High-strength asphalt mixture and preparation method thereof
A technology of asphalt mixture and asphalt binder, applied in the field of asphalt, can solve the problems of reducing the service life of pavement, low hardness of limestone, low intensity of asphalt, etc., and achieve the effects of prolonging the service life, improving the waterproofness of the pavement, and improving the quality of the pavement
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[0059] Example 1
[0060] (1) Aggregate treatment: the limestone and alkaline granite are respectively processed by a crusher, and coarse aggregates with a particle size of 20-35mm are selected, and part of the crushed limestone is crushed by a sand making machine, and the particle size is 1 -4.5mm fine aggregate spare;
[0061] (2) Material preparation: weigh 18.35% of elastic resin, asbestos lint 3.20%, waste rubber 36.00%, rosin 14.00%, water reducing agent 0.20%, paraffin 1.85%, diacetone alcohol 7.10%, stearamide 0.30 % After mixing thoroughly, heat up to 100-120 degrees Celsius;
[0062] (3) Add 0.30% emulsifier and 0.40% palmitic acid to the mixture obtained in step (2), and mix and react for 10-30 minutes;
[0063] (4) Weigh 0.60% fiber stabilizer, mix it with 0.25% silica with a fineness of 400-450 mesh, heat the material obtained in step (3) to 195 degrees Celsius, add silica-mixed fiber stabilizer Mix well;
[0064] (5) Reduce the temperature of the mixture obtained in ste...
Example Embodiment
[0066] Example 2
[0067] (1) Aggregate treatment: the limestone and alkaline granite are respectively processed by a crusher, and coarse aggregates with a particle size of 20-35mm are selected, and part of the crushed limestone is crushed by a sand making machine, and the particle size is 1 -4.5mm fine aggregate spare;
[0068] (2) Material preparation: weigh 20.00% of elastic resin, 4.50% of asbestos wool, 32.00% of waste rubber, 15.00% of rosin, 0.52% of water reducing agent, 3.20% of paraffin, 7.05% of diacetone alcohol, and 0.45 of stearamide % After mixing thoroughly, heat up to 100-120 degrees Celsius;
[0069] (3) Add 0.42% emulsifier and 0.48% palmitic acid to the mixture obtained in step (2), and mix and react for 10-30 minutes;
[0070] (4) Weigh 0.85% fiber stabilizer, mix it with 0.40% silica with a fineness of 400-450 mesh, heat the material obtained in step (3) to 195 degrees Celsius, add silica-mixed fiber stabilizer Mix well;
[0071] (5) The temperature of the mixtu...
Example Embodiment
[0073] Example 3
[0074] (1) Aggregate treatment: the limestone and alkaline granite are respectively processed by a crusher, and coarse aggregates with a particle size of 20-35mm are selected, and part of the crushed limestone is crushed by a sand making machine, and the particle size is 1 -4.5mm fine aggregate spare;
[0075] (2) Material preparation: weigh 21.40% of elastic resin, asbestos lint 5.00%, waste rubber 28.00%, rosin 17.00%, water reducing agent 0.50%, paraffin wax 3.00%, diacetone alcohol 7.20%, stearamide 0.80 % After mixing thoroughly, heat up to 100-120 degrees Celsius;
[0076] (3) Add 0.70% emulsifier and 0.80% palmitic acid to the mixture obtained in step (2), and mix and react for 10-30 minutes;
[0077] (4) Weigh 1.20% fiber stabilizer, mix it with 0.50% silica with a fineness of 400-450 mesh, heat the material obtained in step (3) to 195 degrees Celsius, add the fiber stabilized with silica Mix well;
[0078] (5) Reduce the temperature of the mixture obtained...
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