Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Construction method and leveling device for road widening transition section

A construction method and transition section technology, which are applied in the field of road widening transition section construction methods and leveling devices, can solve problems such as collapse at splices, voids, hidden dangers of road structure layer drainage, etc., and achieve the effect of reducing air leakage and compact laying

Active Publication Date: 2022-04-19
岳阳盛利工程有限公司
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, in the traditional construction process of widening the roadbed and pavement, the new and old bases of the general roadbed and pavement are not easy to compact and form, and they tend to become weak parts. After a period of subsequent use, the newly widened roadbed and pavement often appear at the joints Collapse and hollowing out may easily cause drainage hazards in the pavement structure layer, which urgently needs to be improved

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Construction method and leveling device for road widening transition section
  • Construction method and leveling device for road widening transition section
  • Construction method and leveling device for road widening transition section

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] The application will be described in further detail below in conjunction with the accompanying drawings.

[0039] The embodiment of the present application discloses a construction method for a road widening transition section, including the following steps:

[0040] Step 1: Clean up, level and roll the base of the original subgrade, and set up a transverse slope outward, and set up a 50*50cm temporary drainage ditch at a predetermined position not less than 50cm outside the filling range;

[0041]Step 2: Backfill plain soil with a thickness of 30cm on the leveled and rolled base, implement 15-20 times of impact rolling at a speed of 12-15Km / h, and then use a grader to level and roll the backfilled plain soil, and Sprinkle water on the surface of the plain soil layer in the process of leveling and rolling, and the amount of water sprinkled is based on the principle of ensuring no dust during stamping;

[0042] Step 3: Carry out step processing on the side slope of the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The application relates to a road widening transition section construction method and leveling device, belonging to the technical field of road widening construction, including: cleaning and leveling and rolling the base of the original roadbed; backfilling the base after leveling and rolling with a predetermined thickness Plain soil; open steps on the side slope of the original roadbed, and roll and level the step surface; spread concrete on the step surface at the widened joint, and then use the leveling device on the slipform paver to synchronize the concrete Rolling and leveling; open the slip-form synchronous paver to spread the mixture on the widened road surface layer, and roll and level the mixture on the widened road surface layer until the top surface of the widened road surface layer and the concrete top surface on the step surface The height is consistent, and then the concrete layer and the widened road surface layer are jointly statically pressed; the geotextile is laid on the constructed concrete layer and the widened road surface layer. It can effectively reduce the quality hidden danger of poor road drainage and improve the construction quality of road widening.

Description

technical field [0001] The application relates to the technical field of road widening construction, in particular to a construction method and a leveling device for a road widening transition section. Background technique [0002] With the improvement of traffic demand and the increase of highway service age, many roads can no longer meet the development needs of the current society, and more and more roads urgently need to be rectified and expanded, such as splicing and widening the existing narrow roadbed and pavement. [0003] At present, in the traditional construction process of widening the roadbed and pavement, the new and old bases of the general roadbed and pavement are not easy to compact and form, and they tend to become weak parts. After a period of subsequent use, the newly widened roadbed and pavement often appear at the joints Collapse and hollowing out may easily cause drainage hazards in the pavement structure layer, which urgently needs to be improved. C...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): E01C3/00E01C3/04E01C3/06E01C19/48E01C23/03
CPCE01C3/00E01C3/04E01C3/06E01C19/48E01C19/4866E01C23/03Y02A30/60
Inventor 刘侠向湖平刘亚洲何忠义李芳
Owner 岳阳盛利工程有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com