CN220847717U - Anti-leakage joint for underground diaphragm wall of oversized deep foundation pit - Google Patents
Anti-leakage joint for underground diaphragm wall of oversized deep foundation pit Download PDFInfo
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- CN220847717U CN220847717U CN202322685916.2U CN202322685916U CN220847717U CN 220847717 U CN220847717 U CN 220847717U CN 202322685916 U CN202322685916 U CN 202322685916U CN 220847717 U CN220847717 U CN 220847717U
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- water stop
- wall
- joint
- connecting column
- steel plate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000002787 reinforcement Effects 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model discloses an anti-seepage joint for an underground diaphragm wall of an oversized deep foundation pit, which belongs to the technical field of construction of underground diaphragm walls, wherein a first connecting column and a first water stop plate are fixedly connected to the inner wall of one side of a joint steel plate, a second connecting column and a second water stop plate are fixedly connected to the inner wall of the other side of the joint steel plate, the surfaces of the first connecting column and the first water stop plate are fixedly adhered with the first connecting wall, a first reinforcement cage is arranged in the first connecting wall, the surfaces of the second connecting column and the second water stop plate are fixedly adhered with the second connecting wall, and the anti-seepage joint for the underground diaphragm wall of the oversized deep foundation pit can be connected with the reinforcement cage of the connecting wall through the first connecting column and the second connecting column which are arranged by the joint steel plate, so that the joint steel plate is integrally poured, the connection firmness is greatly improved, the anti-seepage area of the joint steel plate and the connecting wall is greatly improved, and the anti-seepage effect of the joint is greatly improved.
Description
Technical Field
The utility model relates to the technical field of underground diaphragm wall construction, in particular to an anti-leakage joint of an underground diaphragm wall of an oversized deep foundation pit.
Background
With the continuous utilization of urban underground space, underground continuous walls are increasingly applied to deep foundation pit building enclosures.
At present, in the construction process of the underground continuous wall of the ultra-large deep foundation pit, two adjacent walls are required to be connected through an anti-seepage joint, but the anti-seepage area of the joint is limited, the anti-seepage effect is reduced, and when the joint is connected with a later-stage wall, the connecting position of the joint is required to be reinforced through an expansion bolt, so that the connection firmness is reduced.
For example, the underground diaphragm wall joint anti-leakage device disclosed in the publication No. CN209162799U comprises a water-stopping steel plate and expansion bolts, wherein the length of the water-stopping steel plate is equal to the depth of excavation of a foundation pit, the width of the water-stopping steel plate is 400-500 mm, the water-stopping steel plate is longitudinally lapped by 200-250 mm along the joint edge of I-steel and is welded and connected, a plurality of steel plate bolt holes are longitudinally spaced on the water-stopping steel plate corresponding to the side of a second-stage concrete wall section, and the wall section bolt holes are formed on the second-stage concrete wall section corresponding to the steel plate bolt holes.
According to the scheme disclosed by the above, the I-steel joint is fastened with the secondary concrete wall section through the water stop steel plate and the collision bolt, so that the connection convenience and the firmness are reduced, the sealing area of the I-steel joint and the concrete wall section is limited, and the anti-seepage effect is reduced.
Disclosure of utility model
Aiming at the problems existing in the prior art, the utility model aims to provide the anti-leakage joint for the underground diaphragm wall of the oversized deep foundation pit, which can be connected with a reinforcement cage of the connecting wall through a first connecting column and a second connecting column arranged on a joint steel plate, so that the anti-leakage joint is integrally cast, the connection firmness is greatly improved, the anti-leakage area of the joint steel plate and the connecting wall can be increased through a first water stop plate and a second water stop plate arranged on the joint steel plate, and the anti-leakage effect of the joint is greatly improved.
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides an oversized deep foundation pit underground diaphragm wall antiseep connects, includes connects the steel sheet, one side inner wall fixedly connected with first spliced pole and the first stagnant water board of joint steel sheet, the opposite side inner wall fixedly connected with second spliced pole and the second stagnant water board of joint steel sheet, the fixed surface of first spliced pole and first stagnant water board bonds there is first connecting wall, the inside of first connecting wall is equipped with first reinforcement cage, the fixed surface of second spliced pole and second stagnant water board bonds there is the second connecting wall, the inside of second connecting wall is equipped with the second reinforcement cage, and this oversized deep foundation pit underground diaphragm wall antiseep connects, through first spliced pole and the second spliced pole that connect the steel sheet to set up can be connected with the reinforcement cage of connecting wall to pour an organic wholely, great improvement the joint security, and through first stagnant water board and the second stagnant water board that connect the steel sheet setting, can increase the antiseep area of joint steel sheet and connecting wall, great improvement the antiseep effect of joint department.
Furthermore, the shape of the first water stop plate is a strip shape, a water stop groove is formed between the adjacent first water stop plates in a surrounding mode, the length of the first water stop plate is identical to the length of the joint steel plate, and the water stop groove can increase the bonding area of the joint steel plate and wall concrete.
Further, the surface of first spliced pole is binded with the one end of first steel reinforcement cage through the iron wire and is fastened, equidistant distribution of first spliced pole along the length direction who connects the steel sheet is convenient for first spliced pole and first steel reinforcement cage pour the back and connect an organic wholely at first connecting wall.
Further, the surface of the second connecting column is fastened with one end of the second reinforcement cage through iron wires in a binding mode, and the number and the interval between the second connecting column and the first connecting column are the same.
Further, the shape and the size of the second water stop plate are the same as those of the first water stop plate, and the number of the second water stop plates is at least three.
Further, the cross-sectional shapes of the second connecting column and the first connecting column are round or rectangular.
Compared with the prior art, the utility model has the advantages that:
This scheme is through first spliced pole and the second spliced pole that connects the steel sheet setting, can be connected with the steel reinforcement cage of connecting wall to pour an organic wholely, great improvement the connection fastness.
According to the scheme, the anti-seepage area of the joint steel plate and the connecting wall can be increased through the first water stop plate and the second water stop plate which are arranged on the joint steel plate, and the anti-seepage effect of the joint is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
Fig. 2 is a side view of the joint steel plate and first water stop plate mounting structure of the present utility model.
The reference numerals in the figures illustrate:
1 joint steel sheet, 11 first spliced pole, 12 first stagnant water boards, 13 water stopping groove, 14 second spliced pole, 15 second stagnant water boards, 2 first connecting wall, 21 first steel reinforcement cage, 3 second connecting wall, 31 second steel reinforcement cage.
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.
Example 1
Referring to fig. 1-2, an anti-leakage joint for an underground continuous wall of an oversized deep foundation pit comprises a joint steel plate 1, wherein the joint steel plate 1 is an i-steel joint plate, the working principle of the anti-leakage joint is well known to a person skilled in the art, the joint steel plate is convenient to connect adjacent first connecting walls 2 and second connecting walls 3, the joint can prevent leakage, a first connecting column 11 and a first water stop plate 12 are fixedly connected to one side inner wall of the joint steel plate 1, a second connecting column 14 and a second water stop plate 15 are fixedly connected to the other side inner wall of the joint steel plate 1, the second water stop plate 15 can increase the bonding area of concrete between the joint steel plate 1 and the second connecting walls 3, the anti-leakage area is improved, the second connecting column 14 is convenient for connecting the joint steel plate 1 and the second steel bar cage 31 to be connected integrally after the concrete is poured, the first connecting column 11 and the first water stop plate 12 are fixedly bonded on the surfaces of the first connecting walls 2, the first connecting walls 2 and the second connecting walls 3 are formed by adopting waterproof concrete and the second steel bar cage 3, a first pouring cage 21 is arranged in the first connecting wall 2, a second water stop plate 31 is fixedly connected to the second steel bar cage 3, and a second water stop plate 31 is fixedly arranged on the surface of the second connecting wall 31.
The surface of first spliced pole 11 passes through the iron wire with the one end of first steel reinforcement cage 21 and bindes the fastening, and equidistant distribution of length direction along joint steel sheet 1 of first spliced pole 11 is convenient for first spliced pole 11 and first steel reinforcement cage 21 and is pour the back at first joint wall 2 and connect integrative, and the surface of second spliced pole 14 passes through the iron wire with the one end of second steel reinforcement cage 31 and bindes the fastening, and the quantity interval of second spliced pole 14 and first spliced pole 11 is the same, and the cross-sectional shape of second spliced pole 14 and first spliced pole 11 is circular or rectangle.
In this embodiment, through the first spliced pole 11 and the second spliced pole 14 that connect steel sheet 1 set up, can be connected with the steel reinforcement cage of connecting wall to pour an organic wholely, great improvement the connection fastness.
Example 2
Referring to fig. 1-2, an anti-leakage joint for an underground continuous wall of an oversized deep foundation pit comprises a joint steel plate 1, wherein the joint steel plate 1 is an i-steel joint plate, the working principle of the anti-leakage joint is well known to a person skilled in the art, the joint steel plate is convenient to connect adjacent first connecting walls 2 and second connecting walls 3, the joint can prevent leakage, a first connecting column 11 and a first water stop plate 12 are fixedly connected to one side inner wall of the joint steel plate 1, a second connecting column 14 and a second water stop plate 15 are fixedly connected to the other side inner wall of the joint steel plate 1, the second water stop plate 15 can increase the bonding area of concrete between the joint steel plate 1 and the second connecting walls 3, the anti-leakage area is improved, the second connecting column 14 is convenient for connecting the joint steel plate 1 and the second steel bar cage 31 to be connected integrally after the concrete is poured, the first connecting column 11 and the first water stop plate 12 are fixedly bonded on the surfaces of the first connecting walls 2, the first connecting walls 2 and the second connecting walls 3 are formed by adopting waterproof concrete and the second steel bar cage 3, a first pouring cage 21 is arranged in the first connecting wall 2, a second water stop plate 31 is fixedly connected to the second steel bar cage 3, and a second water stop plate 31 is fixedly arranged on the surface of the second connecting wall 31.
The shape of the first water stop plates 12 is strip-shaped, water stop grooves 13 are formed between the adjacent first water stop plates 12 in a surrounding mode, the length of each first water stop plate 12 is identical to the length of each joint steel plate 1, the water stop grooves 13 can increase the bonding area between the joint steel plates 1 and wall concrete, the shape and the size of each second water stop plate 15 are identical to those of the first water stop plates 12, and the number of the second water stop plates 15 is at least three.
In this embodiment, through the first water stop plate 12 and the second water stop plate 15 that connect the steel sheet 1 to set up, can increase the antiseep area that connects steel sheet 1 and connecting wall, great improvement the antiseep effect of joint department.
When the ultra-large deep foundation pit underground diaphragm wall anti-seepage joint is used for constructing the first connecting wall 2, the first reinforcement cage 21 and the first connecting column 11 are bound and fixed firstly, then after the first connecting wall 2 is cast and molded, one side of the joint steel plate 1 is bound and fixed through concrete, when the second connecting wall 3 is constructed, the second reinforcement cage 31 and the second connecting column 14 are bound, then after the second connecting wall 3 is cast and molded, the other side of the joint steel plate 1 is bound through concrete, thereby completing the connection between the first connecting wall 2 and the second connecting wall 3, the reinforcement cage of the connecting wall can be connected through the first connecting column 11 and the second connecting column 14 which are arranged through the joint steel plate 1, thereby casting is integrated, the connection firmness is greatly improved, and the anti-seepage area of the joint steel plate 1 and the connecting wall can be increased through the first water stop plate 12 and the second water stop plate 15 which are arranged through the joint steel plate 1, and the anti-seepage effect of the joint is greatly improved.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides an oversized deep basal pit underground continuous wall antiseep connects, includes joint steel sheet (1), its characterized in that: the novel steel joint comprises a joint steel plate (1), wherein a first connecting column (11) and a first water stop plate (12) are fixedly connected to one side inner wall of the joint steel plate (1), a second connecting column (14) and a second water stop plate (15) are fixedly connected to the other side inner wall of the joint steel plate (1), a first connecting wall (2) is fixedly bonded to the surface of the first connecting column (11) and the surface of the first water stop plate (12), a first reinforcement cage (21) is arranged in the first connecting wall (2), a second connecting wall (3) is fixedly bonded to the surface of the second connecting column (14) and the surface of the second water stop plate (15), and a second reinforcement cage (31) is arranged in the second connecting wall (3).
2. The ultra-large deep foundation pit underground diaphragm wall anti-seepage joint according to claim 1, wherein: the shape of the first water stop plates (12) is strip-shaped, water stop grooves (13) are formed between adjacent first water stop plates (12) in a surrounding mode, and the length of each first water stop plate (12) is identical to the length of the joint steel plate (1).
3. The ultra-large deep foundation pit underground diaphragm wall anti-seepage joint according to claim 1, wherein: the surface of the first connecting column (11) is fastened with one end of the first reinforcement cage (21) through iron wires, and the first connecting columns (11) are distributed at equal intervals along the length direction of the joint steel plate (1).
4. The ultra-large deep foundation pit underground diaphragm wall anti-seepage joint according to claim 1, wherein: the surface of the second connecting column (14) is fastened with one end of the second reinforcement cage (31) through iron wires, and the number and the spacing of the second connecting column (14) and the first connecting column (11) are the same.
5. The ultra-large deep foundation pit underground diaphragm wall anti-seepage joint according to claim 1, wherein: the shape and the size of the second water stop plates (15) are the same as those of the first water stop plates (12), and the number of the second water stop plates (15) is at least three.
6. The ultra-large deep foundation pit underground diaphragm wall anti-seepage joint according to claim 1, wherein: the cross-sectional shapes of the second connecting column (14) and the first connecting column (11) are round or rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322685916.2U CN220847717U (en) | 2023-10-08 | 2023-10-08 | Anti-leakage joint for underground diaphragm wall of oversized deep foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322685916.2U CN220847717U (en) | 2023-10-08 | 2023-10-08 | Anti-leakage joint for underground diaphragm wall of oversized deep foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220847717U true CN220847717U (en) | 2024-04-26 |
Family
ID=90787234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322685916.2U Active CN220847717U (en) | 2023-10-08 | 2023-10-08 | Anti-leakage joint for underground diaphragm wall of oversized deep foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220847717U (en) |
-
2023
- 2023-10-08 CN CN202322685916.2U patent/CN220847717U/en active Active
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