BS EN 12697-12:2008
沥青混合料.热混沥青的试验方法.沥青试样的水敏感度的测定

Bituminous mixtures — Test methods for hot mix asphalt Part 12: Determination of the water sensitivity of bituminous specimens

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标准号

BS EN 12697-12:2008

发布

2008年

发布单位

英国标准学会

替代标准

BS EN 12697-12:2018

当前最新

BS EN 12697-12:2018

 

 

引用标准

EN 12697-23 EN 12697-27 EN 12697-29 EN 12697-31 EN 12697-32 EN 12697-33 EN 12697-6 EN 12697-8 EN 13108-1 EN 1426

适用范围

This European Standard describes three test methods for determining the effect of saturation and accelerated water conditioning. These methods can be used to evaluate the effect of moisture with or without anti-stripping additives including liquids, such as amines, and fillers, such as hydrated lime or cement:  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 of soft asphalt mixtures 1 h after mixing, where the bonding of bitumen and aggregate can be equated to a bonding value. Method A and method B give the same result on average. However, if the slenderness of the specimens is less than 0,5, method B is not suitable. Method C is suitable for soft asphalt mixtures with bitumen of viscosity at 60 ºC of 4000 mm2/s or less, for which methods A and B are not suitable. NOTE Methods A and B are suitable for soft asphalt mixtures with bitumen of viscosity at 60 ºC greater than 4000 mm2/s.

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