CEN - EN 12697-12
Bituminous mixtures - Test methods - Part 12: Determination of the water sensitivity of bituminous specimens
| Organization: | CEN |
| Publication Date: | 1 June 2018 |
| Status: | active |
| Page Count: | 24 |
| ICS Code (Road construction materials): | 93.080.20 |
scope:
This European Standard 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 antistripping additives including liquids, such as amines; and fillers, such as hydrated lime or cement.
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