Fatigue Life Assessment of Orthotropic Steel Deck with UHPC Pavement
Joint Authors
Jiang, Xu
Luo, Chengwei
Yuan, Yuan
Wu, Chong
Source
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-04-11
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
In recent years, a number of large-span bridges with orthotropic steel decks were constructed in China.
With increasing traffic volumes and higher wheel loads, many fatigue cracks developed at the welds and the edge of cut-out holes.
This paper aims at presenting the numerical analysis on the fatigue performance of the orthotropic steel deck using ultrahigh performance concrete (UHPC) overlay as the deck pavement instead of the conventional asphalt concrete pavement.
By using finite element method (FEM) model, stress distribution at fatigue sensitive locations under the action of wheel loads is characterized and the obtained stress ranges indicate that the UHPC pavement significantly reduces the magnitude of the stress peak valued.
A suggested truck stream model based on the weigh-in-motion (WIM) data of four bridges in China is employed to calculate the stress variation at specific fatigue details.
Furthermore, the fatigue damage accumulation at fatigue details under the UHPC and conventional asphalt concrete pavement is studied based on Miner’s linear cumulative damage rule and the rain-flow method.
The results indicate that the UHPC pavement on the orthotropic steel deck can extend the service lives of the concerned regions over 100 years, but the fatigue lives will reduce significantly when the elastic modulus of UHPC decreases to 50% of the original value.
American Psychological Association (APA)
Jiang, Xu& Yuan, Yuan& Wu, Chong& Luo, Chengwei. 2017. Fatigue Life Assessment of Orthotropic Steel Deck with UHPC Pavement. Journal of Engineering،Vol. 2017, no. 2017, pp.1-10.
https://search.emarefa.net/detail/BIM-1175182
Modern Language Association (MLA)
Jiang, Xu…[et al.]. Fatigue Life Assessment of Orthotropic Steel Deck with UHPC Pavement. Journal of Engineering No. 2017 (2017), pp.1-10.
https://search.emarefa.net/detail/BIM-1175182
American Medical Association (AMA)
Jiang, Xu& Yuan, Yuan& Wu, Chong& Luo, Chengwei. Fatigue Life Assessment of Orthotropic Steel Deck with UHPC Pavement. Journal of Engineering. 2017. Vol. 2017, no. 2017, pp.1-10.
https://search.emarefa.net/detail/BIM-1175182
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1175182