CN221095146U - Foundation pit diagonal bracing supporting structure - Google Patents
Foundation pit diagonal bracing supporting structure Download PDFInfo
- Publication number
- CN221095146U CN221095146U CN202322376741.7U CN202322376741U CN221095146U CN 221095146 U CN221095146 U CN 221095146U CN 202322376741 U CN202322376741 U CN 202322376741U CN 221095146 U CN221095146 U CN 221095146U
- Authority
- CN
- China
- Prior art keywords
- foundation
- diagonal bracing
- pile
- bottom plate
- piles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002689 soil Substances 0.000 claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a foundation pit diagonal bracing supporting structure which comprises a diagonal bracing foundation and diagonal bracing supporting rods, wherein the diagonal bracing supporting rods are fixed on the diagonal bracing foundation, the diagonal bracing foundation comprises a prefabricated bottom plate and foundation piles, the foundation piles and the prefabricated bottom plate can be detachably fixed, and the foundation piles and the prefabricated bottom plate form a composite pile foundation so that inter-pile soil and the foundation piles bear together. According to the utility model, the prefabricated bottom plate and the foundation are arranged and can be detachably fixed to realize the function of easy installation and disassembly, and meanwhile, the composite pile foundation is formed by the prefabricated bottom plate with a large area and the foundation piles, so that the diagonal bracing foundation has enough bearing capacity.
Description
Technical Field
The utility model relates to a foundation pit diagonal bracing supporting structure.
Background
The excavation area of foundation pit projects in China is relatively large, the excavation depth is relatively deep, and the surrounding environment needs to be protected, so that higher requirements are put forward on foundation pit technology. At present, foundation pit supporting forms applied to construction engineering are various, wherein supporting forms of column arrangement and internal support are widely used in large-area deep foundation pit engineering, the traditional internal supporting mode adopts a horizontal support reinforced concrete beam, but the construction cost is higher, the safety is poor, the construction period is longer, a large amount of construction waste and strong noise are generated during later dismantling, the influence on surrounding residents and the environment is larger, and an inclined strut system is adopted, so that not only is the earth excavation convenient, but also the construction period is shortened, and the influence on the environment is smaller. The diagonal bracing system generally comprises a soil retaining structure, a diagonal bracing on the soil retaining structure and a diagonal bracing foundation serving as a supporting stress point, wherein a structural bottom plate is generally used as a reliable supporting stress point, the diagonal bracing is constructed after the structural bottom plate reaches design strength, a concrete platform is generally required to be poured into a foundation pit to serve as a supporting foundation structure, the concrete platform needs to be maintained for a certain time to reach preset strength, the follow-up construction can be performed, the construction period is prolonged, the manufacturing and using method of the diagonal bracing supporting structure disclosed in the Chinese patent publication No. CN116104106A provides a way of realizing rapid diagonal bracing supporting through grouting of a diagonal steel pipe pile head, and the defect that the diagonal bracing structure still needs to be dismantled in the later stage is overcome.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide a foundation pit diagonal bracing supporting structure convenient to mount and dismount. The utility model is provided with the prefabricated bottom plate and the inclined strut support rod which are detachably connected, and the prefabricated bottom plate and the foundation pile which are detachably connected, so that the support structure is convenient to install and detach.
The foundation pit diagonal bracing supporting structure comprises a diagonal bracing foundation and diagonal bracing supporting rods, wherein the diagonal bracing supporting rods are fixed on the diagonal bracing foundation, the diagonal bracing foundation comprises a prefabricated bottom plate and foundation piles, the foundation piles and the prefabricated bottom plate are detachably fixed, and the foundation piles and the prefabricated bottom plate form a composite pile foundation, so that inter-pile soil and the foundation piles are borne together.
Further, the diagonal bracing foundation comprises a plurality of foundation piles which are arranged at equal intervals, and the foundation piles are short piles.
Further, the prefabricated bottom plate is provided with a stud, the bottom of the diagonal bracing strut is connected with the connecting bottom plate, the connecting bottom plate is provided with a plurality of through holes, and the stud penetrates through the connecting bottom plate and is fixed by nuts.
Furthermore, a plurality of groups of studs are arranged on the prefabricated bottom plate at equal intervals, the bottoms of the diagonal bracing support rods are hinged with the connecting bottom plate, and the connecting bottom plate is connected with the studs at different positions to adjust the positions of the bottoms of the diagonal bracing support rods on the connecting bottom plate.
Further, the inclined support rod is a length-adjustable support rod or the other end of the inclined support rod is adjustable in vertical height.
Further, the soil retaining device also comprises a column pile, wherein a soil retaining plate is arranged on one side of the column pile facing the soil body, and the other end of the diagonal bracing supporting rod is fixed on the column pile.
Further, the foundation pit further comprises an anchor pile, wherein the anchor pile is arranged in a soil body outside the foundation pit, and the anchor pile is connected with the column pile through a pull rod or a pull rope.
Further, the pile comprises a pile body and a pile body, and the pile body are detachably connected.
Further, one end of the pile body connected is fixed with a cylindrical connecting piece, and one end of the pile body connected is provided with a matched connecting hole; or one end of the column body connected is fixed with a cylindrical connecting piece, and one end of the pile body connected is provided with a matched connecting hole; the connecting hole is in threaded connection with the connecting piece, and a protective sleeve is fixed on the outer side of the connecting part of the column body and the pile body; or the pile body and the pile body are fixedly connected with a fixing plate at one connecting end, the fixing plate is provided with a matched fixing hole, and the bolt penetrates through the fixing hole to fix the fixing part together.
The beneficial effects of the utility model are as follows:
(1) The diagonal bracing foundation provided by the utility model adopts the prefabricated bottom plate, the prefabricated bottom plate has a larger area, the prefabricated bottom plate is connected with the foundation piles in an assembled mode, the diagonal bracing support rods are connected with the prefabricated bottom plate in an assembled mode in a detachable mode, the installation and the detachment are very convenient, the prefabricated bottom plate is directly arranged above the soil surface of the foundation pit, compared with the construction period of a concrete foundation platform, the construction period is saved, a plurality of foundation piles are arranged below the prefabricated bottom plate, in order to ensure the bearing capacity, in order to facilitate the removal of the foundation piles in the later period, the foundation piles adopt short piles, and the foundation piles and the prefabricated bottom plate are arranged at equal intervals to form a mixed pile foundation, namely, the foundation piles and the foundation piles are utilized to bear the load of the diagonal bracing support rods together.
(2) The prefabricated bottom plate is provided with a plurality of groups of studs at equal intervals, when the connecting bottom plate of the diagonal bracing support rod is matched and fixed with different studs, the position of the bottom of the diagonal bracing support rod can be adjusted, the diagonal bracing support rod is hinged with the connecting bottom plate, and the angle of the diagonal bracing support rod can be adjusted.
(3) The utility model is provided with the short piles which are convenient to pull out, and can be selected not to pull out, and the utility model is also provided with the column piles which comprise the column shaft and the pile body which are detachably connected, wherein the pile shaft is buried in the soil, when the supporting structure is dismantled, the pile shaft can be left in the soil to avoid pulling out, and the column shaft can be detached and rotated for repeated use, so that the balance is realized between saving materials and saving construction period.
Drawings
FIG. 1 is a schematic diagram of an embodiment embodying the present utility model;
FIG. 2 is a schematic view of a support structure with anchor piles;
FIG. 3 is a schematic top view of a prefabricated base plate;
FIG. 4 is a schematic illustration of the connection floor to the diagonal strut;
FIG. 5 is a schematic view of a first embodiment of a removable post;
fig. 6 is a schematic view of a second embodiment of a removable post.
Reference numerals illustrate: 1. soil mass; 2. a foundation pile; 3. prefabricating a bottom plate; 4. a nut; 5. diagonal bracing support rods; 6. a cross brace; 7. a column pile; 701. a column body; 702. pile body; 703. a cylindrical connector; 704. a connection hole; 705. a protective sleeve; 706. a fixing plate; 8. a soil retaining plate; 9. an anchor pile; 901. a pull rod; 10. a connecting bottom plate; 11. a stud.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, 3 and 4, a foundation pit diagonal bracing supporting structure of the present utility model comprises a diagonal bracing foundation and diagonal bracing struts 5, wherein the diagonal bracing struts 5 are fixed on the diagonal bracing foundation, the diagonal bracing foundation comprises a prefabricated bottom plate 3 and a foundation pile 2, the foundation pile 2 and the prefabricated bottom plate 3 are detachably fixed, and the foundation pile 2 and the prefabricated bottom plate 3 form a composite pile foundation in such a way that inter-pile soil and the foundation pile 2 bear together. The utility model aims to realize that the diagonal bracing supporting structure is convenient to assemble and disassemble and ensure that the diagonal bracing foundation has enough bearing capacity, and the improved scheme comprises the steps of changing a cast-in-situ concrete foundation slab into a prefabricated slab 3, wherein the prefabricated slab 3 can be of a reinforced concrete structure, and the prefabricated slab 3 is provided with a larger area for forming a composite pile foundation with a foundation pile 2, and the bearing capacity of the diagonal bracing foundation is improved by arranging a plurality of foundation piles 2 and acting forces of soil between the prefabricated slab 3 and the piles at equal intervals while short piles with shorter pile lengths are used for realizing convenient pulling. Typically, foundation piles having pile lengths of 3-6m are referred to as short piles, and the pile spacing of composite pile foundations is relatively large, typically 3-6 times the pile diameter. Referring to fig. 1, in this embodiment, a cylindrical steel structural connecting member with a size smaller than the pile diameter, such as a pre-embedded stud, is arranged at the upper part of the foundation pile 2, and penetrates through a pre-reserved hole on the pre-fabricated bottom plate 3 to be fixed by a high-strength nut, or alternatively, a hoop may be used to fix the cylindrical connecting member with the pre-reserved bottom plate. The bracing branch 5 can adopt the steel pipe, and the other end of bracing branch 5 is fixed on post 7, and fixed mode includes that the welding also can dismantle the connection, if through connecting axle connection, articulated etc. in post 7's a part buries to soil body 1, post 7 can also set up stull 6, and stull 6 adopts steel construction, and bracing branch 5 can be connected on stull 6, and post 7 sets up retaining plate 8 towards the one side in the foundation ditch outside, backfills the soil body between retaining plate 8 and the domatic.
In the above embodiment, referring to fig. 3, the prefabricated base plate 3 and the diagonal bracing strut 5 are detachably fixed, the steel studs 11 are embedded in the prefabricated base plate 3 when the prefabricated base plate 3 is poured, the bottom of the diagonal bracing strut 5 is connected with the connecting base plate 10, a plurality of through holes are formed in the connecting base plate 10, the studs 11 penetrate through the connecting base plate 10 and are fixed by nuts 4, in this embodiment, the prefabricated base plate 3 may be provided with a reserved hole, and the prefabricated base plate is fixed by bolts and nuts 4.
In the above embodiment, referring to fig. 3, a plurality of groups of studs 11 are arranged on the prefabricated base plate 3 at equal intervals, the bottom of the diagonal bracing strut 5 is hinged with the connecting base plate 10, and the connecting base plate 10 adjusts the position of the bottom of the diagonal bracing strut 5 on the connecting base plate 10 by connecting with the studs 11 at different positions. The present embodiment can appropriately adjust the distance between the diagonal strut 5 and the post 7 so that the other end of the diagonal strut 5 is conveniently fixed at a predetermined position. The diagonal bracing strut 5 can adopt a length-adjustable strut in the prior art, which is not described herein, and aims to adjust the angle of the diagonal bracing, after the angle is changed, the distance between the fulcrum on the prefabricated bottom plate 3 and the connection point on the post 7 is changed, the length of the diagonal bracing strut 5 needs to be adjusted or the connection point position of the diagonal bracing strut 5 on the post 7 is changed, the post 7 is usually vertically driven, so that the vertical height of the other end of the diagonal bracing strut 5 needs to be adjusted, the Chinese patent application CN202320017149.5 already discloses an adjusting structure and method of the diagonal bracing strut in the height, and other adjusting modes of the prior art can be adopted, which are not described herein.
In the above embodiment, referring to fig. 2, the present embodiment further includes an anchor pile 9, where the anchor pile 9 is disposed in the soil body 1 outside the foundation pit, and the anchor pile 9 is connected with the post 7 through a pull rod 901 or a pull rope, so that the present embodiment strengthens the supporting structure, and is suitable for supporting the foundation pit with higher requirements.
In the above-described embodiment, referring to fig. 5 and 6, pile 7 includes shaft 701 and shaft 702, and shaft 701 and shaft 702 are detachably connected. Fig. 5 and 6 respectively show two embodiments of connection, in the first embodiment, referring to fig. 5, a cylindrical connecting member 703 is fixed at one end of the pile body 702, and a mating connecting hole 704 is provided at one end of the pile body 701; or one end connected with the column body 701 is fixed with a cylindrical connecting piece 703, and one end connected with the pile body 702 is provided with a matched connecting hole 704; the connecting hole 704 is in threaded connection with the cylindrical connecting piece 703, the protection sleeve 705 is fixed on the outer side of the connecting part of the column body 701 and the pile body 702, and the protection sleeve 705 is in threaded connection with the connecting end of the column body 701 and the pile body 702. In the second embodiment, referring to fig. 6, a fixing plate 706 is fixedly connected to one end of a pile body 702 and a pile body 701, and a fixing hole is formed in the fixing plate 706, so that a bolt passes through the fixing hole to fix the fixing plate 706 together by using a nut 4. During construction, the pile cap can be arranged at one connecting end of the pile body 702, the pile body 702 is driven into the soil body 1 by a pile driver or a pile driver, and then the pile body 701 is connected with the pile body 702. When the foundation pit construction is completed and the foundation pit supporting structure is removed, the foundation pile 2 and the pile body 702 can be left in the soil body 1 and can be pulled out, and the prefabricated bottom plate 3, the diagonal bracing support rods 5 and the column body 701 can be rapidly detached.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (9)
1. The utility model provides a foundation ditch bracing supporting construction, includes bracing basis and bracing branch, and bracing branch is fixed on bracing basis, its characterized in that: the diagonal bracing foundation comprises a prefabricated bottom plate and foundation piles, the foundation piles and the prefabricated bottom plate are detachably fixed, and the foundation piles and the prefabricated bottom plate form a composite pile foundation so that soil among piles and the foundation piles bear together.
2. The foundation pit diagonal bracing supporting structure according to claim 1, wherein: the diagonal bracing foundation comprises a plurality of foundation piles which are arranged at equal intervals, and the foundation piles are short piles.
3. A foundation pit diagonal bracing supporting structure according to claim 1 or 2, wherein: the prefabricated bottom plate is provided with studs, the bottoms of the diagonal bracing struts are connected with the connecting bottom plate, the connecting bottom plate is provided with a plurality of through holes, and the studs penetrate through the connecting bottom plate and are fixed by nuts.
4. A foundation pit diagonal bracing supporting structure according to claim 3, wherein: the prefabricated bottom plate is provided with a plurality of groups of studs at equal intervals, the bottom of the diagonal bracing support rod is hinged with the connecting bottom plate, and the connecting bottom plate is connected with studs at different positions to adjust the position of the bottom of the diagonal bracing support rod on the connecting bottom plate.
5. The foundation pit diagonal bracing supporting structure according to claim 4, wherein: the inclined support rod is a length-adjustable support rod or the other end of the inclined support rod is adjustable in vertical height.
6. The foundation pit diagonal bracing supporting structure according to claim 5, wherein: the soil retaining device further comprises a column pile, wherein a soil retaining plate is arranged on one side, facing the soil body, of the column pile, and the other end of the diagonal bracing supporting rod is fixed on the column pile.
7. The foundation pit diagonal bracing supporting structure according to claim 6, wherein: the foundation pit is characterized by further comprising an anchor pile, wherein the anchor pile is arranged in the soil outside the foundation pit and is connected with the column pile through a pull rod or a pull rope.
8. The foundation pit diagonal bracing supporting structure according to claim 6, wherein: the pile comprises a pile body and a pile body, and the pile body are detachably connected.
9. The foundation pit diagonal bracing supporting structure according to claim 8, wherein:
One end of the pile body is connected with a fixed cylindrical connecting piece, and one end of the pile body is connected with a matched connecting hole; or one end of the column body connected is fixed with a cylindrical connecting piece, and one end of the pile body connected is provided with a matched connecting hole; the connecting hole is in threaded connection with the cylindrical connecting piece, and a protective sleeve is fixed on the outer side of the connecting part of the column body and the pile body;
Or the pile body and the pile body are fixedly connected with a fixing plate at one connecting end, the fixing plate is provided with a matched fixing hole, and the bolt penetrates through the fixing hole to fix the fixing part together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322376741.7U CN221095146U (en) | 2023-09-02 | 2023-09-02 | Foundation pit diagonal bracing supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322376741.7U CN221095146U (en) | 2023-09-02 | 2023-09-02 | Foundation pit diagonal bracing supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221095146U true CN221095146U (en) | 2024-06-07 |
Family
ID=91312475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322376741.7U Active CN221095146U (en) | 2023-09-02 | 2023-09-02 | Foundation pit diagonal bracing supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221095146U (en) |
-
2023
- 2023-09-02 CN CN202322376741.7U patent/CN221095146U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210315639U (en) | Accurate positioning auxiliary structure of major diameter steel core concrete column socket joint formula column base | |
| WO2010121519A1 (en) | Inner support pile for supporting sinking well structure during construction | |
| CN212613769U (en) | Outer wall formwork reinforcing bracket at connecting position of shear wall floors | |
| CN114319417B (en) | Barrel-shaped assembled wind power tower barrel foundation and construction method thereof | |
| CN221095146U (en) | Foundation pit diagonal bracing supporting structure | |
| CN1260425A (en) | Making method for reinforced concrete stiff-core cement soil composite pile and its pile and construction equipment | |
| CN207244633U (en) | Brick retaining wall steel bar girder hardened system on foundation pit enclosure top beam | |
| CN212866013U (en) | Detachable support column base | |
| CN211735364U (en) | Prefabricated assembly type dado manual hole digging pile | |
| CN211596427U (en) | Pier top assembly type triangular bracket | |
| CN210216491U (en) | Easily build formula tower crane foundation structure | |
| CN210439163U (en) | Diagonal joist supporting structure applicable to assembly and disassembly of continuous beam | |
| CN209742342U (en) | Climbing formula scaffold frame support increases subassembly | |
| CN214614158U (en) | Assembled building foundation | |
| CN219592300U (en) | Pile foundation photovoltaic support | |
| CN213329146U (en) | Ground foundation reinforcing apparatus | |
| CN219992883U (en) | Novel steel structure column | |
| CN206396764U (en) | A kind of supporting pile column of deep basal pit | |
| CN215926949U (en) | Steel leaning tower force rod type support structure system | |
| CN214460481U (en) | Foundation pit supporting structure | |
| CN218933149U (en) | SMW construction method pile structure | |
| CN214783985U (en) | A excavation supporting for among municipal works foundation ditch | |
| CN214459682U (en) | Suspended friction counter-force template supporting system | |
| CN114086595B (en) | Tower crane foundation and stabilizing process thereof | |
| CN220954926U (en) | Mounting seat for electric power iron tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |