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BS EN 12697-12 EN 12697-12 Bituminous mixtures. Test methods. Part 12: Determination of the water sensitivity of bituminous specimens

Source:
CEN
Committee:
B/510/1 - Asphalt products
Categories:
Road construction materials
Comment period start date:
Comment period end date:
Number of comments:
0

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This document specifies three test methods for determining the effect of saturation and accelerated water conditioning:

— method A uses the indirect tensile strength of cylindrical specimens of bituminous mixtures;

— method B uses the compression strength of cylindrical specimens of bituminous mixtures;

— method C defines the bonding value for a bituminous mixture 1 h after mixing, where the bonding of bitumen and aggregate can be equated to a bonding value.

Method C is suitable for soft asphalt with bitumen of kinematic viscosity at 60 °C of 4 000 mm2/s or less.

These methods can be used to evaluate the effect of water on asphalt mixtures with or without anti-stripping additives including liquids, such as amines; and fillers, such as hydrated lime or cement.

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