CN112030945A - Horizontal socket joint formula connects suitable for prefabricated assembled underground continuous wall - Google Patents
Horizontal socket joint formula connects suitable for prefabricated assembled underground continuous wall Download PDFInfo
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- CN112030945A CN112030945A CN202010808957.4A CN202010808957A CN112030945A CN 112030945 A CN112030945 A CN 112030945A CN 202010808957 A CN202010808957 A CN 202010808957A CN 112030945 A CN112030945 A CN 112030945A
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- wall
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
- E02D5/12—Locking forms; Edge joints; Pile crossings; Branch pieces
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/14—Sealing joints between adjacent sheet piles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a transverse socket joint suitable for a prefabricated underground diaphragm wall, which comprises a first fixing device, a second fixing device and a connecting steel plate, wherein the first fixing device is arranged on the side surface of the wider side of a splicing surface and used for transversely fixing an upper section and a lower section; the second fixing device is arranged on the splicing surfaces and used for longitudinally fixing the upper section and the lower section, and comprises a connecting piece arranged on the splicing surfaces of the upper section and a hole arranged on the splicing surfaces of the lower section and used for placing the connecting piece. The invention has simple structure, can effectively control the construction quality and the component strength, has simple construction process and high construction efficiency, effectively ensures accurate horizontal position of the upper and lower sections of the wall after butt joint, and realizes the waterproof function at the joint of the wall.
Description
Technical Field
The invention relates to the field of underground continuous walls, in particular to a transverse socket joint suitable for prefabricated underground continuous walls.
Background
In the process of constructing large underground structures such as underground rail transit, underground living squares and the like, the underground continuous wall not only can be used as a wall body of impermeable soil retaining, but also can be used as a part of a main body of the structure, and plays an irreplaceable role. The concrete is adopted for the conventional construction of the underground diaphragm wall at present, so that the problems of low operation efficiency, large raw material consumption, serious environmental pollution and the like occur on site, and the development requirement of the current society on green environmental protection is not met. With the recent successive departure of policy guidance and preferential policy of prefabricated assembled structures in China, prefabricated assembled construction of underground continuous walls is adopted in more and more places, the structural height of the prefabricated underground continuous walls for deep and large foundation pits is limited by the field construction capacity, the prefabricated underground continuous walls are often required to be hoisted and installed in sections, and the conventional prefabricated continuous walls are complex in construction process and low in efficiency.
Disclosure of Invention
The invention aims to provide a transverse socket joint suitable for a prefabricated underground diaphragm wall, so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a transverse spigot and socket joint suitable for use in prefabricating an assembled underground diaphragm wall which includes an upper section, a lower section and a splice face interconnecting the upper and lower sections when fixed, comprising:
the first fixing device is used for transversely fixing the upper section and the lower section and is arranged on the side surface connected with the longer side edge of the splicing surface, and the first fixing device comprises a counter-pulling embedded part and a connecting steel plate arranged on the surface of the counter-pulling embedded part at the opposite position of the upper section and the lower section;
and the second fixing device is used for longitudinally fixing the upper section and the lower section and is arranged on the splicing surface, and the second fixing device comprises a connecting piece arranged on the splicing surface of the upper section and a hole arranged on the splicing surface of the lower section and used for placing the connecting piece.
As a further scheme of the invention: the connecting pieces are arranged at the two side edges of the splicing surface and at the positions where the opposite-pulling embedded parts are not arranged in the middle, the depth of the connecting pieces embedded into the wall body is 1.5-2 times of the wall thickness, and the length of the connecting pieces extending out of the wall body is equal to the length of the embedded sections.
As a further scheme of the invention: the diameter ratio of the hole is 4-10 mm larger than that of the connecting piece, and the embedded steel bar anchoring glue is injected into the hole.
As a further scheme of the invention: the split embedded parts are uniformly arranged in the wall body on the side face of the wider side of the splicing face and comprise two embedded steel plates which are oppositely arranged on the surface of the wall body and round steel which is arranged in the wall body and used for connecting the two embedded steel plates which are oppositely arranged on the surface of the wall body.
As a further scheme of the invention: and the splicing surfaces are provided with splicing glue.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the upper and lower sections of the underground continuous wall are longitudinally fixed by adding the connecting pieces and the holes on the splicing surfaces, and the upper and lower sections of the underground continuous wall are transversely fixed by adding the counter-pulling embedded parts, so that the underground continuous wall can be hoisted in sections in site construction, and the requirement of large underground space on the height of the underground continuous wall is met; the split embedded parts and the high-strength deformed steel bar connecting pieces are prefabricated and embedded into the wall body in a factory, so that the construction quality and the component strength can be effectively controlled, the construction process is simple, and the construction efficiency is high; by means of bar planting glue and upper and lower connecting steel plates, the horizontal position of the butted upper and lower sections of the wall body can be effectively ensured to be accurate, and the requirement of bearing capacity at the joint of the wall body in the hoisting and using processes can be met; the upper and lower segment splicing surfaces are filled and connected through the splicing glue, so that the waterproof function of the wall joint can be realized.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention during connection;
FIG. 3 is a schematic structural view of a counter-pulling embedment;
FIG. 4 is a front view of the present invention;
fig. 5 is a side view of the present invention.
In the figure: 1-upper section, 2-lower section, 3-splicing surface, 4-opposite-pulling embedded part, 41-embedded steel plate, 42-round steel, 5-connecting piece, 6-hole and 7-connecting steel plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, in the embodiment of the present invention, a transverse socket joint suitable for a prefabricated underground diaphragm wall includes an upper section 1, a lower section 2, and a splicing surface 3, which is connected to the upper section 1 and the lower section 2 when the upper section 1 and the lower section 2 are fixed, and includes a first fixing device for transversely fixing the upper section 1 and the lower section 2, which is disposed on a side surface connected to a longer side of the splicing surface 3, the first fixing device includes a counter-pull embedded part 4 and a connecting steel plate 7 disposed on a surface of the counter-pull embedded part 4 at a relative position of the upper section 1 and the lower section 2; and the second fixing device is used for longitudinally fixing the upper section 1 and the lower section 2 and is arranged on the splicing surface 3, and comprises a connecting piece 5 arranged on the splicing surface 3 of the upper section 1 and a hole 6 arranged on the splicing surface 3 of the lower section 2 and used for placing the connecting piece 5.
Specifically, the connecting piece 5 adopts high strength twisted steel, the connecting piece 5 sets up splice face 3 both sides limit and middle not setting up the position of split built-in fitting 4, the connecting piece 5 buries the wall body degree of depth and is 1.5 ~ 2 times wall thickness, and it stretches out the wall body segment length and buries the section isometric, and it sets up on 1 splice face 3 of upper segment, 5 intervals 150mm of connecting piece, concrete protective layer thickness 70 mm.
Specifically, hole 6 sets up on 2 concatenation faces 3 of lower segmental, hole 6 is circular, the length that connecting piece 5 stretches out the wall body in the 6 degree of depth of hole than last segmental is 1 ~ 2cm big, and hole 6 diameter ratio connecting piece 5's diameter is 4 ~ 10mm big, and it glues to reserve the interior bar planting anchor of injecting in hole 6, during the installation, will connecting piece 5 inserts hole 6, makes underground continuous wall longitudinal connection fixed, glues, connecting piece 5 and hole 6 through the bar planting anchor, can effectively ensure about the wall body that segment docks the back horizontal position accuracy.
Specifically, to drawing built-in fitting 4 evenly to set up in the wall body of 3 broad one side sides of concatenation face, should to drawing built-in fitting 4 including setting up two pre-buried steel sheets 41 on the wall body surface relatively to and set up and be used for connecting two that set up relatively on the wall body surface in the wall body a plurality of round steel 42 of pre-buried steel sheet 41, pre-buried steel sheet 41 is the rectangle, the round steel 42 is through welded connection two pre-buried steel sheet 41.
Specifically, the connecting steel plate 41 is connected with the embedded steel plates 41 at the opposite positions embedded in the wall bodies of the upper section 1 and the lower section 2 through unilateral fillet weld welding, and the connecting steel plate 41 is rectangular, so that the underground continuous wall is fixedly connected in the transverse direction.
Specifically, be provided with the piece glue on the concatenation face 3, upper segment 1, lower segment 2 concatenation face are through the filling of piece glue and connect, can realize the waterproof function of wall body joint department.
The invention has novel structure and stable operation, when in use, the lower segment 2 underground continuous wall is hoisted into a groove and temporarily fixed, the hole 6 of the lower segment wall, the embedded connecting piece 5 of the upper segment wall and the splicing surfaces 3 of the upper and lower segments of walls are cleaned, bar-planting glue is injected into the hole 6, the splicing glue is smeared on the splicing surfaces 3 of the upper and lower segments of walls, the upper segment 1 wall is hoisted for positioning splicing, after the embedded connecting piece 5 is inserted into the hole 6 and the splicing surfaces are accurately positioned, the connecting steel plate 7 and the embedded steel plate 41 of the embedded part at the relative position on the upper and lower segments of walls are welded by adopting single-side angle welding, and the butt joint operation of the transverse joint is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a horizontal spigot and socket joint suitable for prefabricated assembled underground continuous wall, continuous wall include last section (1), lower section (2) and splice face (3) of interconnect when last section (1), lower section (2) are fixed, its characterized in that includes:
the first fixing device is used for transversely fixing the upper section (1) and the lower section (2) and is arranged on the side surface connected with the longer side edge of the splicing surface (3), and comprises a counter-pull embedded part (4) and a connecting steel plate (7) arranged on the surface of the counter-pull embedded part (4) at the opposite position of the upper section (1) and the lower section (2);
and the second fixing device is used for longitudinally fixing the upper section (1) and the lower section (2) and is arranged on the splicing surface (3), and comprises a connecting piece (5) arranged on the splicing surface (3) of the upper section (1) and a hole (6) arranged on the splicing surface (3) of the lower section (2) and used for placing the connecting piece (5).
2. The transverse socket joint suitable for the prefabricated underground diaphragm wall is characterized in that the connecting pieces (5) are arranged at two side edges and the middle of the splicing surface (3) at positions where the counter-pulling embedded pieces (4) are not arranged, the depth of the connecting pieces (5) embedded into the wall body is 1.5-2 times of the wall thickness, the length of the extending wall body is as long as the length of the embedded section, the distance between the connecting pieces (5) is 150mm, and the thickness of the concrete protective layer is 70 mm.
3. The transverse socket joint suitable for the prefabricated underground diaphragm wall is characterized in that the diameter of the hole (6) is 4-10 mm larger than that of the connecting piece (5), and bar-planting anchor glue is injected into the hole (6).
4. The transverse socket joint suitable for the prefabricated underground continuous wall is characterized in that the counter-pulling embedded parts (4) are uniformly arranged in the wall body on the side surface of the wider side of the splicing surface (3), the counter-pulling embedded parts (4) comprise two embedded steel plates (41) oppositely arranged on the surface of the wall body, and round steel (42) arranged in the wall body and used for connecting the two embedded steel plates (41) oppositely arranged on the surface of the wall body.
5. The transverse socket joint suitable for the prefabricated underground diaphragm wall is characterized in that the splicing surface (3) is provided with splicing glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808957.4A CN112030945A (en) | 2020-08-12 | 2020-08-12 | Horizontal socket joint formula connects suitable for prefabricated assembled underground continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808957.4A CN112030945A (en) | 2020-08-12 | 2020-08-12 | Horizontal socket joint formula connects suitable for prefabricated assembled underground continuous wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112030945A true CN112030945A (en) | 2020-12-04 |
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ID=73578654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010808957.4A Pending CN112030945A (en) | 2020-08-12 | 2020-08-12 | Horizontal socket joint formula connects suitable for prefabricated assembled underground continuous wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112030945A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718753A (en) * | 2021-06-15 | 2021-11-30 | 中交二航局第三工程有限公司 | Anchorage underground diaphragm wall foundation assembled type mid-partition wall and construction method |
| CN115450200A (en) * | 2022-10-21 | 2022-12-09 | 中交二航局第四工程有限公司 | Sectional installation tool and construction method for socket type joint of ultra-deep diaphragm wall box |
-
2020
- 2020-08-12 CN CN202010808957.4A patent/CN112030945A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718753A (en) * | 2021-06-15 | 2021-11-30 | 中交二航局第三工程有限公司 | Anchorage underground diaphragm wall foundation assembled type mid-partition wall and construction method |
| CN115450200A (en) * | 2022-10-21 | 2022-12-09 | 中交二航局第四工程有限公司 | Sectional installation tool and construction method for socket type joint of ultra-deep diaphragm wall box |
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