Tests for mechanical and physical properties of aggregates - Determination of the resistance to wear by abrasion from studded tyres. Nordic test Ingestion-build-251241 IEC 50(161):1990

IEC 50(161):1990

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8 Calculation of sound pressure and of sound power levels

Electrical component manufacturers

Tests for mechanical and physical properties of aggregates - Determination of the resistance to wear by abrasion from studded tyres. Nordic test Ingestion-build-251241 IEC 50(161):19901 Scope This European Standard describes the reference method, used for type testing and in case of dispute, for determination of the resistance of coarse aggregate to wear by abrasion from studded tyres. For other purposes, in particular factory production control, other methods may be used, provided that an appropriate working relationship with the reference method has been established. The test is applicable to aggregates with a size fraction of