CN221001023U - Supporting structure of foundation pit - Google Patents
Supporting structure of foundation pit Download PDFInfo
- Publication number
- CN221001023U CN221001023U CN202322199437.XU CN202322199437U CN221001023U CN 221001023 U CN221001023 U CN 221001023U CN 202322199437 U CN202322199437 U CN 202322199437U CN 221001023 U CN221001023 U CN 221001023U
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- Prior art keywords
- foundation pit
- ground
- row
- foundation
- ground around
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- 238000010276 construction Methods 0.000 claims abstract description 12
- 239000004568 cement Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000003469 silicate cement Substances 0.000 description 2
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Foundations (AREA)
Abstract
The utility model relates to a supporting structure of a foundation pit. Is applicable to the technical field of foundation pit support. The technical scheme adopted by the utility model is as follows: the utility model provides a supporting construction of foundation ditch which characterized in that: the foundation pit is characterized in that a plurality of row piles anchored into the ground are arranged on the ground around the foundation pit, the tops of the row piles are connected through crown beams, a plurality of tubular piles anchored into the ground around the foundation pit along the inclined direction are further arranged on the crown beams, and a waterproof curtain is arranged on one side, far away from the foundation pit, of the tubular piles. Like this, anchor the row stake in to the ground has played the reinforcing effect to the structural strength of ground around the foundation ditch, connects through the crown beam that sets up at row stake top between the row stake, has promoted the joint strength between the row stake, and then has promoted the structural strength of ground around the foundation ditch, and the tubular pile of ground around the foundation ditch can further be strengthened along the inclination anchor to the structural strength of ground around the foundation ditch on the crown beam, and the ponding in the ground can effectively be avoided flowing into in the foundation ditch and cause the influence to the equipment in the foundation ditch.
Description
Technical Field
The utility model relates to a supporting structure of a foundation pit. Is applicable to the technical field of foundation pit support.
Background
The structural design of supporting is carried out to the component that adopts in the foundation ditch engineering more, leads to the wholeness and the redundancy of foundation ditch supporting system to be difficult to obtain abundant assurance from this. In this case, many factors, such as investigation problems, design problems, construction quality problems, overexcavation problems, natural conditions, environmental impact problems, etc., may cause local damage to the supporting structure of the foundation pit, and further cause continuous damage to the foundation pit, which easily causes a large impact on the foundation pit structure and the construction in the subsequent foundation pit.
Disclosure of utility model
The utility model aims to solve the technical problems that: in order to solve the technical problems, the utility model provides a supporting structure of a foundation pit.
The technical scheme adopted by the utility model is as follows: the utility model provides a supporting construction of foundation ditch which characterized in that: the foundation pit is characterized in that a plurality of row piles anchored into the ground are arranged on the ground around the foundation pit, the tops of the row piles are connected through crown beams, a plurality of tubular piles anchored into the ground around the foundation pit along the inclined direction are further arranged on the crown beams, and a waterproof curtain is arranged on one side, far away from the foundation pit, of the tubular piles. Like this, anchor the row stake in to the ground has played the reinforcing effect to the structural strength of ground around the foundation ditch, connects through the crown beam that sets up at row stake top between the row stake, has promoted the joint strength between the row stake, and then has promoted the structural strength of ground around the foundation ditch, and the tubular pile of ground around the foundation ditch can further be strengthened along the inclination anchor to the structural strength of ground around the foundation ditch on the crown beam, and the ponding in the ground can effectively be avoided flowing into in the foundation ditch and cause the influence to the equipment in the foundation ditch.
And grouting pipes are arranged on the outer wall of the pipe pile along the axial direction of the pipe pile, the tail parts of the grouting pipes are wound at the bottom position of the pipe pile, grouting holes are formed in the tail parts of the grouting pipes, and grouting bodies are filled in soil at the bottom position of the pipe pile. Therefore, cement paste is poured into the soil at the bottom of the pipe pile through the grouting pipe and the grouting holes on the grouting pipe to form a grouting body, so that the connection strength of the pipe pile and the soil is enhanced, and the structural strength of the soil around the foundation pit is also greatly enhanced.
The waterproof curtain is of a cement mixing pile structure, and I-steel is uniformly filled in the waterproof curtain. Therefore, the structural strength of the waterproof curtain is greatly enhanced.
And an escape ladder is arranged on the side wall of the foundation pit. Thus, people in the foundation pit can conveniently climb to the ground through the escape ladder.
The beneficial effects of the utility model are as follows: according to the utility model, the row piles are anchored on the ground around the foundation pit, the crown beams are connected to the tops of the row piles, and the tubular piles which are anchored in the ground along the inclined direction are arranged on the crown beams, so that the structural strength of the foundation pit support is greatly improved, the continuity damage of the foundation pit support structure can be effectively avoided, and the construction is simple and easy to implement; according to the utility model, the waterproof curtain is formed in a cement mixing pile construction mode, and I-steel is filled in the construction process of the waterproof curtain, so that the structural strength of the waterproof curtain can be effectively enhanced; according to the utility model, the escape ladder is arranged on the side wall of the foundation pit, so that an escape channel can be provided for evacuating people in the foundation pit after the initial damage of the foundation pit occurs, and the life safety is ensured.
Drawings
Fig. 1: the structure of the utility model is schematically shown.
Fig. 2: a side view of the structure of the present utility model.
Fig. 3: in the utility model, the grouting pipe is arranged on the pipe pile in a schematic structure.
Fig. 4: the structural top view of the present utility model.
In the figure: 1. arranging piles; 2. a crown beam; 3. a waterproof curtain; 4. i-steel; 5. a tubular pile; 6. grouting; 7. grouting pipe; 8. grouting holes; 9. an escape ladder.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
The embodiment is a supporting structure of a foundation pit, a foundation pit is excavated on the ground, cement mixing piles are constructed on the ground around the foundation pit, and a waterproof curtain 3 is formed.
In the embodiment, the pile row 1 is anchored on the ground around the foundation pit, the pile row 1 is anchored at the position between the foundation pit and the waterproof curtain 3, and concrete materials are poured at the top of the pile row 1 to form the crown beam 2, and the pile row 1 is connected together, so that the connection strength of the pile row 1 and the crown beam 2 is enhanced. The diameter of each row pile 1 is 600mm, the distance between every two adjacent row piles 1 is 900mm, the width of each crown beam 2 is 900mm, the height of each crown beam 2 is 700mm, and each row pile 1 and each crown beam 2 are made of C30 concrete.
In the embodiment, the cement material in the construction of the cement mixing pile is 42.5 composite silicate cement, the raw gypsum and the diethanol monoisopropanolamine are also added into the 42.5 composite silicate cement, the water-cement ratio is 1.5-2.0, the cement mixing amount is 20%, and the cement mixing amount of each meter of pile is 360kg.
In this embodiment, the hole in the cement mixing pile construction is filled with the i-steel 4, the i-steel 4 is made of Q235 material, and the i-steel 4 is made of 45a i-steel 4. The two adjacent holes with the I-steel 4 are separated by a hole without the I-steel 4.
In this embodiment, the tubular pile 5 is anchored in the ground around the foundation pit along the inclined direction, the upper end of the tubular pile 5 is fixedly connected with the crown beam 2, the grouting pipe 7 is arranged on the tubular pile 5 along the axial direction of the tubular pile 5, the tail part of the grouting pipe 7 is wound at the bottom position of the tubular pile 5, grouting holes 8 are uniformly formed in the grouting pipe 7 wound on the tubular pile 5, cement paste is filled into the grouting pipe 7, and the cement paste is uniformly filled into the soil around the bottom of the tubular pile 5 through the grouting holes 8 and forms a grouting body 6, so that the connection strength between the tubular pile 5 and the ground is greatly enhanced.
In the embodiment, the escape ladder 9 is arranged on the side wall of the foundation pit, so that an escape channel can be provided for evacuating personnel in the foundation pit after the initial damage of the foundation pit occurs, and the life safety is ensured.
The construction method of the embodiment comprises the following steps:
Anchoring the row piles 1 into the ground around the foundation pit;
Carrying out cement mixing pile construction waterproof curtain 3 on the ground of one side of the row pile 1, which is far away from the foundation pit, and inserting I-steel 4 into the waterproof curtain 3 through a pile driver;
Drilling a hole of the pipe pile 5 by using a drilling machine, and inserting the pipe pile 5 wound with the grouting pipe 7 into the hole;
Digging a pouring groove on the ground at the upper part of the row pile 1, and cleaning soil around the top of the row pile 1 and around the canned top;
binding the reinforcement cage, overlapping the row piles 1 and the tubular piles 5 together, and pouring concrete into the pouring grooves to form the crown beam 2.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (3)
1. The utility model provides a supporting construction of foundation ditch which characterized in that: a plurality of row piles (1) anchored into the ground are arranged on the ground around the foundation pit, the tops of the row piles (1) are connected through crown beams (2), a plurality of tubular piles (5) anchored into the ground around the foundation pit along the inclined direction are also arranged on the crown beams (2), and a waterproof curtain (3) is arranged on one side of the tubular piles, which is far away from the foundation pit;
and grouting pipes (7) are arranged on the outer wall of the pipe pile (5) along the axial direction of the pipe pile (5), the tail parts of the grouting pipes (7) are wound at the bottom position of the pipe pile (5), grouting holes (8) are formed in the tail parts of the grouting pipes (7), and grouting bodies (6) are filled in soil at the bottom position of the pipe pile (5).
2. The foundation pit supporting structure of claim 1, wherein: the waterproof curtain (3) is of a cement mixing pile structure, and I-steel (4) is uniformly filled in the waterproof curtain (3).
3. The foundation pit supporting structure of claim 1, wherein: an escape ladder (9) is arranged on the side wall of the foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322199437.XU CN221001023U (en) | 2023-08-16 | 2023-08-16 | Supporting structure of foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322199437.XU CN221001023U (en) | 2023-08-16 | 2023-08-16 | Supporting structure of foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221001023U true CN221001023U (en) | 2024-05-24 |
Family
ID=91125751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322199437.XU Active CN221001023U (en) | 2023-08-16 | 2023-08-16 | Supporting structure of foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221001023U (en) |
-
2023
- 2023-08-16 CN CN202322199437.XU patent/CN221001023U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Yangjun Inventor after: Zeng Cheng Inventor after: Zhang Haibo Inventor after: Chen Huanhuan Inventor before: Zeng Cheng Inventor before: Zhang Haibo Inventor before: Jiang Yangjun Inventor before: Chen Huanhuan |