Wednesday, April 05, 2017

Core Cutting In Reinforced Cement Concrete Structures

Cores are generally cut with the use of a rotary cutting tool having diamond bits. In this way, a cylindrical specimen is acquired normally with its ends to be unequal, parallel and square and occasionally with embedded pieces of reinforcement.
Core cutting is performed for the following reasons :-
  • To detect firmness and density of concrete
  • To find out depth of carbonation of concrete
  • Chemical analysis
  • Water/gas conformity
  • Petrographic analysis
  • ASHTO Chloride permeability test

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