A method for evaluating the permeability performance of permeable asphalt pavement based on fluid-solid coupling analysis
A technology of permeable asphalt and permeability performance, applied in the analysis of materials, permeability/surface area analysis, suspension and porous material analysis, etc., can solve the problems of difficult popularization and application, neglect of permeability performance, too macroscopic conclusions, etc., to save time and Cost, Intuitive Penetration Performance, Effectiveness of Efficient Evaluation Methods
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[0040]The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0041]The embodiment of the present invention proposes a method for evaluating the penetration performance of a permeable asphalt pavement based on stream solid coupling analysis, such asfigure 1 As shown, the method includes the following steps:
[0042]Step 10) Perform an indoor penetration test to determine the material parameters and hydrographic parameters of each structural layer of the water-water asphalt pavement. The material parameters include density, porosity, modulus and Poisson ratio; the hydrographic parameters include saturated permeation coefficients, residual volume containing water content and saturated content of water.
[0043]Step 20) Using the Van Genuchten Material Model and the MUALEM Permeation Model to characterize the dynamic change relationship between the volume content of the water content and the unsaturated permeation coefficient...
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