Drainage asphalt mixture gradation design method based on virtual test
A technology for drainage asphalt and virtual testing, which is applied in design optimization/simulation, special data processing applications, geometric CAD, etc. It can solve the problem of inability to observe the structure of the skeleton, and achieve the effect of saving manpower, material resources and time.
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[0022] Example 1
[0023] Such as figure 1 As shown, the optimization design method of drainage asphalt mixture based on composition mechanism of this embodiment includes the following steps:
[0024] (1) According to the raw materials of the aggregate, three sets of coarse aggregate composition are tested with different PAC gradations: under the condition of the same coarse aggregate content, that is, the pass rate of 2.36mm sieve does not change, adjust the aggregates of each grade of coarse aggregate The relative content between.
[0025] (2) Generate a discrete element model of coarse aggregate mixture with a particle size of 2.36mm or more according to the trial configuration gradation: Calculate the number of aggregate particles required to be generated in each grade; generate a virtual mold; to ensure the quality of compaction, generate it in three batches Aggregate particles, first generate the first batch of aggregate particles; apply gravity and vibration to the first batc...
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