CN212865954U - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
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- CN212865954U CN212865954U CN202021498986.7U CN202021498986U CN212865954U CN 212865954 U CN212865954 U CN 212865954U CN 202021498986 U CN202021498986 U CN 202021498986U CN 212865954 U CN212865954 U CN 212865954U
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- foundation pit
- screw
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- plate
- supporting
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 74
- 238000010276 construction Methods 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract description 2
- 239000011440 grout Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
When the green energy-saving building construction is carried out, a foundation pit is usually dug to ensure the smooth operation of precipitation and construction. In order to prevent the earth around the foundation pit from collapsing after the foundation pit is excavated, a supporting structure is usually arranged in the foundation pit. The utility model relates to a foundation ditch supporting construction, it includes that circumference sets up at a plurality of square piles of foundation ditch inboard, installs wall strutting arrangement and corner brace device on the square pile, the wall strutting arrangement is used for strutting the foundation ditch inner wall, the corner brace device is used for strutting the corner of foundation ditch. This application has the advantage of strengthening the excavation supporting effect.
Description
Technical Field
The application relates to the field of foundation pit supporting engineering, in particular to a foundation pit supporting structure.
Background
With the development of economy and science and technology, the concept of energy conservation is more and more keen. More and more green energy-saving buildings are beginning to emerge to meet the requirements of sustainable development. When the green energy-saving building construction is carried out, a foundation pit is usually dug to ensure the smooth operation of precipitation and construction. In order to prevent the earth around the foundation pit from collapsing after the foundation pit is excavated, a supporting structure is usually arranged in the foundation pit.
The existing foundation pit supporting mode is generally to firstly drive column piles along the edge of a foundation pit, then arrange retaining plates on the inner sides of the column piles and support the retaining plates by inclined struts.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the column piles are arranged at the edge of the foundation pit, gaps still exist between the column piles, earthwork in the foundation pit may collapse from the gaps between the column piles, and the foundation pit is difficult to be supported comprehensively.
SUMMERY OF THE UTILITY MODEL
In order to improve the effect of strutting the foundation ditch, this application provides a foundation ditch supporting construction.
The application provides a foundation ditch supporting construction adopts following technical scheme:
the utility model provides a foundation pit supporting structure, includes that circumference sets up a plurality of square piles at the foundation ditch inboard, foundation pit supporting structure is still including installing wall strutting arrangement on the square pile, wall strutting arrangement is including installing prop up the backplate on the square pile and installing support on the backplate and press the subassembly, the both ends of propping up the backplate are installed respectively two adjacent on the square pile, prop up and seted up the through-hole on the backplate, support and press the subassembly including wearing to locate screw in spare in the through-hole and installing support the clamp plate on the screw in spare, in the lateral wall of screw in spare screw in foundation ditch, support the clamp plate support press in one side that the foundation ditch was kept away from to a backplate, the screw in spare has the cavity, a plurality of groups grout hole has still been seted up on the screw in spare, grout hole intercommunication the cavity.
Through adopting above-mentioned technical scheme, will the screw in spare passes through behind the lateral wall of through-hole screw in foundation ditch, again to the concrete thick liquid is poured into to the screw in spare, just can will after the concrete thick liquid solidifies the screw in spare is fixed in the lateral wall of foundation ditch, and the installation supports the clamp plate afterwards on the screw in spare, support the clamp plate support press on one side that the foundation ditch was kept away from to the backplate, it just can be right to support the clamp plate and apply a pressure of supporting that is close to the foundation ditch to increase the proof strength of propping up the backplate, then reduce the emergence of the cubic metre of earth emergence collapse condition in the foundation ditch lateral wall, consequently the excavation supporting structure can carry out effectual strut to the lateral wall of foundation ditch.
Preferably, a plurality of groups of grouting holes are arranged along the length direction of the screw-in piece, and each group of grouting holes are arranged along the axial direction of the screw-in piece.
Through adopting above-mentioned technical scheme, through set up a plurality of grout holes on the screw in piece, make grouting speed faster then, the grout effect is more stable.
Preferably, a reinforcing sheet is fixedly arranged on the outer contour of the screwing-in piece, and the reinforcing sheet is in a spiral sheet shape.
By adopting the technical scheme, the reinforcing sheet is arranged on the screw-in piece, the reinforcing sheet can play a role in guiding the screw-in piece during screw-in, so that the screw-in of the screw-in piece is convenient.
Preferably, the pressing plate is connected to the screwing member in a threaded manner.
By adopting the technical scheme, the pressing plate and the screw-in piece are detachably connected in a threaded connection mode, the pressing plate can be detached from the screw-in piece to be recycled after the pressing assembly is used, and in addition, the combination strength of the threaded connection is higher, so that the supporting plate can be more firmly connected to the screw-in piece, and the structural strength of the foundation pit supporting structure is further improved.
Preferably, the foundation ditch supporting construction still includes the angle brace device, two the square pile is located the foundation ditch corner, the angle brace device is including installing respectively two mounting panel on the square pile and support to press two bracing piece between the mounting panel, install respectively two at the both ends of bracing piece on the mounting panel.
Through adopting above-mentioned technical scheme, make the underground structure not only can strut the lateral wall of foundation ditch, can also strut the corner of foundation ditch, then improves underground structure's job stabilization nature.
Preferably, two all install first articulated seat on the mounting panel, the both ends of bracing piece articulate respectively two on the mounting panel on the first articulated seat.
By adopting the technical scheme, the supporting rod is hinged to the first hinge base, so that the supporting rod can be conveniently adapted to angles of different foundation pit corners, and the applicability of the foundation pit supporting structure is further improved.
Preferably, the number of the first hinged seats on the two mounting plates is at least two, and the first hinged seats of each mounting plate are arranged at intervals along the length direction of the mounting plate.
Through adopting above-mentioned technical scheme, through setting up a plurality of articulated seats in order to increase the support intensity of corner brace device.
Preferably, the angle brace device further comprises a diagonal brace assembly installed on the installation plate, the diagonal brace assembly comprises a second hinged seat and a diagonal brace, the second hinged seat is installed on the installation plate, one end of the diagonal brace is hinged to the second hinged seat, and the other end of the diagonal brace is abutted to the basal pit surface.
Through adopting above-mentioned technical scheme, through the below installation bracing subassembly of mounting panel makes the bracing subassembly can be right the square pile provides a holding power, then improves foundation ditch supporting construction's support intensity and job stabilization nature.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the wall supporting device on the inner side of the foundation pit, gaps between the square piles are filled by the supporting and protecting plates, so that the foundation pit supporting structure can effectively support the inner wall of the foundation pit;
2. the foundation pit supporting structure further comprises an angle brace device for supporting the corner of the foundation pit, and then the supporting effect and the structural strength of the foundation pit supporting structure are improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is an exploded view of the wall bracing apparatus of FIG. 1;
FIG. 3 is a schematic view of the construction of the corner brace apparatus of FIG. 1;
fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
Description of reference numerals: 1. square piles; 2. a wall bracing means; 21. supporting the guard plate; 22. a pressing component; 221. pressing the plate; 222. a screw-in member; 2221. a cavity; 2222. grouting holes; 2223. a reinforcing sheet; 3. a corner brace device; 31. mounting a plate; 32. a gusset assembly; 321. a first hinge mount; 322. a support bar; 3221. a first hinge portion; 3222. a threaded connection; 3223. a second hinge portion; 33. a diagonal bracing assembly; 331. a second hinge mount; 332. a diagonal brace; 4. and (6) foundation pit.
Detailed Description
The present application is described in further detail below with reference to figures 1-4. The embodiment of the application discloses a foundation ditch supporting construction. Referring to fig. 1, a foundation pit supporting structure is installed in a foundation pit 4, and the foundation pit supporting structure comprises a plurality of square piles 1 circumferentially arranged in the foundation pit 4, wall bracing devices 2 installed on the square piles 1, and corner bracing devices 3 installed on the square piles 1.
Referring to fig. 1, a square pile 1 is located inside a side wall, an axis of the square pile 1 is vertically arranged to have an upper end and a lower end, the upper end of the square pile 1 is substantially rectangular, and the lower end of the square pile 1 is substantially quadrangular pyramid shaped to facilitate pile sinking into a foundation pit 4. In the present embodiment, the horizontal section of the foundation pit 4 is substantially square to have an inner side and a corner, and three square piles 1 are installed on each inner side of the foundation pit 4, that is, twelve square piles 1 are installed in the foundation pit 4. In three square piles 1 on one side of a foundation pit 4, a wall supporting device 2 is installed between two adjacent square piles 1, and the wall supporting device 2 comprises a supporting and protecting plate 21 installed on the square piles 1 and a pressing component 22 installed on the supporting and protecting plate 21. Specifically, the supporting and protecting plate 21 has a substantially rectangular parallelepiped shape, one end of the supporting and protecting plate 21 is attached to one of the square piles 1, and the other end of the supporting and protecting plate 21 is attached to the other square pile 1. Therefore, the support and protection plate 21 can be fixed on the inner side of the foundation pit 4, when the earthwork in the foundation pit 4 is to be deformed, a part of the earthwork in the foundation pit 4 is pressed against the support and protection plate 21, and the support and protection plate 21 can block the earthwork in the foundation pit 4.
With continued reference to fig. 1 and 2, the purpose of the biasing assembly 22 is to enhance the bracing effect of the bracing plate 21. Specifically, the supporting plate 21 has a through hole penetrating along the length direction thereof, and the pressing member 22 includes a screw member 222 that is screwed into the foundation pit 4 after passing through the through hole, and a pressing plate 221 mounted on the screw member 222. The screw-in member 222 is substantially cylindrical, one end of the screw-in member 222 has a spike portion for facilitating screwing in, and the other end of the screw-in member 222 has an external thread for matching with the pressing plate 221. The screw member 222 has a cavity 2221 therein, the screw member 222 is provided with a plurality of groups of grouting holes 2222, each group of grouting holes 2222 are circumferentially arranged along the outer contour of the screw member 222, the plurality of groups of grouting holes 2222 are arranged at intervals along the length direction of the screw member 222, and the grouting holes 2222 are communicated with the cavity 2221. The pressing plate 221 is substantially rectangular, one side of the pressing plate 221 close to the screwing member 222 is provided with an internal thread, and the pressing plate 221 is further provided with a handle for conveniently screwing the pressing plate 221 into the screwing member 222.
When the abutting assembly 22 is used, the screwing member 222 is screwed into the side wall of the foundation pit 4 through the through hole of the supporting plate 21, then concrete grout is poured into the screwing member 222, the concrete grout can flow into the side wall through the grouting hole 2222, then the concrete grout is solidified to fix the screwing member 222 in the side wall of the foundation pit 4, then the abutting plate 221 is installed in the screwing member 222, one side of the abutting plate 221 is abutted against the side, far away from the foundation pit 4, of the supporting plate 21, the abutting plate 221 provides a force, close to the direction of the foundation pit 4, for the supporting plate 21, and therefore the purpose of strengthening the supporting effect of the supporting plate 21 is achieved. In addition, the screw-in member 222 is further provided with a spiral sheet-shaped reinforcing piece 2223, so that the screw-in member 222 can be conveniently screwed into the foundation pit 4 on one hand, and the reinforcing piece 2223 helps to increase the contact area between the screw-in member 222 and the foundation pit 4 on the other hand.
Referring to fig. 3, the angle brace device 3 is provided to brace the corner of the foundation pit 4, thereby obtaining a better bracing effect. Specifically, the corner brace device 3 includes a mounting plate 31 mounted on the square pile 1, a corner brace assembly 32 mounted on the mounting plate 31, and a diagonal brace assembly 33 mounted on the mounting plate 31. Two square piles 1 are located the corner of foundation ditch 4, and equal threaded connection has mounting panel 31 in the one side of foundation ditch 4 is kept away from to two square piles 1, and mounting panel 31 is the cuboid type roughly, and mounting panel 31 can be with supporting board 21 integrated into one piece, and mounting panel 31 also can be dismantled with supporting board 21 and be connected. The angle brace assembly 32 comprises a plurality of first hinge seats 321 installed on the mounting plate 31 and support rods 322 hinged between the first hinge seats 321, the first hinge seats 321 are substantially U-shaped, the support rods 322 are substantially cylindrical, and the support rods 322 are hinged in the middle of the hinge seats. In this embodiment, a corner of foundation ditch 4 is provided with two mounting panels 31, all is provided with three first articulated seat 321 on each mounting panel 31, and two adjacent first articulated seats 321 correspond a bracing piece 322, and the one end of bracing piece 322 articulates in the first articulated seat 321 on one of them mounting panel 31, and the other end of bracing piece 322 articulates in the first articulated seat 321 on adjacent mounting panel 31, and bracing piece 322 has three, and the axis level of bracing piece 322 sets up.
With continued reference to fig. 3 and 4, the support rods 322 may be telescopic in length in order to allow the corner brace apparatus 3 to accommodate different angles of the corner of the foundation pit 4. Specifically, the supporting rod 322 is divided into a first hinge portion 3221, a screw connection portion 3222 rotatably disposed on the first hinge portion 3221, and a second hinge portion 3223 screw-connected to the screw connection portion 3222. The first hinge portion 3221 is hinged on the first hinge seat 321, and the second hinge portion 3223 is hinged on the other corresponding first hinge seat 321. Therefore, the distance between the second hinge portion 3223 and the first hinge portion 3221 can be adjusted by rotating the threaded connection portion 3222, so as to adjust the length of the supporting rod 322.
With continued reference to fig. 3, the gusset assembly 3 further includes a brace assembly 33. The diagonal brace assembly 33 includes a second hinge seat 331 and a diagonal brace 332 hinged on the second hinge seat 331. In this embodiment, each mounting plate 31 corresponds to two second hinge seats 331, one of the second hinge seats 331 is installed below the mounting plate 31, and the other second hinge seat 331 is installed at the bottom of the foundation pit 4. The inclined strut 332 is substantially in a cylinder shape, one end of the inclined strut 332 is hinged on the second hinge base 331, and the other end of the inclined strut 332 is hinged on the other second hinge base 331. Similar to the structure of the supporting rod 322, the inclined supporting rod 332 is a telescopic structure to obtain better supporting effect. Through setting up bracing subassembly 33 for bracing piece 332 can exert a holding power that is close to foundation ditch 4 to mounting panel 31 and square pile 1, makes supporting construction of foundation ditch have better supporting effect.
The implementation principle of the foundation pit supporting structure in the embodiment of the application is as follows: the method comprises the following steps of arranging a plurality of square piles 1 in the circumferential direction of the inner side of a foundation pit 4, then installing wall support devices 2 on the square piles 1 to support the side wall of the foundation pit 4, installing corner support devices 3 on the square piles 1 at corners to support the corners of the foundation pit 4, and supporting the foundation pit 4 by the wall support devices 2 and the corner support devices 3 together.
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 a foundation pit supporting structure, includes that circumference sets up a plurality of square piles (1) inboard in foundation ditch (4), its characterized in that: the foundation pit supporting structure further comprises a wall supporting device (2) arranged on the square pile (1), the wall supporting device (2) comprises a supporting plate (21) arranged on the square pile (1) and a pressing component (22) arranged on the supporting plate (21), two ends of the supporting plate (21) are respectively arranged on two adjacent square piles (1), a through hole is formed in the supporting plate (21), the pressing component (22) comprises a screw-in piece (222) penetrating through the through hole and a pressing plate (221) arranged on the screw-in piece (222), the screw-in piece (222) is screwed into the side wall of the foundation pit (4), the pressing plate (221) is pressed on one side, far away from the foundation pit (4), of the supporting plate (21), the screw-in piece (222) is provided with a cavity (2221), and a plurality of grouting holes (2222) are further formed in the screw-in piece (222), the grouting hole (2222) is communicated with the cavity (2221).
2. A foundation pit supporting construction according to claim 1, wherein: the grouting holes (2222) in a plurality of groups are arranged along the length direction of the screw-in piece (222), and each grouting hole (2222) in each group is arranged along the circumferential direction of the axis of the screw-in piece (222).
3. A foundation pit supporting construction according to claim 1, wherein: and a reinforcing sheet (2223) is fixedly arranged on the outer contour of the screw-in piece (222), and the reinforcing sheet (2223) is in a spiral sheet shape.
4. A foundation pit supporting construction according to claim 1, wherein: the pressing plate (221) is in threaded connection with the screwing piece (222).
5. A foundation pit supporting construction according to claim 1, wherein: foundation ditch supporting construction still includes corner brace device (3), two square pile (1) is located foundation ditch (4) corner, corner brace device (3) are including installing respectively two mounting panel (31) on square pile (1) and support and press two bracing piece (322) between mounting panel (31), install respectively two at the both ends of bracing piece (322) on mounting panel (31).
6. A foundation pit supporting construction according to claim 5, wherein: two all install first articulated seat (321) on mounting panel (31), the both ends of bracing piece (322) articulate respectively two on mounting panel (31) on first articulated seat (321).
7. A foundation pit supporting construction according to claim 6, wherein: the number of the first hinged seats (321) on the two mounting plates (31) is at least two, and each first hinged seat (321) of each mounting plate (31) is arranged at intervals along the length direction of the mounting plate (31).
8. A foundation pit supporting construction according to claim 5, wherein: the angle brace device (3) further comprises an inclined brace component (33) installed on the installation plate (31), the inclined brace component (33) comprises a second hinged seat (331) and an inclined brace (332), the second hinged seat (331) is installed on the installation plate (31), one end of the inclined brace (332) is hinged to the second hinged seat (331), and the other end of the inclined brace abuts against the surface of the foundation pit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021498986.7U CN212865954U (en) | 2020-07-25 | 2020-07-25 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021498986.7U CN212865954U (en) | 2020-07-25 | 2020-07-25 | Foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212865954U true CN212865954U (en) | 2021-04-02 |
Family
ID=75217440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021498986.7U Expired - Fee Related CN212865954U (en) | 2020-07-25 | 2020-07-25 | Foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212865954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482075A (en) * | 2022-03-08 | 2022-05-13 | 福建省茂宏建设工程有限公司 | Basement supporting structure and construction method thereof |
| CN114892726A (en) * | 2022-04-11 | 2022-08-12 | 北京京水建设集团有限公司 | Foundation pit supporting monitoring device |
-
2020
- 2020-07-25 CN CN202021498986.7U patent/CN212865954U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482075A (en) * | 2022-03-08 | 2022-05-13 | 福建省茂宏建设工程有限公司 | Basement supporting structure and construction method thereof |
| CN114892726A (en) * | 2022-04-11 | 2022-08-12 | 北京京水建设集团有限公司 | Foundation pit supporting monitoring device |
| CN114892726B (en) * | 2022-04-11 | 2024-01-05 | 北京京水建设集团有限公司 | Foundation pit supporting monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |