BS EN 1097-2:2020 pdf free.Tests for mechanical and physical properties of aggregates.Methods for the determination of resistance to fragmentation. BS EN 1097-2 This document describes the reference method, the Los Angeles test, used for type testing and in case of dispute (and an alternative method, the impact test) for determining the resistance to fragmentation of coarse aggregates (main text) and...
BS EN 1097-8:2020 pdf free
BS EN 1097-8:2020 pdf free.Tests for mechanical and physical properties of aggregates.Determination of the polished stone value. BS EN 1097-8 This document describes the reference method used for type testing and in case of dispute for determining the polished stone value (PSV) of a coarse aggregate used in road surfacings. For other purposes, in particular factory production control, other methods...