CN214566016U

CN214566016U - Buttress of immersed tube transport ship and immersed tube transport ship

Info

Publication number: CN214566016U
Application number: CN202120527920.4U
Authority: CN
Inventors: 梁邦炎; 梁杰忠; 甘利; 卢建民; 李汉渤; 陈猛; 甘世行; 李林; 戴双全; 陈伟彬; 姜政遥; 王晓东
Original assignee: CCCC Fourth Harbor Engineering Co Ltd; No 2 Engineering Co of CCCC Fourth Harbor Engineering Co Ltd; Southern Marine Science and Engineering Guangdong Laboratory Zhuhai
Current assignee: CCCC Fourth Harbor Engineering Co Ltd; No 2 Engineering Co of CCCC Fourth Harbor Engineering Co Ltd; Southern Marine Science and Engineering Guangdong Laboratory Zhuhai
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-02
Anticipated expiration: 2031-03-12

Abstract

The utility model relates to a buttress and immersed tube transport ship of immersed tube transport ship, buttress contain the base of cell type structure, the notch department of base is equipped with supporting platform, the supporting platform top surface is higher than the base top surface, supporting platform's bottom through the end support connect in the tank bottom of base, supporting platform's side through at least three collateral branch support connect in the lateral wall of base, end support and collateral branch support are the rubber component, supporting platform is the steel component. The application of buttress can turn into the horizontal shear force of tradition effect in buttress form and bear pressure by buttress side direction rubber, effectively adapts to the deformation of boats and ships in transportation, dive in-process, can resist great horizontal force, and has the cushioning effect, and is not fragile, avoids directly transmitting the vibrations of hull for the immersed tube, avoids the pipe coupling atress uneven and the crack appears.

Description

Buttress of immersed tube transport ship and immersed tube transport ship

Technical Field

The utility model relates to a immersed tube tunnel transportation technical field, in particular to buttress and immersed tube transport ship of immersed tube transport ship.

Background

In the process of sinking pipe construction in water area, semi-shallow barge type transport ships are often adopted to transport sinking pipes.

After the caisson, immersed tube, etc. are transported to the transportation barge, they are placed on the buttresses. The caisson is usually made of wood or concrete buttresses in the prior art, the caisson is large in rigidity and small in bottom surface size, and a compartment structure is further arranged inside the caisson, so that when the semi-submersible barge is used for transportation, the semi-submersible barge can generate certain deflection deformation when bearing is carried, but the deformation of a ship in the range of the caisson is small, and therefore, the safety of the caisson structure can be ensured by using a simple batten support pad. The immersed tube is of a reinforced concrete structure, the weight of the immersed tube is large, the span is also large and can reach 80m, no other reinforcing structures are arranged in the immersed tube, the deformation of a ship in the immersed tube range can reach 5-7cm in the transportation process, if a conventional wood or concrete buttress is adopted, the stress point of a pipe joint can change along with the deformation of a barge, and therefore the pipe joint is unevenly stressed, and cracks are easy to appear. And in the process of sailing of the semi-submersible barge, the semi-submersible barge is easily affected by wind waves to roll or pitch, the shearing force between the immersed tube and the buttress is large, the shearing deformation of the conventional buttress is difficult to meet the requirement, and the vibration of the ship body can be directly transmitted to the immersed tube.

The rubber support pad in the prior art can overcome the condition that the concrete member is overlarge in stress, cracked or damaged in structure due to the difference of rigidity of the ship body and the concrete when a large concrete member is transported by a semi-submersible barge to a certain extent, and provides sufficient deformation to eliminate the influence of the deformation of the ship body on the large concrete member. However, due to the characteristics of the rubber material, the shearing resistance of the rubber material is weak, and if the ship encounters large wind and waves during transportation, the rubber can be damaged by bearing large horizontal shearing force when the ship generates large longitudinal or transverse acceleration.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome immersed tube among the prior art and when adopting half shallow transportation of refuting, current buttress leads to the tube coupling atress uneven easily, the crack appears, and cuts to warp and be difficult to satisfy the requirement and can suffer the above-mentioned of destruction even not enough, provides a buttress and immersed tube transport ship of immersed tube transport ship.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

the utility model provides a buttress of immersed tube transport ship, contains the base of cell type structure, the notch department of base is equipped with supporting platform, the supporting platform top surface is higher than the base top surface, supporting platform's bottom through end support connect in the tank bottom of base, supporting platform's side through at least three collateral branch support connect in the lateral wall of base, end support and collateral branch support are the rubber component, supporting platform is the steel component.

Adopt a buttress of immersed tube transport ship, at the transportation large-scale concrete member in-process, through the steel supporting platform at top, with vertical pressure and the horizontal force transmission that receives to base, end support and the side support of rubber component, the end support bears vertical pressure, is used for resisting vertical migration, all around the side support is used for resisting the horizontal force because of the lateral shifting that the hull leads to, end support and side support are right respectively the bottom of base and effort all around are mainly also pressure, make supporting platform can receive restraint and spacing in horizontal direction's omnidirectional and vertical direction, effectively turn into the horizontal shear force that traditional effect was used in the buttress form and bear pressure by buttress side direction rubber, perfect utilization the shortcoming that rubber compressive strength is high, shear strength is low, effectively adapt to boats and ships and at floating, Deformation in the transportation and the dive process can resist great horizontal load and vertical load, and has the cushioning effect, and is not fragile, avoids directly transmitting the vibrations of hull for the immersed tube, avoids the pipe joint atress uneven and the crack appears.

The structure can respectively adjust the rigidity curve of each part of the buttress at the corresponding position according to the deformation of different positions on the semi-submersible barge so as to ensure that the immersed tube is uniformly stressed and keeps the basic level.

Preferably, the side supports are perpendicular to the corresponding side walls.

Pressure is transmitted between the side support and the side wall to the greatest extent, so that shearing force or friction force of a contact surface between the side support and the side wall is reduced, and bolt connection between the contact surfaces is prevented from being damaged.

Further preferably, the base is a quadrangular groove type structure, the side supports are obliquely arranged, one end of each side support connected with the supporting platform is higher than one end connected with the base, and the side surfaces of the supporting platform are connected with the corresponding side walls of the base through the four side supports.

Further preferably, the base has a rectangular cross section.

Different sizes can be conveniently arranged according to the longitudinal direction and the transverse direction of the ship.

Further preferably, the included angle between the side wall of the base and the vertical direction is 15-20 degrees.

The side support is prevented from being too large in inclination degree, so that the side support is arranged closer to the horizontal direction, and the horizontal force is conveniently transmitted instead of the shearing force.

Preferably, the supporting platform comprises an upper platform and a lower platform, the upper platform and the lower platform are both of hollow quadrangular frustum structures, the cross sections of the upper platform and the lower platform are rectangular, a stiffening plate is arranged in the upper platform, the size of the top surface of the upper platform is larger than that of the bottom surface of the upper platform, the size of the top surface of the lower platform is larger than that of the bottom surface of the lower platform, and the slope of the side surface of the upper platform is larger than that of the side surface of the lower platform.

Adopt above-mentioned mode of setting up, the adaptation of being convenient for the shape of base, the length width direction of upper mounting plate and lower platform all corresponds the length width direction of base does benefit to the increase the area of contact of upper mounting plate and immersed tube is convenient for support, and the platform further avoids transmitting for down the power that the side supported is the shear force, conveniently connects simultaneously the side is supported, does benefit to the overall size who reduces the buttress.

Further preferably, the wall thickness of the support platform is 20-25 mm.

Preferably, the base is of a hollow structure, a plurality of rib plates are arranged in the base at intervals, and the rib plates on the bottom surface of the base are in a grid shape.

Further preferably, the wall thickness of the base is 10-12mm, and the thickness of the rib plate is 8-10 mm.

Preferably, the stiffness of the side supports is greater than the stiffness of the bottom support.

And the horizontal force can be resisted more favorably.

A sinking pipe carrier comprising a plurality of columns of buttresses according to any one of the preceding claims, supported on the bottom of each side of a sinking pipe and the bottom of the middle of a sinking pipe, respectively, the buttresses being located on either side of a corresponding trolley track.

Adopt a immersed tube transport ship, at the transportation large-scale concrete member in-process, the buttress can effectively adapt to the deformation of boats and ships in floating, transportation and dive process, can resist great horizontal force and vertical power, and full play rubber compression deformation's characteristic, can eliminate because of the inhomogeneous atress of immersed tube structure that boats and ships warp and lead to, offset inhomogeneous deformation to the influence of immersed tube structure, avoid the tube coupling to appear the crack, improve the adaptability of transportation link, increase the transportation distance.

Compared with the prior art, the beneficial effects of the utility model are that:

1. adopt a buttress of immersed tube transport ship, can turn into the horizontal shear force that tradition was used in the buttress form and bear pressure by buttress side direction rubber, perfect utilization the shortcoming that rubber compressive strength is high, shear strength is low, effectively adapt to boats and ships and floating, the deformation of transportation and dive in-process, can resist great horizontal load and vertical load, and have the cushioning effect, it is not fragile, avoid directly transmitting the vibrations of hull for the immersed tube, avoid the uneven and crack of appearing of tube coupling atress.

2. Adopt a immersed tube transport ship, at the transportation large-scale concrete member in-process, can resist great horizontal force and vertical power, and full play rubber compression deformation's characteristic can eliminate because of the inhomogeneous atress of immersed tube structure that boats and ships warp and lead to, offset inhomogeneous deformation to the influence of immersed tube structure, avoid the tube coupling to appear the crack, improve the adaptability of transportation link, increase the transport distance.

Description of the drawings:

FIG. 1 is a top view showing the structure of a pier of a immersed transport vessel according to embodiment 1;

FIG. 2 is a cross-sectional view of the structure A-A of FIG. 1;

FIG. 3 is a cross-sectional view of the structure B-B of FIG. 1;

FIG. 4 is a sectional view of a sunken transport vessel of embodiment 2;

FIG. 5 is an enlarged view of a portion of FIG. 4;

fig. 6 is a plan layout view of the piers on a immersed tube transport vessel in embodiment 2.

The labels in the figure are: the method comprises the following steps of 1-base, 11-ribbed plate, 2-supporting platform, 31-bottom support, 32-side support, 4-buttress and 5-immersed tube.

Detailed Description

The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.

Example 1

As shown in fig. 1-3, a buttress of immersed tube transport ship, contain the base 1 of cell type structure, the notch department of base 1 is equipped with supporting platform 2, supporting platform 2 top surface is higher than base 1 top surface, supporting platform 2's bottom support through the end 31 connect in the tank bottom of base 1, supporting platform 2's side support through at least three side 32 connect in the lateral wall of base 1, end support 31 and side support 32 are the rubber component, supporting platform 2 is the steel component.

Specifically, the base 1 is not limited to a trough-shaped shape, and may also be referred to as a basin-shaped structure, for example, the cross section of the base 1 is circular and is a regular polygon, and the number of the side supports 32 may be correspondingly set, preferably, the side supports 32 are uniformly distributed, but it is not limited that each side wall is provided with one side support 32. The side supports 32 can be respectively connected with the supporting platform 2 and the base 1 in a bolting mode, so that the connection is more stable, and the size of one end of the side support 32 connected with the base 1 can be larger than that of one end connected with the supporting platform 2. The number and specific size of the side supports 32 are determined according to design requirements.

Preferably, the side supports 32 and the corresponding side wall mutually perpendicular, the side supports 32 slope and sets up, the side supports 32 are connected the one end of supporting platform 2 is higher than the connection the one end of base 1, if the contained angle of side supports 32 and horizontal plane is 25-40, does benefit to stable support and spacing, reduces the transmission of shear force simultaneously.

In this embodiment, the base 1 is a rectangular-prism-groove-shaped structure, the cross section of the base 1 is rectangular, and the side surface of the supporting platform 2 is connected to the four side walls of the base 1 through the four side supports 32. Since the side supports 32 are arranged obliquely downwards, the slot size of the base 1 is greater than the slot bottom size. Correspondingly, if the side supports 32 are horizontally arranged, the side walls of the base 1 are vertically arranged; if the side support 32 is higher than the end connected with the base 1, the size of the notch of the base 1 is smaller than the size of the groove bottom. The lateral wall of base 1 is 15-20 with the contained angle of vertical direction, avoids the inclination that the side supported 32 is too big, does benefit to the messenger the side supports 32 and more approaches the horizontal direction setting, is convenient for transmit horizontal force rather than the shear force, does benefit to simultaneously and reduces the structure size.

The supporting platform 2 is not limited to be designed to correspond to the shape of the base 1, and preferably to correspond to the groove shape of the base 1. If correspond this embodiment, supporting platform 2 should be the quadrangular frustum pyramid structure of handstand, 2 cross sections of supporting platform also are the rectangle, and its length and width direction corresponds respectively the length and width direction of base 1, supporting platform 2 contains upper mounting plate and lower platform, the vertical section of upper mounting plate and lower platform is trapezoidal, nevertheless the slope of the side of upper mounting plate is less than the slope of the side of platform down does benefit to the increase the area of contact of upper mounting plate and immersed tube is convenient for support, and the platform further avoids transmitting for down the power of side support 32 is the shear force, simultaneously conveniently connects side support 32 does benefit to the overall size who reduces the buttress. The upper platform and the lower platform are both of hollow structures, a stiffening plate is arranged in the upper platform, and the wall thickness of the upper platform and the wall thickness of the lower platform are both 20-25 mm. The upper platform and the lower platform may have the same structural height.

The base 1 is of a hollow structure, a plurality of rib plates 11 are arranged in the hollow structure at intervals, the rib plates 11 located on the side walls are arranged along the horizontal direction, the rib plates 11 located on the bottom surfaces are in a grid shape, the wall thickness of the base 1 is 10-12mm, and the thickness of the rib plates 11 is 8-10 mm.

The rigidity of the side support 32 is greater than that of the bottom support 31, so that the horizontal force and shear force resisting capacity is improved, the service life of the structure is prolonged, the transportation safety of the pipe joint is guaranteed, and the adaptability of the transportation environment is improved.

Adopt a buttress of immersed tube transport ship, can turn into the horizontal shear force that tradition was used in the buttress form and bear pressure by buttress side direction rubber, perfect utilization the shortcoming that rubber compressive strength is high, shear strength is low, effectively adapt to boats and ships and floating, the deformation of transportation and dive in-process, can resist great horizontal load and vertical load, and have the cushioning effect, it is not fragile, avoid directly transmitting the vibrations of hull for the immersed tube, avoid the uneven and crack of appearing of tube coupling atress.

Example 2

A immersed tube transport ship, hull top surface are equipped with a plurality of and are listed as embodiment 1 immersed tube transport ship's buttress 4, buttress 4 supports respectively in the bottom of 5 both sides of immersed tube and the bottom at middle part, buttress 4 is located respectively and corresponds the orbital both sides of platform truck, buttress 4 sets up the height according to the deformation needs, can pass through bolted connection steel support in order to satisfy its below immersed tube 5's platform truck support height.

Specifically, as shown in fig. 4-6, a total of 8 rows of the buttresses 4 (because the buttresses 4 are smaller, the dashed lines are not shown in fig. 6, and only the shapes are used for illustration), two adjacent buttresses 4 in the same row are arranged at intervals of 2m, each row is arranged along the length of the immersed tube 5, and the length direction of the buttresses 4 is arranged along the length direction of the hull.

The above is only the embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a buttress of immersed tube transport ship, its characterized in that contains base (1) of cell type structure, the notch department of base (1) is equipped with supporting platform (2), supporting platform (2) top surface is higher than base (1) top surface, the bottom of supporting platform (2) support through the end (31) connect in the tank bottom of base (1), the side of supporting platform (2) support through at least three side (32) connect in the lateral wall of base (1), end support (31) and side support (32) are the rubber component, supporting platform (2) are the steel component.

2. Pier of a sunken transport vessel according to claim 1, wherein the side supports (32) are perpendicular to the corresponding side walls.

3. The buttress of a immersed tube transport ship according to claim 2, wherein the base (1) is of a rectangular-prism-groove structure, the cross section of the base (1) is rectangular, the side supports (32) are obliquely arranged, one end of each side support (32) connected with the support platform (2) is higher than one end of each side support connected with the base (1), and the side surface of each support platform (2) is connected with the corresponding side wall of the base (1) through four side supports (32).

4. A pier of a sunken transport vessel according to claim 3, wherein the side walls of the base (1) are angled at 15-20 ° from the vertical.

5. The buttress of a immersed tube transport ship according to claim 3, wherein the supporting platform (2) comprises an upper platform and a lower platform, the upper platform and the lower platform are both hollow quadrangular frustum pyramid structures, the cross sections of the upper platform and the lower platform are both rectangular, a stiffening plate is arranged in the upper platform, the size of the top surface of the upper platform is larger than that of the bottom surface of the upper platform, the size of the top surface of the lower platform is larger than that of the bottom surface of the lower platform, and the slope of the side surface of the upper platform is larger than that of the side surface of the lower platform.

6. Pier of a immersed transport vessel according to claim 5, characterised in that the wall thickness of the support platform (2) is 20-25 mm.

7. The buttress of a immersed tube carrier according to claim 1, wherein said base (1) is a hollow structure, a plurality of ribs (11) are provided at intervals in said base (1), and said ribs (11) on the bottom surface of said base (1) are in the shape of a grid.

8. Pier of a sunken transport vessel according to claim 7, wherein the wall thickness of the base (1) is 10-12mm and the rib (11) is 8-10 mm.

9. Pier of a immersed transport vessel according to any of claims 1-8, characterised in that the stiffness of the side supports (32) is greater than the stiffness of the bottom support (31).

10. Immersed tube transport vessel, characterized in that the hull top surface is provided with a number of rows of piers (4) according to any one of claims 1-9, said piers (4) being supported at the bottom of both sides and the bottom of the middle part of the immersed tube (5), respectively, said piers (4) being located at both sides of the corresponding trolley track, respectively.