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An immersed tube structure suitable for high flow rate and its construction method

A construction method and high flow rate technology, applied in infrastructure engineering, underwater structures, artificial islands, etc., can solve the problem of increased installation time of immersed tubes, inability to control the accuracy of sinking within a suitable range, and easy shaking of immersed tubes, etc. question

Active Publication Date: 2021-12-10
HUAQIAO UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the flow rate changes, the immersed tube is easy to shake when placed, which makes it impossible to control the sinking accuracy within an appropriate range, which greatly increases the installation time of the immersed tube

Method used

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  • An immersed tube structure suitable for high flow rate and its construction method
  • An immersed tube structure suitable for high flow rate and its construction method
  • An immersed tube structure suitable for high flow rate and its construction method

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Embodiment Construction

[0023] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0024] like figure 1 As shown, an immersed tube structure suitable for high flow rate provided in this embodiment includes an immersed tube body 1, and a channel for opening to traffic is arranged in the immersed tube body 1, and one side of the immersed tube body 1 is along the The longitudinal direction is provided with several shrouds 2, the outer side of the shroud 2 is provided with an elastic capsule body 21, each of the shrouds 2 is provided with a protrusion control device 6 inside, and the protrusion control device 6 will The elastic capsule body 21 is propped up to control the protrusion degree of the elastic capsule body 21, and the protrusion degree of each of the shrouds 2 can be adjusted individually. The side of the traditional immersed tube is generally a plane, and the water flow d...

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Abstract

The invention discloses an immersed tube structure suitable for high flow rates and a construction method thereof, belonging to the field of immersed tubes. The invention discloses an immersed tube structure suitable for high flow rates, including an immersed tube body, and inside the immersed tube body A channel for opening to traffic is provided, one side of the immersed tube body is provided with several shrouds along the length direction, the outer side of the shrouds is provided with elastic capsules, each of the shrouds is provided with a A protrusion control device, the protrusion control device props up the elastic capsule body to control the protrusion degree of the elastic capsule body, and the protrusion degree of each shroud can be adjusted individually. According to the flow velocity of the water flow, adjust the protrusion degree of the elastic capsule body through the protrusion control device, so as to change the action surface of the water flow on the elastic capsule body, and change the direction of the water flow passing through the surface of the elastic capsule body, thereby changing the force of the water flow on the immersed tube body The size of the immersed tube can reduce the influence of the water flow on the body of the immersed tube when the water flow velocity is relatively high.

Description

technical field [0001] The invention relates to the field of immersed tubes, in particular to an immersed tube structure suitable for high flow rates and a construction method thereof. Background technique [0002] The immersed tube method is the abbreviation of the prefabricated pipe section immersed method, and it is a construction method for building tunnels under water. The construction sequence is to first make the tunnel pipe section (using steel plate and concrete or reinforced concrete) on the berth or in the dry dock, seal the two ends of the pipe section with a temporary sealing wall, and then slide into the water (or release water in the dock) to make it float in the water , and then dragged to the tunnel design location. After positioning, load the pipe section to make it sink into the pre-dug underwater trench. The pipe sections are lowered section by section, and the adjacent pipe sections are connected by hydraulic crimping. Finally, the sealing wall is rem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D29/073
CPCE02D29/073E02D2250/0061E02D2300/0001
Inventor 俞缙朱要亮蔡燕燕刘士雨涂兵雄
Owner HUAQIAO UNIVERSITY
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