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

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标准号:BS EN 12697-12-2008
中文标准名称: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
英文标准名称:Bituminous mixtures — Test methods for hot mix asphalt Part 12: Determination of the water sensitivity of bituminous specimens
标准类型:E43
发布日期:2008/7/31 12:00:00
实施日期:2008/7/31 12:00:00
中国标准分类号:E43
国际标准分类号:93.080.20
引用标准:EN 1426;EN 12697-6;EN 12697-8;EN 12697-23;EN 12697-27;EN 12697-29;EN 12697-31;EN 12697-32;EN 12697-33;EN 13108-1
适用范围:This European Standard describes three test methods for determining the effect of saturation and acceleratedwater conditioning.These methods can be used to evaluate the effect of moisture with or without anti-stripping additives includingliquids, 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 ofbitumen 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 isless 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, forwhich 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 than4000 mm2/s.

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