Concrete Test Hammer

The Concrete Test Hammer, also known as a Rebound Hammer or Schmidt Hammer, is a non-destructive testing (NDT) device used to evaluate the compressive strength and uniformity of concrete structures. By measuring the rebound of a spring-loaded mass impacting the concrete surface, it provides an estimate of hardness and strength.

This Concrete Test Hammer tool is widely used in construction, engineering, and quality control for:

Assessing in-situ concrete strength.

Detecting weak or deteriorated areas.

Checking uniformity and quality of curing.

Complementing core testing for structural analysis.

Concrete Test Hammer FAQ:
1. What factors affect rebound hammer test results?
Surface smoothness (rough surfaces yield lower readings).

Moisture content (wet concrete may rebound less).

Carbonation (hardened surface layers can inflate readings).

Angle of testing (horizontal, vertical-up, or vertical-down).

2. What is the typical range of concrete strength tested?
Most rebound hammers cover 10–70 MPa (1,450–10,150 psi), but high-strength concrete may require specialized calibration.