CN218861517U

CN218861517U - Novel rigid joint of underground continuous wall

Info

Publication number: CN218861517U
Application number: CN202222528796.0U
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: 2023-04-14
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to an underground works technical field specifically is a novel rigidity of diaphragm wall connects, the utility model discloses a I-steel connects edge of a wing both sides and has been seted up I-steel edge of a wing inboard return ditch and the I-steel edge of a wing outside return ditch, wherein the A side underground diaphragm wall level stretches out the inboard return ditch of I-steel edge of a wing of anchor income section anchor to the horizontal muscle of reinforcing bar, the B side underground diaphragm wall level stretches out the anchor to go into the I-steel edge of a wing outside return ditch of anchor income section anchor to the horizontal muscle of reinforcing bar, thereby realize increasing the overlap joint length of adjacent underground diaphragm wall reinforcing bar in I-steel joint department, improve the wholeness and the rigidity of underground diaphragm wall, establish the design of "Z" style of calligraphy through I-steel joint edge of a wing structure simultaneously, thereby increase the route of seepage footpath, improved the impervious ability that underground diaphragm wall connects the position.

Description

Novel rigid joint of underground continuous wall

Technical Field

The utility model relates to an underground works technical field specifically is a novel rigid joint of diaphragm wall.

Background

The underground continuous wall is widely applied to underground engineering as a building envelope, is constructed in different frames, and usually adopts a certain joint form between the frames so as to ensure the connection integrity and the seepage-proofing property of the continuous wall.

At present, the joint form of the underground diaphragm wall mainly comprises a rigid joint and a flexible joint, wherein the rigid joint mainly comprises a cross steel plate joint and an I-shaped steel joint, and the flexible joint mainly comprises a latch pipe joint. Wherein rigid joint connection effect is better, can guarantee the rigid connection of joint department, and can obtain better stagnant water effect, but the back wall width of cloth of this joint form is connected with the joint through reinforcing bar overlap joint's mode, this kind of contact mode causes the continuous wall to be difficult to guarantee the construction precision at pouring with the atress in-process, and because the protruding steel sheet structure of cross steel sheet joint department also causes the brush wall difficulty of joint department, thereby lead to the problem such as water leakage and dislocation to take place often, can't realize mechanical type locking, I-steel joint also is a better rigid joint in addition, but the seepage condition can appear with cross steel sheet joint in worker shape joint department.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel rigid joint of underground continuous wall to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel rigid joint of an underground diaphragm wall comprises special-shaped I-shaped steel, a first construction diaphragm wall groove section and a second construction diaphragm wall groove section, wherein the special-shaped I-shaped steel is arranged between the first construction diaphragm wall groove section and the second construction diaphragm wall groove section, the inner walls of two sides of the first construction diaphragm wall groove section and the second construction diaphragm wall groove section are respectively provided with an A-side underground diaphragm wall horizontal directional steel bar and a B-side underground diaphragm wall horizontal directional steel bar, the horizontal directional steel bars of the A-side underground diaphragm wall and the horizontal directional steel bars of the B-side underground diaphragm wall are connected with underground diaphragm wall vertical steel bars on the surfaces, an underground diaphragm wall structural steel bar is connected between the underground diaphragm wall vertical steel bars on two sides, the underground diaphragm wall structural steel bar is close to the special-shaped I-shaped steel, and horizontal bar extending anchoring sections are arranged at two ends of the A-side underground diaphragm wall horizontal directional steel bar and the B-side underground diaphragm wall horizontal directional steel bar;

the special-shaped I-shaped steel comprises an I-shaped steel joint web and an I-shaped steel joint flange, the two ends of the I-shaped steel joint web are connected with the I-shaped steel joint flange, and the two sides of the I-shaped steel joint flange are provided with an I-shaped steel flange inner side return groove and an I-shaped steel flange outer side return groove.

Preferably, the stirrups of the underground continuous wall and the horizontal steel bars of the underground continuous wall at the A side are distributed at two sides of the vertical steel bars of the underground continuous wall, and the stirrups of the underground continuous wall and the horizontal steel bars of the underground continuous wall at the B side are distributed at the same side of the vertical steel bars of the underground continuous wall.

Preferably, the flange structure of the I-shaped steel joint is Z-shaped, the horizontal rib extending-in section of the A-side underground continuous wall towards the reinforcing steel bar is anchored into the inner return ditch of the flange of the I-shaped steel, and the horizontal rib extending-in section of the B-side underground continuous wall towards the reinforcing steel bar is anchored into the outer return ditch of the flange of the I-shaped steel.

Preferably, the positions of the horizontal direction reinforcing steel bars of the underground continuous wall at the side A and the horizontal direction reinforcing steel bars of the underground continuous wall at the side B in the groove section of the firstly constructed continuous wall are opposite to the positions of the horizontal direction reinforcing steel bars of the underground continuous wall at the side A and the horizontal direction reinforcing steel bars of the underground continuous wall at the side B in the groove section of the secondly constructed continuous wall, and the flange of the I-shaped steel joint is of an asymmetric structure, so that the horizontal reinforcing steel bars are ensured to extend out of the anchoring section and be anchored into the inner return ditch of the flange of the I-shaped steel and the outer return ditch of the flange of the I-shaped steel.

Preferably, the diameter of the horizontal rib extending out of the anchoring section is smaller than the width of the back ditch at the inner side of the flange of the I-shaped steel and the width of the back ditch at the outer side of the flange of the I-shaped steel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a I-steel connects edge of a wing both sides to have seted up I-steel edge of a wing inboard and return the ditch with the I-steel edge of a wing outside, wherein A side underground diaphragm wall level stretches out the anchor to the horizontal muscle of reinforcing bar and goes into the I-steel edge of a wing inboard and return the ditch, B side underground diaphragm wall level stretches out the anchor to the horizontal muscle of reinforcing bar and goes into the anchor and go into the I-steel edge of a wing outside and return the ditch, thereby realize increasing the overlap joint length of adjacent underground diaphragm wall reinforcing bar in I-steel joint department, improve the wholeness and the rigidity of underground diaphragm wall, establish the design into "Z" style of calligraphy through I-steel joint edge of a wing structure simultaneously, thereby increase the route of infiltration footpath, the impervious ability of underground diaphragm wall joint position has been improved.

Drawings

FIG. 1 is a schematic structural view of the special-shaped I-shaped steel of the present invention;

fig. 2 is the utility model discloses an adopt underground continuous wall structure schematic diagram of dysmorphism I-steel joint.

In the figure: 1. an I-steel joint flange; 2. an I-steel joint web; 3. returning the inner side of the flange of the I-shaped steel to the ditch; 4. returning the groove on the outer side of the flange of the I-shaped steel; 5. special-shaped I-shaped steel; 6. vertical reinforcing steel bars of the underground diaphragm wall; 7. a side underground continuous wall horizontal reinforcing steel bars; 8. hooping the underground continuous wall; 9. constructing ribs on the underground continuous wall; 10. b, horizontally reinforcing steel bars of the underground continuous wall at the side B; 11. firstly, constructing a continuous wall groove section; 12. constructing a continuous wall groove section; 13. the horizontal ribs extend out of the anchoring section.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a novel rigid joint of an underground continuous wall comprises special-shaped I-shaped steel 5, a first construction continuous wall groove section 11 and a second construction continuous wall groove section 12, wherein the special-shaped I-shaped steel 5 is arranged between the first construction continuous wall groove section 11 and the second construction continuous wall groove section 12, the inner walls of two sides of the first construction continuous wall groove section 11 and the second construction continuous wall groove section 12 are respectively provided with an A side underground continuous wall horizontal directional steel bar 7 and a B side underground continuous wall horizontal directional steel bar 10, the surfaces of the A side underground continuous wall horizontal directional steel bar 7 and the B side underground continuous wall horizontal directional steel bar 10 are connected with underground continuous wall vertical steel bars 6, an underground continuous wall structural steel bar 9 is connected between the two side underground continuous wall vertical steel bars 6, the underground continuous wall structural steel bar 9 is close to the special-shaped I-shaped steel 5, and horizontal directional steel bars 7 of the A side underground continuous wall and horizontal directional steel bars 10 of the B side underground continuous wall are provided with horizontal bar extending anchor sections 13;

the special-shaped I-shaped steel 5 comprises an I-shaped steel joint web 2 and an I-shaped steel joint flange 1, the I-shaped steel joint flange 1 is connected to two ends of the I-shaped steel joint web 2, and an I-shaped steel flange inner side return channel 3 and an I-shaped steel flange outer side return channel 4 are formed in two sides of the I-shaped steel joint flange 1.

Furthermore, the stirrups 8 of the underground continuous wall and the horizontal rebars 7 of the underground continuous wall at the side A are distributed at two sides of the vertical rebars 6 of the underground continuous wall, and the stirrups 8 of the underground continuous wall and the horizontal rebars 10 of the underground continuous wall at the side B are distributed at the same side of the vertical rebars 6 of the underground continuous wall.

Further, the flange 1 of the I-shaped steel joint is Z-shaped, the horizontal bar extending anchor section 13 of the underground continuous wall at the A side towards the reinforcing steel bar 7 is anchored into the inner return ditch 3 of the flange of the I-shaped steel, and the horizontal bar extending anchor section 13 of the underground continuous wall at the B side towards the reinforcing steel bar 10 is anchored into the outer return ditch 4 of the flange of the I-shaped steel.

Further, the positions of the horizontal direction reinforcing steel bars 7 of the underground continuous wall at the side A in the construction continuous wall groove section 11 and the horizontal direction reinforcing steel bars 10 of the underground continuous wall at the side B are opposite to the positions of the horizontal direction reinforcing steel bars 7 of the underground continuous wall at the side A in the post-construction continuous wall groove section 12 and the horizontal direction reinforcing steel bars 10 of the underground continuous wall at the side B, and due to the fact that the flange 1 edge of the I-shaped steel joint is of an asymmetric structure, the design ensures that the horizontal reinforcing steel bars extend out of the anchoring section 13 and are anchored into the inner return channel 3 of the flange of the I-shaped steel and the outer return channel 4 of the flange of the I-shaped steel.

Furthermore, the diameter of the horizontal rib extending out of the anchoring section 13 is smaller than the width of the return groove 3 at the inner side of the flange of the I-shaped steel and the width of the return groove 4 at the outer side of the flange of the I-shaped steel.

The utility model discloses a I-steel connects 1 both sides on the edge of a wing to have seted up I-steel edge of a wing inboard return ditch 3 and I-steel edge of a wing outside return ditch 4, wherein the A side underground continuous wall level stretches out anchor income section 13 anchor to the horizontal muscle of reinforcing bar 7 and goes into I-steel edge of a wing inboard return ditch 3, the B side underground continuous wall level stretches out anchor income section 13 anchor to the horizontal muscle of reinforcing bar 10 and goes into I-steel edge of a wing outside return ditch 4, thereby realize increasing the overlap joint length of adjacent underground continuous wall reinforcing bar in I-steel joint department, improve underground continuous wall's wholeness and rigidity, establish the design of "Z" style of calligraphy through I-steel joint edge of a wing 1 structure simultaneously, thereby increase the route of seepage footpath, the impermeability of underground continuous wall joint position has been improved.

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

Claims

1. The utility model provides a novel rigid joint of underground continuous wall, includes special-shaped I-steel (5), constructs earlier continuous wall groove section (11) and constructs after with continuous wall groove section (12), its characterized in that: the special-shaped I-shaped steel (5) is arranged between the groove section (11) of the first construction continuous wall and the groove section (12) of the second construction continuous wall, the inner walls of the two sides of the groove section (11) of the first construction continuous wall and the groove section (12) of the second construction continuous wall are respectively provided with a horizontal directional steel bar (7) of the A-side underground continuous wall and a horizontal directional steel bar (10) of the B-side underground continuous wall, the surfaces of the horizontal directional steel bar (7) of the A-side underground continuous wall and the horizontal directional steel bar (10) of the B-side underground continuous wall are connected with vertical steel bars (6) of the underground continuous wall, an underground continuous wall construction bar (9) is connected between the vertical steel bars (6) of the two sides of the underground continuous wall, the underground continuous wall construction bar (9) is close to the special-shaped I-shaped steel (5), and horizontal bar extending anchoring sections (13) of the horizontal directional steel bars (7) of the A-side underground continuous wall and the horizontal directional steel bar (10) of the B-side underground continuous wall are arranged at two ends of the horizontal directional steel bar (13) of the A-side underground continuous wall;

the special-shaped I-shaped steel (5) comprises an I-shaped steel joint web (2) and I-shaped steel joint flanges (1), wherein the I-shaped steel joint flanges (1) are connected to two ends of the I-shaped steel joint web (2), and I-shaped steel flange inner side return grooves (3) and I-shaped steel flange outer side return grooves (4) are formed in two sides of the I-shaped steel joint flanges (1).

2. A novel rigid joint for underground diaphragm walls according to claim 1, characterized in that: the stirrups (8) of the underground continuous wall and the horizontal steel bars (7) of the underground continuous wall at the A side are distributed on two sides of the vertical steel bars (6) of the underground continuous wall, and the stirrups (8) of the underground continuous wall and the horizontal steel bars (10) of the underground continuous wall at the B side are distributed on the same side of the vertical steel bars (6) of the underground continuous wall.

3. A novel rigid joint for underground diaphragm walls according to claim 1, characterized in that: the I-shaped steel joint flange (1) is Z-shaped, the horizontal direction of the A-side underground continuous wall extends out of an anchor entering section (13) to the horizontal rib of the steel bar (7) and is anchored into the inner side return groove (3) of the I-shaped steel flange, and the horizontal direction of the B-side underground continuous wall extends out of the anchor entering section (13) to the horizontal rib of the steel bar (10) and is anchored into the outer side return groove (4) of the I-shaped steel flange.

4. A novel rigid joint for underground diaphragm walls according to claim 1, characterized in that: the positions of the horizontal reinforcing steel bars (7) of the A-side underground continuous wall and the horizontal reinforcing steel bars (10) of the B-side underground continuous wall in the groove section (11) of the firstly constructed continuous wall are opposite to the positions of the horizontal reinforcing steel bars (7) of the A-side underground continuous wall and the horizontal reinforcing steel bars (10) of the B-side underground continuous wall in the groove section (12) of the later constructed continuous wall.

5. A novel rigid joint for underground diaphragm walls according to claim 1, characterized in that: the diameter of the horizontal rib extending out of the anchoring section (13) is smaller than the width of the return channel (3) at the inner side of the flange of the I-shaped steel and the width of the return channel (4) at the outer side of the flange of the I-shaped steel.