Method for molding asphalt mixture specimen for test by using rotary compaction method
A technology of asphalt mixture and rotary compaction, which is applied in the field of highway pavement testing, can solve problems such as the lack of unified consideration of the coordination of the mixture, quality control and acceptance standards, and the actual performance of the road surface, so as to facilitate popularization, reduce differences, Make device simple effects
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[0036] The present invention will be further described below in conjunction with the accompanying drawings.
[0037] A method for forming an asphalt mixture specimen for testing by rotary compaction method, comprising the following steps:
[0038] (1) Specimen preparation, including the following steps:
[0039] (11) Mix asphalt mixture with reference to "Test Regulations for Highway Asphalt and Asphalt Mixture" (JTJ052);
[0040] (12) Test the theoretical maximum density of asphalt mixture according to the "Test Regulations for Highway Asphalt and Asphalt Mixture" (JTJ052);
[0041] (13) Determine the weight of asphalt mixture required to make the test piece according to the target void ratio and theoretical maximum density calculation;
[0042] (14) Based on the required weight of asphalt mixture, use a gyratory compactor to make a test piece with a diameter of 150mm according to the target void ratio;
[0043] (15) Conserve or cure the specimen according to the requireme...
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