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  1. SSMSパブリケーション
  2. Vol.09

FATIGUE DAMAGE MECHANISM AND ITS APPLICATION BASED ON FULL-SCALE ANALYSIS OF STEEL-CONCRETE COMPOSITE SLAB SUBJECTED TO REPETITION OF TRAFFIC

http://hdl.handle.net/10173/1260
http://hdl.handle.net/10173/1260
b845bd26-cc12-409a-87a8-3e24fb5ff108
名前 / ファイル ライセンス アクション
sms13-8898.pdf sms13-8898.pdf (2.3 MB)
Item type 会議発表論文 / Conference Paper(1)
公開日 2015-02-28
タイトル
タイトル FATIGUE DAMAGE MECHANISM AND ITS APPLICATION BASED ON FULL-SCALE ANALYSIS OF STEEL-CONCRETE COMPOSITE SLAB SUBJECTED TO REPETITION OF TRAFFIC
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_5794
資源タイプ conference paper
著者 OGIYAMA, Yotaro

× OGIYAMA, Yotaro

OGIYAMA, Yotaro

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FUJIYAMA, Chikako

× FUJIYAMA, Chikako

FUJIYAMA, Chikako

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TAKASUKA, Takehiro

× TAKASUKA, Takehiro

TAKASUKA, Takehiro

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抄録
内容記述タイプ Abstract
内容記述 The purpose of this study is to analyze the fatigue damage process of a plate girder bridge
supporting a steel-concrete composite slab, and to propose a method for maintenance of the composite slab.
To analyze a full-scale bridge subjected to heavy traffic, three-dimensional non-linear FE analyses and
loading rates based on an actual bridge are used.
The full-scale bridge model is a 2-lane road bridge with 30 m span length and 10.55 m width, consisting
of main girders with vertical stiffeners, cross beams, and composite slab. All structural elements were
modeled as solid elements in order to enable detailed examination of stress distributions, although shear
studs throughout the bottom plate were implicitly modeled as interface elements. The initial bond and surface
friction between transverse ribs and concrete were taken to be the other types of interface elements.
First, a static load was applied to the center of the slab at the mid-span of the bridge. Although slips between
transverse ribs and concrete were observed during the static loading process, a rapid decrease of load
carrying capacity of the composite slab was not observed.
Next, four parallel moving loads, simulating the loads of vehicles, were applied to the slab along the
bridge axis. Under high cycle load repetition, development of strains around the ribs was observed. This
indicates the characteristic cracking mechanism of concrete in the composite slab. Visualization of analysis
enabled the clarification of the fatigue damage mechanism of the composite slab. This study indicates that
inspection of this type of composite slab is important for road maintenance.
書誌情報 Society for Social Management Systems Internet Journal

巻 9, 発行日 2014-12
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 Society for Social Management Systems
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