Identification of Significant Failure Modes under Traffic-Load for an Arch Bridge System

Xin Gao; Lei Wang; Wei Hang Qin

doi:10.4028/www.scientific.net/AMM.178-181.2043

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 178-181Identification of Significant Failure Modes under...

Identification of Significant Failure Modes under Traffic-Load for an Arch Bridge System

Abstract:

An important part of system reliability estimation is to identify the subset of significant failure modes. A new identification method was proposed for the combination of failure modes of a concrete filled steel tubular arch bridge. The innovative method was based on critical strength branch and bound algorithm and implemented in the combination with the finite element package ANSYS and the MATLAB procedure. The results reveal various combinations of failure modes in significantly reduced time and efforts comparing to the previous conventional method. Additionally, the suggested method can be used for the verification of the system reliability with more specific predictions of the failure mode.

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Periodical:

Applied Mechanics and Materials (Volumes 178-181)

Pages:

2043-2047

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.178-181.2043

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Online since:

May 2012

Authors:

Xin Gao, Lei Wang, Wei Hang Qin

Keywords:

Arch Bridge, Failure Mode, Identification Strategy, Traffic-Load

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