Method for testing interfacial bond behavior of road asphalt mixture
A technology of asphalt mixture and interface bonding, applied in the direction of measuring devices, analysis materials, instruments, etc., can solve the problems of complex testing process, high requirements, and influence of testing results
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[0025] The implementation process of the present invention is described in further detail below:
[0026] a. According to the "Test Regulations for Asphalt and Asphalt Mixtures in Highway Engineering" (JTG E20-2011), the asphalt mixture was sampled with a gyratory compactor.
[0027] a.1 Prepare ordinary asphalt mixture, rubber powder modified asphalt mixture, composite rubber powder modified asphalt mixture and SBS modified asphalt mixture with the same gradation,
[0028] a.2 Form a cylindrical test piece with a diameter of 100mm and a height of 160mm with a gyratory compactor,
[0029] a.3 The rotation angle of the gyratory compactor is 1.16°, the vertical pressure is 600kPa, and the rotation speed is 30r / min;
[0030] b. Cut the formed asphalt mixture sample into semicircular test pieces
[0031] b.1 In order to obtain test pieces with different thicknesses, choose gaskets with thicknesses of 1mm, 5mm, 10mm, 20mm, and 40mm,
[0032] b.2 Cut the cylindrical test piece ...
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