CN114809006A - Deep foundation pit supporting structure capable of preventing deformation - Google Patents
Deep foundation pit supporting structure capable of preventing deformation Download PDFInfo
- Publication number
- CN114809006A CN114809006A CN202210432442.8A CN202210432442A CN114809006A CN 114809006 A CN114809006 A CN 114809006A CN 202210432442 A CN202210432442 A CN 202210432442A CN 114809006 A CN114809006 A CN 114809006A
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- fixing
- groove
- plate
- foundation pit
- deep foundation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model provides a prevent deep basal pit supporting construction of deformation, includes deep basal pit lateral wall (1), fixing base (2), inserts solid subassembly, fixed establishment, its characterized in that: deep basal pit lateral wall (1) is by having laid geogrid, back up coat and barrier layer in proper order, the inside of fixing base (2) is provided with a plurality of solid subassemblies of inserting, insert solid subassembly including inserting the post, the left end of fixing base is provided with the sliding tray, fixed establishment includes second card post, the inside of first protruding type piece (8) is provided with the spout, and the inside of spout slides and is provided with the slider, and the right-hand member of slider is connected with compression spring, the right-hand member and the slider of second card post (16). The deformation-preventing deep foundation pit supporting structure has the advantages that the foundation pit supporting structure is simple, construction is convenient, corresponding adjustment can be carried out according to the angle of the side wall of the deep foundation pit, the supporting structure is prevented from being extruded and inclined, and the supporting stability of the deep foundation pit is improved.
Description
Technical Field
The invention relates to the technical field of foundation pit supporting, in particular to a deep foundation pit supporting structure capable of preventing deformation.
Background
The foundation pit inevitably causes deformation of surrounding soil bodies in the excavation process, influences surrounding buildings and underground pipelines, seriously endangers normal use or safety of the foundation pit, and in order to avoid the condition, a supporting structure is added in deep foundation design and pit construction to stabilize the safety of the foundation pit.
Chinese patent CN202020126578.2 discloses a prevent deep basal pit supporting construction of deformation, including setting up the L shape curb plate in deep basal pit, be fixed in supporting seat and the bearing diagonal pole on the bottom surface in the deep basal pit, the lateral wall and the supporting seat top that the deep basal pit inside wall was kept away from with the L shape curb plate respectively at the bearing diagonal pole both ends are connected, it is when using, support vertical foundation ditch through L type curb plate, because the lateral wall of some foundation ditches is the slope, it is not convenient for adjust the angle of L type curb plate, be not convenient for carry out corresponding regulation according to the inclination of foundation ditch, the limitation that leads to its use is higher.
The known deep foundation pit supporting construction methods thus suffer from the inconveniences and problems described above.
Disclosure of Invention
The invention aims to provide a safe and reliable deep foundation pit supporting structure capable of preventing deformation.
In order to achieve the purpose, the technical solution of the invention is as follows:
a deep foundation pit supporting structure capable of preventing deformation comprises a deep foundation pit side wall and a fixing seat, wherein a plurality of inserting and fixing components are arranged inside the fixing seat, the inserting and fixing components are all inserted into the deep foundation pit side wall, the left end of the fixing seat is rotatably connected with a supporting plate, the left side of the top end of the fixing seat is fixedly connected with a fixing plate, the inner portion of the fixing plate is in threaded connection with a plurality of adjusting screws, the left end of each adjusting screw is rotatably connected with a connecting seat, the right end of each connecting seat is rotatably connected with a top plate, the right end of each adjusting screw is fixedly connected with a rotating handle, the outer side wall of each rotating handle is uniformly provided with a plurality of first clamping grooves, the right end of the fixing plate, which is positioned on the upper side of each adjusting screw, is provided with a first convex groove, a first convex block is slidably arranged inside the first convex groove, the first convex block is connected with the fixing plate through a fixing mechanism, and the right end of the first convex block is fixedly connected with a positioning plate, the bottom of locating plate is provided with the protruding type groove of second, and the inside in the protruding type groove of second slides and is provided with the protruding type piece of second, and the first card post of bottom fixedly connected with of the protruding type piece of second, the bottom of first card post insert to the inside that is located the first draw-in groove of upside, and the top of locating plate is provided with the first bar groove with the protruding type groove intercommunication of second, and the inside in first bar groove slides and is provided with the push rod, the bottom of push rod and the top fixed connection of the protruding type piece of second.
Preferably, insert solid subassembly including inserting the post, the left end of fixing base is provided with the sliding tray, insert post and sliding tray sliding fit, the top of fixing base is provided with the second bar groove with the sliding tray intercommunication, and the inside in second bar groove slides and is provided with the piece of strikeing, the bottom of strikeing the piece and the top right side fixed connection who inserts the post, and the upside threaded connection that the top of fixed plate is located the sliding tray has the fixed screw, and the top right side of inserting the post is provided with the fixed orifices, and the bottom of fixed screw inserts to the inside of fixed orifices.
Further, fixed establishment includes the second card post, the inside of first protruding type piece is provided with the spout, and the inside slip of spout is provided with the slider, and the right-hand member of slider is connected with compression spring, the right-hand member of second card post and the left end fixed connection of slider, the left end of second card post extend to the left side of first protruding type piece, and the left end of first protruding type groove evenly is provided with a plurality of second draw-in grooves with second card post looks adaptation, and the top of first protruding type piece is provided with the third bar groove with the spout intercommunication, and the inside slip in third bar groove is provided with the ejector pad, the bottom of ejector pad and the top fixed connection of slider.
Still further, the top of backup pad rotates and is connected with the water-stop sheet, and the top right side fixedly connected with breakwater of water-stop sheet.
According to a further scheme, the right end of the fixing plate is fixedly connected with a plurality of rib plates and a plurality of supporting columns, and the bottom ends of the rib plates and the supporting columns are fixedly connected with the top end of the fixing seat.
On the basis of the scheme, the geogrid, the reinforcing layer and the impermeable layer are sequentially paved on the side wall of the deep foundation pit from left to right.
After the technical scheme is adopted, the deformation-preventing deep foundation pit supporting structure has the following advantages:
1. the foundation pit supporting structure is simple and convenient to construct;
2. the supporting plate is rotatably connected with the fixing seat, the top plate is moved to the left side by rotating the adjusting screw rod, the top plate pushes the supporting plate to rotate, so that the side end of the supporting plate is contacted and abutted against the side end of the deep foundation pit, corresponding adjustment can be performed according to the angle of the side wall of the deep foundation pit, and the side ends of the deep foundation pits at different angles can be supported conveniently;
3. through inserting solid mechanism and can making fixing base and deep basal pit lateral wall firm connection, avoid supporting construction to receive the extrusion slope, improve the stability to deep basal pit support.
Drawings
FIG. 1 is a schematic view of a deep foundation pit supporting structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A;
fig. 4 is a schematic view of the enlarged structure of the portion B in fig. 2 according to the present invention.
In the figure: 1. the side wall of the deep foundation pit; 2. a fixed seat; 3. a support plate; 4. a fixing plate; 5. adjusting the screw rod; 6. a top plate; 7. turning a handle; 8. a first male block; 9. positioning a plate; 10. a second male block; 11. a first clamp post; 12. a push rod; 13. inserting a column; 14. knocking the block; 15. fixing screws; 16. a second clamping column; 17. a slider; 18. a compression spring; 19. a push block; 20. a water-stop sheet; 21. a water baffle; 22. a rib plate; 23. a support column; 24. a geogrid; 25. a reinforcement layer; 26. and (4) an impermeable layer.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
Referring to fig. 1-4, the deformation-preventing deep foundation pit supporting structure of the invention comprises a deep foundation pit side wall 1 and a fixed seat 2, wherein the deep foundation pit side wall 1 is sequentially paved with a geogrid 24, a reinforcing layer 25 and an impermeable layer 26 from left to right to prevent moisture in the inner side wall of the deep foundation pit from permeating into the deep foundation pit and ensure smooth construction in the deep foundation pit, the fixed seat 2 is internally provided with a plurality of inserting and fixing components which are all inserted into the deep foundation pit side wall 1, the fixed seat 2 can be stably connected with the deep foundation pit side wall 1 through an inserting and fixing mechanism to prevent the supporting structure from being extruded and inclined, the stability of supporting the deep foundation pit is improved, the left end of the fixed seat 2 is rotatably connected with a supporting plate 3, the top end of the supporting plate 3 is rotatably connected with a water stop plate 20, the right side of the top end of the water stop plate 20 is fixedly connected with a water stop plate 21, and water at the top of the deep foundation pit is prevented from permeating into the inner side end of the deep foundation pit through the water stop plate 20, the water baffle plate 21 is used for preventing water from flowing to the inside of a deep foundation pit, the water baffle plate 20 and the fixed seat 2 are fixed inside the deep foundation pit through ground nails, the left side of the top end of the fixed seat 2 is fixedly connected with a fixed plate 4, the right end of the fixed plate 4 is fixedly connected with a plurality of rib plates 22 and a plurality of support columns 23, the bottom ends of the rib plates 22 and the support columns 23 are fixedly connected with the top end of the fixed seat 2, the stability of the fixed plate 4 is improved, the inner thread of the fixed plate 4 is connected with a plurality of adjusting screw rods 5, the left end of each adjusting screw rod 5 is rotatably connected with a connecting seat, the right end of each connecting seat is rotatably connected with a top plate 6, the right end of each adjusting screw rod 5 is fixedly connected with a rotating handle 7, the outer side wall of the rotating handle 7 is uniformly provided with a plurality of first clamping grooves, the right end of the fixed plate 4 is positioned on the upper side of the adjusting screw rods 5 and is provided with a first convex groove, and a first convex block 8 is arranged inside the first convex groove in a sliding manner, the first convex block 8 is connected with the fixed plate 4 through a fixing mechanism, the right end of the first convex block 8 is fixedly connected with a positioning plate 9, the bottom end of the positioning plate 9 is provided with a second convex groove, the inside of the second convex groove is provided with a second convex block 10 in a sliding manner, the bottom end of the second convex block 10 is fixedly connected with a first clamping column 11, the bottom end of the first clamping column 11 is inserted into the inside of the first clamping groove positioned on the upper side, the top end of the positioning plate 9 is provided with a first strip-shaped groove communicated with the second convex groove, the inside of the first strip-shaped groove is provided with a push rod 12 in a sliding manner, the bottom end of the push rod 12 is fixedly connected with the top end of the second convex block 10, the second convex block 10 is pushed by the push rod 12 to slide in the inside of the second convex groove, so that the first clamping column 11 is moved to the upper side of the first convex groove, then the first clamping column 11 is inserted into the inside of the first clamping groove, the rotating handle 7 is fixed and is rotatably connected with the fixed seat 2 through the supporting plate 3, simultaneously through rotating adjusting screw 5 and making roof 6 remove to the left side, roof 6 promotes backup pad 3 and rotates, makes the side of backup pad 3 and deep basal pit side contact and support tightly, can carry out corresponding regulation according to the angle of deep basal pit lateral wall 1, is convenient for support the deep basal pit side of different angles, has reduced the limitation of its use.
It should be further noted that the inserting and fixing assembly includes an inserting column 13, a sliding groove is arranged at the left end of the fixing base 2, the inserting column 13 is in sliding fit with the sliding groove, a second strip-shaped groove communicated with the sliding groove is arranged at the top end of the fixing base 2, a knocking block 14 is arranged inside the second strip-shaped groove in a sliding manner, the bottom end of the knocking block 14 is fixedly connected with the right side of the top end of the inserting column 13, a fixing screw 15 is connected to the upper side of the sliding groove at the top end of the fixing plate 4 in a threaded manner, a fixing hole is arranged at the right side of the top end of the inserting column 13, the bottom end of the fixing screw 15 is inserted into the fixing hole, the knocking block 14 is knocked by an iron hammer, the knocking block 14 and the inserting column 13 are moved to the left side, the inserting column 13 is inserted into the deep foundation pit side, when the knocking block 14 is moved to the leftmost side of the second strip-shaped groove, the inserting column 13 is screwed into the deep foundation pit side, the supporting structure is prevented from being extruded and inclined.
It should be further noted that the fixing mechanism includes a second clamping column 16, a sliding slot is arranged inside the first convex block 8, a sliding block 17 is slidably arranged inside the sliding slot, a compression spring 18 is connected to the right end of the sliding block 17, the right end of the second clamping column 16 is fixedly connected to the left end of the sliding block 17, the left end of the second clamping column 16 extends to the left side of the first convex block 8, a plurality of second clamping slots matched with the second clamping column 16 are uniformly arranged at the left end of the first convex slot, a third strip-shaped slot communicated with the sliding slot is arranged at the top end of the first convex block 8, a pushing block 19 is slidably arranged inside the third strip-shaped slot, the bottom end of the pushing block 19 is fixedly connected to the top end of the sliding block 17, the second clamping column 16 is separated from the second clamping slot by pulling the pushing block 19, then the positioning plate 9 and the first convex block 8 are pushed to move upwards, the first clamping column 11 is separated from the first clamping slot, and the convex block and the positioning plate 9 are moved to the upper side, loosening the push block 19, pushing the second clamping column 16 to be inserted into the second clamping groove through the compression spring 18, fixing the first convex block 8, increasing the distance between the positioning plate 9 and the rotating handle 7, facilitating the rotation of the rotating handle 7, after supporting is completed, separating the second clamping column 16 from the second clamping groove through pulling the push block 19, then pushing the positioning plate 9 and the first convex block 8 to move downwards, enabling the positioning plate 9 to move to the lowest side, enabling the first clamping column 11 to be inserted into the first clamping groove on the upper side, fixing the rotating handle 7, avoiding the rotation of the rotating handle 7, and improving the stability of supporting the side end of the deep foundation pit.
When the deformation-preventing deep foundation pit supporting structure is used, the bottom side of the deep foundation pit side end of the fixing seat 2 is pulled through the ground nail, the push block 19 is pulled to separate the second clamping column 16 from the second clamping groove, then the positioning plate 9 and the first convex block 8 are pushed to move upwards to separate the first clamping column 11 from the first clamping groove, the convex block and the positioning plate 9 are moved to the upper side, the push block 19 is loosened, the second clamping column 16 is pushed to be inserted into the second clamping groove through the compression spring 18 to fix the first convex block 8, the adjusting screw 5 is rotated to move the top plate 6 to the left side, the top plate 6 pushes the supporting plate 3 to rotate, the side end of the supporting plate 3 is contacted and tightly abutted against the side end of the deep foundation pit, then the positions of the second convex block 10 and the first clamping column 11 are adjusted through the push rod 12, the first clamping column 11 is moved to be right above the first clamping groove, then the push block 19 is pulled to separate the second clamping column 16 from the second clamping groove, then promote locating plate 9 and first protruding type piece 8 and remove downwards, make locating plate 9 move to the downside most, make first card post 11 insert to the inside that is located the first draw-in groove of upside, it is fixed to counter rotating handle 7, strike piece 14 through the hammer, and make and strike piece 14 and insert post 13 and remove to the left side, make and insert post 13 and insert the inside to the deep basal pit side, when striking piece 14 and move to the leftmost side in second strip groove, screw fastening fixing screw 15 fixes inserting post 13, then rotate water-stop sheet 20, make water-stop sheet 20 rotatory to the inside at deep basal pit side top, then fix water-stop sheet 20 through the ground nail, thereby accomplish the installation to supporting construction.
Compared with the prior art, the deformation-preventing deep foundation pit supporting structure has the advantages that the supporting plate is rotatably connected with the fixing seat, the top plate is moved to the left side by rotating the adjusting screw rod, the top plate pushes the supporting plate to rotate, the side end of the supporting plate is in contact with and abutted against the side end of the deep foundation pit, corresponding adjustment can be performed according to the angle of the side wall of the deep foundation pit, the side ends of the deep foundation pits with different angles can be conveniently supported, and the use limitation of the deformation-preventing deep foundation pit supporting structure is reduced. Through inserting solid mechanism and can making fixing base and deep basal pit lateral wall firm connection, avoid supporting construction to receive the extrusion slope, improve the stability to deep basal pit support.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (3)
1. The utility model provides a prevent deep basal pit supporting construction of deformation, includes deep basal pit lateral wall (1), fixing base (2), inserts solid subassembly, fixed establishment, its characterized in that:
the side wall (1) of the deep foundation pit is sequentially paved with a geogrid (24), a reinforcing layer (25) and an impermeable layer (26);
the deep foundation pit fixing device is characterized in that a plurality of inserting and fixing components are arranged inside the fixing seat (2), the inserting and fixing components are inserted into the deep foundation pit side wall (1), the left end of the fixing seat (2) is rotatably connected with a supporting plate (3), the left side of the top end of the fixing seat (2) is fixedly connected with a fixing plate (4), the inner portion of the fixing plate (4) is in threaded connection with a plurality of adjusting screws (5), the left end of each adjusting screw (5) is rotatably connected with a connecting seat, the right end of each connecting seat is rotatably connected with a top plate (6), the right end of each adjusting screw (5) is fixedly connected with a rotating handle (7), the outer side wall of each rotating handle (7) is uniformly provided with a plurality of first clamping grooves, the right end of the fixing plate (4) is positioned on the upper side of each adjusting screw (5) and is provided with a first convex groove, a first convex block (8) is arranged inside the first convex groove in a sliding mode, and the first convex block (8) is connected with the fixing plate (4) through a fixing mechanism, the right end of the first convex block (8) is fixedly connected with a positioning plate (9), the bottom end of the positioning plate (9) is provided with a second convex groove, a second convex block (10) is arranged in the second convex groove in a sliding mode, the bottom end of the second convex block (10) is fixedly connected with a first clamping column (11), the bottom end of the first clamping column (11) is inserted into the first clamping groove on the upper side, the top end of the positioning plate (9) is provided with a first strip-shaped groove communicated with the second convex groove, a push rod (12) is arranged in the first strip-shaped groove in a sliding mode, and the bottom end of the push rod (12) is fixedly connected with the top end of the second convex block (10);
the inserting and fixing assembly comprises an inserting column (13), a sliding groove is formed in the left end of the fixing seat (2), the inserting column (13) is in sliding fit with the sliding groove, a second strip-shaped groove communicated with the sliding groove is formed in the top end of the fixing seat (2), a knocking block (14) is arranged in the second strip-shaped groove in a sliding mode, the bottom end of the knocking block (14) is fixedly connected with the right side of the top end of the inserting column (13), a fixing screw (15) is connected to the top end of the fixing plate (4) on the upper side of the sliding groove in a threaded mode, a fixing hole is formed in the right side of the top end of the inserting column (13), and the bottom end of the fixing screw (15) is inserted into the fixing hole;
fixed establishment includes second card post (16), the inside of first protruding type piece (8) is provided with the spout, and the inside slip of spout is provided with slider (17), and the right-hand member of slider (17) is connected with compression spring (18), the right-hand member of second card post (16) and the left end fixed connection of slider (17), the left end of second card post (16) extend to the left side of first protruding type piece (8), and the left end in first protruding type groove evenly is provided with a plurality of and the second draw-in groove of second card post (16) looks adaptation, and the top of first protruding type piece (8) is provided with the third bar groove with the spout intercommunication, and the inside slip in third bar groove is provided with ejector pad (19), the bottom of ejector pad (19) and the top fixed connection of slider (17).
2. The deformation-preventing deep foundation pit supporting structure according to claim 1, wherein a water-stop plate (20) is rotatably connected to the top end of the supporting plate (3), and a water-stop plate (21) is fixedly connected to the right side of the top end of the water-stop plate (20).
3. The deep foundation pit supporting structure for preventing deformation according to claim 1, wherein the right end of the fixing plate (4) is fixedly connected with a plurality of rib plates (22) and a plurality of supporting columns (23), and the bottom ends of the plurality of rib plates (22) and the plurality of supporting columns (23) are fixedly connected with the top end of the fixing base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210432442.8A CN114809006B (en) | 2022-04-23 | 2022-04-23 | Deep foundation pit supporting structure capable of preventing deformation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210432442.8A CN114809006B (en) | 2022-04-23 | 2022-04-23 | Deep foundation pit supporting structure capable of preventing deformation |
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| CN114809006A true CN114809006A (en) | 2022-07-29 |
| CN114809006B CN114809006B (en) | 2023-05-23 |
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| 冷坤卓: "高层建筑深基坑支护施工管理分析", 《民营科技》 * |
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