CN213204082U - Underground continuous wall groove section anti-streaming structure - Google Patents
Underground continuous wall groove section anti-streaming structure Download PDFInfo
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- CN213204082U CN213204082U CN202021911568.6U CN202021911568U CN213204082U CN 213204082 U CN213204082 U CN 213204082U CN 202021911568 U CN202021911568 U CN 202021911568U CN 213204082 U CN213204082 U CN 213204082U
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- iron sheet
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Abstract
The utility model relates to a structure of streaming is prevented to underground continuous wall groove section belongs to underground continuous wall construction field, including earlier stage groove section steel reinforcement cage, follow-up groove section steel reinforcement cage and groove section lateral wall, be equipped with the connector between earlier stage groove section steel reinforcement cage and the follow-up groove section steel reinforcement cage, the side that the connector is close to the groove section lateral wall is equipped with only starching iron sheet and limiting plate, it is formed with the mounting groove to end between starching iron sheet and connector, the limiting plate, be equipped with the gasbag in the mounting groove. Before concrete pouring, air is introduced into the air bag, the air bag expands, and the expanded air bag pushes the grout stopping iron sheet outwards, so that the end part of the grout stopping iron sheet is attached to the side wall of the groove section. When pouring, the grout stopping iron sheet plays a role in blocking, and the phenomenon of streaming can be improved.
Description
Technical Field
The application relates to the field of underground diaphragm wall construction, in particular to an underground diaphragm wall groove section anti-streaming structure.
Background
With the continuous development of urban construction, the excavation depth of the foundation pit is larger and larger, and the underground continuous wall is used as a supporting structure of the foundation pit and is more and more widely applied.
The underground continuous wall is formed by excavating grooves with certain depth and width along preset positions in a segmented mode through special grooving equipment, then arranging a reinforcement cage in the groove sections, and finally pouring concrete to form the continuous concrete wall. The underground continuous wall is used as a temporary or permanent soil retaining structure for foundation pit excavation and has the functions of water interception and seepage prevention. The underground continuous wall is formed by connecting sections in a segmented manner, and the sections are connected through connectors.
Aiming at the related technologies, in the construction process of the underground continuous wall, the inventor finds that the concrete streaming phenomenon often occurs on the part of the connector, the downstream placement of the reinforcement cage can be influenced after the streaming concrete is condensed, a water leakage channel is easily formed between two sections of wall bodies, and hidden danger is brought to the excavation of a foundation pit.
SUMMERY OF THE UTILITY MODEL
In order to improve the phenomenon of streaming, the application provides an underground continuous wall groove section anti-streaming structure.
The application provides a structure is prevented streaming around by underground continuous wall groove section adopts following technical scheme:
the utility model provides an underground continuous wall groove section prevents structure of streaming, includes earlier stage groove section steel reinforcement cage, follow-up groove section steel reinforcement cage and groove section lateral wall, be equipped with the connector between earlier stage groove section steel reinforcement cage and the follow-up groove section steel reinforcement cage, the side that the connector is close to the groove section lateral wall is equipped with only starching iron sheet and limiting plate, it is formed with the mounting groove between starching iron sheet and connector, the limiting plate to end, be equipped with the gasbag in the mounting groove.
Through adopting above-mentioned technical scheme, finishing the back at connector and thick liquid iron sheet installation, placing the gasbag in the mounting groove, before concrete placement, to letting in gas in the gasbag, the gasbag inflation, the expanded gasbag outwards promotes and ends thick liquid iron sheet, makes the tip that ends thick liquid iron sheet paste tight groove section lateral wall. When pouring, the grout stopping iron sheet plays a role in blocking, and further the phenomenon of streaming is improved. After the air bag is poured, the air in the air bag is discharged, the air bag can be recycled, the air bag is not contacted with concrete in the pouring process, the condition that the air bag is bonded with the concrete is reduced, and the air bag is convenient to recycle.
Preferably, the end part of the grout stopping iron sheet close to the side wall of the groove section is provided with a rubber strip, and the rubber strip is positioned on the side surface of the grout stopping iron sheet departing from the air bag.
By adopting the technical scheme, the air bag expands, the expanded air bag pushes the grout stopping iron sheet outwards, and the rubber strip at the end part of the grout stopping iron sheet is attached to the side wall of the groove section. If there is unevenness's the condition in groove section lateral wall, the rubber strip can take place deformation, makes rubber strip and the laminating of groove section lateral wall inseparable, can further improve the phenomenon of streaming.
Preferably, the connecting head is provided with a connecting plate, and the connecting plate extends towards the side wall of the groove section.
Through adopting above-mentioned technical scheme, through setting up the connecting plate, the connecting plate plays separation cushioning effect, when pouring, can reduce the speed that the thick liquid iron sheet is only stopped to the concrete flow.
Preferably, the grout stopping iron sheet is fixedly connected with the connecting plate through a bolt, and a gasket is arranged on the bolt.
Through adopting above-mentioned technical scheme, screw up the bolt, will end thick liquid iron sheet and fix on the connecting plate, through setting up the gasket, bolted connection is inseparabler, reduces the gap.
Preferably, the connecting plate is provided with a reinforcing rib, and the reinforcing rib, the connecting plate and the connector are welded and fixed.
Through adopting above-mentioned technical scheme, through setting up the strengthening rib, improve the joint strength of connecting plate and connector.
Preferably, the gasbag includes utricule and trachea, be equipped with connecting portion on the utricule, be equipped with sealing joint on the trachea, sealing joint is located to connecting portion trachea cover, and connecting portion pass through staple bolt and sealing joint fixed connection.
Through adopting above-mentioned technical scheme, the staple bolt cramps connecting portion on sealing joint, and utricule and trachea are connected closely, ventilate in to the utricule through the trachea, make the utricule inflation.
Preferably, a valve is arranged on the air pipe.
Through adopting above-mentioned technical scheme, through setting up the valve, the switching on of tracheal of valve control.
Preferably, one side of the connector, which is close to the reinforcement cage of the subsequent groove section, is provided with a water stop plate, and the water stop plate extends towards the reinforcement cage of the subsequent groove section.
Through adopting above-mentioned technical scheme, through setting up the stagnant water board, increase the area of contact of connector and concrete, increase interception area, improve waterproof performance.
In summary, the present application includes at least one of the following beneficial technical effects:
1. before concrete pouring, air is introduced into the air bag, the air bag expands, and the expanded air bag pushes the grout stopping iron sheet outwards, so that the end part of the grout stopping iron sheet is attached to the side wall of the groove section. When pouring, the grout stopping iron sheet plays a role in blocking, and further the phenomenon of streaming is improved.
2. Through setting up the rubber strip, if there is unevenness's the condition in groove section lateral wall, the rubber strip can take place deformation, makes rubber strip and the laminating of groove section lateral wall inseparable, can further improve the phenomenon of streaming.
3. Through setting up the stagnant water board, increase the area of contact of connector and concrete, increase interception area, improve waterproof performance.
Drawings
FIG. 1 is a schematic structural view of an anti-bypass structure for a trough section of an underground diaphragm wall according to the present application;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic view of the structure of the airbag.
Description of reference numerals: 1. a steel reinforcement cage of a groove section is firstly formed; 2. a subsequent groove section steel reinforcement cage; 3. a trough section side wall; 4. a connector; 41. a first steel plate; 42. a second steel plate; 43. a third steel plate; 5. a connecting plate; 51. reinforcing ribs; 6. stopping sizing iron sheet; 62. a bolt; 63. a gasket; 64. a rubber strip; 65. a limiting plate; 7. mounting grooves; 8. an air bag; 81. a capsule body; 82. an air tube; 83. a connecting portion; 84. sealing the joint; 85. a valve; 9. a water stop plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses underground continuous wall groove section anti-streaming structure. Referring to fig. 1, the anti-bypass structure includes early groove section steel reinforcement cage 1, follow-up groove section steel reinforcement cage 2 and groove section lateral wall 3, is provided with connector 4 between early groove section steel reinforcement cage 1 and the follow-up groove section steel reinforcement cage 2, and connector 4 includes first steel sheet 41, second steel sheet 42 and third steel sheet 43, and first steel sheet 41, third steel sheet 43 are the vertical fixation respectively in the both sides of second steel sheet 42.
Referring to fig. 1 and 2, the first steel plate 41 and the third steel plate 43 are welded and fixed with a connecting plate 5 on the side surface close to the side wall 3 of the groove section, a reinforcing rib 51 is arranged on the connecting plate 5, the reinforcing rib 51 is triangular plate-shaped, and two sides of the reinforcing rib 51 are respectively welded and fixed with the connecting plate 5 and the connector 4. By arranging the reinforcing ribs 51, the connection strength of the connecting plate 5 and the connector 4 is improved.
A grout stopping iron sheet 6 is arranged on the connecting plate 5, the grout stopping iron sheet 6 is fixedly connected with the connecting plate 5 through a bolt 62, and a gasket 63 is arranged on the bolt 62. One end of the size stopping iron sheet 6 extends towards the side wall 3 of the groove section. Be provided with limiting plate 65 on the connector 4, limiting plate 65 and connecting plate 5 parallel arrangement end and are formed with mounting groove 7 between thick liquid iron sheet 6 and connector 4, the limiting plate 65, are provided with gasbag 8 in the mounting groove 7. The end part of the grout stopping iron sheet 6 close to the side wall 3 of the groove section is provided with a rubber strip 64, the rubber strip 64 is fixedly bonded with the grout stopping iron sheet 6, and the rubber strip 64 is positioned on the side surface of the grout stopping iron sheet 6 departing from the air bag 8. The connecting plate 5 can play a role in blocking and buffering, and the speed of concrete flowing to the grout stopping iron sheet 6 can be reduced during pouring. And (3) introducing gas into the air bag 8, expanding the air bag 8, pushing the grout stopping iron sheet 6 outwards by the expanded air bag 8, and enabling the rubber strip 64 at the end part of the grout stopping iron sheet to be tightly attached to the side wall 3 of the groove section. When pouring, the grout stopping iron sheet 6 plays a role in blocking, and further the phenomenon of streaming is improved.
Referring to fig. 3, the airbag 8 includes a bag body 81 and an air tube 82, a connecting portion 83 is integrally formed on the bag body 81, a sealing joint 84 is fixed on the air tube 82, the connecting portion 83 is sleeved on the air tube 82, and the connecting portion 83 is fixedly connected with the sealing joint 84 through a hoop. One end of air tube 82 extends into bladder 81 and a valve 85 is provided at the end of air tube 82 outside bladder 81. The hoop hoops the connecting part 83 on the sealing joint 84 tightly, the bag body 81 and the air pipe 82 are connected tightly, air is introduced into the bag body 81 through the air pipe 82 to expand the bag body 81, and the valve 85 is arranged to control the conduction of the air pipe 82.
Referring to fig. 1, a water stop plate 9 is fixed on one side of each of the first steel plate 41 and the third steel plate 43 close to the subsequent channel section reinforcement cage 2, and the water stop plate 9 extends towards the subsequent channel section reinforcement cage 2. Through setting up stagnant water board 9, increase the area of contact of connector 4 and concrete, increase interception area, improve waterproof performance.
The implementation principle of the structure of streaming around is prevented to underground continuous wall groove section of this application embodiment is: after the connecting head 4 and the grout stopping iron sheet 6 are installed, the air bag 8 is placed in the installation groove 7. Before concrete pouring, air is introduced into the air bag 8, the air bag 8 expands, and the expanded air bag 8 pushes the grout stopping iron sheet 6 outwards, so that the rubber strip 64 on the end part of the grout stopping iron sheet 6 is in contact with and clings to the side wall 3 of the groove section. When pouring, the grout stopping iron sheet 6 plays a role in blocking, the condition that concrete on one side of the early groove section steel reinforcement cage 1 flows into one side of the subsequent groove section steel reinforcement cage 2 is reduced, and the phenomenon of streaming is improved. After pouring, the air in the air bag 8 is discharged, the air bag 8 can be recovered, the air bag 8 is not contacted with concrete in the pouring process, the condition that the air bag 8 is bonded with the concrete is reduced, and the air bag 8 is convenient to recover.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an underground continuous wall channel section anti-streaming structure, includes earlier channel section steel reinforcement cage (1), follow-up channel section steel reinforcement cage (2) and channel section lateral wall (3), be equipped with connector (4), its characterized in that between earlier channel section steel reinforcement cage (1) and follow-up channel section steel reinforcement cage (2): the side that connector (4) are close to groove section lateral wall (3) is equipped with only thick liquid iron sheet (6) and limiting plate (65), only be formed with between thick liquid iron sheet (6) and connector (4), limiting plate (65) mounting groove (7), be equipped with gasbag (8) in mounting groove (7).
2. The underground diaphragm wall channel section anti-bypass flow structure according to claim 1, wherein: end thick liquid iron sheet (6) and be close to the tip of groove section lateral wall (3) and be equipped with rubber strip (64), rubber strip (64) are located and end thick liquid iron sheet (6) and deviate from on the side of gasbag (8).
3. The underground diaphragm wall channel section anti-bypass flow structure according to claim 1, wherein: the connecting head (4) is provided with a connecting plate (5), and the connecting plate (5) extends towards the groove section side wall (3).
4. The underground diaphragm wall channel section anti-bypass flow structure according to claim 3, wherein: the grout stopping iron sheet (6) is fixedly connected with the connecting plate (5) through a bolt (62), and a gasket (63) is arranged on the bolt (62).
5. The underground diaphragm wall channel section anti-bypass flow structure according to claim 3, wherein: be equipped with strengthening rib (51) on connecting plate (5), strengthening rib (51) and connecting plate (5), connector (4) welded fastening.
6. The underground diaphragm wall channel section anti-bypass flow structure according to claim 1, wherein: gasbag (8) are including utricule (81) and trachea (82), be equipped with connecting portion (83) on utricule (81), be equipped with sealing joint (84) on trachea (82), sealing joint (84) are located to connecting portion (83) trachea (82) cover, and connecting portion (83) are through staple bolt and sealing joint (84) fixed connection.
7. The underground diaphragm wall channel section anti-bypass flow structure according to claim 6, wherein: and a valve (85) is arranged on the air pipe (82).
8. The underground diaphragm wall channel section anti-bypass flow structure according to claim 1, wherein: one side that connector (4) are close to follow-up groove section steel reinforcement cage (2) is equipped with stagnant water board (9), stagnant water board (9) extend to follow-up groove section steel reinforcement cage (2) direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021911568.6U CN213204082U (en) | 2020-09-04 | 2020-09-04 | Underground continuous wall groove section anti-streaming structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021911568.6U CN213204082U (en) | 2020-09-04 | 2020-09-04 | Underground continuous wall groove section anti-streaming structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213204082U true CN213204082U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021911568.6U Active CN213204082U (en) | 2020-09-04 | 2020-09-04 | Underground continuous wall groove section anti-streaming structure |
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| Country | Link |
|---|---|
| CN (1) | CN213204082U (en) |
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2020
- 2020-09-04 CN CN202021911568.6U patent/CN213204082U/en active Active
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