Super-viscous wear-resistant composite modified emulsified asphalt thin overlay material and preparation method thereof
An emulsified asphalt and composite modification technology is applied in the field of super-viscous and wear-resistant composite modified emulsified asphalt thin-layer covering materials and its preparation field, which can solve the problems of poor wear resistance and low bonding strength, and is not easy to achieve. The effect of cracking, good adhesion and durability improvement
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[0030] A method for preparing a super-sticky and wear-resistant composite modified emulsified asphalt thin-layer overlay material, comprising the following steps:
[0031] (1) According to mass percentage, take raw materials: 6-8 parts of modified emulsified asphalt, 0.06-0.16 parts of basalt fiber, 0.3-1.2 parts of rubber powder, 1-3.5 parts of cement, 100 parts of aggregate, 2-4 parts of mineral powder ,spare;
[0032] (2) Pour the aggregate, basalt fiber and rubber powder into the mixer for premixing, and the premixing time is not less than 120s;
[0033] (3) Add the modified emulsified asphalt to the mixer, and the mixing time is not less than 120s, so that the aggregate, basalt fiber and rubber powder are wrapped by the modified emulsified asphalt;
[0034] (4) Stir the cement and mineral powder evenly, pour them into the mixer, and the mixing time is not less than 180s. After the stirring is completed, the ultra-sticky and wear-resistant composite modified emulsified a...
Embodiment 1
[0037] The present embodiment selects raw material and each component mass parts as follows:
[0038]
[0039] Pour the aggregate, basalt fiber and rubber powder into the mixer for premixing for 120s; add the modified emulsified asphalt to the mixer, and mix for 125s, so that the aggregate, basalt fiber and rubber powder are wrapped by the modified emulsified asphalt; cement, The mineral powder is stirred evenly, poured into the mixer, and the mixing time is 180s. After the stirring is completed, the ultra-sticky and wear-resistant composite modified emulsified asphalt thin-layer overlay material can be prepared.
Embodiment 2
[0041] The present embodiment selects raw material and each component mass parts as follows:
[0042]
[0043] Pour the aggregate, basalt fiber and rubber powder into the mixer for premixing for 125s; add the modified emulsified asphalt to the mixer, and mix for 120s, so that the aggregate, basalt fiber and rubber powder are wrapped by the modified emulsified asphalt; cement, The mineral powder is stirred evenly, poured into the mixer, and the mixing time is 185s. After the stirring is completed, the ultra-sticky and wear-resistant composite modified emulsified asphalt thin-layer overlay material can be prepared.
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