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http://dx.doi.org/10.5762/KAIS.2019.20.4.534

Examination of Allowable Displacement by Structural Analysis of IPM Bridge  

Kim, Hong-Bae (Structural Safety Team of Gangwon Headquarters, Korea Expressway Corporation)
Han, Heui-Soo (Department of Civil Engineering, Kumoh Institute of Technology)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.4, 2019 , pp. 534-544 More about this Journal
Abstract
Because the pile-bent of IPM Bridge is projected from the soil surface, excessive displacement of abutment can be induced. According to design guide of IPM Bridge, the shape of the bridges used in this study was applied to the maximum applicable 120.0m span, 30-degree for skew angle, and 10.0m for the protruded pile-bent height. The maximum displacement by the maximum span application condition of the IPM Bridge was calculated using this bridge model, and the safety of a horizontal displacement of the IPM Bridge was investigated based on the allowable displacement presented by Bozozuk. The maximum horizontal displacement of the IPM Bridge was calculated to be larger in the winter shrinkage condition than in the summer expansion condition, the horizontal displacements were more affected by the length of a bridge than by the skew angle. And the vertical displacement was not affected by the skew angle and length. As the span increases, the horizontal displacement increases significantly, the horizontal displacement at 120.0m span length was found to exceed the allowable displacement proposed by Bozozuk. However, the moment generated in the pile-bent did not exceed the plastic moment.
Keywords
IPM Bridge; Pile Bent; Structural Analysis; Horizontal Displacement; Allowable Displacement;
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Times Cited By KSCI : 3  (Citation Analysis)
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