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Flood season railway culvert roof sheathing method

A technology for culverts and railways, which is applied in the field of railway culvert roofing during the flood season. It can solve the problems of affecting the service life of culverts, affecting the stability of railway equipment, and occupying a large site, so as to meet the requirements of construction progress, reduce construction interference, and facilitate operation.

Inactive Publication Date: 2020-10-13
CHINA RAILWAY SIXTH GRP TIANJIN RAILWAY CONSTR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disadvantages: Manual digging piles and wing wall chiseling are required, which will affect the stability of existing railway equipment
Disadvantages: The prefabrication of culverts takes up a lot of space, the investment cost is high, and the joints are easy to be loose and leak during assembly, which affects the service life of the culvert
The construction of manual digging piles affects the stability of existing railway equipment and is restricted by the flood season

Method used

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  • Flood season railway culvert roof sheathing method
  • Flood season railway culvert roof sheathing method

Examples

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Embodiment Construction

[0022] The existing slab culvert in a special railway line project is a drainage culvert, and the culvert that needs to be newly extended is a 1-5m frame culvert with a length of 23.06m, which is divided into 4 culvert sections, of which the culvert close to the existing slab culvert The length of the first culvert section is 9.0m, and the jacking method is adopted for construction, and the jacking distance is 10.3m. The remaining 3 culvert sections are constructed by in-situ cast-in-place method. The net height of the culvert is 4.45m, the excavation depth of the foundation pit is 2.27m, the thickness of the culvert wall is 0.5m, the thickness of the culvert floor is 0.6m, and the thickness of the roof is 0.55m. The risk is high, and it is a heavy and difficult controlled project. The applicant successfully completed the project by adopting the method for roofing railway culverts in the flood season provided by the present invention.

[0023] The present invention will be des...

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Abstract

The invention discloses a flood season railway culvert roof sheathing method, which comprises the steps of foundation pit excavation, foundation reinforcement, sliding plate and back beam construction, first-section culvert section pouring, first-section culvert section jacking, in-situ cast-in-place of other culvert sections and the like. The method has the advantages that the purpose of rapid, efficient and safe construction of existing culvert lengthening construction of the railway can be achieved, smooth and safe construction in the flood season is guaranteed, construction interference isreduced, the construction cost is reduced, the railway equipment and traffic safety are guaranteed, the construction progress requirement is met, and culvert lengthening does not become a factor restricting the engineering construction progress any more. Proved by engineering construction practice, the construction method is effective, has the characteristics of reliable technology, high mechanization degree, convenience in operation, safety, reliability, high transportation efficiency, low operation cost and good economic benefit, and has certain reference significance and popularization value in similar engineering construction.

Description

technical field [0001] The invention belongs to the technical field of railway culvert construction, in particular to a method for covering a railway culvert during a flood season. Background technique [0002] According to the provisions of the "Construction Specifications for Railway Bridge and Culvert Engineering", railway culverts are divided according to structural forms and construction types. Among them, according to structural forms, they can be divided into three types: frame culverts, cover slab culverts, and round pipe culverts. According to construction types, they can be divided into three types: There are three types of new culverts, extended culverts and jacked culverts. In the case of connecting long culverts, and there are certain restrictions on the construction method and construction date, the construction safety risk level will increase accordingly. Therefore, choosing scientific and reasonable construction methods, ensuring the safety of construction o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01F5/00E02D17/02E02D5/46
CPCE01F5/005E02D5/46E02D17/02
Inventor 焦春海顾玉峰梁旭峰韩春雨吴俊树
Owner CHINA RAILWAY SIXTH GRP TIANJIN RAILWAY CONSTR
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