Rebound Hammer Test in Chennai
Frequently Asked Questions
What exactly does a Rebound Hammer measure?+
It measures the surface hardness of concrete. When the hammer's spring-loaded mass impacts the concrete, it bounces back. Harder, higher-strength concrete results in a higher "rebound number".
Can the Rebound Hammer test replace a Core Test?+
No. The Rebound Hammer is a rapid screening tool for surface hardness. For legally binding or critical structural decisions, it should be correlated with at least one destructive Core Test.
Why do you need to remove the paint before testing?+
The hammer must impact the actual concrete matrix. Plaster, putty, and paint are soft layers that will absorb the impact, resulting in artificially low and inaccurate strength readings.
How much does a Rebound Hammer test cost in Chennai?+
Costs usually range between ₹2,000 to ₹5,000 per visit for a standard residential check, depending on the number of points (columns/beams) being tested.
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