CN214695654U - Prestressed supporting rod for foundation pit enclosure - Google Patents
Prestressed supporting rod for foundation pit enclosure Download PDFInfo
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- CN214695654U CN214695654U CN202120917077.0U CN202120917077U CN214695654U CN 214695654 U CN214695654 U CN 214695654U CN 202120917077 U CN202120917077 U CN 202120917077U CN 214695654 U CN214695654 U CN 214695654U
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- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the field of foundation pit engineering construction, and particularly discloses a prestressed supporting rod for foundation pit support, which comprises inner row piles arranged along the periphery of a foundation pit, boundary beams arranged along the inner sides of the inner row piles, and a supporting rod structure arranged on the inner sides of the boundary beams; the support rod structure comprises a side support assembly and a middle support assembly, the middle support assembly is provided with a support bottom plate, a support seat, a prestressed cable and a prestressed support frame, the support bottom plate is transversely arranged, the top end of the support bottom plate is fixedly connected with the support seat, and the prestressed support frame is arranged on the support seat; the prestressed support frame is H-shaped in section, two mounting blocks are arranged on the inner side of the end portion of the prestressed support frame, the prestressed cable is connected between the two mounting blocks, and two free ends of the prestressed cable are respectively anchored and connected with the side beams and are applied with prestress. The utility model discloses a prestressing force supports, compares in traditional inner support structure still less and has reduced the work load of demolising the support, and the support intensity and the structural stability that prestressing force supported are better moreover.
Description
Technical Field
The utility model relates to a foundation ditch engineering construction field specifically is a prestressed support pole of foundation ditch enclosure.
Background
The excavation of the deep foundation pit is an important construction procedure of an underground structure of a modern large-scale building, and the enclosure and the support of the foundation pit in the prior art mostly adopt a reinforced concrete structure, so that the problems that the enclosure construction period of the reinforced concrete structure is long, the deformation of the enclosure cannot be adjusted in the foundation pit construction process, the dismantling workload of the support rod of the enclosure is large and the support rod cannot be recycled are solved; and for a large foundation pit, the inner support is expensive in engineering and needs longer construction time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a foundation ditch enclosure's prestressing force bracing piece to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a prestressed support rod for foundation pit enclosure comprises inner row piles arranged along the periphery of a foundation pit, boundary beams arranged along the inner sides of the inner row piles, and a support rod structure arranged on the inner sides of the boundary beams; the support rod structure comprises a side support assembly and a middle support assembly, the middle support assembly is provided with a support bottom plate, a support seat, a prestressed cable and a prestressed support frame, the support bottom plate is transversely arranged, the top end of the support bottom plate is fixedly connected with the support seat, and the prestressed support frame is arranged on the support seat; the prestressed support frame is H-shaped in section, two mounting blocks are arranged on the inner side of the end portion of the prestressed support frame, the prestressed cable is connected between the two mounting blocks, and two free ends of the prestressed cable are respectively anchored and connected with the side beams and are applied with prestress.
Preferably, the side support assemblies are distributed on two sides of the middle support assembly and comprise inclined support rods, transverse support rods, connecting rods and reinforcing rods.
Preferably, the transverse supporting rod is fixed on the inner side of the side beam, and the inner side end of the transverse supporting rod is connected with the prestressed supporting frame. Two free ends at the bottom side of the transverse stay bar are respectively connected with the inclined stay bar.
Preferably, the inclined supporting rod is arranged obliquely, and the end part of the inclined supporting rod far away from the transverse supporting rod is connected with the side wall of the side beam.
Preferably, the end part of the diagonal brace is provided with a connecting seat and is connected with the end part of the support bottom plate through the connecting seat.
Preferably, the reinforcing rod is transversely arranged and is parallel to the supporting bottom plate, one end of the reinforcing rod is hinged to the bottom of the inclined supporting rod, and the other end of the reinforcing rod is connected with the supporting seat.
Preferably, the two ends of the connecting rod are respectively connected with the reinforcing rod and the inclined supporting rod, and the connecting rod is vertical to the inclined supporting rod.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model adopts the prestressed support, compared with the traditional internal support structure, the utility model has the advantages of less workload for removing the support, shortened construction period and reduced cost; and secondly, the support strength and the structural stability of the prestressed support are better, so that the deformation of the supporting structure is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. inner row of piles; 2. a boundary beam; 3. a support base plate; 4. a supporting seat; 5. a prestressed cable; 6. a prestressed support frame; 7. mounting blocks; 8. a diagonal brace; 9. a transverse stay bar; 10. a connecting rod; 11. and a reinforcing rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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 "vertical", "upper", "lower", "horizontal", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: a prestressed support rod for foundation pit support comprises inner row piles 1 arranged along the periphery of a foundation pit, boundary beams 2 arranged along the inner sides of the inner row piles 1 and a support rod structure arranged on the inner sides of the boundary beams 2; the support rod structure comprises a side support assembly and a middle support assembly, the middle support assembly is provided with a support bottom plate 3, a support seat 4, a prestressed cable 5 and a prestressed support frame 6, the support bottom plate 3 is transversely arranged, the top end of the support bottom plate is fixedly connected with the support seat 4, and the prestressed support frame 6 is arranged on the support seat 4; the cross section of the prestressed support frame 6 is H-shaped, two mounting blocks 7 are arranged on the inner side of the end part of the prestressed support frame, the prestressed cable 5 is connected between the two mounting blocks 7, and two free ends of the prestressed cable 5 are respectively anchored and connected with the boundary beam 2 and are applied with prestress.
In this embodiment, the side supporting components are distributed on two sides of the middle supporting component, and each side supporting component includes an inclined supporting rod 8, a horizontal supporting rod 9, a connecting rod 10 and a reinforcing rod 11.
In the embodiment, the transverse supporting rod 9 is fixed on the inner side of the side beam 2, and the inner end of the transverse supporting rod 9 is connected with the prestressed supporting frame 6.
In the embodiment, the two free ends of the bottom side of the transverse supporting rod 9 are respectively connected with the inclined supporting rods 8.
In the embodiment, the inclined strut 8 is obliquely arranged, and the end part of the inclined strut 8 far away from the transverse strut 9 is connected with the side wall of the side beam 2.
In this embodiment, the end of the diagonal brace 8 is provided with a connecting seat, and is connected with the end of the supporting bottom plate 3 through the connecting seat.
In this embodiment, the reinforcing rods 11 are transversely disposed and parallel to the supporting base plate 3, one end of each reinforcing rod 11 is hinged to the bottom of the corresponding diagonal brace 8, and the other end of each reinforcing rod 11 is connected to the corresponding supporting seat 4.
In this embodiment, the reinforcing rod 11 and the diagonal brace 8 are connected to two ends of the connecting rod 10, respectively, and the connecting rod 10 is perpendicular to the diagonal brace 8.
The utility model adopts the prestressed support, compared with the traditional internal support structure, the utility model has the advantages of less workload for removing the support, shortened construction period and reduced cost; secondly, the prestress support adopts a combined structure of a side support component and a middle support component, so that the support strength and the structural stability are better, and the deformation of a support structure is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A prestressed support rod for foundation pit bracing is characterized by comprising inner row piles (1) arranged along the periphery of a foundation pit, boundary beams (2) arranged along the inner sides of the inner row piles (1) and a support rod structure arranged on the inner sides of the boundary beams (2); the support rod structure comprises a side support assembly and a middle support assembly, the middle support assembly is provided with a support bottom plate (3), a support base (4), a prestressed cable (5) and a prestressed support frame (6), the support bottom plate (3) is transversely arranged, the top end of the support bottom plate is fixedly connected with the support base (4), and the prestressed support frame (6) is arranged on the support base (4); the cross section of the prestressed support frame (6) is H-shaped, two mounting blocks (7) are arranged on the inner side of the end part of the prestressed support frame, the prestressed cable (5) is connected between the two mounting blocks (7), and two free ends of the prestressed cable (5) are respectively anchored and connected with the boundary beam (2) and are applied with prestress.
2. The prestressed support rod for a foundation pit enclosure of claim 1, wherein: the side supporting components are distributed on two sides of the middle supporting component and comprise inclined supporting rods (8), transverse supporting rods (9), connecting rods (10) and reinforcing rods (11).
3. The prestressed support rod for a foundation pit enclosure of claim 2, wherein: the transverse supporting rods (9) are fixed on the inner sides of the side beams (2), and the inner side ends of the transverse supporting rods (9) are connected with the prestressed supporting frames (6).
4. The pre-stressed support rod for a foundation pit enclosure of claim 3, wherein: two free ends of the bottom side of the transverse supporting rod (9) are respectively connected with the inclined supporting rod (8).
5. The pre-stressed support rod for a foundation pit enclosure of claim 4, wherein: the inclined supporting rods (8) are obliquely arranged, and the end parts, far away from the transverse supporting rods (9), of the inclined supporting rods (8) are connected with the side walls of the side beams (2).
6. The pre-stressed support rod for a foundation pit enclosure of claim 5, wherein: the end part of the inclined strut (8) is provided with a connecting seat and is connected with the end part of the supporting bottom plate (3) through the connecting seat.
7. The prestressed support rod for a foundation pit enclosure of claim 2, wherein: the reinforcing rods (11) are transversely arranged and are parallel to the supporting base plate (3), one ends of the reinforcing rods (11) are hinged to the bottoms of the inclined supporting rods (8), and the other ends of the reinforcing rods are connected with the supporting base (4).
8. The prestressed support rod for a foundation pit enclosure of claim 2, wherein: two ends of the connecting rod (10) are respectively connected with the reinforcing rod (11) and the inclined stay bar (8), and the connecting rod (10) is vertical to the inclined stay bar (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917077.0U CN214695654U (en) | 2021-04-29 | 2021-04-29 | Prestressed supporting rod for foundation pit enclosure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917077.0U CN214695654U (en) | 2021-04-29 | 2021-04-29 | Prestressed supporting rod for foundation pit enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214695654U true CN214695654U (en) | 2021-11-12 |
Family
ID=78534948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120917077.0U Active CN214695654U (en) | 2021-04-29 | 2021-04-29 | Prestressed supporting rod for foundation pit enclosure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214695654U (en) |
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2021
- 2021-04-29 CN CN202120917077.0U patent/CN214695654U/en active Active
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