Building Maintenance

The repair and rehabilitation of damaged or spalled concrete is done by removing the_____.

  • A. Loose concrete
  • B. Collapsing
  • C. Breakage
  • D. Bonding
Answer: Option A.
Explanation: 

By removing the loose concrete, the repair and rehabilitation of damaged or spalled concrete is done. Temporary support is provided to the girder to relieve dead load stresses and the case of pretressed concrete bridge decks, special stress check up is essential before starting the repair works.

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