Asphalt penetration type water vapor diffusion coefficient detection method
A diffusion coefficient and detection method technology, applied in diffusion analysis, measuring devices, instruments, etc., can solve the problems of measuring asphalt, and achieve the effects of preventing water damage, simple and easy-to-operate test methods, and simple and easy-to-obtain experimental materials
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[0048] The embodiment of the present invention provides an asphalt penetration type water vapor diffusion coefficient detection method, combining figure 1 look, figure 1 Schematic flow chart of the asphalt penetration type water vapor diffusion coefficient detection method provided by the present invention Figure 1 , the above-mentioned asphalt penetration type water vapor diffusion coefficient detection method includes steps S1 to S4, wherein:
[0049] In step S1, an aggregate sample coated with an asphalt oil film is prepared, wherein the aggregate sample coated with an asphalt oil film sequentially includes a first asphalt oil film layer, an aggregate layer and a second asphalt oil film layer;
[0050]In step S2, the water vapor diffusion coefficient of the test piece sheet is measured by the detection device by the following first formula, wherein the test piece sheet includes an aggregate sample not coated with asphalt oil film and an aggregate sample coated with asphal...
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