Design and retrofitting of RCC Cross Girders at Metro line Stations

dmrc

Problem:

  • Structural retrofitting of cross girders was required due to an construction error.

Solution:

  • 24 cross girders were retrofitted after carrying out design analysis.
  • Work involved Grouting and section builtup with Microconcrete
  • Application of carbon fiber laminate and wraps as per design

The job was carried out in short time frames of 2 t. 3 hours in late night hours.
Traffic management on roads below metro lines was a major challenge.
Fullscale load testing was done successfully.


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