A kind of bionic self-healing asphalt mixture and preparation method thereof
An asphalt mixture and self-healing technology, applied in the field of bionic self-healing asphalt mixture and its preparation, can solve the problems of accelerating the aging of asphalt concrete, consuming large energy, polluting the environment, etc., and achieving excellent instantaneous water resistance and long-term self-healing The effect of excellent performance and best self-healing effect of cracks
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Embodiment 1
[0073] This embodiment provides a bionic self-healing asphalt mixture, including mineral aggregate and bionic self-healing asphalt. Bionic self-healing asphalt includes base asphalt and bionic self-healing asphalt modifier. The bionic self-healing asphalt modifier includes self-healing components and anti-stripping components.
[0074] In this embodiment, the self-healing component includes expanded resin and expanded cement, and the anti-stripping component includes calcium lignosulfonate, sodium lignosulfonate and petroleum resin.
[0075] In this embodiment, the mineral aggregate is basalt.
[0076] In the bionic self-healing asphalt mixture of this embodiment, the mass percentage of the mineral aggregate is 80%, and the mass percentage of the bionic self-healing asphalt is 20%.
[0077] In the bionic self-healing asphalt of this embodiment, the mass percentage of the base asphalt is 20%, and the mass percentage of the bionic self-healing asphalt modifier is 80%.
[0078] In the bi...
Embodiment 2
[0097] This embodiment provides a bionic self-healing asphalt mixture and a preparation method thereof. The other steps are the same as those in Example 1, except that:
[0098] In the bionic self-healing asphalt mixture of this embodiment, the mass percentage of mineral aggregate is 99%, and the mass percentage of the bionic self-healing asphalt is 1%.
[0099] In the bionic self-healing asphalt of this embodiment, the mass percentage of the base asphalt is 40%, and the mass percentage of the bionic self-healing asphalt modifier is 60%.
[0100] In the bionic self-healing asphalt modifier of this embodiment, the mass percentage of the self-healing component is 70%, and the mass percentage of the anti-stripping component is 30%.
[0101] The self-healing component in this embodiment includes expanded resin and expanded cement, and the anti-stripping component includes calcium lignosulfonate and petroleum resin. The mass percentage of each substance in the self-healing component is: 63...
Embodiment 3
[0103] This embodiment provides a bionic self-healing asphalt mixture and a preparation method thereof. The other steps are the same as those in Example 1, except that:
[0104] In the bionic self-healing asphalt mixture of this embodiment, the mass percentage of mineral aggregate is 90%, and the mass percentage of the bionic self-healing asphalt is 10%.
[0105] In the bionic self-healing asphalt of this embodiment, the mass percentage of the base asphalt is 70%, and the mass percentage of the bionic self-healing asphalt modifier is 30%.
[0106] In the bionic self-healing asphalt modifier of this embodiment, the mass percentage of the self-healing component is 85%, and the mass percentage of the anti-stripping component is 15%.
[0107] The self-healing component of this embodiment includes a combination of expanded resin and expanded cement, and the anti-stripping component includes calcium lignosulfonate and sodium lignosulfonate. The mass percentage of each substance in the self-...
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