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Application of a kind of stone powder in asphalt concrete

A technology of asphalt concrete and stone powder, applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of wasting resources, polluting the environment, etc., and achieve the effect of reducing economic costs and reducing environmental pollution

Active Publication Date: 2018-04-27
何玉山
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Therefore, aiming at the above content, the present invention provides an application of stone powder in asphalt concrete, recycles the stone powder accumulated in the stone factory into asphalt concrete, and recycles the aged asphalt, so as to solve the problem of stone powder and aging in the prior art. Asphalt accumulation pollutes the environment and wastes resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] An application of stone powder in asphalt concrete, comprising the following processing steps:

[0017] (1) Material selection: collect stone powder and cinder from the stone factory;

[0018] (2) Drying: heat and dry the stone powder and cinder, keep the temperature of the stone powder at 105°C, and control the time at 60 minutes;

[0019] (3) Grinding: Grinding the stone powder and cinder obtained after the treatment in step (2) until the particle size is below 45 μm;

[0020] (4) Preparation of asphalt concrete: asphalt concrete includes the following raw materials in parts by weight: 80 parts by weight of waste asphalt material, 10 parts by weight of activated carbon, 15 parts by weight of coupling agent, 40 parts by weight of ethyl silicate, and 20 parts by weight of thermoplastic hydrocarbon resin part, 35 parts by weight of cement, 20 parts by weight of nano-silica, 15 parts by weight of tourmaline; the preparation method of the asphalt concrete is: waste asphal...

Embodiment 2

[0023] An application of stone powder in asphalt concrete, comprising the following processing steps:

[0024] (1) Material selection: collect stone powder and cinder from the stone factory;

[0025] (2) Drying: heat and dry the stone powder and cinder, keep the temperature of the stone powder at 100°C, and control the time for 30 minutes;

[0026] (3) Grinding: Grinding the stone powder and cinder obtained after the treatment in step (2) until the particle size is below 45 μm;

[0027] (4) Preparation of asphalt concrete: asphalt concrete includes the following raw materials in parts by weight: 70 parts by weight of waste asphalt material, 5 parts by weight of activated carbon, 10 parts by weight of coupling agent, 30 parts by weight of ethyl silicate, and 10 parts by weight of thermoplastic hydrocarbon resin parts, 30 parts by weight of cement, 15 parts by weight of nano-silica, 10 parts by weight of tourmaline; the preparation method of the asphalt concrete is: waste aspha...

Embodiment 3

[0030] An application of stone powder in asphalt concrete, comprising the following processing steps:

[0031] (1) Material selection: collect stone powder and cinder from the stone factory;

[0032] (2) Drying: heat and dry the stone powder and coal cinder, keep the temperature of the stone powder at 102°C, and control the time at 45 minutes;

[0033] (3) Grinding: Grinding the stone powder and cinder obtained after the treatment in step (2) until the particle size is below 45 μm;

[0034] (4) Preparation of asphalt concrete: asphalt concrete includes the following raw materials in parts by weight: 75 parts by weight of waste asphalt material, 7 parts by weight of activated carbon, 12 parts by weight of coupling agent, 35 parts by weight of ethyl silicate, and 15 parts by weight of thermoplastic hydrocarbon resin parts, 33 parts by weight of cement, 17 parts by weight of nano-silica, 12 parts by weight of tourmaline; the preparation method of the asphalt concrete is: waste a...

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Abstract

The invention relates to the field of application of mountain flour, provides application of mountain flour in asphalt concrete, aims to recycle and reuse mountain flour piled in a stone factory in asphalt concrete and recycle and reuse aged asphalt, and aims to solve the problems that in the prior art the environment can be polluted and the resources are wasted as mountain flour and aged asphalt are piled. The application comprises the following treatment steps: (1) selecting a stone material; (2) drying; (3) grinding; (4) preparing asphalt; and (5) applying the mountain flour prepared in the step (3) and coal cinder to the asphalt concrete, wherein the mass ratio of the mountain flour to the coal cinder and the asphalt concrete is 1:(0.3-0.5):(50-75).

Description

technical field [0001] The invention relates to the application field of stone powder, in particular to an application of stone powder in asphalt concrete. Background technique [0002] Asphalt concrete can be divided into petroleum asphalt and coal asphalt according to the different binders used. The asphalt pavement paved with two kinds of asphalt concrete has the advantages of good mechanical strength, wear resistance, comfortable driving, small vibration, low noise, and simple construction. With the large-scale rollout of highway engineering construction, the proportion of asphalt pavement in high-grade roads is increasing. Traditional asphalt concrete pavement often has cracks. Pollution has become an important social problem and needs to be dealt with vigorously. In addition, in the prior art, a large amount of waste rock powder will be produced during stone processing, and the discharge or accumulation of these waste rock powder will cause environmental pollution, e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B18/12C04B28/00
CPCC04B18/12C04B28/00C04B22/02C04B24/40C04B24/24C04B24/36C04B22/06C04B22/08C04B18/06Y02W30/91
Inventor 何玉山苏连塔
Owner 何玉山
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