Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/40846
Title: Hot spot stress approach for fatigue life assessment in welded bridge connections using monitoring data and FEM analysis
Authors: Ye, XW
Ni, YQ 
Ko, JM 
Issue Date: 2007
Source: Proceedings of the 3rd International Conference on Structural Health Monitoring and Intelligent Infrastructure, Vancouver, Canada, 13-16 November 2007 (CD-ROM) How to cite?
Abstract: This paper presents a study of using long-term monitoring data and the hot spot stress approach for fatigue life assessment of a suspension steel bridge installed with a long-term structural health monitoring (SHM) system. First, a global finite element model (FEM) of the bridge and a local FEM for typical welded connections are developed using the general-purpose commercial software ABAQUS. Hot spot stresses and stress concentration factors (SCFs) at failure-critical locations are calculated by means of the surface extrapolation technique with FEM analysis. Then the hot spot stress approach is applied to evaluate the fatigue life of welded details by using the strain measurement data from the long-term monitoring system. The fatigue assessment results obtained by the hot spot stress approach are also compared with those obtained by the nominal stress approach.
URI: http://hdl.handle.net/10397/40846
ISBN: 978-0-9736430-4-6
Appears in Collections:Conference Paper

Access
View full-text via PolyU eLinks SFX Query
Show full item record

Page view(s)

22
Last Week
1
Last month
Checked on Sep 17, 2017

Google ScholarTM

Check



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.