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The Rebound Hammer has been around since the late 1940’s and today is a commonly used method for estimating the compressive strength of in-place concrete. Developed in 1948 by a Swiss engineer named Ernst Schmidt, the device measures the hardness of concrete surfaces using the rebound principle. The device is often referred to as a Swiss Hammer.
Rebound Hammer test is a Non-destructive testing method of concrete which provide a convenient and rapid indication of the compressive strength of the concrete. The rebound hammer is also called as Schmidt hammer that consist of a spring controlled mass that slides on a plunger within a tubular housing.
Sep 14, 2023 · To determine the material's compressive strength, you must employ the rebound hammer test conversion charts or equations provided by the rebound hammer's manufacturer. These resources establish correlations between rebound values and estimated compressive strength.
Jul 9, 2019 · Recent developments in rebound hammers, and improved guidelines for estimating concrete strength can help structural engineers and condition assessment professionals in accurately classify concrete strength, and make data-informed decisions on the location of cores in a cost-effective framework.
Rapid and efficient collection of concrete uniformity and quality data in both new and existing construction is the test hammer's strong suit. A simple testing program creates an overall picture of concrete quality, highlights areas with lower strength, and isolates areas damaged by freezing or fire.
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. This innovative technique allows engineers to: Evaluate the suitability of hardened concrete for its intended use.
UTC-3028 Concrete Test Hammer (Schmidt Hammer N Type) is used to measure the compressive strength characteristics of hardened concrete non-destructively, control uniform concrete quality and detect weak spots in the concrete.
