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Mapping the Structural Frame of a Damaged Reinforced Concrete Building using As-Damaged Scans and As-Built BIM

Zeibak-shini, R; Ma, L; Sacks, R; (2015) Mapping the Structural Frame of a Damaged Reinforced Concrete Building using As-Damaged Scans and As-Built BIM. In: Proceedings of the 32nd CIB W78 Conference 2015. CIB: Eindhoven, The Netherlands. Green open access

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Abstract

After an earthquake, Terrestrial Laser Scanning (TLS) can capture point clouds of the damaged state of building facades rapidly, remotely and accurately. A long-term research effort aims to develop applications that can reconstruct ‘as-damaged’ BIM models of reinforced concrete (RC) framed buildings based on ‘as-built’ BIMs and scans of ‘asdamaged’ states. This paper focuses on a crucial step: generating an initial ‘best-guess’ for the new locations of the façade structural elements. The result serves as the seed for a recursive process in which the location and damage to each object is refined in turn. Mapping the ‘as-built’ BIM frame into the ‘as-damaged’ scan is challenging because each element may have different displacement and damage. The algorithm exploits the topology of RC frames to perform initial mapping of the structural grid onto the damaged facade. The approach was tested on a synthetic dataset prepared from a real earthquake-damaged building. Although successful, it has yet to be tested on other damaged buildings.

Type: Proceedings paper
Title: Mapping the Structural Frame of a Damaged Reinforced Concrete Building using As-Damaged Scans and As-Built BIM
Event: 32nd CIB W78 Conference 2015
Location: Eindhoven, The Netherlands
Dates: 27 October 2015 - 29 October 2015
Open access status: An open access version is available from UCL Discovery
Publisher version: https://www.cibw78.org/conferences/
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: BIM, Laser Scanning, Damage, Reinforced Concrete, Structural Frame
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > The Bartlett Sch of Const and Proj Mgt
URI: https://discovery.ucl.ac.uk/id/eprint/10076393
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