Construction structure and construction method of small-span abutment adjacent to railway business line

Abstract

The invention discloses a construction technology of a new line adjacent to a railway business line, and especially relates to a structure of a small-span abutment adjacent to a railway business lineand a construction method of the small-span abutment. The structure comprises a slope reinforcement protection portion and a vertical excavation portion which are arranged at the cone of an existing line abutment. The slope reinforcement protection portion is arranged at the position close to an existing railway line. The vertical excavation portion comprises a multi-stage reinforcement platform along the cone of the abutment from top to bottom. The multi-stage reinforcement platform is of a vertically excavated structure. The multi-stage reinforcement platform is excavated and reinforced layer by layer from top to bottom. According to the structure, the slope reinforcement protection portion is used for reinforcing the abutment of the existing railway line, the vertical excavation portionis provided with a plurality of reinforcement platforms along the existing line abutment, the reinforcement structure is combined with vertical excavation layer by layer, thus the interference to theexisting railway line is effectively reduced, safety hazards of the existing railway line are decreased, the requirement for construction of the small-span abutment of the new line at the existing railway line is met, and the construction task of the abutment of the new line is favorably efficiently and orderly completed.

Description

technical field [0001] The invention relates to a construction technology for a new line adjacent to a railway business line, in particular to a small-spacing abutment construction structure adjacent to a railway business line and a construction method thereof. Background technique [0002] With the rapid development of my country's economy, frequent personnel flow and accelerated logistics turnover, railway transportation has become the key to long-distance safe transportation. With the continuous increase of transportation demand, in order to alleviate the pressure of railway transportation, while improving transportation efficiency, large-scale construction is also being carried out. In addition to new lines, there have also been many railway projects such as the addition of second lines, double lines, and reconstruction. Such projects belong to the construction adjacent to the business line. [0003] The construction near the business line is adjacent to the existing li...

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the technical problems that the construction of the new railway line abutment adjacent to the business line will interfere with the existing abutment roadbed, and the existing line abutment has a relatively large safety hazard, and provide a new railway line abutment adjacent to the railway business line. The small-spacing abutment construction structure of the railway line and its construction method, the small-spacing abutment construction structure uses the slope reinforcement and protection part to reinforce the abutment of the existing railway line, and the vertical excavation part sets multiple reinforcement platforms along the abutment of the existing line , the reinforcement structure cooperates with vertical layer-by-layer excavation, which effectively reduces the interference to the existing railway lines, reduces the safety hazards of the existing railway lines, and meets the needs of the construction of new line abutments at small intervals on the existing railway lines, which is conducive to efficient and orderly construction Accurately complete the abutment construction tasks of the new line

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