A construction method of steel shell at end of immersed tube tunnel
A technology of immersed tunnel and construction method, which is applied in the directions of manufacturing tools, metal processing equipment, welding equipment, etc., to achieve the effects of reducing transportation difficulty, reducing time cost, and improving position accuracy
Active Publication Date: 2022-04-05
GUANGZHOU SHIPYARD INTERNATIONAL LTD +1
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Problems solved by technology
The immersed tube joint 30 is constructed in blocks, which not only reduces the difficulty of production, but also facilitates transportation, but the traditional end steel shell construction method is no longer applicable to the steel immersed tube joint 30
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[0049] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only the technical solutions of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.
[0050] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a d...
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The invention relates to the technical field of immersed tube tunnels, and discloses a construction method for an end steel shell of an immersed tube tunnel. The construction method of the steel shell at the end of the immersed tube tunnel specifically includes: S1, welding the diaphragm and the flange plate on the immersed tube block; S2, pre-connecting the two ends of the panel to the flange plate and the outer panel of the immersed tube block, Form end steel shell segments; S3. When connecting multiple immersed tube blocks to form immersed tube segments, weld end steel shell segments on multiple immersed tube blocks to form end steel shell segments on immersed tube segments ; S4. When connecting two immersed tube sections to form an immersed tube section, weld the flange plate at the joint of the two end steel shell sections; S5. Adjust the position of the panel, and connect the two ends of the panel to the flange respectively The plate and the outer panel are welded; S6. Weld the connection of every two adjacent panels to form the end steel shell on the immersed tube joint. The invention reduces the difficulty of transportation, simplifies the operation process, reduces the time cost, improves the position accuracy of the panel, and improves the water-blocking reliability of the end steel shell.
Description
technical field [0001] The invention relates to the technical field of immersed tube tunnels, in particular to a construction method for an end steel shell of an immersed tube tunnel. Background technique [0002] In traditional immersed tube tunnels, the main body of the immersed tube section is made of concrete in one pour. Specifically, such as figure 1 As shown, the side wall of the immersed tube joint is surrounded by an outer panel 2, and the end face of the immersed tube joint is connected with a steel end sealing plate 1, and the end sealing plate 1 is welded to the outer panel 2, and the outer panel 2 It protrudes from the end sealing plate 1. The end steel shell is arranged on the side of the end sealing plate 1 facing the outside of the immersed tube joint, the end steel shell is ring-shaped, and the end steel shell is welded on the end sealing plate 1 and the outer panel 2 . The end steel shell includes a partition plate 3, a flange plate 4 and a panel 5, the ...
Claims
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IPC IPC(8): B23K31/02
CPCB23K31/02
Inventor 谢义东龙汉新罗敬成刘博罗雄陈敬宇
Owner GUANGZHOU SHIPYARD INTERNATIONAL LTD