Mixture for quickly repairing asphalt pavement and repairing method thereof
A technology of asphalt mixture and asphalt pavement, which is applied in the field of asphalt pavement repair, can solve the problems that it is not suitable for small area and emergency repair, the performance cannot be consistent with that of ordinary pavement, and the repair depth is deep, so as to shorten the construction period, improve the service life, The effect of simple method
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Embodiment 1
[0019] What this embodiment chooses is that the area is 1m 2 asphalt road with potholes. Among them, the bonding material is ordinary emulsified asphalt for ordinary roads, scrap steel slag and mineral powder are purchased from the market, and the water reducer is polycarboxylate water reducer and naphthalene water reducer with a mass ratio of 4:3:1. and sulfamate superplasticizers. The specific raw materials of cold mix asphalt mixture and grouting materials are shown in Table 1 to Table 3 below.
[0020] Table 1 Composition of cold mix asphalt mixture
[0021] raw material
Bio-based cold patch asphalt
mineral powder
content / %
3
93
4
[0022] Table 2 Composition of bio-based cold patch asphalt
[0023]
[0024] Table 3 Grouting Material Composition
[0025] raw material
Quartz sand
rubber powder
content / %
50
35
0.3
0.5 ...
Embodiment 2
[0038] What this embodiment chooses is that the area is 1.5m 2 asphalt road with potholes. Among them, the bonding material is modified emulsified asphalt, scrap steel slag and mineral powder are purchased from the market, and the water reducer is polycarboxylate water reducer, naphthalene series water reducer and sulfamate with a mass ratio of 5:4:1 Water reducing agent. The specific raw materials of cold-mix asphalt mixture and grouting materials are shown in Table 5 to Table 7 below.
[0039] Table 5 Composition of cold mix asphalt mixture
[0040] raw material
Bio-based cold patch asphalt
Scrap slag
mineral powder
content / %
5
91
4
[0041] Table 6 Composition of bio-based cold patch asphalt
[0042]
[0043] Table 7 Grouting Material Composition
[0044] raw material
Quartz sand
rubber powder
content / %
40
40
0.1
0.7
19.2 ...
Embodiment 3
[0057]What this embodiment chooses is that the area is 2m 2 asphalt road with potholes. Among them, the bonding material is water-based epoxy asphalt, scrap steel slag and mineral powder are purchased from the market, and the water reducer is polycarboxylate water reducer, naphthalene-based water reducer and sulfamate with a mass ratio of 3:1:1 Water reducing agent. The specific raw materials of cold-mix asphalt mixture and grouting materials are shown in Table 9 to Table 11 below.
[0058] Table 9 Composition of cold mix asphalt mixture
[0059] raw material
Bio-based cold patch asphalt
Scrap slag
mineral powder
content / %
1
95
4
[0060] Table 10 Composition of bio-based cold patch asphalt
[0061] raw material
asphalt
Slaked lime
rock asphalt
Hydroxypropyl Acrylate
content / %
30
65
0.1
3.4
0.4
0.8
0.3
[0062] Ta...
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