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Look Deep : Concrete Test Hammer

The concrete test hammer remains to this day the most widely used non-destructive test instrument for a rapid assessment of the condition of a concrete structure. 
The test on concrete structures gives an immediate indication of the compressive strength of the concrete using the calibration curve supplied with.
Objective of Rebound Hammer Test:
-To assess the uniformity of the concrete
-To determine the compressive strength of the concrete by relating the rebound index and the compressive strength
- To assess the quality of the concrete based on the standard specifications
-To relate one concrete element with other in terms of quality
- Rebound hammer test method can be used to differentiate the acceptable and questionable parts of the structure or to compare two different structures based on strength.