CN110258643B - Underwater inverted arch suspension double tunnel positioned by steel cable and construction method - Google Patents
Underwater inverted arch suspension double tunnel positioned by steel cable and construction method Download PDFInfo
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- CN110258643B CN110258643B CN201910481071.0A CN201910481071A CN110258643B CN 110258643 B CN110258643 B CN 110258643B CN 201910481071 A CN201910481071 A CN 201910481071A CN 110258643 B CN110258643 B CN 110258643B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
- E02D29/067—Floating tunnels; Submerged bridge-like tunnels, i.e. tunnels supported by piers or the like above the water-bed
Abstract
The invention discloses an underwater inverted arch suspension double tunnel positioned by steel cables and a construction method thereof, and the technical scheme is as follows: an underwater inverted arch suspension double tunnel positioned by using a steel cable comprises an anchor ingot and driving well and an anchor ingot and receiving well, wherein a first steel cable, a second steel cable, a third steel cable, a first tunnel and a second tunnel are arranged between the anchor ingot and driving well and the anchor ingot 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 each first pipe joint is provided with a plurality of first lower connecting rings for the first steel cable to penetrate through; the second pipe joint is provided with a plurality of second lower connecting rings for the second steel cable to penetrate through; two first side connecting rings are arranged on the sides of the two ends of the first pipe joint, which are close to the second pipe joint, two second side connecting rings are arranged on the sides of the two ends of the second pipe joint, which are close to the first pipe joint, and the first side connecting rings and the second side connecting rings are used for the third steel cable to penetrate through. The invention is convenient for the precise positioning and construction of the underwater suspension tunnel in rivers, lakes and seas.
Description
Technical Field
The invention relates to the field of underwater suspended tunnels, in particular to an underwater inverted arch suspended double tunnel positioned by using steel cables and a construction method.
Background
The suspended tunnel is also called an Archimedes bridge and is a novel cross-water-area traffic structure. The buoyancy borne by the tunnel pipe body is mainly utilized to balance gravity and operation traffic load. As researchers continue to research and push, their concepts have become widely spread and accepted. However, due to the complex environment and unknown structural performance, the suspended tunnel structure has not been successfully built in the world.
In the process of constructing the suspension tunnel, the suspension tunnel is easily influenced by environmental factors such as water flow and the like, so that deviation occurs in construction and installation of the suspension tunnel, and accurate construction of the underwater suspension tunnel is influenced.
Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
Disclosure of Invention
The invention aims to provide an underwater inverted arch-shaped suspended double tunnel positioned by using a steel cable and a construction method thereof, and provides an underwater double tunnel construction method assisted by the steel cable for positioning, which is convenient for accurately positioning and constructing underwater suspended tunnels in rivers, lakes and seas and develops a steel application market.
The technical purpose of the invention is realized by the following technical scheme: an underwater inverted arch suspension double tunnel positioned by using a steel cable is characterized by comprising an anchor ingot and driving well and an anchor ingot and receiving well, wherein a first steel cable, a second steel cable, a third steel cable, a first tunnel with a circular section, a second tunnel with a full-equal section, or a polygonal section with two vertical and horizontal symmetrical axes which are perpendicular to each other are arranged between the anchor ingot and driving well and the anchor ingot and receiving well;
the first tunnel is longitudinally divided into a plurality of first pipe joints, the second tunnel is longitudinally divided into a plurality of second pipe joints, a plurality of first lower connecting rings are arranged right below the bottom side of each first pipe joint at equal intervals, and the first lower connecting rings are used for the corresponding first steel cables to penetrate through;
a plurality of second lower connecting rings are arranged right below the bottom side of the second pipe joint at equal intervals, and the second lower connecting rings are used for the corresponding second steel cables to penetrate through;
two first side connecting rings are arranged at two ends of the first pipe joint on the horizontal symmetrical axis and close to two ends of the outer side wall of the second pipe joint, two second side connecting rings are arranged at two ends of the second pipe joint on the horizontal symmetrical axis and close to two ends of the outer side wall of the first pipe joint, and the first side connecting rings and the second side connecting rings are respectively used for corresponding third steel cables to penetrate through;
a first guide rail and a second guide rail are respectively arranged in the anchor ingot and driving well along the preset natural inclination angles of the first steel cable and the second steel cable and are tightly attached to the lower side walls of the first steel cable and the second steel cable, the lowest positions of the first guide rail and the second guide rail are all higher than the water surface, and a first tunnel jacking device and a second tunnel jacking device are respectively arranged on the first guide rail and the second guide rail along the inclination angles of the first guide rail and the second guide rail;
the inner side wall of the anchor spindle and driving well is provided with a first notch for a first steel cable to penetrate through, a second notch for a second steel cable to penetrate through and a third notch for a third steel cable to penetrate through, the inner side wall of the anchor spindle and receiving well is provided with a fourth notch for the first steel cable to penetrate through, a fifth notch for the second steel cable to penetrate through and a sixth notch for the third steel cable to penetrate through, and two ends of the first steel cable, the second steel cable and the third steel cable are respectively fixed on the outer side walls of the corresponding anchor spindle and driving well and the corresponding anchor spindle and receiving well;
the cross sections of the first steel cable, the second steel cable and the third steel cable are all circular, and the diameters of the first steel cable, the second steel cable and the third steel cable are between 100mm and 1000 mm;
the first pipe joint and the second pipe joint are both steel pipes or steel pipe concrete pipes, the central axis of each section of the first pipe joint or the second pipe joint is a straight line, the cross section is a circle or a polygon with two vertical and horizontal symmetrical axes which are perpendicular to each other, the side view surface is an isosceles trapezoid with the upper side edge shorter than the lower side edge, the inside and outside sizes of the first pipe joint and the second pipe joint are the same, the maximum diagonal line of the outer diameter or the polygon section of the first pipe joint and the second pipe joint is between 2m and 20m, the length of the central axis line of the first pipe joint and the second pipe joint is between 2m and 30m, and the included angle of the two side edges of the isosceles trapezoid on the side view surface of the first pipe joint and the second pipe joint is below 5 degrees;
the first lower connecting ring, the second lower connecting ring, the first side connecting ring and the second side connecting ring are divided into two parts before being connected with the corresponding first steel cable, the second steel cable and the third steel cable, the first steel cable, the second steel cable and the third steel cable are clamped into the corresponding first lower connecting ring, the second lower connecting ring, the first side connecting ring and the second side connecting ring, and after being connected with the corresponding first pipe joint and the corresponding second pipe joint, the first lower connecting ring, the second lower connecting ring, the first side connecting ring and the second side connecting ring are respectively connected into a complete circular ring shape.
The invention is further configured to: the construction method of the underwater inverted-arch-shaped suspended double tunnel positioned by the steel cables is characterized by comprising the following steps of:
s1, prefabricating a plurality of sections of first pipe joints and a plurality of sections of second pipe joints; an anchor and ingot driving well and an anchor and ingot receiving well are respectively arranged on two banks of a water area to be crossed, and a first steel cable, a second steel cable and a third steel cable which are in a shape of Chinese character 'pin' are arranged on the anchor and ingot driving well and the anchor and ingot receiving well; a first door opening and a second door opening which can penetrate through a first tunnel and a second tunnel are symmetrically formed in the inner side wall of the anchor ingot and drive well about a vertical central axis of the inner side wall, a first notch which can penetrate through a first steel cable and a first lower connecting ring is formed right below the bottom side of the first door opening, a second notch which can penetrate through a second steel cable and a second lower connecting ring is formed right below the bottom side of the second door opening, and a third notch which can penetrate through a third steel cable, a first side connecting ring and a second side connecting ring is formed between the first door opening and the second door opening; a third door opening and a fourth door opening which can penetrate through the first tunnel and the second tunnel are symmetrically formed in the inner side wall of the anchor ingot and receiving well about a vertical central axis of the inner side wall, a fourth notch which can penetrate through the first steel cable and the first lower connecting ring is formed right below the bottom side of the third door opening, a fifth notch which can penetrate through the second steel cable and the second lower connecting ring is formed right below the bottom side of the fourth door opening, and a sixth notch which can penetrate through the third steel cable, the first side connecting ring and the second side connecting ring is formed between the third door opening and the fourth door opening; a first guide rail and a second guide rail are respectively arranged in the anchor ingot and driving well along the preset natural inclination angles of the first steel cable and the second steel cable and are tightly attached to the lower side walls of the first steel cable and the second steel cable, the lowest positions of the first guide rail and the second guide rail are higher than the water surface, and a first tunnel jacking device and a second tunnel jacking device are respectively arranged on the first guide rail and the second guide rail along the inclination angles of the first guide rail and the second guide rail;
s2, placing the first section of the first pipe joint on the first steel cable and the first guide rail, installing the corresponding first lower connecting ring on the first steel cable, installing the first side connecting ring on the third steel cable, dividing a complete ring into two sections by each first lower connecting ring and each first side connecting ring in advance, and connecting the first lower connecting ring or each first side connecting ring into a complete ring after the first lower connecting ring or the first side connecting ring is installed and penetrates through the corresponding first steel cable and the corresponding third steel cable; meanwhile, a first section of second pipe joint is placed on a second steel cable and a second guide rail, a corresponding second lower connecting ring is arranged on the second steel cable, a second side connecting ring is arranged on a third steel cable, each second lower connecting ring and each second side connecting ring can divide a complete ring into two sections in advance, and the second lower connecting ring or each second side connecting ring is connected into the complete ring after being arranged to penetrate through the corresponding second steel cable and the corresponding third steel cable;
s3, respectively installing a first end plate and a second end plate at the end parts of the first section of first pipe joint and the first section of second pipe joint close to the anchor ingot and receiving well, respectively pushing the first pipe joint and the second pipe joint by utilizing a first tunnel jacking device and a second tunnel jacking device in the anchor ingot and driving well, so that the first pipe joint and the second pipe joint respectively penetrate through a first door opening and a second door opening and move towards the anchor ingot and receiving well; simultaneously, injecting water into the first pipe joint and the second pipe joint to maintain buoyancy and gravity balance, wherein the water surface in the first pipe joint and the second pipe joint is lower than the outer water surface;
s4, sequentially placing the rear first pipe joint on the first steel cable and the first guide rail, and installing the corresponding first lower connecting ring and the corresponding first side connecting ring on the corresponding first steel cable and the corresponding third steel cable; simultaneously, sequentially placing the rear second pipe joint on the second steel cable and the second guide rail, and installing the corresponding second lower connecting ring and the corresponding second side surface connecting ring on the corresponding second steel cable and the corresponding third steel cable;
s5, butting and penetrating the first pipe joint and the first pipe joint adjacent to the front, fixedly connecting the first pipe joint and the first pipe joint adjacent to the front by using a welding method, butting and penetrating the second pipe joint and the second pipe joint adjacent to the front, and fixedly connecting the second pipe joint and the second pipe joint adjacent to the front by using a welding method;
s6, respectively pushing the first pipe joint and the second pipe joint to move towards the direction of the anchor and receiving well by using the first tunnel jacking device and the second tunnel jacking device in the anchor and driving well; simultaneously injecting water into a first tunnel and a second tunnel which are respectively communicated through a plurality of first pipe joints and second pipe joints to maintain buoyancy and gravity balance, wherein the water surface in the first tunnel and the second tunnel is lower than the outer water surface;
s7, repeating the steps S4, S5 and S6, finishing the installation of a plurality of sections of first pipe joints and second pipe joints, and jacking all the first pipe joints and the second pipe joints which are connected in a penetrating way to preset positions, wherein the end parts of the first pipe joints and the first pipe joints reach an anchor ingot and receiving well;
s8, removing a first end plate and a second end plate at the end parts of the first section of the first pipe joint and the first section of the second pipe joint, and connecting the first section of the first pipe joint and the first section of the second pipe joint with the anchor and receiving well; removing a first tunnel jacking device and a second tunnel jacking device of the anchor and driving well, and connecting one end of the last section of first pipe joint and one end of the last section of second pipe joint, which are close to the direction of the anchor and driving well, with the anchor and driving well; connecting a first tunnel and a second tunnel which are connected in a penetrating way with an anchor and driving well and an anchor and receiving well at two ends respectively to form two parallel penetrating integers;
s9, symmetrically sinking a plurality of pairs of pile foundations at two sides of the first tunnel and the second tunnel, wherein the distance between the pile foundations and the edge of the first tunnel or the second tunnel is smaller than or equal to the radius or the maximum side length of the cross section of the first tunnel or the second tunnel, and the top of the pile foundations is higher than the upper edge of the first tunnel or the second tunnel; and (3) fixedly restraining and protecting the first tunnel and the second tunnel from the side and the up-down direction by adopting the steel connecting beams and the cables fixed on the pile foundation, and then discharging the water body injected into the first tunnel and the second tunnel.
In conclusion, the invention has the following beneficial effects:
1) the underwater tunnel construction method using the steel cable for auxiliary positioning is provided, and the underwater suspended tunnel in rivers, lakes and seas can be conveniently and accurately positioned and constructed.
2) The underwater tunnel can be positioned by the aid of the steel cables, and the steel application market is favorably developed.
Drawings
FIG. 1 is a side view of the anchor and drive well and the anchor and receiver well of the present invention and 3 steel cables;
FIG. 2 is a schematic view of a first door opening, a second door opening and corresponding first, second and third notches in a sidewall of an anchor and drive well;
FIG. 3 is a schematic view of a third door opening, a fourth door opening and corresponding fourth, fifth and sixth notches in a sidewall of an anchor and receiving well;
FIG. 4 is a cross-sectional view of a first tube section of a tunnel traversing an inner wall of an anchor and drive well;
FIG. 5 is a sectional top view of a first segment first pipe section, a second segment first pipe section, a first segment second pipe section, and a second segment second pipe section;
FIG. 6 is a partial side sectional view of the first pipe section being pushed into the first and second sections;
FIG. 7 is a side view of a first pipe section being pushed into a fifth section;
FIG. 8 is a side view of a twenty-sixth section of a first pipe section being jacked and a pile foundation installed;
fig. 9 is a cross-sectional view of a complete tunnel.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.
First embodiment, as shown in fig. 1 to 8, the underwater inverted arch-shaped suspended double tunnel positioned by using steel cables according to the present invention includes an anchor and driving well 1 and an anchor and receiving well 2, wherein a first steel cable 53, a second steel cable 54, a third steel cable 55, a first tunnel 3 and a second tunnel 4 having a circular cross section or a polygonal cross section having two vertical and horizontal symmetry axes perpendicular to each other are disposed between the anchor and driving well 1 and the anchor and receiving well 2.
The first steel cable 53 is positioned under the first tunnel 3, the second steel cable 54 is positioned under the second tunnel 4, the third steel cable 55 is positioned between the first tunnel 3 and the second tunnel 4, the cross sections of the first steel cable 53, the second steel cable 54 and the third steel cable 55 are arranged in a delta shape, the first steel cable 53 and the second steel cable 54 are positioned under the delta shape, the third steel cable 55 is positioned above the delta shape, the fixing points of the first steel cable 53 and the second steel cable 54 on the outer side wall of the anchor and driving well 1 or the anchor and receiving well 2 are symmetrical about the vertical central axis thereof, and the distance between the centers of the two fixing points is the width of the cross section of the first tunnel 3 or the second tunnel 4 plus the gap width thereof; the center of a fixed point of the third steel cable 55 on the outer side wall of the anchor spindle concurrently-driving well 1 or the anchor spindle concurrently-receiving well 2 is on the vertical central axis.
The first, second and third steel cables 53, 54 and 55 are all circular in cross-section, with a diameter of no less than 100mm and no more than 1000 mm. The central axes of the first steel cable 53, the second steel cable 54 and the third steel cable 55 are straight lines parallel to each other in a plan view, and are inverted arch curves having the same sagittal-to-transverse ratio in a side view, and the sagittal-to-transverse ratio thereof is not less than 1/10 and not more than 1/1000.
A first guide rail and a second guide rail are respectively arranged in the anchor ingot and driving well 1 along the preset natural inclination angles of the first steel cable 53 and the second steel cable 54 and tightly attached to the lower parts of the first steel cable and the second steel cable, and the lowest positions of the first guide rail and the second guide rail are all higher than the water surface. And a first tunnel jacking device and a second tunnel jacking device are respectively arranged on the first guide rail and the second guide rail along the inclination angles of the first guide rail and the second guide rail.
The first tunnel 3 is divided into M sections along the longitudinal direction, the first pipe sections are numbered as 3-1, 3-2, … and 3-M in sequence, and the second tunnel 4 is also divided into M sections along the longitudinal direction, the second pipe sections are numbered as 4-1, 4-2, … and 4-M in sequence.
N numbers of first lower connecting rings which are 3-1-1, 3-1-2, … and 3-1-N are arranged right below the bottom side of the first pipe joint 3-1 at equal intervals, and N numbers of first lower connecting rings which are 4-1-1, 4-1-2, … and 4-1-N are arranged right below the bottom side of the second pipe joint 4-1 at equal intervals; n corresponding first lower connecting rings or second lower connecting rings are arranged under the bottom sides of the first pipe joint and the second pipe joint at equal intervals, for example, N first lower connecting rings arranged under the bottom side of the first pipe joint 3-M at equal intervals are numbered as 3-M-1, 3-M-2, … and 3-M-N in sequence, N second lower connecting rings arranged under the bottom side of the second pipe joint 4-M at equal intervals are numbered as 4-M-1, 4-M-2, … and 4-M-N in sequence. Wherein all first lower connecting rings are provided for the first steel cable 53 to pass through and all second lower connecting rings are provided for the second steel cable 54 to pass through.
Two first side connecting rings 3-1-A and 3-1-B are arranged at two ends of the first pipe joint 3-1 on the horizontal symmetry axis and close to the outer side of the second pipe joint 4-1, and two second side connecting rings 4-1-A and 4-1-B are arranged at two ends of the second pipe joint 4-1 on the horizontal symmetry axis and close to the outer side of the first pipe joint 3-1; two first side connecting rings or two second side connecting rings are also arranged at the two ends of each other section of the first pipe joint and the second pipe joint on the horizontal symmetry axis and close to the outer sides of the adjacent parallel pipe joints, for example, two first side connecting rings 3-M-A and 3-M-B are arranged at the two ends of the first pipe joint 3-M on the horizontal symmetry axis and close to the outer side of the second pipe joint 4-M, and two second side connecting rings 4-M-A and 4-M-B are arranged at the two ends of the second pipe joint 4-M on the horizontal symmetry axis and close to the outer side lower than the pipe joint 3-M. All the first side connecting rings and the second side connecting rings are provided for the corresponding third steel cables 55 to pass through, and the third steel cables 55 alternately pass through all the corresponding first side connecting rings and second side connecting rings between the first tunnel 3 and the second tunnel 4.
A first door opening 13 and a second door opening 14 which have circular or polygonal cross sections with vertical and horizontal two mutually vertical symmetric axes and can pass through the first tunnel 3 and the second tunnel 4 are symmetrically arranged on the inner side wall of the anchor ingot and driving well 1 about the vertical central axis; a first notch 153 which can pass through the first steel cable 53 and the first lower connecting rings 3-1-1, 3-1-2, … and 3-M-N is arranged right below the bottom side of the first door opening 13, a second notch 154 which can pass through the second steel cable 54 and the second lower connecting rings 4-1-1, 4-1-2, … and 4-M-N is arranged right below the bottom side of the second door opening 14, and a third notch 155 which can pass through the third steel cable 55 and the first side connecting ring 3-1-A, the second side connecting ring 4-1-A, the first side connecting ring 3-1-B, the second side connecting ring 4-1-B, … and the second side connecting ring 4-M-B is arranged between the first door opening 13 and the second door opening 14; the first notch 153 communicates with the first door opening 13 above, the second notch 154 communicates with the second door opening 14 above, and the third notch 155 communicates with the first door opening 13 and the second door opening 14 on both sides.
A third door opening 23 and a fourth door opening 24 which have circular or polygonal cross sections with vertical and horizontal two mutually vertical symmetric axes and can pass through the first tunnel 3 and the second tunnel 4 are symmetrically arranged on the inner side wall of the anchor ingot receiving well 2 relative to the vertical middle axis; a fourth notch 253 capable of passing through the first steel cable 53 and the first lower connecting ring 3-1-1 is formed right below the bottom side of the third door opening 23, a fifth notch 254 capable of passing through the second steel cable 54 and the second lower connecting ring 4-1-1 is formed right below the bottom side of the fourth door opening 24, and a sixth notch 255 capable of passing through the third steel cable 55, the first side connecting ring 3-1-A and the second side 4-1-A is formed between the third door opening 23 and the fourth door opening 24; the fourth notch 253 is communicated with the third door opening 23 above, the fifth notch 254 is communicated with the fourth door opening 24 above, and the sixth notch 255 is communicated with the third door opening 23 and the fourth door opening 24 on both sides.
One end of a first steel cable 53 penetrates through a first notch 153 in the inner side wall of the anchor spindle and driving well 1, is closely laid on the first guide rail and is fixed on the outer side wall of the anchor spindle and driving well 1; the other end passes through a fourth notch 253 on the inner side wall of the anchor and receiving well 2 and is fixed on the outer side wall of the anchor and receiving well 2. One end of the second steel cable 54 passes through a second gap 154 on the inner side wall of the anchor spindle and driving well 1, is closely laid on the second guide rail and is fixed on the outer side wall of the anchor spindle and driving well 1; the other end passes through a fifth notch 254 on the inner side wall of the anchor and receiving well 2 and is fixed on the outer side wall of the anchor and receiving well 2. One end of a third steel cable 55 penetrates through a third notch 155 on the inner side wall of the anchor spindle and driving well 1 and is fixed on the outer side wall of the anchor spindle and driving well 1; the other end passes through a sixth notch 255 on the inner side wall of the anchor and receiving well 2 and is fixed on the outer side wall of the anchor and receiving well 2.
The first pipe joint 3-1 and the second pipe joint 4-1 are steel pipes or steel pipe concrete pipes, the central axis of each section of the first pipe joint 3-1 and the central axis of each section of the second pipe joint 4-1 are straight lines, the cross section is circular or polygonal with two vertical and horizontal mutually-perpendicular symmetrical axes, and the side view surface is an isosceles trapezoid with the upper side edge line shorter than the lower side edge line. The maximum diagonal line of the outer diameter or polygonal section of the first pipe joint 3-1 and the second pipe joint 4-1 is not less than 2m and not more than 20m, the length of the central axis segment of each section of the first pipe joint 3-1 and the second pipe joint 4-1 is not less than 2m and not more than 30m, and the included angle of the extension lines of the two side edges of the isosceles trapezoid of the side view surface of each section of the first pipe joint 3-1 and the second pipe joint 4-1 is not more than 5 degrees.
In a second embodiment, a method for constructing an underwater inverted arch-shaped suspended double tunnel positioned by using steel cables comprises the following steps:
s1, prefabricating M sections of first pipe joints, wherein the numbers of the M sections of first pipe joints are 3-1, 3-2, … and 3-M in sequence, the numbers of the M sections of second pipe joints are 4-1, 4-2, … and 4-M in sequence, each section of first pipe joint is 3-1, 3-2, … and 3-M or each section of second pipe joint 4-1, 4-2, … and 4-M, the central axis is a straight line, the cross section is a circle or a polygon with two vertical and horizontal mutually perpendicular symmetrical axes, the side view surface is an isosceles trapezoid with an upper side edge shorter than a lower side edge, the maximum diagonal line of the outer diameter or the polygon cross section is not less than 2M and not more than 20M, the length of the central axis section is not less than 2M and not more than 30M, and the included angle of the extension lines of the two sides of. An anchor and driving well 1 and an anchor and receiving well 2 are respectively arranged on two banks of a water area to be crossed, a first steel cable 53, a second steel cable 54 and a third steel cable 55 which are in a shape like a Chinese character 'pin' are arranged on the anchor and driving well 1 and the anchor and receiving well 2, a plurality of first lower connecting rings are sleeved on the first steel cable 53 and are sequentially numbered as 3-1-1, 3-1-2, … and 3-M-N (N is the number of each first pipe joint connected with the first connecting ring), a plurality of second lower connecting rings are sleeved on the second steel cable 54 and are sequentially numbered as 4-1-1, 4-1-2, … and 4-M-N (N is the number of each second pipe joint connected with the second connecting ring), a plurality of first side connecting rings are sleeved on the third steel cable 55 at intervals and are sequentially numbered as 3-1-A, 3-M-N, 3-1-B, …, 3-M-A, 3-M-B and the second side connecting ring are numbered as 4-1-A, 4-1-B, …, 4-M-A and 4-M-B in sequence; a first circular door opening 13 and a second circular door opening 14 which can pass through the first tunnel 3 and the second tunnel 4 are symmetrically arranged on the inner side wall of the anchor ingot and drive well 1 about the vertical central axis, a first notch 153 which can pass through the first steel cable 53 and the first lower connecting rings 3-1-1, 3-1-2, … and 3-M-N is arranged right below the bottom side of the first door opening 13, a second notch 154 which can pass through the second steel cable 54 and the second lower connecting rings 4-1-1, 4-1-2, … and 4-M-N is arranged right below the bottom side of the second door opening 14, a third steel cable 55, a first side surface 3-1-A, 3-1-B, …, 3-M-A, 3-M-B and a second side surface 4-1-A connecting rings are arranged between the first door opening 13 and the second door opening 14, A third notch 155 of 4-1-B, …, 4-M-A, 4-M-B; a third round door opening 23 and a fourth round door opening 24 which can pass through the first tunnel 3 and the second tunnel 4 are symmetrically arranged on the inner side wall of the anchor and receiving well 2 about the vertical central axis of the anchor and receiving well, a fourth notch 253 which can pass through the first steel cable 53 and the first lower connecting rings 3-1-1, 3-1-2, … and 3-M-N is arranged right below the bottom side of the third door opening 23, a fifth notch 254 which can pass through the second steel cable 54 and the second lower connecting rings 4-1-1, 4-1-2, … and 4-M-N is arranged right below the bottom side of the fourth door opening 24, and a third connecting ring 55, a first side surface 3-1-A, 3-1-B, …, 3-M-A, 3-M-B and a second side surface 4-1-A are arranged between the third door opening 23 and the fourth door opening 24, A sixth notch 255 of 4-1-B, …, 4-M-A, 4-M-B; a first guide rail and a second guide rail are respectively arranged in the anchor ingot and driving well 1 along the preset natural inclination angles of the first steel cable 53 and the second steel cable 54 and tightly attached to the lower parts of the first guide rail and the second guide rail, the lowest positions of the first guide rail and the second guide rail are all higher than the water surface, and a first tunnel jacking device and a second tunnel jacking device are respectively arranged on the first guide rail and the second guide rail along the inclination angles of the first guide rail and the second guide rail;
s2, placing the first section of the first pipe joint 3-1 on the first steel cable 53 and the first guide rail, and fixing the corresponding first lower connecting rings 3-1-1, 3-1-2, …, 3-1-N and first side connecting rings 3-1-A and 3-1-B on the first pipe joint 3-1 by welding; simultaneously, a first section of second pipe joint 4-1 is placed on the second steel cable 54 and the second guide rail, and corresponding second lower connecting rings 4-1-1, 4-1-2, …, 4-1-N and second side connecting rings 4-1-A and 4-1-B are arranged on the second pipe joint;
s3, respectively installing a first end plate 3B and a second end plate 4B for sealing at the end parts of the first section of first pipe joint 3-1 and the first section of second pipe joint 4-1 close to the anchor spindle and receiving well 2, respectively pushing the first pipe joint 3-1 and the second pipe joint 4-1 by utilizing a first tunnel jacking device and a second tunnel jacking device in the anchor spindle and driving well 1, and enabling the first pipe joint 3-1 and the second pipe joint 4-1 to respectively pass through a first door opening 13 and a second door opening 14 and move towards the anchor spindle and receiving well 2; simultaneously, water is injected into the first pipe joint 3-1 and the second pipe joint 4-1 to maintain buoyancy and gravity balance, and the water level in the first pipe joint 3-1 and the second pipe joint 4-1 is lower than the outer water level;
s4, sequentially placing the rear first pipe joints 3-2, … and 3-M on the first steel cable 53 and the first guide rail, and installing the corresponding first lower connecting rings 3-2-1, 3-2-2, … and 3-M-N and the first side connecting rings 3-2-A, 3-2-B, …, 3-M-A and 3-M-B on the corresponding first steel cable 53 and the corresponding third steel cable 55; simultaneously sequentially placing the rear second pipe joints 4-2, … and 4-M on the second steel cable 54 and the second guide rail, and installing the corresponding second lower connecting rings 4-2-1, 4-2-2, … and 4-M-N and second side connecting rings 4-2-A, 4-2-B, …, 4-M-A and 4-M-B on the corresponding second steel cable 54 and third steel cable 55;
s5, butting and penetrating the first pipe joints 3-2, … and 3-M with the front adjacent first pipe joints, fixedly connecting the first pipe joints 3-2, … and 3-M with the front adjacent first pipe joints by using a welding method, butting and penetrating the second pipe joints 4-2, … and 4-M with the front adjacent second pipe joints, and fixedly connecting the second pipe joints 4-2, … and 4-M with the front adjacent second pipe joints by using a welding method;
s6, respectively pushing the first pipe joints 3-2, … and 3-M and the second pipe joints 4-2, … and 4-M to move towards the direction of the anchor ingot concurrently-receiving well 2 by utilizing the first tunnel jacking device and the second tunnel jacking device in the anchor ingot concurrently-driving well; simultaneously injecting water into a first tunnel 3 and a second tunnel 4 which are respectively communicated through a plurality of first pipe joints 3-1, 3-2, …, 3-M and second pipe joints 4-1, 4-2, … and 4-M to maintain buoyancy and gravity balance, wherein the water level in the first tunnel 3 and the second tunnel 4 is lower than the outer water level;
s7, repeating the steps S4, S5 and S6, finishing installing a plurality of sections of first pipe joints 3-1, 3-2, …, 3-M and second pipe joints 4-1, 4-2, … and 4-M, and jacking all the first pipe joints 3-1, 3-2, …, 3-M and second pipe joints 4-1, 4-2, … and 4-M which are connected in a penetrating way to a preset position, wherein the end parts of the first section of the first pipe joint 3-1 and the first section of the second pipe joint 4-1 reach the anchor and receiving well 2;
s8, detaching a first end plate and a second end plate at the end parts of the first section of the first pipe section 3-1 and the first section of the second pipe section 4-1, and connecting the first section of the first pipe section 3-1 and the first section of the first pipe section 4-1 with the anchor and receiving well 2; removing a first tunnel jacking device and a second tunnel jacking device of the anchor ingot and driving well 1, and connecting one end of the last section of the first pipe joint 3-M and one end of the last section of the second pipe joint 4-M, which are close to the anchor ingot and driving well 1, with the anchor ingot and driving well 1; the first tunnel 3 and the second tunnel 4 which are connected in a penetrating way are respectively connected with the anchor and driving well 1 and the anchor and receiving well 2 at two ends to form two mutually parallel penetrating whole bodies.
S9, symmetrically sinking a plurality of pairs of pile foundations 6 into two sides of the first tunnel 3 and the second tunnel 4, wherein the diameter or the minimum side length of each pile foundation 6 is not less than 800mm, the distance between the pile foundations 6 and the edge of the first tunnel 3 or the second tunnel 4 is not more than the radius of the cross section or the maximum side length of the first tunnel 3 or the second tunnel 4, and the top of each pile foundation 6 is higher than the upper edge of the first tunnel 3 or the second tunnel 4 nearby; the first tunnel 3 and the second tunnel 4 are fixedly restrained and protected from the side and the up-and-down direction by using steel coupling beams and cables fixed to the pile foundation 6, and then the water body injected into the first tunnel 3 and the second tunnel 4 is discharged.
Application example 1: s1, prefabricating a plurality of first pipe joints 3-1, 3-2, …, 3-26 and second pipe joints 4-1, 4-2, … and 4-26, wherein the central axis of each first pipe joint 3-1, 3-2, …, 3-26 or second pipe joint 4-1, 4-2, … and 4-26 is a straight line, the cross section is a circle or a polygon with two vertical and horizontal mutually perpendicular symmetry axes, the side view surface is an isosceles trapezoid with the upper side edge line shorter than the lower side edge line, the maximum diagonal line of the outer diameter or polygon cross section is not less than 2m and not more than 20m, the length of the central axis line is not less than 2m and not more than 30m, and the included angle of the extension lines of the two side edges of the isosceles trapezoid is not more than 5 degrees. An anchor and driving well 1 and an anchor and receiving well 2 are respectively arranged on two banks of a water area to be crossed, a first steel cable 53, a second steel cable 54 and a third steel cable 55 which are in a shape like a Chinese character 'pin' are arranged on the anchor and driving well 1 and the anchor and receiving well 2, a plurality of first lower connecting rings 3-1-1, 3-1-2, … and 3-26-2 are sleeved on the first steel cable 53 (two first connecting rings are arranged on each first pipe joint), a plurality of second lower connecting rings 4-1-1, 4-1-2, … and 4-26-2 are sleeved on the second steel cable 54 (two second connecting rings are arranged on each second pipe joint), a plurality of first side connecting rings 3-1-A, 3-1-B, …, 3-26-A and 3-1-A are alternately sleeved on the third steel cable 55, 3-26-B and second side connecting rings 4-1-A, 4-1-B, …, 4-26-A and 4-26-B; a first circular door opening 13 and a second circular door opening 14 which can pass through the first tunnel 3 and the second tunnel 4 are symmetrically arranged on the inner side wall of the anchor ingot and drive well 1 about the vertical central axis, a first notch 153 which can pass through the first steel cable 53 and the first lower connecting rings 3-1-1, 3-1-2, … and 3-26-2 is arranged right below the bottom side of the first door opening 13, a second notch 154 which can pass through the second steel cable 54 and the second lower connecting rings 4-1-1, 4-1-2, … and 4-26-2 is arranged right below the bottom side of the second door opening 14, a third steel cable 55, a first side surface 3-1-A, 3-1-B, …, 3-26-A, 3-26-B and a second side surface 4-1-A connecting ring are arranged between the first door opening 13 and the second door opening 14, 4-1-B, …, 4-26-a, 4-26-B; a third round door opening 23 and a fourth round door opening 24 which can pass through the first tunnel 3 and the second tunnel 4 are symmetrically arranged on the inner side wall of the anchor and receiving well 2 about the vertical central axis of the anchor and receiving well, a fourth notch 253 which can pass through the first steel cable 53 and the first lower connecting rings 3-1-1, 3-1-2, … and 3-26-2 is arranged right below the bottom side of the third door opening 23, a fifth notch 254 which can pass through the second steel cable 54 and the second lower connecting rings 4-1-1, 4-1-2, … and 4-26-2 is arranged right below the bottom side of the fourth door opening 24, and a third connecting ring 55, a first side surface 3-1-A, 3-1-B, …, 3-26-A, 3-26-B and a second side surface 4-1-A are arranged between the third door opening 23 and the fourth door opening 24, A sixth notch 255 of 4-1-B, …, 4-26-A, 4-26-B; a first guide rail and a second guide rail are respectively arranged in the anchor ingot and driving well 1 along the preset natural inclination angles of the first steel cable 53 and the second steel cable 54 and tightly attached to the lower parts of the first guide rail and the second guide rail, the lowest positions of the first guide rail and the second guide rail are all higher than the water surface, and a first tunnel jacking device and a second tunnel jacking device are respectively arranged on the first guide rail and the second guide rail along the inclination angles of the first guide rail and the second guide rail;
s2, placing the first section of the first pipe joint 3-1 on the first steel cable 53 and the first guide rail, and fixing the corresponding first lower connecting rings 3-1-1 and 3-1-2 and first side connecting rings 3-1-A and 3-1-B on the first pipe joint 3-1 through welding; meanwhile, a first section of second pipe joint 4-1 is placed on the second steel cable 54 and the second guide rail, and corresponding second lower connecting rings 4-1-1 and 4-1-2 and second side connecting rings 4-1-A and 4-1-B are welded and fixed on the second pipe joint 4-1;
s3, a first end plate and a second end plate are respectively arranged at the end parts of the first section of first pipe joint 3-1 and the first section of second pipe joint 4-1 close to the anchor and receiving well 2; respectively pushing a first pipe section 3-1 and a second pipe section 4-1 by utilizing a first tunnel jacking device and a second tunnel jacking device in the anchor concurrently-driven well 1, so that the first pipe section 3-1 and the second pipe section 4-1 respectively pass through a first door opening 13 and a second door opening 14 and move towards the anchor concurrently-driven well 2; simultaneously, water is injected into the first pipe joint 3-1 and the second pipe joint 4-1 to maintain buoyancy and gravity balance, and the water level in the first pipe joint 3-1 and the second pipe joint 4-1 is lower than the outer water level;
s4, sequentially placing the rear first pipe joints 3-2, … and 3-26 on the first steel cable 53 and the first guide rail, and installing the corresponding first lower connecting rings 3-2-1, 3-2-2, … and 3-26-2 and first side connecting rings 3-2-A, 3-2-B, …, 3-26-A and 3-26-B on the corresponding first steel cable 53 and third steel cable 55; simultaneously sequentially placing the rear second pipe joints 4-2, …, 4-26 on the second steel cable 54 and the second guide rail, and installing the corresponding second lower connecting rings 4-2-1, 4-2-2, …, 4-26-2 and second side connecting rings 4-2-A, 4-2-B, …, 4-26-A, 4-26-B on the corresponding second steel cable 54 and third steel cable 55;
s5, butting and penetrating the first pipe joints 3-2, … and 3-26 with the front adjacent first pipe joint 3-1, fixedly connecting the first pipe joints 3-2, … and 3-26 with the front adjacent first pipe joint 3-1 by using a welding method, butting and penetrating the second pipe joints 4-2, … and 4-26 with the front adjacent second pipe joint 4-1, and fixedly connecting the second pipe joints 4-2, … and 4-26 with the front adjacent second pipe joint 4-1 by using a welding method;
s6, respectively pushing the first pipe joints 3-2, … and 3-26 and the second pipe joints 4-2, … and 4-26 to move towards the direction of the anchor and receiving well 2 by utilizing the first tunnel jacking device and the second tunnel jacking device in the anchor and driving well; simultaneously injecting water into a first tunnel 3 and a second tunnel 4 which are respectively communicated through a plurality of first pipe joints 3-1, 3-2, …, 3-26 and second pipe joints 4-1, 4-2, …, 4-26 to maintain buoyancy and gravity balance, wherein the water level in the first tunnel 3 and the second tunnel 4 is lower than the outer water level;
s7, repeating the steps S4, S5 and S6, completing installation of a plurality of sections of first pipe joints 3-1, 3-2, …, 3-M and second pipe joints 4-1, 4-2, … and 4-26, and jacking all the first pipe joints 3-1, 3-2, …, 3-M and second pipe joints 4-1, 4-2, … and 4-26 which are connected in a penetrating way to a preset position, wherein the end parts of the first section of the first pipe joint 3-1 and the first section of the second pipe joint 4-1 reach the anchor and receiving well 2;
s8, detaching a first end plate 3B and a second end plate 4B at the end parts of the first section of the first pipe joint 3-1 and the first section of the second pipe 4-1, and connecting the first section of the first pipe joint 3-1 and the first section of the first pipe joint 4-1 with the anchor and receiving well 2; removing a first tunnel jacking device and a second tunnel jacking device of the anchor and driving well 1, and connecting one end of the last section of the first pipe joint 3-26 and one end of the last section of the second pipe joint 4-26, which are close to the anchor and driving well 1, with the anchor and driving well 1; the first tunnel 3 and the second tunnel 4 which are connected in a penetrating way are respectively connected with the anchor and driving well 1 and the anchor and receiving well 2 at two ends to form two mutually parallel penetrating whole bodies.
S9, symmetrically sinking a plurality of pairs of pile foundations 6 into two sides of the first tunnel 3 and the second tunnel 4, wherein the diameter or the minimum side length of each pile foundation 6 is not less than 800mm, the distance between the pile foundations 6 and the edge of the first tunnel 3 or the second tunnel 4 is not more than the radius of the cross section or the maximum side length of the first tunnel 3 or the second tunnel 4, and the top of each pile foundation 6 is higher than the upper edge of the first tunnel 3 or the second tunnel 4 nearby; the first tunnel 3 and the second tunnel 4 are fixedly restrained and protected from the side and the up-and-down direction by using steel coupling beams and cables fixed to the pile foundation 6, and then the water body injected into the first tunnel 3 and the second tunnel 4 is discharged.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. An underwater inverted arch suspension double tunnel positioned by using a steel cable is characterized by comprising an anchor ingot and driving well and an anchor ingot and receiving well, wherein a first steel cable, a second steel cable, a third steel cable, a first tunnel with a circular section, a second tunnel with a full-equal section, or a polygonal section with two vertical and horizontal symmetrical axes which are perpendicular to each other are arranged between the anchor ingot and driving well and the anchor ingot and receiving well;
the first tunnel is longitudinally divided into a plurality of first pipe joints, the second tunnel is longitudinally divided into a plurality of second pipe joints, a plurality of first lower connecting rings are arranged right below the bottom side of each first pipe joint at equal intervals, and the first lower connecting rings are used for the corresponding first steel cables to penetrate through;
a plurality of second lower connecting rings are arranged right below the bottom side of the second pipe joint at equal intervals, and the second lower connecting rings are used for the corresponding second steel cables to penetrate through;
two first side connecting rings are arranged at two ends of the first pipe joint on the horizontal symmetrical axis and close to two ends of the outer side wall of the second pipe joint, two second side connecting rings are arranged at two ends of the second pipe joint on the horizontal symmetrical axis and close to two ends of the outer side wall of the first pipe joint, and the first side connecting rings and the second side connecting rings are respectively used for corresponding third steel cables to penetrate through;
a first guide rail and a second guide rail are respectively arranged in the anchor ingot and driving well along the preset natural inclination angles of the first steel cable and the second steel cable and are tightly attached to the lower side walls of the first steel cable and the second steel cable, the lowest positions of the first guide rail and the second guide rail are all higher than the water surface, and a first tunnel jacking device and a second tunnel jacking device are respectively arranged on the first guide rail and the second guide rail along the inclination angles of the first guide rail and the second guide rail;
the inner side wall of the anchor spindle and driving well is provided with a first notch for a first steel cable to penetrate through, a second notch for a second steel cable to penetrate through and a third notch for a third steel cable to penetrate through, the inner side wall of the anchor spindle and receiving well is provided with a fourth notch for the first steel cable to penetrate through, a fifth notch for the second steel cable to penetrate through and a sixth notch for the third steel cable to penetrate through, and two ends of the first steel cable, the second steel cable and the third steel cable are respectively fixed on the outer side walls of the corresponding anchor spindle and driving well and the corresponding anchor spindle and receiving well;
the cross sections of the first steel cable, the second steel cable and the third steel cable are all circular, and the diameters of the first steel cable, the second steel cable and the third steel cable are between 100mm and 1000 mm;
the first pipe joint and the second pipe joint are both steel pipes or steel pipe concrete pipes, the central axis of each section of the first pipe joint or the second pipe joint is a straight line, the cross section is a circle or a polygon with two vertical and horizontal symmetrical axes which are perpendicular to each other, the side view surface is an isosceles trapezoid with the upper side edge shorter than the lower side edge, the inside and outside sizes of the first pipe joint and the second pipe joint are the same, the maximum diagonal line of the outer diameter or the polygon section of the first pipe joint and the second pipe joint is between 2m and 20m, the length of the central axis line of the first pipe joint and the second pipe joint is between 2m and 30m, and the included angle of the two side edges of the isosceles trapezoid on the side view surface of the first pipe joint and the second pipe joint is below 5 degrees;
the first lower connecting ring, the second lower connecting ring, the first side connecting ring and the second side connecting ring are divided into two parts before being connected with the corresponding first steel cable, the second steel cable and the third steel cable, the first steel cable, the second steel cable and the third steel cable are clamped into the corresponding first lower connecting ring, the second lower connecting ring, the first side connecting ring and the second side connecting ring, and after being connected with the corresponding first pipe joint and the corresponding second pipe joint, the first lower connecting ring, the second lower connecting ring, the first side connecting ring and the second side connecting ring are respectively connected into a complete circular ring shape.
2. A method of constructing an underwater inverted arch-shaped floating double tunnel using a steel cable for positioning according to claim 1, comprising the steps of:
s1, prefabricating a plurality of sections of first pipe joints and a plurality of sections of second pipe joints; an anchor and ingot driving well and an anchor and ingot receiving well are respectively arranged on two banks of a water area to be crossed, and a first steel cable, a second steel cable and a third steel cable which are in a shape of Chinese character 'pin' are arranged on the anchor and ingot driving well and the anchor and ingot receiving well; a first door opening and a second door opening which can penetrate through a first tunnel and a second tunnel are symmetrically formed in the inner side wall of the anchor ingot and drive well about a vertical central axis of the inner side wall, a first notch which can penetrate through a first steel cable and a first lower connecting ring is formed right below the bottom side of the first door opening, a second notch which can penetrate through a second steel cable and a second lower connecting ring is formed right below the bottom side of the second door opening, and a third notch which can penetrate through a third steel cable, a first side connecting ring and a second side connecting ring is formed between the first door opening and the second door opening; a third door opening and a fourth door opening which can penetrate through the first tunnel and the second tunnel are symmetrically formed in the inner side wall of the anchor ingot and receiving well about a vertical central axis of the inner side wall, a fourth notch which can penetrate through the first steel cable and the first lower connecting ring is formed right below the bottom side of the third door opening, a fifth notch which can penetrate through the second steel cable and the second lower connecting ring is formed right below the bottom side of the fourth door opening, and a sixth notch which can penetrate through the third steel cable, the first side connecting ring and the second side connecting ring is formed between the third door opening and the fourth door opening; a first guide rail and a second guide rail are respectively arranged in the anchor ingot and driving well along the preset natural inclination angles of the first steel cable and the second steel cable and are tightly attached to the lower side walls of the first steel cable and the second steel cable, the lowest positions of the first guide rail and the second guide rail are higher than the water surface, and a first tunnel jacking device and a second tunnel jacking device are respectively arranged on the first guide rail and the second guide rail along the inclination angles of the first guide rail and the second guide rail;
s2, placing the first section of the first pipe joint on the first steel cable and the first guide rail, installing the corresponding first lower connecting ring on the first steel cable, installing the first side connecting ring on the third steel cable, dividing a complete ring into two sections by each first lower connecting ring and each first side connecting ring in advance, and connecting the first lower connecting ring or each first side connecting ring into a complete ring after the first lower connecting ring or the first side connecting ring is installed and penetrates through the corresponding first steel cable and the corresponding third steel cable; meanwhile, a first section of second pipe joint is placed on a second steel cable and a second guide rail, a corresponding second lower connecting ring is arranged on the second steel cable, a second side connecting ring is arranged on a third steel cable, each second lower connecting ring and each second side connecting ring can divide a complete ring into two sections in advance, and the second lower connecting ring or each second side connecting ring is connected into the complete ring after being arranged to penetrate through the corresponding second steel cable and the corresponding third steel cable;
s3, respectively installing a first end plate and a second end plate at the end parts of the first section of first pipe joint and the first section of second pipe joint close to the anchor ingot and receiving well, respectively pushing the first pipe joint and the second pipe joint by utilizing a first tunnel jacking device and a second tunnel jacking device in the anchor ingot and driving well, so that the first pipe joint and the second pipe joint respectively penetrate through a first door opening and a second door opening and move towards the anchor ingot and receiving well; simultaneously, injecting water into the first pipe joint and the second pipe joint to maintain buoyancy and gravity balance, wherein the water surface in the first pipe joint and the second pipe joint is lower than the outer water surface;
s4, sequentially placing the rear first pipe joint on the first steel cable and the first guide rail, and installing the corresponding first lower connecting ring and the corresponding first side connecting ring on the corresponding first steel cable and the corresponding third steel cable; simultaneously, sequentially placing the rear second pipe joint on the second steel cable and the second guide rail, and installing the corresponding second lower connecting ring and the corresponding second side surface connecting ring on the corresponding second steel cable and the corresponding third steel cable;
s5, butting and penetrating the first pipe joint and the first pipe joint adjacent to the front, fixedly connecting the first pipe joint and the first pipe joint adjacent to the front by using a welding method, butting and penetrating the second pipe joint and the second pipe joint adjacent to the front, and fixedly connecting the second pipe joint and the second pipe joint adjacent to the front by using a welding method;
s6, respectively pushing the first pipe joint and the second pipe joint to move towards the direction of the anchor and receiving well by using the first tunnel jacking device and the second tunnel jacking device in the anchor and driving well; simultaneously injecting water into a first tunnel and a second tunnel which are respectively communicated through a plurality of first pipe joints and second pipe joints to maintain buoyancy and gravity balance, wherein the water surface in the first tunnel and the second tunnel is lower than the outer water surface;
s7, repeating the steps S4, S5 and S6, finishing the installation of a plurality of sections of first pipe joints and second pipe joints, and jacking all the first pipe joints and the second pipe joints which are connected in a penetrating way to preset positions, wherein the end parts of the first pipe joints and the first pipe joints reach an anchor ingot and receiving well;
s8, removing a first end plate and a second end plate at the end parts of the first section of the first pipe joint and the first section of the second pipe joint, and connecting the first section of the first pipe joint and the first section of the second pipe joint with the anchor and receiving well; removing a first tunnel jacking device and a second tunnel jacking device of the anchor and driving well, and connecting one end of the last section of first pipe joint and one end of the last section of second pipe joint, which are close to the direction of the anchor and driving well, with the anchor and driving well; connecting a first tunnel and a second tunnel which are connected in a penetrating way with an anchor and driving well and an anchor and receiving well at two ends respectively to form two parallel penetrating integers;
s9, symmetrically sinking a plurality of pairs of pile foundations at two sides of the first tunnel and the second tunnel, wherein the distance between the pile foundations and the edge of the first tunnel or the second tunnel is smaller than or equal to the radius or the maximum side length of the cross section of the first tunnel or the second tunnel, and the top of the pile foundations is higher than the upper edge of the first tunnel or the second tunnel; and (3) fixedly restraining and protecting the first tunnel and the second tunnel from the side and the up-down direction by adopting the steel connecting beams and the cables fixed on the pile foundation, and then discharging the water body injected into the first tunnel and the second tunnel.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064318A (en) * | 1998-08-21 | 2000-02-29 | Ishikawajima Harima Heavy Ind Co Ltd | Immersion method for immersing tube |
| CN1743565A (en) * | 2005-09-29 | 2006-03-08 | 中国科学院力学研究所 | Curved sight-seeing Archimedean bridge |
| JP2007138636A (en) * | 2005-11-21 | 2007-06-07 | Kagero Kobosha:Kk | Subaqueous tunnel |
| CN109334683A (en) * | 2018-12-03 | 2019-02-15 | 西京学院 | A kind of seabed vacuum pipe traffic system and its push mode laying method |
-
2019
- 2019-06-04 CN CN201910481071.0A patent/CN110258643B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064318A (en) * | 1998-08-21 | 2000-02-29 | Ishikawajima Harima Heavy Ind Co Ltd | Immersion method for immersing tube |
| CN1743565A (en) * | 2005-09-29 | 2006-03-08 | 中国科学院力学研究所 | Curved sight-seeing Archimedean bridge |
| JP2007138636A (en) * | 2005-11-21 | 2007-06-07 | Kagero Kobosha:Kk | Subaqueous tunnel |
| CN109334683A (en) * | 2018-12-03 | 2019-02-15 | 西京学院 | A kind of seabed vacuum pipe traffic system and its push mode laying method |
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