CN210459181U - New and old ground is wall T joint design node even - Google Patents
New and old ground is wall T joint design node even Download PDFInfo
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- CN210459181U CN210459181U CN201921086840.9U CN201921086840U CN210459181U CN 210459181 U CN210459181 U CN 210459181U CN 201921086840 U CN201921086840 U CN 201921086840U CN 210459181 U CN210459181 U CN 210459181U
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Abstract
The utility model provides a T-shaped joint structure node of a new and old diaphragm wall, wherein, a first lug plate and a second lug plate are arranged on the new diaphragm wall, and the first lug plate and the second lug plate are connected by a connecting rod; the existing underground diaphragm wall is provided with a third lug plate and a fourth lug plate, and the third lug plate is connected with the fourth lug plate through a connecting rod; an adjusting rod is arranged between the second lifting lug plate and the fourth lifting lug plate, the adjusting rod comprises a round steel pipe with a hollow inner thread and two screw rods matched with the round steel pipe, sleeves matched with the screw rods are arranged on the second lifting lug plate and the fourth lifting lug plate, one end of each screw rod is in threaded connection with the round steel pipe, and the other end of each screw rod is connected with the sleeve; circular steel tube passes through the stiffener with first lug plate, third lug plate respectively and can dismantle the connection, adopts when the new ground is wall excavation even the utility model discloses a device is consolidated new and old ground even the wall, guarantees the holistic intensity of structure and stability, the utility model discloses simple structure, it is effectual, be fit for using widely.
Description
Technical Field
The utility model belongs to the technical field of the excavation supporting construction, especially, relate to a new and old ground is wall T joint design node even.
Background
With the continuous development of economy in China, urban underground space develops rapidly in recent years, particularly subway construction becomes an effective measure for relieving traffic pressure in each big city, and underground supporting buildings of subways are more and more. In the construction process, the matched building and the subway construction can not be carried out simultaneously according to the practical situation or the restriction of various conditions, so that the problems that a new foundation pit and an old foundation pit are not supported simultaneously in the deep foundation pit supporting construction process exist. When similar projects are built, the construction site and other conditions influence the design, a ground-to-wall foundation pit supporting mode is adopted, a ground-to-wall supporting technology is developed in China for decades, the technology is quite mature, and on the premise of different construction, the method for processing the joint nodes of the new ground-to-wall and the existing ground-to-wall joint structure is particularly important, so that the technical problem to be solved at present is to research the joint nodes of the new ground-to-wall and the existing ground-to-wall joint structure to ensure the stability between the new ground-to-wall and the existing ground-to-wall.
Disclosure of Invention
The utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model provides a new and old ground is wall T-joint structure node even, has solved new ground and has even wall and existing ground even can not closely combine's technical problem between the wall, has strengthened new ground and has even wall and existing ground even structural stability between the wall.
In order to solve the technical problem, the utility model provides a new and old diaphragm wall T-joint structural joint, wherein, the new diaphragm wall is provided with a first lug plate and a second lug plate, and the first lug plate and the second lug plate are connected through a connecting rod;
the existing underground diaphragm wall is provided with a third lug plate and a fourth lug plate, and the third lug plate and the fourth lug plate are connected through a connecting rod;
an adjusting rod is arranged between the second lifting lug plate and the fourth lifting lug plate, the adjusting rod comprises a round steel pipe with a hollow inner thread and two screw rods matched with the round steel pipe, sleeves matched with the screw rods are arranged on the second lifting lug plate and the fourth lifting lug plate, one end of each screw rod is in threaded connection with the round steel pipe, and the other end of each screw rod is connected with the sleeve;
the circular steel tube is detachably connected with the first lug plate and the third lug plate through reinforcing rods respectively.
Preferably, the first lug plate, the second lug plate, the third lug plate and the fourth lug plate are fixedly connected with the ground connecting wall through expansion bolts.
Preferably, a nut is fixed on the screw.
Preferably, a fixing piece is arranged in the middle of the round steel tube, and the reinforcing rod is detachably connected with the fixing piece.
Preferably, the first lug plate, the second lug plate, the third lug plate and the fourth lug plate are located at the same height.
Through above-mentioned technical scheme, will fix respectively through the screw thread between circular steel tube and the screw rod and link together at the new ground even the wall with the lug plate on the existing ground even the wall to keep certain prestressing force, weld whole joint design through the welding and become an organic whole, make new ground even the wall and the existing ground even the wall forms an overall structure, wholeness, stability have all obtained the enhancement.
Drawings
Fig. 1 is a schematic structural diagram of a new and old floor wall t-joint structure node according to an embodiment of the present invention;
fig. 2 is a schematic view of a connection structure of an adjusting rod and a lug plate of a new and old ground wall tee joint structure node according to an embodiment of the present invention;
fig. 3 is a top view of a lug plate of a new and old diaphragm wall tee joint structure joint according to an embodiment of the present invention;
in the figure:
10. the existing underground diaphragm wall 11, the third lug plate 12 and the fourth lug plate
20. New ground is wall 21, first hangers board 22, second hangers board
3. Connecting rod 40, adjusting rod 41 and round steel tube
42. Screw 43, sleeve 44, nut
5. Reinforcing rod 6, expansion bolt
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the utility model provides a new and old ground connecting wall t-joint structure node, which comprises a new ground connecting wall 20 and an existing ground connecting wall 10, wherein the new ground connecting wall 20 is fixedly provided with a first lug plate 21 and a second lug plate 22, and the first lug plate 21 is connected with the second lug plate 22 through a connecting rod 3;
the existing underground diaphragm wall 10 is provided with a third lug plate 11 and a fourth lug plate 12, and the third lug plate 11 and the fourth lug plate 12 are connected through a connecting rod 3;
an adjusting rod 40 is arranged between the second lifting lug plate 22 and the fourth lifting lug plate 12, the adjusting rod 40 comprises a round steel pipe 41 with a hollow inner thread and two screw rods 42 matched with the round steel pipe 41, the two screw rods 42 are respectively in threaded connection with two ends of the round steel pipe 41, a sleeve 43 matched with the screw rods 42 is arranged on the second lifting lug plate 22 and the fourth lifting lug plate 12, and the other ends of the screw rods 42 are inserted into the sleeve 43 and are propped against the bottom inside the sleeve 43;
the circular steel tube 41 is detachably connected with the first lug plate 21 and the third lug plate 11 through the reinforcing rod 5.
Preferably, the first lug plate 21, the second lug plate 22, the third lug plate 11 and the fourth lug plate 12 are fixedly connected with the ground wall through expansion bolts 6.
Preferably, the screw rod 42 is fixed with a nut 44, and more preferably, the nut 44 is welded on the screw rod 42.
In a preferable scheme, a fixing piece is arranged in the middle of the circular steel tube 41, the reinforcing rod 5 is detachably connected with the fixing piece, and the fixing piece is a through-hole fixing piece and is connected with the reinforcing rod through a bolt; preferably, the fixing piece is connected with the reinforcing rod 5 through a pin key; preferably, the fixing member is connected with the reinforcing rod 5 through a snap connection. It should be noted that the detachable connection is not limited to the bolt connection, the pin key connection and the buckle connection, and the connection structure that other forms can realize the detachable connection is also the protection scope of the present invention, wherein the structural forms of the bolt connection, the pin key connection and the buckle connection can be understood by those skilled in the art, and the present invention is not specifically described.
Preferably, the first ear plate 21, the second ear plate 22, the third ear plate 11 and the fourth ear plate 12 are located at the same height.
The using method of the device comprises the following steps:
step one, in the process of excavating the underground diaphragm wall, holes are formed in a new underground diaphragm wall 20 and an existing underground diaphragm wall 10, lug plates are fixed on the underground diaphragm wall through expansion bolts 6, and a T-shaped joint structure node of the new and old underground diaphragm wall is assembled by connecting rods 3, reinforcing rods 5, sleeves 43, screws 42 and round steel tubes 41;
and step two, rotating the screw rod 42 by using a hexagonal wrench, so that one end of the screw rod 42 is propped against the sleeve 43 and keeps a certain prestress.
Preferably, after the second step, the joints of the lug plates, the connecting rods 3, the reinforcing rods 5, the sleeves 43, the screws 42 and the round steel tubes 41 are welded by electric welding to reinforce the overall strength of the structure.
Preferably, a plurality of sets of new and old diaphragm wall t-joint structure nodes are installed between the new diaphragm wall 20 and the existing diaphragm wall 10. Preferably, a group of T-shaped joint structure nodes of the new and old diaphragm walls are installed when the new diaphragm walls are excavated to a certain depth.
Through the technical scheme, will fix respectively through the screw thread between circular steel tube 41 and the screw rod 42 and link together at the new ground even wall 20 and the lug plate of existing ground even wall on 10 to keep certain prestressing force, further weld whole structure integratively through the welding, make new ground even wall and existing ground even wall form an overall structure, wholeness, stability have all obtained the enhancement, the utility model discloses simple structure, it is with low costs, the effect of playing is fine, is fit for using widely.
Claims (5)
1. A T-shaped joint structure node of a new and old ground connecting wall comprises the new ground connecting wall and an existing ground connecting wall, and is characterized in that a first lug plate and a second lug plate are arranged on the new ground connecting wall, and the first lug plate and the second lug plate are connected through a connecting rod;
the existing underground diaphragm wall is provided with a third lug plate and a fourth lug plate, and the third lug plate and the fourth lug plate are connected through a connecting rod;
an adjusting rod is arranged between the second lifting lug plate and the fourth lifting lug plate, the adjusting rod comprises a round steel pipe with a hollow inner thread and two screw rods matched with the round steel pipe, sleeves matched with the screw rods are arranged on the second lifting lug plate and the fourth lifting lug plate, one end of each screw rod is in threaded connection with the round steel pipe, and the other end of each screw rod is connected with the sleeve;
the circular steel tube is detachably connected with the first lug plate and the third lug plate through reinforcing rods respectively.
2. The new and old diaphragm wall tee joint design joint of claim 1, wherein the first, second, third, fourth and diaphragm wall are fixedly connected with the diaphragm wall by expansion bolts.
3. The old-new diaphragm wall tee coupling structural joint of claim 1, wherein a nut is fixed on said screw.
4. The new and old diaphragm wall tee joint design of claim 1, wherein a fixing member is provided in the middle of said round steel tube, and said reinforcing rod is detachably connected to said fixing member.
5. The old and new floor wall tee joint design of claim 1, wherein the first, second, third and fourth lug plates are at the same height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921086840.9U CN210459181U (en) | 2019-07-12 | 2019-07-12 | New and old ground is wall T joint design node even |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921086840.9U CN210459181U (en) | 2019-07-12 | 2019-07-12 | New and old ground is wall T joint design node even |
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| Publication Number | Publication Date |
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| CN210459181U true CN210459181U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921086840.9U Active CN210459181U (en) | 2019-07-12 | 2019-07-12 | New and old ground is wall T joint design node even |
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| CN (1) | CN210459181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258508A (en) * | 2019-07-12 | 2019-09-20 | 中冶天工集团有限公司 | A kind of new and old ground-connecting-wall T-joint structure node and construction method |
| CN110258508B (en) * | 2019-07-12 | 2024-07-02 | 中冶天工集团有限公司 | T-joint structural joint of new and old diaphragm wall and construction method |
-
2019
- 2019-07-12 CN CN201921086840.9U patent/CN210459181U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258508A (en) * | 2019-07-12 | 2019-09-20 | 中冶天工集团有限公司 | A kind of new and old ground-connecting-wall T-joint structure node and construction method |
| CN110258508B (en) * | 2019-07-12 | 2024-07-02 | 中冶天工集团有限公司 | T-joint structural joint of new and old diaphragm wall and construction method |
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