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Asphalt concrete pavement and construction method thereof

A technology of asphalt concrete and asphalt mixture, which is applied to the cohesive pavement paved on site, roads, roads, etc. It can solve the problems of asphalt concrete pavement damage and affect the normal driving of vehicles, so as to improve compactness, reduce erosion damage, The effect of improving the bonding strength

Active Publication Date: 2021-10-01
山东省公路桥梁建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that when the asphalt concrete pavement is eroded by water, the asphalt will peel off from the aggregate, thereby causing damage to the asphalt concrete pavement and affecting the normal driving of vehicles

Method used

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  • Asphalt concrete pavement and construction method thereof
  • Asphalt concrete pavement and construction method thereof
  • Asphalt concrete pavement and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0042] 23kg of 9.5-16mm granite, 26kg of 4.75-9.5mm granite and 17kg of 2.36-4.75mm granite were weighed and mixed to obtain 1 part of graded granite.

preparation example 2

[0044] 25kg of 9.5-16mm granite, 28kg of 4.75-9.5mm granite and 19kg of 2.36-4.75mm granite were weighed and mixed to obtain 1 part of graded granite.

preparation example 3

[0046] 27kg of 9.5-16mm granite, 30kg of 4.75-9.5mm granite and 21kg of 2.36-4.75mm granite were weighed and mixed to obtain 1 part of graded granite.

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Abstract

The invention relates to the field of asphalt concrete pavements, and particularly discloses an asphalt concrete pavement and a construction method. The asphalt concrete pavement is formed by paving an asphalt mixture, the asphalt mixture is prepared from the following raw materials in parts by weight: 660-780 parts of modified aggregate, 200-280 parts of stone chips, 27-53 parts of an active filler and 40-50 parts of asphalt, and the modified aggregate is prepared from granite, thermosetting plastic and alkali lignin. The construction method comprises the following steps: S1, digging trenches; S2, finishing the trenches; S3, laying a cushion layer; S4, paving the asphalt concrete pavement; and S5, compacting. The asphalt concrete pavement has the advantages that the water erosion resistance of the asphalt concrete pavement is improved, and the damage degree of the asphalt concrete pavement is reduced; in addition, the construction method has the advantages that the process is simple, and the obtained asphalt concrete pavement is stable in structure.

Description

technical field [0001] The application relates to the field of asphalt concrete pavement, more specifically, it relates to an asphalt concrete pavement and a construction method. Background technique [0002] Asphalt concrete pavement refers to a pavement that uses asphalt mixture as the surface layer. The asphalt and aggregate are manually mixed to make it a mixture that can be used for road construction. [0003] In the related art, the subgrade is cleaned first during asphalt concrete pavement construction, and then a cushion is laid. After the cushion is laid, the asphalt concrete layer is paved to form a pavement layer. [0004] In view of the above-mentioned related technologies, the inventor believes that when the asphalt concrete pavement is eroded by water, the asphalt peels off from the aggregate, thereby causing damage to the asphalt concrete pavement and affecting the normal driving of vehicles. Contents of the invention [0005] In order to improve the water ...

Claims

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Application Information

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IPC IPC(8): C04B26/26E01C7/26
CPCC04B26/26E01C7/26E01C7/265C04B2111/0075C04B2201/50C04B14/048C04B14/02C04B18/26C04B18/141C04B14/36C04B24/24
Inventor 张涛韩军马雨杨广军孙衍臣孙崇文伊明刚于伟方瑾王国强
Owner 山东省公路桥梁建设集团有限公司
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