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A Comparison of Computational Methods to Predict the Progressive Collapse Behaviour of a Damaged Box Girder

Lookup NU author(s): Dr Simon Benson, Professor Bob Dow

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Abstract

The progressive collapse of a box beam under longitudinal bending can be predicted using various computational approaches, including finite element methodologies and the simplified progressive collapse method. These methodologies are employed to complete a series of analyses on three small box girders. The models are first analysed in the intact condition and then several damage scenarios are investigated. The results from the different computational approaches are compared to determine their relative performance. The study demonstrates the significance of residual stresses that are created during the damage simulation and are represented using differing assumptions in each of the compared methodologies.

Publication metadata

Author(s): Benson S, AbuBakar A, Dow RS

Publication type: Article

Publication status: Published

Journal: Engineering Structures

Year: 2013

Volume: 48

Pages: 266-280

Print publication date: 01/03/2012

Date deposited: 22/03/2013

ISSN (print): 0141-0296

ISSN (electronic): 1873-7323

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.engstruct.2012.09.031

DOI: 10.1016/j.engstruct.2012.09.031

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