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Underwater inverted-arch-shaped suspension double tunnel using steel cable positioning and construction method

A steel cable and anti-arch technology, which is applied in the underwater anti-arch floating double tunnel and construction field, can solve the problems of floating tunnel construction and installation deviation, affecting the precise construction of underwater floating tunnel, etc.

Active Publication Date: 2019-09-20
BAOSHAN IRON & STEEL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its complex environment and unknown structural performance, there is no floating tunnel structure successfully built in the world.
[0003] During the construction of the floating tunnel, it is easily affected by environmental factors such as water flow, resulting in deviations in the construction and installation of the floating tunnel, which affects the precise construction of the underwater floating tunnel

Method used

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  • Underwater inverted-arch-shaped suspension double tunnel using steel cable positioning and construction method
  • Underwater inverted-arch-shaped suspension double tunnel using steel cable positioning and construction method
  • Underwater inverted-arch-shaped suspension double tunnel using steel cable positioning and construction method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Example one, as Figure 1 to Figure 8 As shown in the figure, a kind of underwater reverse arch-shaped suspension double tunnel positioned by steel cables proposed by the present invention includes an anchor and driving well 1 and an anchor and receiving well 2. A first steel cable 53, a second steel cable 54, a third steel cable 55, a circle with congruent cross-section or a polygonal cross-section with two vertical and horizontal axes of vertical symmetry are arranged between the first tunnels 3 and 2. 2. Tunnel 4.

[0039] The first steel cable 53 is located directly under the first tunnel 3, the second steel cable 54 is located directly under the second tunnel 4, the third steel cable 55 is located between the first tunnel 3 and the second tunnel 4, and the first steel cable 53 , The second steel cable 54 and the third steel cable 55 are arranged in the shape of a product, the first steel cable 53 and the second steel cable 54 are located below the shape of the pro...

Embodiment 2

[0049] Embodiment 2, a method for constructing an underwater reverse-arch suspended double tunnel positioned by a steel cable, comprising the following steps:

[0050] S1. The number of the first pipe section of the prefabricated M section is 3-1, 3-2, ..., 3-M, and the number of the second pipe section of the M section is 4-1, 4-2, ..., 4-M. The central axis of each section of the first pipe section 3-1, 3-2, ..., 3-M or the second pipe section 4-1, 4-2, ..., 4-M is a straight line, and the cross section is circular or vertical A polygon with two mutually perpendicular symmetrical axes, straight and horizontal. The side view is an isosceles trapezoid with the upper sideline shorter than the lower sideline. The outer diameter or the maximum diagonal of the polygonal section is not less than 2m and not more than 20m, and the central axis The length of the section is not less than 2m and not more than 30m, and the angle between the extension lines on both sides of the isosceles ...

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Abstract

The invention discloses underwater inverted-arch-shaped suspension double tunnels using steel cable positioning and a construction method. According to the key points of the technical scheme, the underwater inverted-arch-shaped suspension double tunnels using steel cable positioning include an anchor and drive well and an anchor and receiving well; a first steel cable, a second steel cable, a third steel cable, a first tunnel and a second tunnel are arranged between the anchor and drive well and the anchor and receiving well; the first tunnel is divided into a plurality of sections of first pipe joints, the second tunnel is divided into a plurality of sections of second pipe joints, and the first pipe joints are each provided with a plurality of first lower connecting rings for the first steel cable to be arranged in a penetrating mode; the second pipe joints are each provided with a plurality of second lower connecting rings for the second steel cable to be arranged in a penetrating mode; two first side surface connecting rings are arranged on the sides, close to the second pipe joints, of two ends of the first pipe joints; two second side surface connecting rings are arranged on the sides, close to the first pipe joints, of two ends of the second pipe joints; and the first side surface connecting ring and the second side surface connecting rings are used for enabling the third steel cable to be arranged in a penetrating mode. The underwater inverted-arch-shaped double tunnels facilitate the precise positioning and construction of underwater suspension tunnels in rivers, lakes and seas.

Description

technical field [0001] The invention relates to the field of underwater suspension tunnels, in particular to an underwater reverse arch suspension double tunnel positioned by using steel cables and a construction method. Background technique [0002] Suspended tunnel, also known as Archimedes bridge, is a new type of cross-water traffic structure. It mainly utilizes the buoyancy of the tunnel body to balance gravity and operational traffic loads. Since the suspension tunnel system was proposed in the 1950s, it has attracted the attention of countries such as Denmark, Italy, Norway, Japan, the United States and China. With the continuous research and promotion of scientific researchers, its concept has been widely disseminated and accepted by people. However, due to its complex environment and unknown structural performance, there has not been a successfully built floating tunnel structure in the world. [0003] During the construction of the suspension tunnel, it is easil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/067
CPCE02D29/067
Inventor 王怀忠康明
Owner BAOSHAN IRON & STEEL CO LTD