CN218894066U

CN218894066U - I-steel rigid joint structure of underground diaphragm wall

Info

Publication number: CN218894066U
Application number: CN202222535462.6U
Authority: CN
Inventors: 康靖宇; 金国龙; 李昀; 张崟; 魏军扬; 毛艳丽; 朱镇洲
Original assignee: China Shipbuilding NDRI Engineering Co Ltd
Current assignee: China Shipbuilding NDRI Engineering Co Ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-04-21
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to the technical field of underground continuous wall engineering, in particular to an underground continuous wall I-steel rigid joint structure, wherein a first connecting piece is arranged on the inner side of a flange plate, which is close to a preceding groove section, of an I-steel joint; a triangle is formed between the reinforcing rib and the I-steel joint, and two ends of the connecting block are welded with the main rib of the reinforcement cage of the preceding groove section through the connecting rib, so that the integrity and rigidity of the joint position of the preceding groove section can be effectively improved.

Description

I-steel rigid joint structure of underground diaphragm wall

Technical Field

The utility model relates to the technical field of underground continuous wall engineering, in particular to an I-steel rigid joint structure of an underground continuous wall.

Background

The construction joint of the underground diaphragm wall is a connecting joint between walls of different groove sections of the underground diaphragm wall, can be generally divided into a flexible joint and a rigid joint according to the stress characteristics of the construction joint, and can bear bending moment, shearing force and pulling force, otherwise, the construction joint which can not bear bending moment, shearing force and pulling force is called a flexible joint, and the I-steel joint is a better flexible joint, and the subsequent groove sections are easy to brush walls but poor in connecting effect, can only be used for the flexible joint, cannot achieve the effect of rigid connection for two-wall unification or single wall and deep foundation pit engineering with large stratum complex stress, and is influenced by technology, pressure and the like at the joint of the I-steel joint and the preceding groove section, so that the situation of water seepage is easy to occur, and the defect of poor water stopping performance is overcome.

Disclosure of Invention

The utility model aims to provide an I-steel rigid joint structure of an underground diaphragm wall, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an underground diaphragm wall I-steel rigid joint structure, includes follow-up tank section and preceding tank section, install the I-steel joint between follow-up tank section and the preceding tank section, I-steel joint is inside to be provided with spacing locating plate in follow-up tank section one side symmetry, spacing locating plate and follow-up tank section steel reinforcement cage principal rib phase-match in the follow-up tank section, I-steel joint is close to preceding tank section's flange inboard and is provided with first connecting piece, I-steel joint inner wall both sides are connected with the strengthening rib in preceding tank section department, two be connected with the connecting block between the strengthening rib, be provided with preceding tank section steel reinforcement cage principal rib in the preceding tank section, preceding tank section steel reinforcement cage principal rib one end is provided with the second connecting piece, and preceding tank section steel reinforcement cage principal rib surface is connected with the I-steel joint, be buckled between second connecting piece and the first connecting piece.

Preferably, the width of the main reinforcement end of the reinforcement cage of the subsequent groove section is smaller than the distance between the two limiting and positioning plates, and the main reinforcement end of the reinforcement cage of the subsequent groove section is clamped with the limiting and positioning plates.

Preferably, the limiting and positioning plate is connected with the flange plate of the I-steel joint through a supporting block, and the supporting block and the limiting and positioning plate are connected with the I-steel joint in a welding way.

Preferably, the first connecting piece and the second connecting piece are of a C-shaped structure, and a plurality of sealing rubber strips are arranged on the surfaces of the inner cavity side walls of the first connecting piece and the second connecting piece.

Preferably, the triangular shape of the wall is arranged between the reinforcing rib and the I-steel joint, and two ends of the connecting block are welded with the main rib of the reinforcement cage of the preceding groove section through connecting ribs.

Preferably, a grout stop iron sheet is welded on one side of the flange plates at two ends of the I-steel joint, which is close to the advance groove section.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the inner side of the flange plate, which is close to the leading groove section, of the I-steel joint is provided with the first connecting piece, one end of the leading groove section steel reinforcement cage main reinforcement is provided with the second connecting piece, the surface of the leading groove section steel reinforcement cage main reinforcement is connected with the I-steel joint, the second connecting piece is in buckling connection with the first connecting piece, and the surfaces of the inner cavity side walls of the first connecting piece and the second connecting piece are provided with a plurality of sealing rubber strips, so that the water flow leakage path is prolonged, the leakage resistance is increased, and a stronger water stopping effect is realized; the main reinforcement end of the reinforcement cage of the subsequent groove section is clamped with the limiting and positioning plate, so that the positioning precision of the subsequent groove section is ensured, and the rigid connection of two wall panels is ensured; a triangle is formed between the reinforcing rib and the I-steel joint, and two ends of the connecting block are welded with the main rib of the reinforcement cage of the preceding groove section through the connecting rib, so that the integrity and rigidity of the joint position of the preceding groove section can be effectively improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic diagram of a connection structure of a first connection member and a second connection member according to the present utility model.

In the figure: 1. a subsequent trough section; 2. a leading trough section; 3. an I-steel joint; 4. a limit positioning plate; 5. a support block; 6. stopping a sizing agent iron sheet; 7. a first connector; 8. a second connector; 9. reinforcing ribs; 10. a connecting rib; 11. a connecting block; 12. a sealing rubber strip; 13. the main reinforcement of the reinforcement cage of the subsequent groove section; 14. leading groove section steel reinforcement cage main reinforcement.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides an underground diaphragm wall I-steel rigid joint structure, including follow-up tank section 1 and preceding tank section 2, install I-steel joint 3 between follow-up tank section 1 and the preceding tank section 2, I-steel joint 3 is inside to be provided with spacing locating plate 4 in follow-up tank section 1 one side symmetry, spacing locating plate 4 matches with follow-up tank section steel reinforcement cage principal muscle 13 in follow-up tank section 1, I-steel joint 3 is close to preceding tank section 2's flange inboard and is provided with first connecting piece 7, I-steel joint 3 inner wall both sides are connected with strengthening rib 9 in preceding tank section 2 department, be connected with connecting block 11 between two strengthening ribs 9, be provided with preceding tank section steel reinforcement cage principal muscle 14 in preceding tank section 2, preceding tank section steel reinforcement cage principal muscle 14 one end is provided with second connecting piece 8, and preceding tank section steel reinforcement cage principal muscle 14 surface is connected with I-steel joint 3, the second connecting piece 8 is buckled with first connecting piece 7 between.

Further, the width of the end head of the main reinforcement 13 of the reinforcement cage of the subsequent groove section is smaller than the distance between the two limiting and positioning plates 4, and the end head of the main reinforcement 13 of the reinforcement cage of the subsequent groove section is clamped with the limiting and positioning plates 4.

Further, the limiting and positioning plate 4 is connected with the flange plate of the I-steel joint 3 through the supporting block 5, and the supporting block 5 and the limiting and positioning plate 4 are connected with the I-steel joint 3 in a welding mode.

Further, the first connecting piece 7 and the second connecting piece 8 are of a C-shaped structure, and a plurality of sealing rubber strips 12 are arranged on the surfaces of the inner cavity side walls of the first connecting piece 7 and the second connecting piece 8.

Furthermore, a wall triangle is arranged between the reinforcing rib 9 and the I-steel joint 3, and two ends of the connecting block 11 are welded with the main rib 14 of the reinforcement cage of the preceding groove section through connecting ribs 10.

Further, a grout stop iron sheet 6 is welded on one side of the flange plates at two ends of the I-steel joint 3, which is close to the advance groove section 2.

According to the utility model, the inner side of the flange plate, which is close to the advanced groove section 2, of the I-steel joint 3 is provided with the first connecting piece 7, one end of the main reinforcement 14 of the advanced groove section reinforcement cage is provided with the second connecting piece 8, the surface of the main reinforcement 14 of the advanced groove section reinforcement cage is connected with the I-steel joint 3, the second connecting piece 8 is buckled and connected with the first connecting piece 7, and the surfaces of the inner cavity side walls of the first connecting piece 7 and the second connecting piece 8 are provided with a plurality of sealing rubber strips 12, so that the water flow leakage path is prolonged, the leakage resistance is increased, and a stronger water stopping effect is realized; the end of the main reinforcement 13 of the steel reinforcement cage of the subsequent groove section is clamped with the limiting and positioning plate 4, so that the positioning precision of the subsequent groove section 1 is ensured, and the rigid connection of two wall panels is ensured; the reinforcing ribs 9 and the I-steel joints 3 form a triangle, and two ends of the connecting block 11 are welded with the main reinforcement 14 of the reinforcement cage of the preceding groove section through the connecting ribs 10, so that the integrity and rigidity of the joint position of the preceding groove section 2 can be effectively improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an underground diaphragm wall I-steel rigid joint structure, includes follow-up slot section (1) and preceding slot section (2), its characterized in that: the novel steel reinforcement cage structure is characterized in that an I-shaped steel joint (3) is arranged between the follow-up groove section (1) and the preceding groove section (2), limiting positioning plates (4) are symmetrically arranged on one side of the follow-up groove section (1) in the I-shaped steel joint (3), the limiting positioning plates (4) are matched with follow-up groove section steel reinforcement cage main ribs (13) in the follow-up groove section (1), a first connecting piece (7) is arranged on the inner side of a flange plate, which is close to the preceding groove section (2), of the I-shaped steel joint (3), reinforcing ribs (9) are connected on two sides of the inner wall of the I-shaped steel joint (3) at the position of the preceding groove section (2), connecting blocks (11) are connected between the reinforcing ribs (9), a preceding groove section steel reinforcement cage main rib (14) is arranged in the preceding groove section (2), a second connecting piece (8) is arranged on one end of the preceding groove section steel reinforcement cage main rib (14), the surface of the preceding groove section steel reinforcement cage main rib (14) is connected with the I-shaped steel joint (3), and the second connecting piece (8) is buckled with the first connecting piece (7).

2. The underground diaphragm wall i-steel rigid joint structure according to claim 1, wherein: the width of the end head of the main reinforcement (13) of the subsequent groove section steel reinforcement cage is smaller than the distance between the two limiting and positioning plates (4), and the end head of the main reinforcement (13) of the subsequent groove section steel reinforcement cage is clamped with the limiting and positioning plates (4).

3. The underground diaphragm wall i-steel rigid joint structure according to claim 1, wherein: the limiting and positioning plate (4) is connected with the flange plate of the I-steel joint (3) through the supporting block (5), and the supporting block (5) and the limiting and positioning plate (4) are connected with the I-steel joint (3) in a welding mode.

4. The underground diaphragm wall i-steel rigid joint structure according to claim 1, wherein: the first connecting piece (7) and the second connecting piece (8) are of a C-shaped structure, and a plurality of sealing rubber strips (12) are arranged on the surfaces of the side walls of the inner cavities of the first connecting piece (7) and the second connecting piece (8).

5. The underground diaphragm wall i-steel rigid joint structure according to claim 1, wherein: the triangular wall is arranged between the reinforcing rib (9) and the I-steel joint (3), and two ends of the connecting block (11) are welded with the main rib (14) of the reinforcement cage of the preceding groove section through connecting ribs (10).

6. The underground diaphragm wall i-steel rigid joint structure according to claim 1, wherein: and a grout stop iron sheet (6) is welded on one side of the flange plates at two ends of the I-steel joint (3) close to the advance groove section (2).