CN214005738U

CN214005738U - Reinforcing rib structure and immersed tube tunnel

Info

Publication number: CN214005738U
Application number: CN202022176495.7U
Authority: CN
Inventors: 潘均发; 陈伟乐; 徐进初; 刘亚; 魏铁城; 蒋巍; 赖少波
Original assignee: CSSC Huangpu Wenchong Shipbuilding Co Ltd
Current assignee: CSSC Huangpu Wenchong Shipbuilding Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-20
Anticipated expiration: 2030-09-28

Abstract

The utility model relates to the technical field of machine manufacturing, and discloses a reinforcing rib structure and an immersed tube tunnel, wherein the reinforcing rib structure comprises a plurality of transverse ribs which are sequentially and transversely arranged on a to-be-reinforced member so as to increase the transverse strength of the to-be-reinforced member; the T-shaped sections are welded on the transverse ribs and used for increasing the longitudinal strength of the to-be-reinforced piece, grooves are vertically arranged at connecting nodes of the top end faces of the transverse ribs and the T-shaped sections, the cross sections of the grooves are inverted triangles, the angle alpha of the vertex angle of each inverted triangle is 90-150 degrees, and the T-shaped sections are welded to the transverse ribs through the grooves. The utility model discloses a stiffening rib structure's beneficial effect: the welding and quality control of the connecting joint between the transverse rib and the T-shaped section bar can be facilitated, and the welding quality between the transverse rib and the T-shaped section bar is better.

Description

Reinforcing rib structure and immersed tube tunnel

Technical Field

The utility model relates to a machine-building technical field especially relates to a stiffening rib structure and immersed tube tunnel.

Background

As shown in fig. 1, a plurality of cross ribs 12 for increasing transverse strength are provided at the bottom end of the top plate 14, the bottom end of the bottom plate, and the inner and outer panels of the side wall in the pouring compartment 11 of the immersed tube tunnel, and T-shaped bars 13 are welded to the cross ribs 12 to further increase the strength of the top plate 14, the bottom plate, and the inner and outer panels of the side wall.

However, since the height of the T-shaped section 13 is only 150mm, when the T-shaped section 13 is welded to the transverse rib 12 by reverse fillet welding, the top end surface of the transverse rib 12 contacts with the lower end surface of the T-shaped section 13, and an accommodating space for accommodating welding overflowing during welding cannot be provided, that is, the weld cannot be further ground, so that the weld between the transverse rib 12 and the T-shaped section 13 has a wrap angle and is difficult to grind, the welding quality cannot be ensured, and welding and quality control of a connection node between the transverse rib 12 and the T-shaped section 13 are not facilitated; and because the number of the transverse ribs 12 in the immersed tube tunnel is more than twenty-fifty thousand, the construction quality of the whole immersed tube tunnel can be seriously influenced under the condition that the welding quality of the connecting nodes between the transverse ribs 12 and the T-shaped sections 13 cannot be ensured.

Therefore, a reinforcing rib structure and a immersed tunnel are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stiffening rib structure can be favorable to the welding and the quality control of the connected node between horizontal rib and the T section bar.

To achieve the purpose, the utility model adopts the following technical proposal:

a stiffener structure, the stiffener structure comprising:

the transverse ribs are sequentially and transversely arranged on the to-be-reinforced member so as to increase the transverse strength of the to-be-reinforced member;

the T-shaped sections are welded on the transverse ribs and used for increasing the longitudinal strength of the to-be-reinforced piece, grooves are vertically arranged at connecting nodes of the top end faces of the transverse ribs and the T-shaped sections, the cross sections of the grooves are inverted triangles, the angle alpha of the vertex angle of each inverted triangle is 90-150 degrees, and the T-shaped sections are welded to the transverse ribs through the grooves.

Preferably, the angle α of the apex angle of the inverted triangle is 120 °.

Preferably, the angle α of the apex angle of the inverted triangle is 130 °.

Preferably, the grooves on the cross rib are formed by cutting.

Preferably, the distance h from the top corner of the inverted triangle to the end of the T-shaped section welded into the cross rib is 75 mm.

Preferably, the T-shaped section is welded to the cross rib by a reverse fillet welding method.

Preferably, the T-section is machined from a steel section.

Preferably, the height of the T-profile is 150 mm.

Another object of the utility model is to provide a immersed tube tunnel, the stiffening rib structure that it includes can be favorable to the welding and the quality control of the connected node between horizontal rib and the T section bar.

a immersed tunnel comprising a reinforcing rib structure as described above.

Preferably, the immersed tube tunnel further comprises a compartment, and the reinforcing rib structures are arranged at the bottom end of the top plate, the bottom end of the bottom plate and the inner and outer panels of the compartment.

The utility model has the advantages that:

the transverse ribs are sequentially and transversely arranged on the to-be-reinforced part to increase the transverse strength of the to-be-reinforced part, and the T-shaped section is welded on the transverse ribs to increase the longitudinal strength of the to-be-reinforced part; a groove is vertically arranged on the top end face of the transverse rib and at a connecting node of the T-shaped section, the cross section of the groove is in an inverted triangle shape, the T-shaped section is welded to the transverse rib through the groove, the top end face of the transverse rib and the lower end face of the T-shaped section are not in contact with each other, and an accommodating space for accommodating welding overflowing welding materials can be provided, so that further grinding treatment can be performed on a welding seam, the welding quality can be ensured, the welding and quality control of the connecting node between the transverse rib and the T-shaped section are facilitated, and the construction quality of the whole immersed tube tunnel is ensured; the welding is easy, the working efficiency is greatly improved, and the production cost is reduced; meanwhile, the angle alpha of the vertex angle of the inverted triangle is set to be 90-150 degrees, and under the condition of simple and convenient processing, the accommodating space for accommodating welding overflowing welding objects can be provided to the greatest extent, so that the welding effect is better, and the strength of the transverse rib is not influenced.

Drawings

FIG. 1 is a schematic structural view of a prior art immersed tube tunnel;

fig. 2 is a schematic structural view of the immersed tube tunnel provided by the present invention;

fig. 3 is a schematic structural diagram of the stiffener structure according to the present invention.

In the figure:

11-compartment; 12-transverse ribs; 13-T section bar; 14-a top plate;

1-transverse ribs; 2-T section bar; 3-compartment; 4-a member to be reinforced; 5-groove.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the structures or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a reinforcing rib structure and a immersed tube tunnel comprising the reinforcing rib structure. As shown in fig. 2, the immersed tunnel further includes a pouring bay 3, and reinforcing rib structures are disposed at the bottom ends of the top plate, the bottom plate, and the inner and outer panels of the side wall in the pouring bay 3 to increase the strength of each plate. In other embodiments, the stiffener structure may be provided on a steel plate structure on a ship or bridge building where increased strength is required.

Specifically, as shown in fig. 2 and 3, the reinforcing rib structure includes a plurality of cross ribs 1 and a plurality of T-shaped bars 2. The plurality of transverse ribs 1 are sequentially and transversely arranged on the to-be-reinforced member 4 so as to increase the transverse strength of the to-be-reinforced member 4, and one T-shaped section 2 is welded on one transverse rib 1 so as to increase the longitudinal strength of the to-be-reinforced member 4; and a groove 5 is vertically arranged at the joint of the top end surface of the transverse rib 1 and the T-shaped section 2, the cross section of the groove 5 is in the shape of an inverted triangle, the angle alpha of the vertex angle of the inverted triangle is 90-150 degrees, and the T-shaped section 2 is welded into the transverse rib 1 through the groove 5. In this embodiment, the to-be-reinforced members 4 are a top plate, a bottom plate, and inner and outer panels of a side wall in the pouring bay 3 of the immersed tunnel.

The transverse ribs 1 are sequentially and transversely arranged on the to-be-reinforced member 4 to increase the transverse strength of the to-be-reinforced member 4, and the T-shaped section 2 is welded on the transverse ribs 1 to increase the longitudinal strength of the to-be-reinforced member 4; a groove 5 is vertically arranged on the top end face of the transverse rib 1 and at a connection node of the T-shaped section 2, the cross section of the groove 5 is in an inverted triangle shape, the T-shaped section 2 is welded to the transverse rib 1 through the groove 5, the top end face of the transverse rib 1 is not in contact with the lower end face of the T-shaped section 2, an accommodating space for accommodating welding overflowing welding materials can be provided, further polishing treatment can be performed on a welding seam, welding quality can be guaranteed, welding and quality control of the connection node between the transverse rib 1 and the T-shaped section 2 are facilitated, and construction quality of the whole immersed tube tunnel is guaranteed; the welding is easy, the working efficiency is greatly improved, and the production cost is reduced; the T-shaped section 2 is welded in the transverse rib 1 through the groove 5, the welding is simple, and the welding seam is easy to polish; in the practical application of the immersed tube tunnel, 63.126 ten thousand yuan of production cost can be saved compared with the welding mode in the prior art; meanwhile, the angle alpha of the vertex angle of the inverted triangle is set to be 90-150 degrees, so that the accommodating space for accommodating welding overflowing welding objects can be provided to the maximum extent under the condition of simple and convenient processing, the welding effect is better, and the strength of the transverse rib 1 is not influenced.

In the present embodiment, the angle α of the vertex angle of the inverted triangle is set to 120 °. The angle alpha of the vertex angle of the inverted triangle is set to be 120 degrees, and the accommodating space for accommodating welding overflowing welding objects can be provided to the maximum extent, so that the welding effect is better, and the strength of the transverse rib 1 is not influenced. In other embodiments, the angle α of the apex angle of the inverted triangle may also be set to 130 °. In other embodiments, the angle α of the apex angle of the inverted triangle may be set to other values from 90 ° to 150 °. The specific setting value of the angle α of the vertex angle of the inverted triangle needs to be specifically determined according to actual welding requirements and machining conditions.

Meanwhile, since the height of the T-shaped section bar 2 is 150mm, as shown in fig. 3, the distance h between the vertex angle of the inverted triangle and the end of the T-shaped section bar 2 welded to the inside of the cross rib 1 is set to 75mm, so that the problem that the strength of the cross rib 1 is affected by the groove 5 can be avoided under the condition that the welding effect is good. Wherein, the groove 5 on the transverse rib 1 is formed by cutting, the cutting process is simple and convenient, and no other cutting tool is needed, and the extra production cost is not increased.

In this embodiment, the T-shaped member 2 is welded to the cross rib 1 by reverse fillet welding. In other embodiments, the T-shaped section 2 can be welded in the transverse rib 1 through the groove 5 by other welding methods. In this embodiment, the T-shaped profile 2 is manufactured by machining a steel profile.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A stiffener structure, comprising:

the transverse ribs (1) are sequentially and transversely arranged on the to-be-reinforced part (4) so as to increase the transverse strength of the to-be-reinforced part (4);

the T-shaped sections (2) are welded on the transverse ribs (1) and used for increasing the longitudinal strength of the to-be-reinforced parts (4), grooves (5) are vertically arranged at the connecting nodes of the T-shaped sections (2) on the top end faces of the transverse ribs (1), the cross section of each groove (5) is in the shape of an inverted triangle, the angle alpha of the vertex angle of the inverted triangle is 90-150 degrees, and the T-shaped sections (2) are welded to the transverse ribs (1) through the grooves (5).

2. The stiffener structure according to claim 1, wherein the angle α of the apex angle of said inverted triangle is 120 °.

3. The stiffener structure according to claim 1, wherein the angle α of the apex angle of said inverted triangle is 130 °.

4. Rib structure according to claim 1, characterised in that said grooves (5) on said cross-ribs (1) are formed by means of cutting.

5. The stiffener structure according to claim 1, characterised in that the distance h between the apex angle of the inverted triangle to the end of the T-profile (2) welded into the cross-rib (1) is 75 mm.

6. The reinforcing rib structure according to claim 1, characterized in that said T-section (2) is welded to said cross rib (1) by welding in a reverse fillet welding.

7. Stiffening rib structure according to claim 1, characterised in that said T-section (2) is made by steel section machining.

8. Rib structure according to any of claims 1 to 7, characterised in that the height of the T-bar (2) is 150 mm.

9. A sinking tunnel, comprising a stiffener structure according to any one of claims 1-8.

10. A sinking tunnel according to claim 9, further comprising a compartment (3), the reinforcing rib structures being provided on the bottom ends of the top and bottom plates and on the inner and outer panels of the compartment (3).