CN219671311U - Deep foundation pit underground continuous wall - Google Patents
Deep foundation pit underground continuous wall Download PDFInfo
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- CN219671311U CN219671311U CN202320194007.6U CN202320194007U CN219671311U CN 219671311 U CN219671311 U CN 219671311U CN 202320194007 U CN202320194007 U CN 202320194007U CN 219671311 U CN219671311 U CN 219671311U
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- reinforcement cage
- steel
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- steel reinforcement
- longitudinal
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- 230000002787 reinforcement Effects 0.000 claims abstract description 72
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 238000005728 strengthening Methods 0.000 claims abstract description 8
- 210000003205 muscle Anatomy 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model provides a deep foundation pit underground continuous wall, which comprises a steel reinforcement cage, and further comprises a reinforcing framework, wherein the reinforcing framework comprises embedded parts and longitudinal beams, the embedded parts are uniformly arranged in the steel reinforcement cage along the height direction of the steel reinforcement cage, at least two embedded parts are arranged at the same height, extension beams are arranged on two sides of the embedded parts facing to longitudinal ribs, one end of each extension beam is welded and fixed with the embedded part, the other end of each extension beam is welded and fixed with the longitudinal ribs, and longitudinal beams are arranged between two adjacent extension beams along the height direction of the steel reinforcement cage. In this deep basal pit underground diaphragm wall, strengthening skeleton includes the latticed frame structure that a plurality of along steel reinforcement cage direction of height set up, through erect latticed frame structure between the steel reinforcement cage, steel reinforcement cage stability and rigidity can greatly increased, can provide sufficient stability and rigidity for the underground diaphragm wall that follow-up pouring formed, effectively control the deflection of underground diaphragm wall in the work progress, guarantee foundation ditch safety.
Description
Technical Field
The utility model relates to the technical field of underground diaphragm wall construction, in particular to a deep foundation pit underground diaphragm wall.
Background
In subway construction, the underground diaphragm wall serving as the deep foundation pit support structure has the functions of water stopping and water isolation, and also has the function of collecting and transmitting lateral water and soil pressure to the foundation pit steel support. Due to the fact that rigidity is insufficient, the phenomena of asynchronous deformation of a wall body left and right, asynchronous deformation up and down and the like tend to occur in the underground diaphragm wall in the construction process, water seepage, overlarge local deformation and the like occur between the underground diaphragm wall bodies, and safety of a foundation pit is seriously affected.
Disclosure of Invention
The utility model aims to provide a deep foundation pit underground diaphragm wall, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a deep basal pit underground continuous wall, includes the steel reinforcement cage that is formed by horizontal muscle, the crisscross welding of longitudinal reinforcement, still includes the reinforcing skeleton, the reinforcing skeleton includes built-in fitting and longeron, and the built-in fitting evenly sets up in the steel reinforcement cage along steel reinforcement cage direction of height, and same height is provided with two built-in fittings at least, and the both sides face of built-in fitting orientation longitudinal reinforcement all is provided with the extension roof beam, extension roof beam one end and built-in fitting welded fastening, the other end and longitudinal reinforcement welded fastening all are provided with the longeron between two adjacent extension roof beams of steel reinforcement cage direction of height.
Further, the longitudinal beam is arranged on the end part of the extension beam, which is close to the longitudinal rib, and the side surface of the longitudinal beam is welded and fixed with the longitudinal rib.
Furthermore, embedded parts positioned at the same height are connected through transversely arranged bridging beams.
Further, the reinforcing framework further comprises a middle cross beam, and the middle cross beams are arranged between two adjacent extending beams at the same height.
Further, the middle cross beam is arranged on the end part of the extension beam, which is close to the longitudinal ribs, and the side surface of the middle cross beam is welded and fixed with the longitudinal ribs.
Further, an edge beam is arranged on the outer side of the extension beam at the edge position, the edge beam is arranged on the end part, close to the longitudinal ribs, of the extension beam, and the side face of the edge beam is welded and fixed with the longitudinal ribs.
Furthermore, I-steel is arranged between two adjacent reinforcement cages, the ends of the reinforcement cages extend into the cavity between the web plate and the flange plate of the I-steel, and the I-steel is fixedly connected with one of the ends of the reinforcement cages.
Further, the end part of the edge cross beam arranged outside the edge position extension beam of the reinforcement cage connected with the I-steel is welded and fixed on the web plate of the I-steel.
In this deep basal pit underground diaphragm wall, strengthening skeleton includes the latticed frame structure that a plurality of along steel reinforcement cage direction of height set up, latticed frame structure is formed by built-in fitting, extension beam, longeron surrounding, girder steel connection stability and rigidity are superior to the reinforcing bar, through erect latticed frame structure between the steel reinforcement cage, steel reinforcement cage stability and rigidity can greatly increased, can provide sufficient stability and rigidity for the underground diaphragm wall that follow-up pouring formed, effectively control the deflection of underground diaphragm wall in the work progress, guarantee foundation ditch safety. The reinforcing framework formed by the steel beams can replace the steel reinforcement cage longitudinal steel bar trusses which are arranged in an encrypted mode, the space between the steel beams is large, the influence on the uniform flow of concrete is small, the concrete and the steel reinforcement cage are tightly and uniformly combined, and the finishing quality of the underground continuous wall is good.
Drawings
FIG. 1 is a top view of a deep foundation pit underground diaphragm wall according to the present utility model (wherein the first and third trough sections are concreted, the second trough section is only suspended with a reinforcement cage, and no concrete is concreted);
fig. 2 is a top view of a deep foundation pit underground diaphragm wall reinforcement cage according to the utility model;
fig. 3 is a front view of a deep foundation pit underground diaphragm wall reinforcing skeleton according to the utility model.
In the figure: 1. the embedded part comprises an embedded part, a middle cross beam, a longitudinal beam, a cross beam, transverse ribs, longitudinal ribs, I-shaped steel, wall bodies, groove sections, extension beams and edge cross beams.
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.
As shown in fig. 1 to 3, the underground continuous wall of the deep foundation pit in this embodiment includes a reinforcement cage formed by welding transverse ribs 5 and longitudinal ribs 6 in a staggered manner, the manufactured reinforcement cage is hoisted into a corresponding groove section 9 after excavation and cleaning, a conduit is lowered from the reinforcement cage to the bottom of the groove section 9, and concrete is poured into the groove section 9 through the conduit to form an underground continuous wall body 8. In order to overcome the defect that the underground continuous wall rigidity is not enough among the prior art, the reinforcement cage that this deep basal pit underground continuous wall adopted still includes the strengthening skeleton, and the strengthening skeleton includes built-in fitting 1 and longeron 3, and built-in fitting 1 evenly sets up in the reinforcement cage along reinforcement cage direction of height, and same height is provided with two built-in fitting 1 at least, and built-in fitting 1 all is provided with extension beam 10 towards the both sides face of indulging muscle 6, extension beam 10 one end and built-in fitting 1 welded fastening, the other end and indulge muscle 6 welded fastening all are provided with longeron 3 along between two extension beams 10 that reinforcement cage direction of height is adjacent.
In this deep basal pit underground diaphragm wall, strengthening skeleton includes the latticed frame structure that a plurality of along steel reinforcement cage direction of height set up, latticed frame structure is formed by built-in fitting 1, extension beam 10, longeron 3 surrounding, girder steel connection stability and rigidity are superior to the reinforcing bar, through erect latticed frame structure between the steel reinforcement cage, steel reinforcement cage stability and rigidity can greatly increased, can provide sufficient stability and rigidity for the underground diaphragm wall that the follow-up pouring formed, the deflection of underground diaphragm wall in the effective control work progress guarantees foundation ditch safety. The reinforcing framework formed by the steel beams can replace the steel reinforcement cage longitudinal steel bar trusses which are arranged in an encrypted mode, the space between the steel beams is large, the influence on the uniform flow of concrete is small, the concrete and the steel reinforcement cage are tightly and uniformly combined, and the finishing quality of the underground continuous wall is good.
In this deep basal pit underground diaphragm wall, longeron 3 sets up on the tip that extension beam 10 is close to indulging muscle 6, longeron 3 side and indulge muscle 6 welded fastening, so set up, can strengthen the connection compactness between reinforcing skeleton and the steel reinforcement cage indulge muscle 6, still further improve steel reinforcement cage overall stability and rigidity.
In the underground continuous wall of the deep foundation pit, embedded parts 1 positioned at the same height are connected through cross beams 4 arranged transversely. Through setting up cross beam 4, connect the latticed frame construction that a plurality of along steel reinforcement cage direction of height set up as an organic whole structure, still further improve steel reinforcement cage overall stability and rigidity, in addition, can also play the effect of replacing the horizontal steel bar truss of steel reinforcement cage, reduce the reinforcing bar quantity, improve steel reinforcement cage preparation efficiency.
In this deep basal pit underground diaphragm wall, strengthening skeleton still includes middle crossbeam 2, is located and all is provided with middle crossbeam 2 between two adjacent extension beams 10 of same altitude, and middle crossbeam 2 makes the connection of each latticed frame structure more stable.
In this deep basal pit underground diaphragm wall, middle crossbeam 2 sets up on the tip that extension beam 10 is close to indulging muscle 6, middle crossbeam 2 side and indulge muscle 6 welded fastening, further strengthen the connection compactness between reinforcing skeleton and the steel reinforcement cage indulge muscle 6.
In the deep foundation pit underground diaphragm wall, an edge beam 11 is arranged on the outer side of an extension beam 10 positioned at the edge position, the edge beam 11 is arranged on the end part of the extension beam 10, which is close to a longitudinal rib 6, and the side surface of the edge beam 11 is welded and fixed with the longitudinal rib 6. As shown in fig. 2, the outer side of the extension beam 10 at the left side edge is also provided with an edge beam 11, the outer side of the extension beam 10 at the right side edge is also provided with an edge beam 11, and an integral beam formed by the edge beam 11 and the middle beam 2 arranged between two adjacent extension beams 10 at the same height can replace part of transverse ribs 5, so that the consumption of steel bars is correspondingly reduced, and the manufacturing efficiency of the steel reinforcement cage is improved.
In this deep basal pit underground diaphragm wall, be provided with I-steel 7 between two adjacent steel reinforcement cages, the steel reinforcement cage tip stretches into in the cavity between I-steel 7 web and the flange board, I-steel 7 and one of them steel reinforcement cage tip fixed connection, still further, the steel reinforcement cage that is connected with I-steel 7, the marginal position extension roof beam 10 outside edge crossbeam 11 tip welded fastening who sets up is on the I-steel 7 web. When the underground continuous wall is constructed, the odd-numbered section groove sections are excavated firstly, the reinforcement cages are sequentially hung, the concrete is poured to form the wall bodies of the odd-numbered section underground continuous walls, the even-numbered section groove sections are excavated again, the reinforcement cages are sequentially hung, the concrete is poured to form the wall bodies of the even-numbered section underground continuous walls, and finally the horizontal extending continuous underground continuous walls are formed. The I-steel 7 is arranged between two reinforcement cages in two adjacent groove sections, so that the connection strength of the two reinforcement cages can be enhanced, the strength and the connection stability of two adjacent underground continuous walls can be enhanced, in actual construction, the I-steel 7 is fixedly connected to the two ends of the reinforcement cage which is usually hung down in the groove sections of the odd number section, the I-steel 7 is not required to be connected to the two ends of the reinforcement cage which is hung down in the groove sections of the even number section, and when the reinforcement cage is hung down in the groove sections of the even number section, the reinforcement cage is inserted into the I-steel 7 which is correspondingly connected with the reinforcement cage which is hung down in the groove sections of the two odd number sections adjacent to the reinforcement cage. As shown in figure 1, the two ends of the reinforcement cage in the first groove section and the third groove section are respectively connected with I-steel 7, the two ends of the reinforcement cage in the second groove section are not connected with the I-steel 7, and the reinforcement cage is inserted into the corresponding cavities of the I-steel 7 in the first groove section and the third groove section.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a deep basal pit underground continuous wall, includes by horizontal muscle (5), indulge steel reinforcement cage that muscle (6) staggered welding formed, its characterized in that: still include strengthening the skeleton, strengthening the skeleton and including built-in fitting (1) and longeron (3), built-in fitting (1) evenly set up in the steel reinforcement cage along steel reinforcement cage direction of height, same height is provided with two built-in fitting (1) at least, and both sides face of built-in fitting (1) orientation longitudinal reinforcement (6) all is provided with extension beam (10), extension beam (10) one end and built-in fitting (1) welded fastening, the other end and longitudinal reinforcement (6) welded fastening all are provided with longeron (3) between two adjacent extension beams (10) along steel reinforcement cage direction of height.
2. The deep foundation pit underground diaphragm wall of claim 1, wherein: the longitudinal beam (3) is arranged at the end part of the extension beam (10) close to the longitudinal rib (6), and the side surface of the longitudinal beam (3) is welded and fixed with the longitudinal rib (6).
3. The deep foundation pit underground diaphragm wall of claim 2, wherein: the embedded parts (1) positioned at the same height are connected through cross beams (4) which are transversely arranged.
4. A deep foundation pit subterranean continuous wall according to claim 3, wherein: the reinforcing framework further comprises a middle cross beam (2), and the middle cross beam (2) is arranged between two adjacent extension beams (10) positioned at the same height.
5. The deep foundation pit underground diaphragm wall of claim 4, wherein: the middle cross beam (2) is arranged at the end part of the extension beam (10) close to the longitudinal rib (6), and the side surface of the middle cross beam (2) is welded and fixed with the longitudinal rib (6).
6. The deep foundation pit underground diaphragm wall of claim 5, wherein: the edge beam (11) is arranged on the outer side of the extension beam (10) at the edge position, the edge beam (11) is arranged on the end part, close to the longitudinal ribs (6), of the extension beam (10), and the side surface of the edge beam (11) is welded and fixed with the longitudinal ribs (6).
7. The deep foundation pit subterranean continuous wall of claim 6, wherein: an I-steel (7) is arranged between two adjacent reinforcement cages, the ends of the reinforcement cages extend into the cavity between the web plate and the flange plate of the I-steel (7), and the I-steel (7) is fixedly connected with one of the reinforcement cage ends.
8. The deep foundation pit subterranean continuous wall of claim 7, wherein: the end part of an edge cross beam (11) arranged outside the edge position extension beam (10) of the reinforcement cage connected with the I-steel (7) is welded and fixed on the web plate of the I-steel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320194007.6U CN219671311U (en) | 2023-02-13 | 2023-02-13 | Deep foundation pit underground continuous wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320194007.6U CN219671311U (en) | 2023-02-13 | 2023-02-13 | Deep foundation pit underground continuous wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219671311U true CN219671311U (en) | 2023-09-12 |
Family
ID=87927431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320194007.6U Active CN219671311U (en) | 2023-02-13 | 2023-02-13 | Deep foundation pit underground continuous wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219671311U (en) |
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2023
- 2023-02-13 CN CN202320194007.6U patent/CN219671311U/en active Active
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