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Repairing method for serious track groove on municipal road

A repair method and rutting technology are applied in the field of repairing heavy rut grooves on municipal roads, which can solve the problems of easy recurrence of ruts, and achieve the effects of good anti-rutting ability, improving anti-rutting ability and delaying the recurrence rate.

Inactive Publication Date: 2013-01-09
YINGDA HEAT REGENERATION
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

According to a lot of engineering experience, the pavement repaired according to this method is only temporarily repaired because there is no special treatment at the ruts, but the ruts are easy to recur

Method used

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the embodiments.

[0016] The present invention is mainly a maintenance construction method for treating municipal road asphalt pavement rutting, especially serious rutting (greater than 30 mm), in combination with in-situ heat regeneration technology. The specific implementation method is as follows:

[0017] Heating and raking the diseased pavement. Heat and rake the diseased road surface (rutted road section) with hot-in-place regeneration equipment. In order to make full use of the compaction work of the traffic vehicle load at the wheel track and rut groove, the raking depth at the rut valley is controlled at 1cm-2cm.

[0018] After raking the pavement, fill the coarse-grained asphalt mixture at the wheel track groove. In order to improve the anti-rutting ability of the rutting groove of the wheel track, it is required to use modified asphalt and add anti-rutting agent for the coarse-g...

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Abstract

The invention discloses a repairing method for a serious track groove on a municipal road. The method includes heating and spiking up a road with a serious track disease, and controlling a spiking up depth at a track trough to be 1-2cm; filling a mixture with a large particle diameter at the track position with a filling height 1-3cm higher than other positions of the road on the same cross section, wherein the mixture with a large particle diameter is the AC-20 or AC-25 type bituminous mixture; rolling the road; and paving new bituminous mixture and rolling the road. According to the method, on one hand, the compaction of traffic vehicle load on the track position is used sufficiently, on the other hand, the anti-track capacity of the track position is improved due to filling of the mixture with the large particle diameter at the track during construction, and recurring rate of the track is delayed.

Description

technical field [0001] The invention relates to a maintenance technology for severe rutting on asphalt pavement, which mainly uses professional equipment to treat severe ruts on asphalt pavement, especially ruts with a depth greater than 30 mm. Background technique [0002] In recent years, my country's asphalt pavement construction has developed rapidly. With the improvement of my country's road materials, construction level and maintenance level, the early water damage of asphalt pavement is decreasing year by year, and rutting has become one of the most common diseases of asphalt pavement in my country, including highway pavement rutting And municipal road ruts (usually generated in bus lanes or intersection channelized traffic), according to statistics, at present, 70%-80% of the funds in my country's asphalt pavement maintenance and treatment are used for rut control. [0003] Among them, municipal roads have relatively small anti-slip requirements due to the slow speed ...

Claims

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Application Information

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IPC IPC(8): E01C7/18
Inventor 施伟斌张义甫戴合理李严徐鹏韩延峰朱建华
Owner YINGDA HEAT REGENERATION
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