A method for constructing an anti-sinking manhole cover

Through the steps of synchronous elevation of the well chamber, well ring reinforcement and asphalt paving steel mold fine adjustment, the existing anti-settlement manhole cover construction methods and poor compaction degree are solved, and the synchronous molding of the anti-settlement manhole cover and the pavement is achieved, which has improved the Construction efficiency and road quality.

CN112796346BActive Publication Date: 2025-01-07CHIAN JIANGXI CORP FOR INT ECONOMIC & TECHN COOPERATION
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Patent Information

Application Number
CN202110137142.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-02-01
Publication Date
2025-01-07
Estimated Expiration
2041-02-01

AI Technical Summary

Technical Problem

The existing anti-settlement manhole cover construction methods are complicated and uneconomical, making it difficult to ensure the compaction and flatness of asphalt, which affects the aesthetics of the road and driving safety.

Method used

The steps of synchronous elevation of the well chamber, well ring reinforcement and installation and joint filling, permeable sealing construction, fine-tuning of the elevation of the paving steel mold, asphalt paving and roller rolling are adopted to ensure that the anti-settlement manhole cover is formed synchronously with the road surface and pass through fine stones The use of concrete and modified asphalt ensures the compaction of the lower flange area and the surrounding area of ​​the manhole cover.

Benefits of technology

The anti-settlement manhole cover and pavement are synchronized, ensuring the unevenness and flatness of settlement, reducing the later maintenance rate, saving construction costs, and improving the aesthetics of the road and driving comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a method for constructing an anti-sinking manhole cover, which mainly includes: S4, installing a paving steel mold and fine-tuning the elevation; S5, paving asphalt and rolling with a road roller; S6, taking out the paving steel mold and installing a flange limit steel mold; S7, temporarily placing the manhole cover; S9, installing the paving steel mold and fine-tuning the elevation; S11, taking out the paving steel mold and rolling with material; S12, placing the manhole cover and rolling, and rolling with material. The paving steel mold can effectively ensure that the lower area of ​​the anti-sinking manhole cover flange, the area around the manhole cover, and the road surface area are compacted synchronously under the same conditions, solving the common quality problems such as uneven settlement caused by the difference in compaction degree of the three areas of the asphalt pavement; the road surface and the manhole cover are constructed synchronously, and traffic can be opened synchronously to reduce the construction period; the road surface and the manhole cover are connected smoothly and without color difference, ensuring the smoothness, beauty and driving comfort of the road surface; avoiding the waste of manpower, materials and machines caused by the reverse excavation construction of the new road, saving construction costs; avoiding the safety risks caused by the reverse excavation cavity; and reducing the impact of construction asphalt waste on the surrounding environment.
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Citation Information

Patent Citations

  • Well lid mounting die

    CN210797661U

  • Inspection well cover device with well base installed in asphalt concrete

    CN211816443U