Device and method for manufacturing immersed tube tunnel pipe section without dry dock and using hydraulic jacking

Abstract

The invention discloses a device and a method for manufacturing an immersed tube tunnel pipe section without a dry dock and using hydraulic jacking. The device comprises a dry dock-free pipe section prefabrication platform, a wharf and a transportation immersion ship which are sequentially connected; the dry dock-free pipe section prefabrication platform comprises a middle flat prefabricated platform, a plurality of flat prefabricated platforms on two sides, a bottom steel plate, rail beams and stiffening beams; the middle flat prefabricated platform is connected with the wharf through a sliding rail arranged on a parallel water front and is used for transporting the pipe section onto the transportation immersion ship through the wharf; the plurality of flat prefabricated platforms on twosides are separately arranged on the two sides of the middle flat prefabricated platform, are arranged perpendicular to the middle flat prefabricated platform, and are used for conveying the pipe section to the middle flat prefabricated platform; and a plurality of rows of rail beams and a plurality of rows of stiffening beams are arranged perpendicular to each other to form a rectangular dry dock-free pipe section prefabrication platform. According to the device and the method, different from the conventional mode that after a large foundation pit is excavated in a dry dock, the pipe sectionis subjected to flotation conveying after water injection, a single section of an immersed tube tunnel pipe section main body structure is poured on flat ground, and the sliding rail and a hydraulic jacking device are used as land area transport carriers of the pipe section, so that the transition from the land area to the water area is completed.

Description

technical field [0001] The invention relates to the field of immersed tube tunnels, in particular to a device and method for making a pipe section of a hydraulic jacking immersed tube tunnel without a dry dock. Background technique [0002] The dry dock is the prefabrication place of the immersed pipe section. The traditional dry dock generally excavates a large foundation pit on a slope next to the river or the ocean. Towed to the location of the tunnel for sinking. [0003] Traditional dry docks require a large site area, and urban centers are often densely populated with buildings, making it difficult to find suitable dry dock sites, which restricts the use and promotion of immersed tube tunnels to a certain extent. Contents of the invention [0004] The purpose of the present invention is to provide a device and method for making a pipe section of an immersed tunnel without a dry dock. It is not necessary to excavate a large temporary foundation pit beside the water a...

AI Technical Summary

Problems solved by technology

[0003] Traditional dry docks require a large site area, and urban centers are often densely populated, making it difficult to find suitable dry dock sites, which to a certain extent restricts the use and promotion of immersed tube tunnels

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