END-BEAM TESTER

The end-beam testing apparatus measures the early age, compressive strength of institu concrete or shotcrete. Particularly in mining and tunneling operations, it is important to know the strength of material at early ages. These compressive strength values cannot be obtained through traditional methods such as shooting a panel and retrieving cores, because cores are difficult to extract at an early age and it is not recommended to core a shotcrete panel before a strength of 10 MPa (1,450 psi) has been achieved. The key to the end-beam test method is the use of molds that can be disassembled for quick and easy extraction at any strength. The test is an adaptation of the ASTM-C116, “Standard Test Method for Compressive Strength of Concrete Using Portions of Beams Broken in Flexure”. Minequip’s End-Beam Tester allows users to obtain quick, easy, and accurate early age strength readings for shotcrete and concrete.