CN212388562U - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
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- CN212388562U CN212388562U CN202021242932.4U CN202021242932U CN212388562U CN 212388562 U CN212388562 U CN 212388562U CN 202021242932 U CN202021242932 U CN 202021242932U CN 212388562 U CN212388562 U CN 212388562U
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- foundation pit
- pile
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- foundation
- foundation ditch
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Abstract
The utility model provides a foundation pit supporting structure, foundation pit supporting structure is including covering the baffle on the foundation ditch inner wall, many fender piles of cartridge at the bottom of the foundation ditch hole and foundation ditch inner wall juncture, many anchor piles at foundation ditch hole road junction border are located to the cartridge, bury many pull rods in the foundation ditch inner wall soil body underground, fender pile, anchor pile and pull rod one-to-one are arranged, the one end and the anchor pile spiro union of pull rod, the other end of pull rod passes the baffle in proper order, the spiro union has lock nut behind the fender pile, the fender pile centre gripping is between baffle and lock nut. Adopt the technical scheme of the utility model, connect into the soil body at the bottom of foundation ditch inner wall and foundation ditch hole, foundation ditch hole road junction border for a whole, can avoid the foundation ditch inner wall to appear whole potential safety hazard of collapsing more effectively, constitute triangular support structure through baffle, bracing piece and bottom plate, further grasp the soil body through setting up the bail on the baffle, improved and strutted stability and security.
Description
Technical Field
The utility model relates to a building engineering technical field especially indicates a supporting construction of foundation ditch.
Background
In the construction of building engineering, in order to bury pile foundation or construct basement, bury underground pipeline, etc., it is often necessary to excavate foundation pit, and at the same time, it is also necessary to excavate foundation pit in various underground engineering, in the excavation construction process of foundation pit, in order to prevent the collapse of foundation pit soil, it is necessary to carry out supporting operation on the foundation pit, the existing foundation pit supporting structure generally adopts the modes of pile-row supporting, pile-anchoring, pile-row cantilever, underground continuous wall supporting, cement retaining wall, soil nailing wall, shotcrete supporting, etc., the existing supporting mode usually connects the soil mass of the inner wall of the foundation pit into one body to prevent the collapse of the soil mass, however, the foundation pit supporting structure of this mode does not connect the soil mass of the inner wall of the foundation pit with the soil mass of the bottom of the foundation pit and the edge of the opening of the foundation pit into one body, and still has, the method is easy to cause major safety accidents and still has potential safety hazards.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a foundation ditch supporting construction.
The utility model discloses a following technical scheme can realize.
The utility model provides a foundation pit supporting structure, including cover baffle, cartridge on the foundation ditch inner wall at the bottom of the pit with many fender piles, the cartridge of foundation ditch inner wall juncture in many anchor piles at foundation ditch pithead border, bury many pull rods in the foundation ditch inner wall soil body underground, fender pile, anchor pile and pull rod one-to-one are arranged, the one end of pull rod with the anchor pile spiro union, the other end of pull rod passes in proper order the spiro union has lock nut behind baffle, the fender pile centre gripping in between baffle and the lock nut.
The lower end of the anchor pile is arranged to be in a shape of an inverted cone with a large upper part and a small lower part.
The lower end of the support pile is arranged to be in an inverted cone shape with a large upper part and a small lower part.
The foundation pit supporting structure is characterized in that a limiting groove is further formed in the surface of the supporting pile, the foundation pit supporting structure further comprises a bottom plate, one side of the bottom plate is clamped and sleeved in the limiting groove, and the other side of the bottom plate is fixed to the bottom of the foundation pit through a fastening piece.
The foundation pit supporting structure further comprises a supporting rod, one end of the supporting rod is fixed with the supporting pile through a bolt, and the other end of the supporting rod is fixed with the bottom plate through a bolt.
The lower surface of the bottom plate is flush with the bottom of the foundation pit.
The fastening piece comprises at least one pair of sleeves and a drill rod, the sleeves are fixedly arranged on the bottom plate, and the bottom plate is fixed on the bottom of the foundation pit after the drill rod penetrates through the sleeves and is inserted into the bottom of the foundation pit.
The drill rod is provided with limiting convex strips at the periphery, the inner wall of the sleeve is provided with corresponding limiting grooves, and the limiting convex strips are sleeved in the limiting grooves when the drill rod penetrates through the sleeve.
The foundation pit supporting structure further comprises a limiting pin, a corresponding limiting hole is formed in the drill rod, supporting shafts are further fixed on the bottom plate, the number of the supporting shafts is multiple, each supporting shaft is arranged in one-to-one correspondence with the corresponding sleeve, a rotatable pressing plate is mounted on each supporting shaft, a limiting spring is mounted on each pressing plate, the limiting pin is supported on the limiting spring, and when the limiting spring is compressed or stretched, the limiting pin can be inserted into or extend out of the limiting hole along with the movement of the limiting spring.
And a plurality of clamping nails are arranged on the surface of one side of the baffle facing the inner wall of the foundation pit.
The beneficial effects of the utility model reside in that: by adopting the technical proposal of the utility model, the inner wall of the foundation pit and the bottom of the foundation pit are connected into a whole through the baffle, the support rod and the bottom plate, and the soil body at the edge of the opening of the foundation pit and the soil body at the inner wall of the foundation pit are also connected into a whole through the anchor pile, the pull rod and the support pile, so that the potential safety hazard of the whole collapse of the inner wall of the foundation pit can be effectively avoided, the baffle, the support rod and the bottom plate form a triangular support structure, and the stability and the safety are correspondingly higher, in addition, the baffle is also provided with the staple bolt which can further grasp the soil body in the inner wall of the foundation pit to prevent the foundation pit from collapsing and improve the stability and the safety, the bottom plate is connected with the bottom of the foundation pit through the corresponding fastener, through using cement to pour on the fastener, cement solidifies the back, can make bottom plate and side slope bottom surface more closely be connected as an organic wholely to further promote the utility model discloses excavation supporting structure's stability and security.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the arrangement of the support piles along the inner wall of the foundation pit;
FIG. 3 is a schematic structural view of the pull rod of the present invention;
FIG. 4 is a top view of the drill rod of the present invention;
fig. 5 is a top view of the sleeve of the present invention.
In the figure: 1-baffle plate, 2-support pile, 3-anchor pile, 4-pull rod, 5-locking nut, 6-bottom plate, 7-support rod, 8-sleeve, 9-drill rod, 10-limit pin, 11-support shaft, 12-pressing plate, 13-clamping nail, 801-limit groove and 901-limit convex strip.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 5, the utility model provides a foundation pit supporting structure, including covering baffle 1 on the foundation ditch inner wall, the cartridge is at the bottom of the pit with foundation ditch inner wall juncture's many fender posts 2, the cartridge is in many anchor piles 3 at foundation ditch tunnel junction border, bury many pull rods 4 in the foundation ditch inner wall soil body underground, fender post 2, anchor pile 3 and pull rod 4 one-to-one arrange, the one end and the 3 spiro union of pull rod 4, the other end of pull rod 4 passes baffle 1 in proper order, fender post 2 has lock nut 5 in the spiro union afterwards, 2 centre grippings of fender post between baffle 1 and lock nut 5.
Further, the lower end of the anchor pile 3 is set to be in an inverted cone shape with a large upper part and a small lower part. The lower end of the support pile 2 is arranged to be in a shape of an inverted cone with a large upper part and a small lower part. Adopt the utility model provides a shape of anchor pile 3, fender pile 2 can make anchor pile 3, fender pile 2 change in insert within the soil body, be convenient for install.
In addition, the surface of the support pile 2 is also provided with a limit groove, the foundation pit support structure further comprises a bottom plate 6, one side of the bottom plate 6 is clamped and sleeved in the limit groove, and the other side of the bottom plate 6 is fixed on the bottom of the foundation pit through a fastening piece. Preferably, the lower surface of the bottom plate 6 is flush with the bottom of the foundation pit. The foundation pit supporting structure further comprises a supporting rod 7, one end of the supporting rod 7 is fixed with the supporting pile 2 through a bolt, and the other end of the supporting rod 7 is fixed with the bottom plate 6 through a bolt. Adopt the technical scheme of the utility model, baffle, bracing piece and bottom plate have constituted triangular support structure, and stability and security are also corresponding higher.
Further, the fastener comprises at least one pair of sleeves 8 and drill rods 9, the sleeves 8 are fixedly arranged on the bottom plate 6, and the bottom plate 6 is fixed on the bottom of the foundation pit after the drill rods 9 are inserted into the bottom of the foundation pit through the sleeves 8. The drill rod 9 is provided with limiting convex strips 901 on the periphery, the inner wall of the sleeve 8 is provided with corresponding limiting grooves, and when the drill rod 9 penetrates through the sleeve 8, the limiting convex strips 901 are sleeved in the limiting grooves.
In addition, the foundation pit supporting structure further comprises a limiting pin 10, a corresponding limiting hole is formed in the drill rod 9, supporting shafts 11 are further fixed on the bottom plate 6, the number of the supporting shafts 11 is multiple, the supporting shafts 11 are arranged in a one-to-one correspondence mode with the sleeves 8, a rotatable pressing plate 12 is installed on each supporting shaft 11, a limiting spring is installed on each pressing plate 12, the limiting pin 10 is supported on the limiting spring, and when the limiting spring is compressed or stretched, the limiting pin 10 can be inserted into or extend out of the limiting hole along with the movement of the limiting spring. When the foundation pit is subjected to supporting construction, the drill rod 9 can be closed through rotating the pressing plate cover, and the drill rod 9 is connected with the pressing plate into a whole through the limiting pin 10, so that the bottom plate 6 is more closely connected with the bottom of the foundation pit, and the soil body at the bottom of the foundation pit is further grasped tightly.
In addition, a plurality of staples 13 are arranged on the surface of one side of the baffle plate 1 facing the inner wall of the foundation pit. Adopt the technical scheme of the utility model, still install the bail on the baffle, can further grasp the soil body within the foundation ditch inner wall, prevent that the foundation ditch from collapsing, improved stability and security.
Furthermore, use the utility model discloses a during the underground structure, can be under construction according to following step:
the method comprises the steps of providing a baffle 1, a plurality of supporting piles 2, a plurality of anchor piles 3, a plurality of pull rods 4 and a plurality of locking nuts 5, covering the baffle 1 on the inner wall of a foundation pit in sequence, inserting the plurality of supporting piles 2 into the junction of the bottom of the foundation pit and the inner wall of the foundation pit, inserting the plurality of anchor piles 3 into the edge of the junction of the foundation pit, burying the plurality of pull rods 4 in the soil body of the inner wall of the foundation pit, arranging the supporting piles 2, the anchor piles 3, the pull rods 4 and the locking nuts 5 in a one-to-one correspondence mode, then screwing one ends of the pull rods 4 with the anchor piles 3, sequentially penetrating the other ends of the pull rods 4 through the baffle 1, screwing the supporting piles 2 with the locking nuts 5, and clamping the supporting piles 2.
Further, the foundation pit supporting method further comprises the following steps:
providing a bottom plate 6, wherein a limiting groove is further formed in the surface of the support pile 2, one side of the bottom plate 6 is clamped and sleeved in the limiting groove, and cement is poured onto the fastening piece after the other side of the bottom plate 6 is fixed to the bottom of the foundation pit through the fastening piece.
By adopting the technical proposal of the utility model, the inner wall of the foundation pit and the bottom of the foundation pit are connected into a whole through the baffle, the support rod and the bottom plate, and the soil body at the edge of the opening of the foundation pit and the soil body at the inner wall of the foundation pit are also connected into a whole through the anchor pile, the pull rod and the support pile, so that the potential safety hazard of the whole collapse of the inner wall of the foundation pit can be effectively avoided, the baffle, the support rod and the bottom plate form a triangular support structure, and the stability and the safety are correspondingly higher, in addition, the baffle is also provided with the staple bolt which can further grasp the soil body in the inner wall of the foundation pit to prevent the foundation pit from collapsing and improve the stability and the safety, the bottom plate is connected with the bottom of the foundation pit through the corresponding fastener, through using cement to pour on the fastener, cement solidifies the back, can make bottom plate and side slope bottom surface more closely be connected as an organic wholely to further promote the utility model discloses excavation supporting structure's stability and security.
Claims (10)
1. The utility model provides a foundation ditch supporting construction which characterized in that: including cover baffle (1), cartridge on foundation ditch inner wall at the bottom of the pit with many fender pile (2) of foundation ditch inner wall juncture, cartridge in many anchor pile (3) at foundation ditch gallery road junction border, bury many pull rod (4) in the foundation ditch inner wall soil body underground, fender pile (2), anchor pile (3) and pull rod (4) one-to-one arrange, the one end of pull rod (4) with anchor pile (3) spiro union, the other end of pull rod (4) passes in proper order the spiro union has lock nut (5) behind baffle (1), fender pile (2) centre gripping in between baffle (1) and lock nut (5).
2. A foundation pit supporting construction according to claim 1, wherein: the lower end of the anchor pile (3) is arranged to be in an inverted cone shape with a large upper part and a small lower part.
3. A foundation pit supporting construction according to claim 1, wherein: the lower end of the support pile (2) is arranged to be in an inverted cone shape with a large upper part and a small lower part.
4. A foundation pit supporting construction according to claim 1, wherein: the surface of the support pile (2) is further provided with a limiting groove, the foundation pit supporting structure further comprises a bottom plate (6), one side of the bottom plate (6) is clamped and sleeved in the limiting groove, and the other side of the bottom plate (6) is fixed to the bottom of the foundation pit through a fastening piece.
5. A foundation pit supporting construction according to claim 4, wherein: the foundation pit supporting structure further comprises a supporting rod (7), one end of the supporting rod (7) is fixed with the supporting pile (2) through a bolt, and the other end of the supporting rod (7) is fixed with the bottom plate (6) through a bolt.
6. A foundation pit supporting construction according to claim 4, wherein: the lower surface of the bottom plate (6) is flush with the bottom of the foundation pit.
7. A foundation pit supporting construction according to claim 4, wherein: the fastening piece comprises at least one pair of sleeves (8) and a drill rod (9), the sleeves (8) are fixedly arranged on the bottom plate (6), and the bottom plate (6) is fixed on the bottom of the foundation pit after the drill rod (9) penetrates through the sleeves (8) and is inserted into the bottom of the foundation pit.
8. A foundation pit supporting construction according to claim 7, wherein: the drill rod (9) is provided with limiting convex strips (901) at the periphery, the inner wall of the sleeve (8) is provided with corresponding limiting grooves, and when the drill rod (9) penetrates through the sleeve (8), the limiting convex strips (901) are sleeved in the limiting grooves.
9. A foundation pit supporting construction according to claim 7, wherein: the foundation pit supporting structure further comprises a limiting pin (10), a corresponding limiting hole is formed in the drill rod (9), supporting shafts (11) are further fixed on the bottom plate (6), the number of the supporting shafts (11) is multiple, each supporting shaft (11) is arranged in one-to-one correspondence with the corresponding sleeve (8), a rotatable pressing plate (12) is installed on each supporting shaft (11), a limiting spring is installed on each pressing plate (12), the limiting pin (10) is supported on the limiting spring, and when the limiting spring is compressed or stretched, the limiting pin (10) can be inserted into or extend out of the limiting hole along with the movement of the limiting spring.
10. A foundation pit supporting construction according to claim 1, wherein: the baffle (1) is provided with a plurality of staple bolts (13) on the surface of one side facing the inner wall of the foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021242932.4U CN212388562U (en) | 2020-06-30 | 2020-06-30 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021242932.4U CN212388562U (en) | 2020-06-30 | 2020-06-30 | Foundation pit supporting structure |
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| Publication Number | Publication Date |
|---|---|
| CN212388562U true CN212388562U (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021242932.4U Active CN212388562U (en) | 2020-06-30 | 2020-06-30 | Foundation pit supporting structure |
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| CN (1) | CN212388562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648381A (en) * | 2020-06-30 | 2020-09-11 | 贵州建工集团第一建筑工程有限责任公司 | Foundation pit supporting structure |
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2020
- 2020-06-30 CN CN202021242932.4U patent/CN212388562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648381A (en) * | 2020-06-30 | 2020-09-11 | 贵州建工集团第一建筑工程有限责任公司 | Foundation pit supporting structure |
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