A method for the rapid installation of a non-excavation underground pipeline cover protection structure

By combining steel pipe sleeves, precast cover plates, and geotextiles, the problem of long construction time and significant impact of existing cover plate protection is solved, achieving rapid and stable underground pipeline protection with green and environmentally friendly construction advantages.

CN116575510BActive Publication Date: 2026-07-24SHANGHAI LINTONGYAN & LIGUOHAO CIVIL ENG CONSULTATION CO LTD
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Patent Information

Application Number
CN202310550995.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-16
Publication Date
2026-07-24
Estimated Expiration
2043-05-16

AI Technical Summary

Technical Problem

Existing cover plate protection solutions have long construction times, a wide impact range, are prone to disturbing the soil around pipelines, and consume a lot of manpower and resources, resulting in unstable construction.

Method used

The system employs a combination of steel pipe sleeves, precast pipeline covers, impermeable double-layer geotextile, and highly compressible granular materials. The bearing capacity and layout of the steel pipe sleeves are determined through on-site surveys. The sleeves are then pressed into the soil using hydraulic machinery, and precast covers are laid and filled with granular materials to form a stable protective structure.

Benefits of technology

It shortens construction time, reduces the construction area and workload, protects pipeline safety, is green and environmentally friendly, energy-efficient, and has minimal impact on construction.

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Abstract

The present application belongs to the technical field of underground structure, and particularly relates to a kind of fast, non-excavation underground pipeline cover plate protection structure construction method.The underground pipeline cover plate protection structure designed by the present application comprises a plurality of steel pipe sleeves, prefabricated cover plates and impermeable double-layer geotextiles filled with high-compressibility granular materials;the steel pipe sleeves are vertically arranged on both sides of the pipeline as the support foundation of the prefabricated pipeline cover plates;the undersides of the prefabricated pipeline cover plates are provided with gables embedded in the upper openings of the steel pipe sleeves to fix the positions;the double-layer geotextiles are laid between the steel pipe sleeves on both sides of the pipeline to fix and prevent running and leakage.The construction includes site geological survey and site pressure test, calculation of the bearing capacity, specific length, spacing and quantity of the steel pipe sleeves;the gable positions and size of the undersides of the prefabricated cover plates are determined according to the quantity and spacing of the steel pipe sleeves;the construction is convenient, can greatly reduce the working surface and engineering quantity, shorten the construction time;and can effectively protect the safety of the pipeline at the same time.
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