Red mud-based nano anti-stripping agent, and preparation method and application thereof
A technology of anti-stripping agent and red mud, which is applied in the direction of roads, road repairs, on-site coagulation pavements, etc., can solve problems such as poor adhesion, reduce engineering costs, reduce construction costs and industrial production costs, and reduce early Effect of disease
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Embodiment 1
[0048] A kind of granite asphalt concrete, comprises following raw material:
[0049] (1) Granite asphalt concrete raw materials: according to parts by weight, including the following components: 60 parts of granite coarse aggregate, 30 parts of granite fine aggregate, 4 parts of 70# matrix road petroleum asphalt, 3 parts of red mud-based nano anti-stripping agent , 3 parts of limestone slag, and the technical indicators of each raw material meet the relevant requirements in the "Technical Specifications for Construction of Highway Asphalt Pavement" (JTG F40-2004); the type of asphalt mixture: AC-20.
[0050] (2) Raw material of anti-stripping agent: by parts by weight, including the following components: 80 parts of red mud, 4 parts of slaked lime, 10 parts of white mud, 3 parts of fly ash, 3 parts of surfactant, and described red mud adopts sintering French red mud; the surfactant uses a silane coupling agent.
[0051] Described granite asphalt concrete preparation method c...
Embodiment 2
[0062] A kind of granite asphalt concrete, comprises following raw material:
[0063] (1) Granite asphalt concrete raw material: same as embodiment 1.
[0064] (2) Anti-stripping agent raw material: by weight, including the following components: 80 parts of red mud, 4 parts of slaked lime, 10 parts of white mud, 3 parts of fly ash, 3 parts of surfactant, and described red mud adopts Bayer French red mud; the surfactant adopts dodecyl.
[0065] Described granite asphalt concrete preparation method comprises the steps:
[0066] (1) Firstly, the Bayer process red mud, slaked lime, fly ash, and white mud were subjected to conventional primary crushing respectively, and then dried in an oven at 105°C for 3 hours to remove water.
[0067] (2) Mix the four kinds of raw materials initially crushed in step (1) according to the ratio in this example, and add a ball mill to blend and grind for 3 hours, and grind to the specifications specified in "Technical Specifications for Road Asph...
Embodiment 3
[0076] A kind of granite asphalt concrete, comprises following raw material:
[0077] (1) Granite asphalt concrete raw materials: by weight, including the following components: 50 parts of granite coarse aggregate, 40 parts of basalt fine aggregate, 4 parts of 70# matrix road petroleum asphalt, and 3 parts of red mud-based nano anti-stripping agent , 3 parts of limestone slag, and the technical indicators of each raw material meet the relevant requirements in the "Technical Specifications for Construction of Highway Asphalt Pavement" (JTG F40-2004); the type of asphalt mixture: AC-20.
[0078] (2) Raw material of anti-stripping agent: in parts by weight, it includes the following components: 90 parts of red mud, 2 parts of slaked lime, 5 parts of white mud, 2 parts of fly ash, and 1 part of surfactant. The red mud is sintered red mud; the surfactant is octadecyl quaternary ammonium salt.
[0079] Described granite asphalt concrete preparation method comprises the steps:
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