CN221421991U - Deep foundation pit prestress diagonal bracing system - Google Patents
Deep foundation pit prestress diagonal bracing system Download PDFInfo
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- CN221421991U CN221421991U CN202323602925.7U CN202323602925U CN221421991U CN 221421991 U CN221421991 U CN 221421991U CN 202323602925 U CN202323602925 U CN 202323602925U CN 221421991 U CN221421991 U CN 221421991U
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- diagonal bracing
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a deep foundation pit prestress diagonal bracing system which comprises a concrete reinforcing cushion layer, a bottom plate, a connecting plate, a steel diagonal bracing, a flange plate, a steel pipe pile, a pressing plate, a Lassen steel sheet pile, a pre-buried locating plate, a first threaded socket, a second threaded socket, an arc-shaped connecting plate, a reserved connecting groove, an end plate, a first lug plate, a second lug plate, a sliding block, a sliding rail, a pre-buried bolt and a reserved bolt hole; the deep foundation pit prestress inclined strut system comprises a top quick connection system and a bottom accurate positioning system. The utility model can be flexibly arranged according to different local parts of the surrounding environment of the pit without using the upright post, thereby saving the manufacturing cost and obtaining better economic benefit when being applied to foundation pit support.
Description
Technical Field
The utility model relates to the field of deep foundation pit supporting systems, in particular to a deep foundation pit prestress diagonal bracing system.
Background
With the development of urban construction and the promotion of old city transformation, more and more deep foundation pit projects are not only close to the environments of existing dense building groups, complex roads, underground pipelines and the like, but also face narrow construction sites, and very strict requirements are provided for stability and displacement control of foundation pit support.
When the plane size of the foundation pit is large, the horizontal internal support system is adopted to form a support crisscross, the upright columns stand upright, so that the inconvenience of earth excavation of the foundation pit, construction of an underground structure and the like is caused, the construction cost of the support is high, and the construction progress is slow.
Disclosure of utility model
The utility model aims to provide a deep foundation pit prestress diagonal bracing system for solving the technical problems.
In order to solve the technical problems, the utility model provides a deep foundation pit prestress diagonal bracing system, which comprises a top quick connecting system and a bottom accurate positioning system, wherein the top quick connecting system comprises a plurality of steel pipe piles and Lassen steel sheet piles connected among the plurality of steel pipe piles, and a concrete pressing top plate is arranged on the Lassen steel sheet piles; the inside pre-buried bolt that sets up of roof board, bolt one end is connected with pre-buried locating plate to set up first screw thread socket on pre-buried locating plate, the upper end connection of first screw thread socket and steel bracing, in order to make the slope of steel bracing prop up in one side of Lasen steel sheet pile.
Further, the end part of the Larson steel sheet pile is connected with a sliding rail, the lower end of the second lug plate is provided with a sliding block, and the sliding block is movably arranged in the sliding rail; the bottom of the sliding rail is provided with an end plate, the upper end part of the other steel diagonal brace is connected with a first lug plate, and the first lug plate is fixed with a second lug plate.
Further, the bottom accurate positioning system comprises a concrete reinforcing cushion layer and a reserved connecting groove arranged on the concrete reinforcing cushion layer, wherein the bottom plate is arranged in the reserved connecting groove, a reserved bolt hole is arranged on the bottom plate, and the bottom plate and the reserved connecting groove are fixed after the bolt penetrates through the reserved bolt hole; the middle part of the bottom plate is provided with a connecting plate, the upper part of the connecting plate is provided with at least two arc-shaped connecting plates, and the arc-shaped connecting plates are connected with the lower end parts of the second screw thread socket steel diagonal braces and the second screw thread sockets.
Further, the steel diagonal bracing comprises a plurality of sections which are connected in sequence, and flanges are arranged between two adjacent sections for connection.
The utility model has the beneficial effects that:
1. According to the utility model, a quick connection system for the top of the diagonal bracing is adopted, the position of the embedded positioning plate is accurately determined by arranging the embedded bolts, the relative position of the upper end steel diagonal bracing is flexibly adjusted by adopting the sliding blocks, the arrangement is flexible, and the installation efficiency of the steel diagonal bracing is improved.
2. According to the utility model, a diagonal bracing bottom accurate positioning system is adopted, the concrete reinforcing cushion layer is reserved with a connecting groove, the position of the bottom plate is accurately positioned, the steel diagonal bracing is quickly fixed through screw tightening, and the flange plate is used for connecting the steel diagonal bracing in sections, so that the flexible arrangement of different parts according to the surrounding environment of the pit is realized, the use of stand columns is not required, and the manufacturing cost is saved.
Drawings
FIG. 1 is a schematic structural view of a deep foundation pit pre-stress bracing system;
FIG. 2 is a schematic structural view of a diagonal brace top quick connect technique;
FIG. 3 is a schematic view of the structure of FIG. 1A;
FIG. 4 is a schematic diagram of the structure of the pre-buried locating plate;
fig. 5 is a schematic view of the structure of the diagonal bracing bottom floor.
In the figure: the concrete reinforced cushion layer comprises a 1-concrete reinforced cushion layer, a 2-bottom plate, a 3-connecting plate, a 4-steel diagonal bracing, a 5-flange plate, a 6-steel pipe pile, a 7-pressing plate, an 8-Lasen steel sheet pile, a 9-pre-buried locating plate, a 10-first threaded socket, a 11-second threaded socket, a 12-arc-shaped connecting plate, a 13-reserved connecting groove, a 14-end plate, a 15-first lug plate, a 16-second lug plate, a 17-sliding block, a 18-sliding rail, a 19-pre-buried bolt and a 20-reserved bolt hole.
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 are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
As shown in fig. 1-5, the utility model provides a deep foundation pit prestress diagonal bracing system, which comprises a top quick connection system and a bottom accurate positioning system.
The top quick connection system comprises a plurality of steel pipe piles 6 and Larson steel sheet piles 8 connected among the plurality of steel pipe piles 6, wherein a concrete roof pressing plate 7 is poured on the Larson steel sheet piles 8; an embedded bolt 19 is arranged in the pouring process of the pressing plate 7, one end of the bolt 19 is welded with the embedded locating plate 9, a first threaded socket 10 is arranged on the embedded locating plate 9, and the first threaded socket 10 is tightly screwed with the upper end part of the steel diagonal bracing 4 through threads, so that the steel diagonal bracing 4 is obliquely supported on one side of the Lassen steel sheet pile 8; the end part of the Larson steel sheet pile 8 is welded and connected with a sliding rail 18, the lower end of the second lug plate 16 is provided with a sliding block 17, and the sliding block 17 is movably arranged in the sliding rail 18; the bottom of the sliding rail 18 is provided with an end plate 14 to prevent the sliding block 17 from sliding down; the upper end part of the other steel diagonal brace 4 is welded and connected with a first lug plate 15, and the first lug plate 15 and a second lug plate 16 are fixed through bolts; in actual construction, the upper end of the steel diagonal bracing 4 needs to apply certain prestress according to engineering requirements, and the relative position of the steel diagonal bracing 4 can be flexibly adjusted by moving the sliding blocks 17.
The bottom accurate positioning system comprises a concrete reinforcing cushion layer 1 and a reserved connecting groove 13 arranged on the concrete reinforcing cushion layer 1, wherein a bottom plate 2 is arranged in the reserved connecting groove 13, a reserved bolt hole 20 is arranged on the bottom plate 2, and the bottom plate 2 and the reserved connecting groove 13 are fixed after the reserved bolt hole 20 is penetrated by a bolt; a connecting plate 3 is welded at the middle part of the bottom plate 2, at least two arc-shaped connecting plates 12 are arranged at the upper part of the connecting plate 3, and a second threaded socket 11 is welded on the arc-shaped connecting plates 12; the lower end part of the steel diagonal bracing 4 is in threaded tightening connection with the second threaded socket 11; the steel diagonal bracing 4 comprises a plurality of sections which are connected in sequence, the flange plates 5 are arranged between two adjacent sections for connection, and the steel diagonal bracing 4 of each section is quickly lengthened and assembled through bolts, so that the construction efficiency is improved.
It should be noted that the present solution at least includes two steel diagonal braces 4, wherein two ends of one steel diagonal brace 4 are respectively connected to the first threaded socket 10 and the second threaded socket 11, and two ends of the other steel diagonal brace 4 are respectively connected to the first ear plate 15 and the second threaded socket 11, so that the two steel diagonal braces 4 can respectively support the roof pressing plate 7 and the lasen steel sheet pile 8.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.
Claims (4)
1. The utility model provides a deep basal pit prestressing force bracing system which characterized in that: the quick top connecting system comprises a plurality of steel pipe piles (6), lasen steel sheet piles (8) connected among the plurality of steel pipe piles (6), and a concrete pressing top plate (7) is arranged on the Lasen steel sheet piles (8); the embedded bolt (19) is arranged in the pressing plate (7), one end of the bolt (19) is connected with the embedded locating plate (9), a first threaded socket (10) is formed in the embedded locating plate (9), and the first threaded socket (10) is connected with the upper end of the steel diagonal bracing (4) so that the steel diagonal bracing (4) is obliquely supported on one side of the Lassen steel sheet pile (8).
2. The deep foundation pit prestressed diagonal bracing system according to claim 1, wherein: the end part of the Larson steel sheet pile (8) is connected with a sliding rail (18), the lower end of the second lug plate (16) is provided with a sliding block (17), and the sliding block (17) is movably arranged in the sliding rail (18); an end plate (14) is arranged at the bottom of the sliding rail (18), the upper end part of the other steel diagonal brace (4) is connected with a first lug plate (15), and the first lug plate (15) is fixed with a second lug plate (16).
3. The deep foundation pit prestressed diagonal bracing system according to claim 1, wherein: the bottom accurate positioning system comprises a concrete reinforcing cushion layer (1) and a reserved connecting groove (13) formed in the concrete reinforcing cushion layer (1), wherein the bottom plate (2) is arranged in the reserved connecting groove (13), a reserved bolt hole (20) is formed in the bottom plate (2), and the bottom plate (2) and the reserved connecting groove (13) are fixed after the bolt penetrates through the reserved bolt hole (20); the middle part position of bottom plate (2) sets up connecting plate (3), and connecting plate (3) upper portion sets up two at least arc connecting plates (12), connects the lower tip and the second screw socket (11) connection of second screw socket (11) steel bracing (4) on arc connecting plate (12).
4. The deep foundation pit prestressed diagonal bracing system according to claim 1, wherein: the steel diagonal bracing (4) comprises a plurality of sections which are connected in sequence, and a flange plate (5) is arranged between two adjacent sections for connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323602925.7U CN221421991U (en) | 2023-12-27 | 2023-12-27 | Deep foundation pit prestress diagonal bracing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323602925.7U CN221421991U (en) | 2023-12-27 | 2023-12-27 | Deep foundation pit prestress diagonal bracing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221421991U true CN221421991U (en) | 2024-07-26 |
Family
ID=91979623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323602925.7U Active CN221421991U (en) | 2023-12-27 | 2023-12-27 | Deep foundation pit prestress diagonal bracing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221421991U (en) |
-
2023
- 2023-12-27 CN CN202323602925.7U patent/CN221421991U/en active Active
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