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Construction method and construction equipment for additionally paving thin overlay structure on bridge floor

A thin-layer overlay and construction method technology, applied in bridge construction, bridge reinforcement, bridge and other directions, can solve the problems of unsatisfactory mixing effect, insufficient anti-skid performance, low work efficiency, etc., and achieve good construction process time, shear resistance With high bonding strength, the effect of improving the application effect

Inactive Publication Date: 2022-05-17
HUNAN ROAD & BRIDGE CONSTR GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems existing in the prior art that the existing thin-layer overlay structure is prone to aging, the anti-skid performance is seriously insufficient, and safety accidents are likely to occur. At the same time, the existing stirring effect is not ideal, resulting in low work efficiency and high energy consumption. However, a construction method and construction equipment for bridge deck overlay thin-layer overlay structure are proposed

Method used

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  • Construction method and construction equipment for additionally paving thin overlay structure on bridge floor
  • Construction method and construction equipment for additionally paving thin overlay structure on bridge floor
  • Construction method and construction equipment for additionally paving thin overlay structure on bridge floor

Examples

Experimental program
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Effect test

Embodiment 1

[0070] A construction method for adding a thin layer of overlay structure to the bridge deck, including the following steps:

[0071] S1、Preparation:

[0072] S11. Formulate effective treatment measures according to the characteristics and causes of different diseases and damages of the bridge deck, and carry out damage repair and pretreatment of the original bridge deck;

[0073]S12. Traffic closure of the construction section and the installation of construction safety signs;

[0074] S13. Sweep the road surface of the construction section, prohibit pedestrians and vehicles from passing, and ensure the safety and quality of the construction;

[0075] S2, thin layer construction:

[0076] S21, the use of milling machine to the bridge deck for 1-1.5cm fine milling, all diseases after repair and clean up;

[0077] S22, the use of epoxy resin and No. 70 A grade road petroleum asphalt mixed in the ratio of 4-5:5-6 to make secondary curing epoxy asphalt as a waterproof bonding layer;...

Embodiment 2

[0147] The present embodiment as a further improvement of the previous embodiment: reference Figure 1-11 , a kind of bridge deck plus a thin layer of overlay structure of the construction equipment, including a stirring device for the construction of mixing, the mixing device comprises a tank 1, the top of the tank 1 is provided with an inlet hopper 2, the bottom of one side of the tank 1 is provided with an outlet pipe 15, the other end of the discharge pipe 15 is connected to the external discharge equipment, the outer wall of the tank 1 is fixed with a horizontal plate 3, the top of the horizontal plate 3 is fixed with a mixing motor 4, and the inner wall of the side of the tank 1 is symmetrically rotated away from each other and connected to two rotary rods 5, And the output shaft of the stirring motor 4 runs through one side of the tank 1 and is fixedly connected to one of the ends of one of the rotary rods 5, the outer wall sliding sleeve of the two rotary rods 5 is provided...

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Abstract

The invention belongs to the technical field of bridge road construction, and particularly relates to a construction method and construction equipment for additionally paving a thin overlay structure on a bridge deck. S2, thin layer construction; s3, constructing a thin overlay; s4, quality inspection and acceptance; the stirring device comprises a tank body, a feeding hopper is arranged at the top of the tank body, and a discharging pipe is arranged at the bottom of one side of the tank body. According to the invention, the stability and durability of the thin overlay structure can be greatly improved by utilizing the prepared secondary cured epoxy asphalt and doping basalt fibers into the asphalt mixture, the service life is longer, the safety performance is higher, and meanwhile, the construction process is mature, simple and efficient, and wide in application range; in the preparation process, the movable stirring plate is used for replacing a traditional fixed-point stirring mode, the stirring range is larger, the material fluidity is higher, the stirring effect is more sufficient, uniform and efficient, and the purpose of reducing energy consumption can be achieved.

Description

Technical field [0001] The present invention relates to the technical field of bridge road construction, in particular to a construction method and construction equipment for a bridge deck plus a thin layer of overlay structure. Background [0002] In recent years, with the rapid development of China's road traffic industry, heavy traffic and heavy load phenomenon has become increasingly serious, and various surface functions of asphalt pavement have decayed rapidly, directly affecting the driving safety and comfort of automobiles. To this end, how to improve the use function of high-grade roads that have been built is one of the common concerns of road maintenance. The use of thin layer asphalt mixture overlay is an effective measure to extend road life, improve driving quality, correct surface defects, improve safety characteristics (including improving slip resistance and drainage), reduce noise, increase road strength and other pavement functions. At present, this technology...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/08E01C19/10E01D22/00E01C11/00
CPCE01D19/083E01C19/104E01D22/00E01C11/005Y02A30/60
Inventor 戴勇刘曙光陈冠杨捷李赫
Owner HUNAN ROAD & BRIDGE CONSTR GROUP
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