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The paper focuses on analysis and retrofitting of a 100-year-old RCC bow-string road bridge in Chitpore, Kolkata. Distresses were noted on the vertical RCC hangers, deck, crossbeams, etc. Based on NDT and visual inspection of extent of cracks and corrosion, material strengths were estimated for different members and analysis was carried out. Accordingly, structural deficiencies were quantified so that a befitting retrofitting scheme can be modelled. Stages of execution using specialised materials have also been discussed.

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Structural Retrofitting of Chitpore Bridge

  • 会议论文

  • 发表日期：

    2025年

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  • Mangesh V. Joshi,
  • S. V. Vivek

摘要

The paper focuses on analysis and retrofitting of a 100-year-old RCC bow-string road bridge in Chitpore, Kolkata. Distresses were noted on the vertical RCC hangers, deck, crossbeams, etc. Based on NDT and visual inspection of extent of cracks and corrosion, material strengths were estimated for different members and analysis was carried out. Accordingly, structural deficiencies were quantified so that a befitting retrofitting scheme can be modelled. Stages of execution using specialised materials have also been discussed.