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BS EN 12697-12:2018

BS EN 12697-12:2018

$142.49

Bituminous mixtures. Test methods – Determination of the water sensitivity of bituminous specimens

Published By Publication Date Number of Pages
BSI 2018 24
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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 anti-stripping additives including liquids, such as amines; and fillers, such as hydrated lime or cement.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
9 3 Terms and definitions
4 Principle
10 5 Method A
5.1 Apparatus
5.1.1 Compression testing machine
5.1.2 Vacuum system
5.1.3 Vacuum container
5.1.4 Water bath
5.1.5 Air chamber
5.1.6 Other material
5.2 Specimen preparation
5.2.1 Number of specimens
5.2.2 Dimensions of specimens
11 5.2.3 Method of compaction
5.2.4 Visual examination
5.2.5 Measurement of dimensions
5.2.6 Determination of bulk density
5.2.7 Division into subsets
5.2.8 Curing of specimens
5.3 Conditioning
5.3.1 Dry specimens
5.3.2 Wet specimens
12 5.4 Test procedure
13 6 Method B
6.1 Apparatus
6.1.1 Compression testing machine
14 6.1.2 Measuring device
6.1.3 Vacuum system
6.1.4 Vacuum container
6.1.5 Water bath
6.1.6 Air chamber
6.1.7 Other material
15 6.2 Specimen preparation
6.2.1 Number of specimens
6.2.2 Dimensions of specimens
6.2.3 Method of compaction
6.2.4 Visual examination
6.2.5 Measurement of dimensions
16 6.2.6 Determination of bulk density
6.2.7 Division into subsets
6.2.8 Curing of specimens
6.3 Conditioning
6.3.1 Dry specimens
6.3.2 Wet specimens
6.4 Test procedure
17 7 Method C
7.1 Apparatus
7.1.1 Graduated glass beaker
7.1.2 Rubber plug
7.1.3 Filtering paper
7.1.3.1 Rack for holding the filtering paper
7.1.4 Collecting container
7.1.5 Balance
7.1.6 Container for drying the filtering paper
7.1.7 Heating chamber
7.2 Specimen preparation
7.3 Test procedure
18 8 Calculation
8.1 Volume of cylindrical specimens
8.2 Indirect tensile strength ratio (Method A)
19 8.3 Compressive strength ratio (Method B)
8.4 Bonding value (Method C)
9 Test report
9.1 Method A
20 9.2 Method B
9.3 Method C
10 Precision
10.1 Method A
21 10.2 Method B
10.3 Method C

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BS EN 12697-12:2018
$142.49