Computer · Concrete Technology
The Schmidt rebound hammer assesses the surface hardness of concrete based on which fundamental principle?
- 1Elastic rebound of a mass propelled by a spring following contact with the concrete surface✓
- 2Assessment of stress waves propagating through concrete
- 3Rate of thermal dissipation from the concrete surface
- 4Depth of penetration of a steel probe into the concrete
Correct answer
Elastic rebound of a mass propelled by a spring following contact with the concrete surface
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