Fixture of test piece for testing inter-laminar drawing fatigue of pavement and testing method thereof
A technology of pavement interlayer and testing method, which is applied in the direction of testing material strength by applying repetitive force/pulsation force, testing material strength by applying stable tension/compression, and measuring devices, which can solve discrete small problems and achieve discrete Small size, strong operability and repeatability, and stable test results
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[0045] Examples:
[0046] 1. The rotary compaction method is used to make the 150mm diameter of the asphalt mixture large Marshall specimens, and the compaction method is used to make the 150mm diameter cement stabilized crushed stone specimens. The surface of the cement stabilized crushed stone was painted with permeable layer oil and sealing material, and then the large Marshall sample of asphalt mixture was placed on the sample of cement stabilized crushed stone painted with permeable layer oil, and the press was used for static pressure forming . Let the test piece stand for more than 12 hours before proceeding to the next experiment operation. The number of samples in the same group is not less than 3.
[0047] 2. Place the test piece and the fixture for drawing fatigue in a 25°C environmental chamber, and the heat preservation time shall not be less than 6 hours.
[0048] 3. Place the test piece in the pull fatigue fixture. It should be ensured that the tensile surface...
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