Municipal asphalt concrete pavement construction method

A technology of asphalt concrete and construction method, which is applied to the coagulation pavement, roads, roads and other directions of on-site paving, can solve the problem of the weak anti-fatigue and anti-rutting ability of asphalt concrete, affecting the service life of municipal roads and the service life of municipal roads, etc. problem, to achieve the effect of not easy to crack and damage, not easy to crack or damage, improve fatigue resistance and anti-rutting performance

Inactive Publication Date: 2020-06-09
君兆建设控股集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned existing technical solutions have the following defects: the existing asphalt concrete has weak fatigue resistance and rutting resistance, so that the asphalt concrete pavement is prone to road damage when it bears the pressure of rutting for a long time, especially When vehicles that need to bear heavy loads such as trucks and large buses are more prone to cracking and damage, the service life of municipal roads is easily affected, and even the service life of municipal roads is easily affected. Therefore, there are still room for improvement

Method used

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  • Municipal asphalt concrete pavement construction method
  • Municipal asphalt concrete pavement construction method

Examples

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Effect test

Embodiment 1

[0077] A construction method for municipal asphalt concrete pavement, comprising the following steps:

[0078] S1, clean up the roadbed, as follows:

[0079] Clean up the impurity and weeds in the roadbed, clean up the miscellaneous fill in the roadbed, and then compact the roadbed with a road roller.

[0080] S2, lay the cushion, as follows:

[0081] Evenly spread the asphalt gauze on the clean roadbed, and spray the penetrating layer oil on the gauze to form a cushion.

[0082] S3. Paving asphalt concrete, details are as follows:

[0083] The pre-mixed asphalt concrete is evenly spread on the cushion layer, and cured to form a pavement layer.

[0084] S4, compaction, specifically as follows:

[0085] The pavement is compacted with a road roller to obtain an asphalt concrete pavement.

[0086] Wherein, the preparation method of asphalt concrete is as follows:

[0087] Add 5kg of asphalt into a 150L stirring tank, stir at a speed of 300r / min, heat to 135°C while stirring...

Embodiment 2

[0090] The difference with embodiment 1 is:

[0091] The dosage of each component added in the preparation process of asphalt concrete is as follows:

[0092] Asphalt 10kg; coarse aggregate 65kg; fine aggregate 8kg; basalt fiber 13kg; coupling agent 0.75kg; triethylene glycol dimethacrylate 2kg; clotrimazole 0.75kg; tridecyl phenyl ketone 0.2kg.

[0093] In this embodiment, the coarse aggregate is uniformly mixed with 25kg 0-3mm basalt, 10kg 3-5mm basalt, 20kg 5-10mm basalt and 10kg 10-16mm basalt; the fine aggregate is composed of 7.5kg mineral powder and 0.5kg stone powder Mix evenly.

Embodiment 3

[0095] The difference with embodiment 1 is:

[0096] The dosage of each component added in the preparation process of asphalt concrete is as follows:

[0097] Asphalt 7.5kg; coarse aggregate 72.5kg; fine aggregate 5.5kg; basalt fiber 10.5kg; coupling agent 1kg; triethylene glycol dimethacrylate 1kg; clotrimazole 1kg; tridecyl phenyl ketone 0.3 kg.

[0098] In this embodiment, the coarse aggregate is uniformly mixed with 24.5kg 0-3mm basalt, 20kg 3-5mm basalt, 18kg 5-10mm basalt and 10kg 10-16mm basalt; the fine aggregate is composed of 1.5kg ore powder and 4kg stone powder Mix evenly.

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Abstract

The invention relates to the technical field of municipal construction, in particular to a municipal asphalt concrete pavement construction method. The method comprises the following steps of: S1, cleaning a roadbed; S2, laying a cushion layer: specifically, paving an asphalt gauze evenly in the clean roadbed, and spraying permeating oil to the gauze to form the cushion layer; S3, paving asphalt concrete: uniformly paving pre-mixed asphalt concrete on the cushion layer to form a pavement layer; and S4, compaction: compacting the pavement to obtain an asphalt concrete pavement. The asphalt concrete comprises the following components by mass: 5-10 parts of asphalt; 65-80 parts of coarse aggregate; 3-8 parts of fine aggregate; 8-13 parts of basalt fiber; 0.5-1 part of a coupling agent; 1-3 parts of triethylene glycol dimethacrylate; 0.5-1 part of clotrimazole; and 0.1-0.3 part of tridecyl phenyl ketone. The method has the effects of improving the anti-fatigue performance and anti-ruttingperformance of the asphalt concrete pavement.

Description

technical field [0001] The invention relates to the technical field of municipal construction, in particular to a construction method of municipal asphalt concrete pavement. Background technique [0002] At present, with the rapid development of China's economy, the number of motor vehicles continues to increase, and traffic congestion is becoming more and more congested. In order to solve the problem of traffic congestion, municipal roads play an extremely important role. [0003] Existing municipal roads are generally completed by first clearing the roadbed, laying a cushion on the roadbed, spreading pre-mixed asphalt concrete on the cushion, and compacting to form a pavement layer. [0004] The above-mentioned existing technical solutions have the following defects: the existing asphalt concrete has weak fatigue resistance and rutting resistance, so that the asphalt concrete pavement is prone to road damage when it bears the pressure of rutting for a long time, especiall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C7/18C04B26/26C04B111/20
CPCC04B26/26C04B2111/0075C04B2111/20E01C7/18C04B14/14C04B18/12C04B14/4643C04B24/42C04B24/06C04B24/008C04B24/128
Inventor 罗思明冯利球
Owner 君兆建设控股集团有限公司
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