What is the recommended minimum clearance between the reinforcing steel and surrounding concrete during concrete removal for repair work?

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No: 2/24

Question book : ACI 546R-14: Guide to Concrete Repair

Prise: £20

Question

What is the recommended minimum clearance between the reinforcing steel and surrounding

concrete during concrete removal for repair work?

concrete removal should continue around the reinforcing steel to create a minimum of 0.75 in. (19 mm) clearance to the surrounding concrete or ………. larger than the coarsest aggregate in the repair material.
ACI 546R/3.2.3.2

Answer

0.25 in. (6 mm)