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Evaluation of Buckling in Prestressed Composite Truss Girder using ADINA Structure Analysis

ADINA 구조해석을 이용한 PCT 거더교 좌굴 평가에 관한 연구

  • Received : 2013.03.06
  • Accepted : 2013.08.22
  • Published : 2013.11.01

Abstract

Recently, to resolve problems regarding legal liability for accidents and disasters, various simulation techniques such as F.E.M. and F.V.M. have been used in the field of forensic engineering. In this study, we performed mechanical structure analysis using ADINA to investigate the cause of bridge collapse accidents. Such accidents occurred owing to modified and missing processes in comparison with the original design while filling with concrete. Modified and missing processes cause buckling of the upper plate and twisting of the main girder. Through this study, we determine the exact cause of bridge collapse by comparing the evaluation of the structure stability of the original design with the evaluation of the structure stability of the modified and missing process using ADINA structure analysis. Hence, this result indicates that buckling prediction through FEA is the most effective method.

Keywords

Forensic Engineering;Buckling Behavior;Finite Element Analysis;Instrumented Indentation Technique

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  2. Evaluation of the Structure Stability of a Plate Girder Bridge Using MIDAS Structure Analysis vol.38, pp.4, 2014, https://doi.org/10.3795/KSME-A.2014.38.4.451
  3. Structural Behavior of Prestressed Composite Truss Girder Considering Construction Methods vol.15, pp.3, 2015, https://doi.org/10.9798/KOSHAM.2015.15.3.69