BS EN 12697-55:2019 PDF Download

BS EN 12697-55:2019 is a standard that provides three procedures for the organoleptic assessment of mixtures with bitumen emulsion. These procedures are used to evaluate the compatibility of the constituent materials of a bituminous mixture with bitumen emulsion.

Method A of the standard involves visually determining the degree of coating of the materials. This is done to assess how well the bitumen emulsion adheres to the constituent materials of the mixture.

Method B of the standard focuses on determining the consistency of the mixture. This is important as it indicates the workability of the mixture and its ability to be handled and compacted effectively.

Method C of the standard relates to the hydric aspect of the mixture. It involves evaluating the presence and distribution of emulsion residue in the mixture. This helps assess the homogeneity of the mixture and the stability of the bitumen emulsion within it.

The standard applies to both laboratory-prepared mixtures and mixtures taken from production plants. It provides a systematic approach to organoleptic assessment, ensuring that the compatibility of bituminous mixtures with bitumen emulsion is accurately evaluated.