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Pavement base surface treatment method for improving asphalt paving effect

A pavement base and surface treatment technology, applied in the field of asphalt paving, can solve the problems of sliding separation and inter-layer sliding shear resistance, shortening the service life of the road, and easily damaging the pavement base, etc. The effect of eliminating the process of cutting the edge of the asphalt and reducing the difficulty of construction

Pending Publication Date: 2022-05-13
晋城市路创沥青应用有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The usual asphalt pavement paving is to spray asphalt adhesive on the flat and compacted base surface after the pavement base treatment is completed, and then pave the asphalt mixture of the road surface and compact it. After being rolled and used by a motor vehicle, especially when the motor vehicle brakes under overload and high speed conditions, the asphalt mixture of the pavement base and the surface layer tends to have insufficient shear resistance such as sliding separation and interlayer transfer, and serious The situation will shorten the service life of the road, and in order to solve this problem, some processes slot the pavement base. This kind of engineering construction is difficult, the project period is longer, and it is easy to damage the pavement base. Therefore, the present invention proposes a A pavement base surface treatment method for improving the effect of asphalt paving to solve the problems in the prior art

Method used

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  • Pavement base surface treatment method for improving asphalt paving effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] according to figure 1 As shown, the present embodiment proposes a pavement base surface treatment method for improving the asphalt paving effect, comprising the following steps:

[0030] Level the surface of the pavement base and remove road debris;

[0031] Compact the surface of the pavement base, measure and mark the dividing line on both sides of the pavement;

[0032] Spray sand and gravel adhesive on the surface of the pavement base, and then divide the interval lines equidistantly on the surface of the pavement base;

[0033] Lay a partition slab on the interval line, and then lay anti-slip sand in the area between two adjacent partition slabs, the height of the anti-slip sand is lower than the height of the partition slab;

[0034] Spray asphalt adhesive on the anti-skid sand surface and the surface of the separation slate, then drill out positioning holes on the anti-skid sand in each interval area; the present invention drills out positioning holes on the an...

Embodiment 2

[0039] according to figure 1 As shown, the present embodiment proposes a pavement base surface treatment method for improving the asphalt paving effect, comprising the following steps:

[0040] Use a leveling machine to level the surface of the pavement base, use a blower to blow away the sundries on the pavement base to be processed, and then use water to wash the pavement and air dry it. It makes the pavement base to be processed cleaner and prevents debris from affecting the subsequent processing quality.

[0041] A compactor is used to compact the surface of the pavement base, and the compaction pressure is controlled to 3Mpa, which makes the pavement base more compact, avoids possible subsidence, and ensures the subsequent processing effect.

[0042] Spray sand and gravel adhesive on the surface of the pavement base, the spraying amount is 0.8kg / m 2 , and then divide the interval lines equidistantly at intervals of 2.5m on the surface of the pavement base course. Lay t...

Embodiment 3

[0047] according to figure 1 As shown, the present embodiment proposes a pavement base surface treatment method for improving the asphalt paving effect, comprising the following steps:

[0048] Use a leveling machine to level the surface of the pavement base, use a blower to blow away the sundries on the pavement base to be processed, and then use water to wash the pavement and air dry it. It makes the pavement base to be processed cleaner and prevents debris from affecting the subsequent processing quality.

[0049] A compactor is used to compact the surface of the pavement base, and the compaction pressure is controlled to 3Mpa, which makes the pavement base more compact, avoids possible subsidence, and ensures the subsequent processing effect. Then measure the width of the asphalt paving according to the construction requirements, divide the dividing line on both sides, and then install sleepers at the dividing line to limit the width of the paving. The invention measures...

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Abstract

The invention provides a pavement base surface treatment method for improving the asphalt paving effect, and relates to the technical field of asphalt paving, and the pavement base surface treatment method comprises the following steps: leveling the surface of a pavement base, and removing pavement sundries; compacting the surface of the pavement base layer, and measuring and dividing boundary lines on two sides of paving; a gravel adhesive is sprayed on the surface of the pavement base layer, and then spacing lines are divided on the surface of the pavement base layer at equal intervals; partition stone plates are laid on the spacing lines; the spacing lines are equidistantly divided on the surface of the pavement base layer, the separation stone plates are flatly laid, subsequent processing is divided into modules, the anti-skid sand is laid in the area between every two adjacent separation stone plates, the first layer of asphalt mixture is laid through the anti-skid sand, the friction force between the anti-skid sand and the first layer of asphalt mixture is increased, laying is tighter, and the pavement quality is improved. In cooperation with each module, the separation stone plates are limited from the two ends, and the phenomena that the anti-shearing capacity is insufficient due to sliding separation, interlayer pushing and the like of the asphalt mixture are avoided advantageously.

Description

technical field [0001] The invention relates to the technical field of asphalt paving, in particular to a pavement base surface treatment method for improving the effect of asphalt paving. Background technique [0002] Asphalt pavement is a pavement structure in which asphalt is used as a bonding material to bond mineral aggregates or mixtures to build a surface layer. The semi-rigid base asphalt pavement structure is the main structure. The combination of each structural layer is closely related to the local climate, traffic volume and traffic composition. Relevant, reasonable structural combination, so that the asphalt pavement can obtain economical and durable use effects, [0003] The usual asphalt pavement paving is to spray asphalt adhesive on the flat and compacted base surface after the pavement base treatment is completed, and then pave the asphalt mixture of the road surface and compact it. After being rolled and used by a motor vehicle, especially when the motor ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C23/03E01C19/17E01C19/50
CPCE01C23/03E01C19/176E01C19/502
Inventor 陈建龙李亚崇张向前高学兵马文宏田新亮
Owner 晋城市路创沥青应用有限公司
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