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Online ISSN : 1884-0329
Print ISSN : 1880-9928
ISSN-L : 1880-9928
Fatigue Reinforcement With Attaching UFC Panels On Orthotropic Steel Deck
Chitoshi MIKITakashi KANOMakoto KATAGIRIHisatada SUGANUMA
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2008 Volume 15 Issue 58 Pages 79-87

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Abstract

Recently, the fatigue cracks which penetrated through the deck plate of orthotropic steel decks have been found. The cause of the fatigue cracks is the local bending of deck plate. Therefore, reinforcement of deck plate is effective. This study addressed the stress reduction by attaching UFC (Ultra-high-strength Fiber-reinforced Concrete) panels onto deck plate. We evaluated its effectiveness by FEM and static load test. As a result, the method could reduce stress at scallop of transverse rib up to 30%, and still had enough stress reduction effect, even if UFC panels detached from deck plates.

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© Japanese Society of Steel Construction
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