Anti-cracking asphalt concrete and preparation method thereof
An anti-cracking technology for asphalt concrete, applied in the field of asphalt concrete, can solve problems such as the decrease of pavement structural bearing capacity and increase the degree of cracking of the pavement, and achieve the effect of reducing the degree of cracking and improving the anti-cracking performance
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[0040] Preparation Example 1
[0041]Dissolve 0.67 kg of chitosan in an acetic acid aqueous solution with a mass fraction of 2%, and the ratio of chitosan to acetic acid aqueous solution is 5 g: 200 ml. Stir until the chitosan is completely dissolved, then the solution is subjected to ultrasonic defoaming treatment until the bubbles disappear completely, and the chitosan film-forming liquid is prepared for use.
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[0042] Preparation Example 2
[0043] The difference between this preparation example and preparation example 1 is that the weight of chitosan is 1.2 kg.
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[0044] Preparation Example 3
[0045] The difference between this preparation example and preparation example 1 is that the weight of chitosan is 0.93 kg.
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