Rock rebound hammer Rock Mechanics

RHT-6000 Rock Rebound Hammer is designed specifically for the non-destructive testing of concrete structures. This method has considerable advantages over conventional methods of assessing the compressive strength of rock in that large areas can be tested in a very short time at a very low cost.
RHT-6000 is comparable with the Schmidt Hammer, Type N, this method of testing is covered by DIN 1048 and BS1881 part 202. These standards refer to assessment of the rebound hardness of motar which is directly related to the compressive strengths of the material being tested.

Brief introduction

Rebound test of rock mass refers to a simple test method to use a rebound tester (Schmidt hammer) to impact the surface of a rock mass and obtain the compressive strength of the rock according to the magnitude of the rebound value.

The rebound hammer is called Schmidt hammer. It is a substitute hammer tool that can be carried by geologists. It can quickly determine the surface hardness of rock mass (or rock block) on site or indoors, and obtain the rebound value (or rebound index). According to the rebound index (N) and the rock block Correlation analysis of compressive strength to obtain rock compressive strength (R.)

Application

The test method is simple and convenient to carry around for on-site testing, and is widely used in engineering survey work

Style

There are three main types of international general rebound hammers and hammer energy: the I-type, 0.75N.m; the N-type, 2.25N.m, and the M-type, 30N.m. The L-type and N-type are commonly used in engineering geology and rock mechanics testing.