EN 12390-3 is a European standard that specifies the method for determining the compressive strength of hardened concrete. It is one of the critical standards used in the construction industry to assess concrete materials’ quality and durability. The standard outlines the procedures for preparing and testing concrete specimens, typically in the form of cylinders or cubes, to measure their ability to withstand compressive forces.

The Semi-Automatic Core Grinding Machine – NG-CoreGrind 1000 is directly relevant to this standard because it is designed to prepare concrete specimen surfaces with a high degree of precision. For accurate compressive strength testing as required by EN 12390-3, the load-bearing surfaces of the concrete specimens must be perfectly flat and parallel. The NG-CoreGrind 1000 achieves this by grinding the specimen ends to a maximum tolerance of 0.050 mm flatness.

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