EVALUATION OF PERFORMANCE AND FATIGUE OF STEEL BRIDGES

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RAHAEI A.R.; HEJAZI S.; AKBARI PAKDAMAN D.

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Journal Paper

Paper Information

Journal: JOURNAL OF TRANSPORTATION RESEARCH Year:2005 | Volume:2 | Issue:2 Page(s): 83-94

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Information Journal Paper

Title

EVALUATION OF PERFORMANCE AND FATIGUE OF STEEL BRIDGES

Author(s)

RAHAEI A.R. | HEJAZI S. | AKBARI PAKDAMAN D. | Issue Writer Certificate

Keywords

ORTHOTROPIC DECKQ4

EXTERNAL PRESTRESSINGQ4

FATIGUEQ2

EXCESS LOAD ANALYSISQ2

PERFORMANCE EVALUATIONQ2

Abstract

Bridges are utilized as vital arteries for urban and intercity transportation systems. In our country, Iran, there are several bridges, that seem weak against the existing live loads. These bridges are resistant from static point of view, but their partial and overall seismic performance should be interrogated and after determination of vulnerable points, a suitable retrofitting scheme should be presented. The purpose of the present study is to carry out the above-mentioned task for a specific model of existing bridges. The studied case is an orthotropic steel bridge. At first, seismic vulnerabilities of steel bridge during past earthquakes and recommended appropriate methods of retrofitting were studied. In order to render a performance assessment of the bridge, a nonlinear pushover analysis was done. The nonlinear response of the bridge was investigated from the first pier hinging to the inelastic equilibrium condition during the design level earthquake (DLE) and then to the ultimate limit state (ULS). During the yielding process and reduction of the bridge structure's stiffness, its influence on the period lengthening and effective viscous damping was specified.

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APA: Copy

RAHAEI, A.R., HEJAZI, S., & AKBARI PAKDAMAN, D.. (2005). EVALUATION OF PERFORMANCE AND FATIGUE OF STEEL BRIDGES. JOURNAL OF TRANSPORTATION RESEARCH, 2(2), 83-94. SID. https://sid.ir/paper/83940/en

Vancouver: Copy

RAHAEI A.R., HEJAZI S., AKBARI PAKDAMAN D.. EVALUATION OF PERFORMANCE AND FATIGUE OF STEEL BRIDGES. JOURNAL OF TRANSPORTATION RESEARCH[Internet]. 2005;2(2):83-94. Available from: https://sid.ir/paper/83940/en

IEEE: Copy

A.R. RAHAEI, S. HEJAZI, and D. AKBARI PAKDAMAN, “EVALUATION OF PERFORMANCE AND FATIGUE OF STEEL BRIDGES,” JOURNAL OF TRANSPORTATION RESEARCH, vol. 2, no. 2, pp. 83–94, 2005, [Online]. Available: https://sid.ir/paper/83940/en

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