Asphalt-reclaimed water-permeable pavior bricks and preparation method thereof
A permeable pavement brick recycling technology, which is applied to the pavement, pavement, and roads paved with prefabricated blocks, can solve the problems of low compressive strength, poor impact resistance, and large capacity, and achieve improved compressive strength, High compressive strength and improved fluidity
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Embodiment 1
[0032] A permeable pavement brick for asphalt reuse, including a surface layer and a base layer:
[0033] The surface layer includes the following raw materials in parts by weight: 35 parts of waste asphalt concrete, 24 parts of cement, 29 parts of sand, 7.5 parts of gravel, 5 parts of emulsified asphalt, 4.5 parts of mineral powder, 8 parts of glass fiber, and 1.8 parts of polyvinyl acetate emulsion , 6.5 parts of clay, 1.2 parts of rubber powder, 7.5 parts of air-entraining agent, 0.5 part of water reducing agent, 0.4 part of pigment powder and 2 parts of water;
[0034] The base layer includes the following raw materials in parts by weight: 32.5 parts of waste asphalt concrete, 23 parts of cement, 25 parts of sand, 20 parts of gravel and 2.5 parts of water.
[0035] The pavement brick prepared according to the above raw material formula has the advantages of good water permeability, small bulk density, high compressive strength, good anti-skid performance, good corrosion re...
Embodiment 2
[0047] A permeable pavement brick for asphalt reuse, including a surface layer and a base layer:
[0048] The surface layer includes the following raw materials in parts by weight: 30 parts of waste asphalt concrete, 20 parts of cement, 25 parts of sand, 5 parts of gravel, 4 parts of emulsified asphalt, 3 parts of mineral powder, 6 parts of glass fiber, 1.2 parts of polyvinyl acetate emulsion 1 part, 3 parts of clay, 0.8 part of rubber powder, 5 parts of air-entraining agent, 0.4 part of water reducing agent, 0.3 part of pigment powder and 1 part of water;
[0049] The base layer includes the following raw materials in parts by weight: 30 parts of waste asphalt concrete, 22 parts of cement, 18 parts of sand, 17 parts of gravel and 2 parts of water.
[0050] Waste asphalt concrete is added to the raw materials, which solves the problem that the existing pavement bricks consume a lot of raw materials and cannot be reused. Moreover, waste asphalt concrete itself has the advantage...
Embodiment 3
[0061] A permeable pavement brick for asphalt reuse, including a surface layer and a base layer:
[0062] The surface layer includes the following raw materials in parts by weight: 40 parts of waste asphalt concrete, 28 parts of cement, 33 parts of sand, 10 parts of gravel, 6 parts of emulsified asphalt, 6 parts of mineral powder, 10 parts of glass fiber, and 2.4 parts of polyvinyl acetate emulsion , 10 parts of clay, 1.6 parts of rubber powder, 10 parts of air entraining agent, 0.6 part of water reducing agent, 0.5 part of pigment powder and 3 parts of water;
[0063] The base layer includes the following raw materials in parts by weight: 35 parts of waste asphalt concrete, 24 parts of cement, 32 parts of sand, 23 parts of gravel and 3 parts of water.
[0064] Waste asphalt concrete is added to the raw materials, which solves the problem that the existing pavement bricks consume a lot of raw materials and cannot be reused. Moreover, waste asphalt concrete itself has the advan...
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