Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 259, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2020.119795
Keywords
Long-span steel bridges; Asphalt concrete surfacing; Fatigue life; Damage evolution law; Fatigue experiment
Categories
Funding
- National Natural Science Foundation of China [2016YFB0303100]
- Natural Science Foundation of Jiangsu Province [BK20171254]
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As the traffic volume and wheel load on the orthotropic deck of a long-span steel bridge increase, longitudinal cracks often develop in the asphalt concrete surfacing leading to deterioration. The purpose of this study was accordingly to derive the fatigue failure evolution law of this surfacing. The fatigue damage evolution mechanism was studied from a micro perspective to derive a general fatigue damage evolution law. Fatigue tests and theoretical predictions of fatigue life were then performed for different asphalt concrete surfacing types commonly used in the decks of long-span steel bridges to verify the derived law. (C) 2020 Published by Elsevier Ltd.
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