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RCC Column Jacketing & Foundation Underpinning Explained

Published on July 21, 2026 by Jodha Engineering Department

Reinforcing Lifted Building Foundations

After elevating a structure to the desired height, new foundation extensions must be cast to permanently bear structural loads.

Jacketing & Underpinning Workflow

  • Surface Chipping & Cleaning: Chipping old concrete surfaces to expose aggregate for proper bonding.
  • Rebar Shear Connectors: Drilling and anchoring steel rebar dowels into old columns using epoxy resins.
  • Micro-Concrete Pouring: Encasing columns in high-strength, non-shrink self-compacting concrete jackets.
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