Structural details of steel girder-abutment joints in integral bridges: An experimental study

Sang Hyo Kim, Ji Hyun Yoon, Jun Hwan Kim, Woo Jin Choi, Jin Hee Ahn

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Integral bridges, which have integrated superstructures and substructures, should essentially maintain the rigid behavior and structural safety of the various existing joints. Especially temperature sensitive, girder-abutment joints for integral steel bridges are steel-concrete composite structures and require sufficient rigid behavior. Yet, various design guidelines and standards do not state these specific designs or construction methods. This study proposes structural details of girder-abutment joints in integral steel bridges for enhanced rigid behavior and load-resisting and crack-resisting capacity. Thus, this study additionally suggests various joints that apply stud shear connectors and perfobond rib shear connectors to existing empirically constructed girder-abutment joints. This study verifies the performance and evaluates the behavior of the proposed steel girder-abutment joints through experimental loading tests of empirically constructed joint specimens and specimens of the proposed joints. Also, this study performs FE analysis (non-linear structural analysis), which applies contact interaction of the interface of the steel-concrete composite joints. As a result of the experimental loading test, all the existing empirical joints and the proposed joints demonstrated sufficient rigidity and crack-resisting capacity under required design and yield load and are applicable as girder-abutment joints for integral steel bridges. Moreover, the proposed joints are judged to be structurally superior to the empirically constructed joints by the results of analysis for load-displacement relationships, crack-propagation behaviors, and load-strain relationships. Like the proposed girder-abutment joints in this study, joints with improved rigid behavior and load-resisting and crack-resisting capacity may resolve and properly control durability and serviceability issues of integral bridges.

Original languageEnglish
Pages (from-to)190-212
Number of pages23
JournalJournal of Constructional Steel Research
Volume70
DOIs
Publication statusPublished - 2012 Mar 1

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Abutments (bridge)
Steel bridges
Steel
Cracks
Concretes
Composite structures
Structural analysis
Rigidity
Crack propagation
Loads (forces)
Durability
Composite materials
Temperature

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials
  • Metals and Alloys

Cite this

Kim, Sang Hyo ; Yoon, Ji Hyun ; Kim, Jun Hwan ; Choi, Woo Jin ; Ahn, Jin Hee. / Structural details of steel girder-abutment joints in integral bridges : An experimental study. In: Journal of Constructional Steel Research. 2012 ; Vol. 70. pp. 190-212.
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Structural details of steel girder-abutment joints in integral bridges : An experimental study. / Kim, Sang Hyo; Yoon, Ji Hyun; Kim, Jun Hwan; Choi, Woo Jin; Ahn, Jin Hee.

In: Journal of Constructional Steel Research, Vol. 70, 01.03.2012, p. 190-212.

Research output: Contribution to journalArticle

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AU - Yoon, Ji Hyun

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AU - Ahn, Jin Hee

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AB - Integral bridges, which have integrated superstructures and substructures, should essentially maintain the rigid behavior and structural safety of the various existing joints. Especially temperature sensitive, girder-abutment joints for integral steel bridges are steel-concrete composite structures and require sufficient rigid behavior. Yet, various design guidelines and standards do not state these specific designs or construction methods. This study proposes structural details of girder-abutment joints in integral steel bridges for enhanced rigid behavior and load-resisting and crack-resisting capacity. Thus, this study additionally suggests various joints that apply stud shear connectors and perfobond rib shear connectors to existing empirically constructed girder-abutment joints. This study verifies the performance and evaluates the behavior of the proposed steel girder-abutment joints through experimental loading tests of empirically constructed joint specimens and specimens of the proposed joints. Also, this study performs FE analysis (non-linear structural analysis), which applies contact interaction of the interface of the steel-concrete composite joints. As a result of the experimental loading test, all the existing empirical joints and the proposed joints demonstrated sufficient rigidity and crack-resisting capacity under required design and yield load and are applicable as girder-abutment joints for integral steel bridges. Moreover, the proposed joints are judged to be structurally superior to the empirically constructed joints by the results of analysis for load-displacement relationships, crack-propagation behaviors, and load-strain relationships. Like the proposed girder-abutment joints in this study, joints with improved rigid behavior and load-resisting and crack-resisting capacity may resolve and properly control durability and serviceability issues of integral bridges.

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