Conference Details: IABSE Geneva Conference 2015, Geneva, Switzerland, 23 - 25 September 2015
Appears in Collections:Earth Institute Research Collection
Civil Engineering Research Collection

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