Retrofitting of RCC chimney in Karnataka
goa-minerals

Problem:

The 60 mtr tall and 2.9 mtr diameter RCC chimney at Goaminrals, Dharwad showed sway of 273 mm due to construction error. This resulted in excessive moments at different levels of chimney.

Solution:

  • complete design build solution to take care of this additional moments of chimney. A hybrid hybrid system of carbon laminates and wraps at bottom and helical GFRP wraps at top was designed and executed by Sanrachana Team
  • Cracked sections were rebuild using thixotropic mortar
  • Minor cracks were grouted with epoxy and silo was externally wrapped with alternate vertical and Horizontal GFRP and CFRP wraps.
  • Protective UV resistant Coating was applied on FRP System

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