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Learn how to use rebound hammer, a non-destructive testing method, to measure the compressive strength of concrete. Find out the objectives, procedure, correlation, interpretation and limitations of rebound hammer test.
Learn how to perform a non-destructive test of concrete compressive strength using a rebound hammer or a Schmidt hammer. Find out the objectives, code, calibration, and interpretation of the test results.
Learn how to use a concrete test hammer to assess the quality and strength of hardened concrete. Find out the history, types, selection, preparation, and analysis of rebound hammer test data.
Dec 26, 2023 · Learn how to use the rebound hammer test, a non-destructive method for assessing the compressive strength of concrete on-site. Find out the objectives, principle, procedure, influencing factors, and quality of concrete corresponding to different rebound numbers.
Learn how to use a rebound hammer to test the compressive strength, uniformity, and quality of concrete without damaging it. Find out the equipment, procedure, result calculation, and factors affecting the test accuracy.
Jun 21, 2024 · The rebound test, sometimes called the Schmidt Hammer test, is a non-destructive testing for measuring concrete’s strength and surface hardness. It works by determining the rebound velocity of concrete test hammers.
How does it work? ASTM C805, “Standard Test Method for Rebound Number of Hardened Concrete”, summarizes the procedure as “A steel hammer impacts, with a predetermined amount of energy, a steel plunger in contact with a surface of concrete, and the distance that the hammer rebounds is measured.”
