CN117868157B - Building foundation pit drainage structure - Google Patents
Building foundation pit drainage structure Download PDFInfo
- Publication number
- CN117868157B CN117868157B CN202410269752.1A CN202410269752A CN117868157B CN 117868157 B CN117868157 B CN 117868157B CN 202410269752 A CN202410269752 A CN 202410269752A CN 117868157 B CN117868157 B CN 117868157B
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- Prior art keywords
- pipe
- fixedly connected
- soil
- baffle plate
- wall
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- 239000002689 soil Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000002745 absorbent Effects 0.000 claims description 8
- 239000002250 absorbent Substances 0.000 claims description 8
- 238000007791 dehumidification Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000012466 permeate Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- E02D19/20—Restraining of underground water by damming or interrupting the passage of underground water by displacing the water, e.g. by compressed air
Landscapes
- 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)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a drainage structure of a building foundation pit, which is applied to the field of foundation pit support, wherein an inner baffle plate and an outer baffle plate between adjacent inner baffle plates and outer baffle plates form a moisture absorption cavity, soil is reserved in the moisture absorption cavity, after the inner baffle plates and the outer baffle plates are constructed, an embedded rod is inserted into the moisture absorption cavity to contact with the soil through an inserting hole, so that moisture in the soil is discharged outwards through a moisture discharge pipe, the water in the soil is prevented from penetrating outwards along a gap between the inner baffle plates and the outer baffle plates, the soil is reserved in the moisture absorption cavity, the soil is taken as a water guide medium, the water in the gap between the inner baffle plates and the outer baffle plates can be absorbed by the soil, and the moisture in the soil is discharged outwards through the moisture discharge pipe, so that the water penetration and the accumulation of the water in the foundation pit are avoided.
Description
Technical Field
The invention relates to a drainage structure of a building foundation pit, in particular to a drainage structure of a building foundation pit, which is applied to the field of foundation pit support.
Background
The foundation pit is reinforced by using a support during construction, wherein steel plates are used as the support, which is a common construction method, but because gaps exist between the steel plates, moisture in soil can permeate into the foundation pit to influence the construction environment of the foundation pit.
At present, most solutions are that a sealing structure is added between the steel plates to block water outside the steel plates, but as the steel plates are hammered into the ground by using a pile driver, the steel plates cannot move after installation is finished, so that the construction difficulty is high, water is accumulated on one side of the steel plates for a long time, and the water seepage condition cannot be fundamentally solved.
Disclosure of Invention
Aiming at the prior art, the technical problem to be solved by the invention is that as the steel plate is hammered into the ground by using the pile driver, the steel plate cannot move after the installation is finished, so that the sealing construction difficulty of the steel plate is high, water is accumulated on one side of the steel plate for a long time, and the water seepage condition cannot be fundamentally solved.
In order to solve the problems, the invention provides a building foundation pit drainage structure, which comprises a C-shaped inner baffle and a C-shaped outer baffle, wherein two symmetrically arranged inner clamping strips are fixedly connected to the side wall of one side of the inner baffle, two symmetrically arranged outer clamping strips are fixedly connected to the side wall of one side of the outer baffle, a plurality of evenly distributed jacks are formed in the outer baffle, which are positioned on two sides, away from each other, of the outer clamping strips, an embedded rod matched with the jacks is further included, a plurality of evenly distributed ventilation holes are formed in the outer wall of the embedded rod, a moisture removing pipe is fixedly connected to one end of the embedded rod, an air supply pipe penetrates through one end, close to the moisture removing pipe, of the embedded rod, a plurality of evenly distributed middle holes are formed in the outer wall, which is positioned on the inner side of the embedded rod, of the air supply pipe, and a branch pipe and a main pipe matched with the branch pipe.
The method for installing the drainage structure of the building foundation pit comprises the following steps:
S1, using a hydraulic pile driver to alternately insert an inner baffle plate and an outer baffle plate into the ground, wherein one end of the outer baffle plate is clamped into the inner side of an inner clamping strip, and one end of the inner baffle plate is clamped into the inner side of an outer clamping strip;
s2, an inner baffle plate and an outer baffle plate between adjacent inner clamping strips and outer clamping strips form an absorbent cavity, soil is reserved in the absorbent cavity, and after the inner baffle plate and the outer baffle plate are constructed, an embedded rod is inserted into the absorbent cavity through an inserting hole to contact with the soil;
S3, connecting the branch pipes with a plurality of blast pipes, connecting the main pipe with a plurality of branch pipes, and blowing air to the inside of the main pipe by using an air blower, and blowing air to the inside of the embedded rod through the blast pipe at the moment, so that water in soil is discharged outwards through the moisture discharging pipe, and the phenomenon that water in soil permeates outwards along a gap between the inner baffle plate and the outer baffle plate is avoided.
As a further improvement of the application, the inner wall of one end of the embedded rod is fixedly connected with a bottom pipe, the inner wall of the bottom pipe is slidably connected with a telescopic head, and an elastic rope is fixedly connected between one end of the telescopic head and one end of the bottom pipe.
As a further improvement of the application, the other end of the telescopic head extends to the inner side of the blast pipe and is connected with the blast pipe in a sliding way, and a connecting hole matched with the middle hole is formed at one end of the telescopic head positioned at the inner side of the blast pipe.
As a further improvement of the application, the inner side of the telescopic head close to the elastic rope is provided with a cloth bag, the inside of the cloth bag is filled with water-absorbing expansion particles, the outer wall of the bottom pipe close to the cloth bag is provided with a through hole, and by the arrangement, the air supply pipe can open or close the middle hole according to the humidity of soil at the position of the air supply pipe, so that the waste of energy sources is reduced.
As a further improvement of the application, one end of the air supply pipe positioned outside the embedded rod is fixedly connected with a heating box, and the inner wall of the heating box is fixedly connected with an electric heating wire.
As a further improvement supplement of the application, the inner wall of the air supply pipe close to one end of the telescopic head is fixedly connected with a vertical plate, the inner wall of the vertical plate close to the telescopic head is fixedly connected with a touch switch, the side wall of the telescopic head close to the touch switch is fixedly connected with a push rod, and the touch switch is electrically connected with the heating wire; through the setting, when ventilation dehumidification's effect is relatively poor, flexible head removes until the ejector pin triggers touch switch to the direction of blast pipe, and the heating wire starts this moment, to blowing to the interior air heating of embedded pole, improves dehumidification effect.
As another improvement of the application, the bottom end of the branch pipe is fixedly connected with an air regulating valve, and the inner wall of the top end of the branch pipe is fixedly connected with an air pressure sensor; through the arrangement, when part of the blast pipes are closed, the air inlet quantity of the branch pipes can be regulated through the air regulating valve.
In summary, the inner baffle and the outer baffle between the adjacent inner clamping strips and the outer clamping strips form the moisture absorption cavity, soil is reserved in the moisture absorption cavity, after the inner baffle and the outer baffle are constructed, the inner embedded rod is inserted into the moisture absorption cavity to be in contact with the soil through the insertion hole, so that moisture in the soil is discharged outwards through the moisture discharging pipe, the water in the soil is prevented from penetrating outwards along the gap between the inner baffle and the outer baffle, the soil is reserved in the moisture absorption cavity through the arrangement, the soil is used as a water guiding medium, the gap penetrating water between the inner baffle and the outer baffle can be absorbed by the soil, and the moisture in the soil is discharged outwards through the moisture discharging pipe, so that the penetration of the water and the accumulation of the water in the foundation pit are avoided.
Drawings
Fig. 1 is a construction structural view of an inner barrier and an outer barrier in a first embodiment of the present application;
FIG. 2 is a diagram showing the clamping patterns of the inner barrier and the outer barrier according to the first embodiment of the present application;
FIG. 3 is a split block diagram of the inner and outer baffles in a first embodiment of the present application;
FIG. 4 is a top view of the inner and outer baffles of the first embodiment of the present application;
FIG. 5 is a diagram showing the connection structure of the embedded rod, the branch pipe and the main pipe in the first embodiment of the present application;
FIG. 6 is a view showing the internal structure of the insert rod in the first and second embodiments of the present application;
FIG. 7 is a diagram showing the internal construction of the bottom tube in the first and second embodiments of the present application;
FIG. 8 is a state diagram of the connecting hole and the middle hole in the second embodiment of the present application;
Fig. 9 is a state diagram of the push rod triggering the touch switch according to the second embodiment of the present application.
The reference numerals in the figures illustrate:
1. An inner baffle; 101. an inner clip strip; 2. an outer baffle; 201. an outer clamping strip; 202. a jack; 3. an embedded rod; 301. ventilation holes; 302. a moisture removal pipe; 4. an air supply pipe; 401. a middle hole; 5. a branch pipe; 501. a gas regulating valve; 502. an air pressure sensor; 6. a header pipe; 7. a moisture absorption chamber; 8. a bottom tube; 801. a retractable head; 802. an elastic rope; 803. a through hole; 804. a cloth bag; 805. water-absorbing swelling particles; 806. a connection hole; 9. a thermal box; 901. heating wires; 10. a vertical plate; 1001. a touch switch; 11. and (5) a push rod.
Detailed Description
Two embodiments of the present application will be described in detail with reference to the accompanying drawings.
First embodiment:
Fig. 1-7 show a building foundation pit drainage structure, including the inner baffle 1 of C shape and the outer baffle 2 of C shape, the lateral wall fixedly connected with of inner baffle 1 one side has two symmetrical interior card strips 101 that set up, the lateral wall fixedly connected with of outer baffle 2 one side has two symmetrical outer card strips 201 that set up, outer baffle 2 is located two outer card strips 201 and keeps away from both sides each other and all offered a plurality of evenly distributed jack 202, still include with jack 202 assorted embedded pole 3, a plurality of evenly distributed's ventilation holes 301 have been offered to the outer wall of embedded pole 3, the one end fixedly connected with wet pipe 302 of embedded pole 3, the one end that embedded pole 3 is close to wet pipe 302 runs through fixedly connected with blast pipe 4, a plurality of evenly distributed's intermediate holes 401 have been offered to the outer wall that blast pipe 4 is located the inboard of embedded pole 3, still include with blast pipe 4 assorted branch pipe 5 and with branch pipe 5 assorted house steward 6.
The method for installing the drainage structure of the building foundation pit comprises the following steps:
S1, using a hydraulic pile driver to alternately insert an inner baffle plate 1 and an outer baffle plate 2 into the ground, and clamping one end of the outer baffle plate 2 into the inner side of an inner clamping strip 101, and clamping one end of the inner baffle plate 1 into the inner side of an outer clamping strip 201;
S2, an inner baffle plate 1 and an outer baffle plate 2 between adjacent inner clamping strips 101 and outer clamping strips 201 form an absorbent cavity 7, soil is reserved in the absorbent cavity 7, and after the construction of the inner baffle plate 1 and the outer baffle plate 2 is finished, an embedded rod 3 is inserted into the absorbent cavity 7 through an inserting hole 202 to be in contact with the soil;
s3, the branch pipes 5 are connected with the plurality of blast pipes 4, the main pipe 6 is connected with the plurality of branch pipes 5, and the air is blown into the main pipe 6 by using an air blower, at the moment, the air is blown into the embedded rod 3 through the blast pipes 4, so that the moisture in the soil is discharged outwards through the moisture discharging pipes 302, and the water in the soil is prevented from penetrating outwards along the gaps between the inner baffle plate 1 and the outer baffle plate 2.
Through the arrangement, soil is reserved in the moisture absorption cavity 7 in the construction process, the soil is used as a water guide medium, so that gap penetrating water between the inner baffle plate 1 and the outer baffle plate 2 can be absorbed by the soil, and water in the soil is discharged outwards through the moisture discharge pipe 302, so that water penetration and accumulation of water in a foundation pit are avoided.
Second embodiment:
Fig. 6-9 show a drainage structure of a building foundation pit, unlike the first embodiment, the inner wall of one end of the embedded rod 3 is fixedly connected with a bottom pipe 8, the inner wall of the bottom pipe 8 is slidably connected with a telescopic head 801, an elastic rope 802 is fixedly connected between one end of the telescopic head 801 and one end of the bottom pipe 8, the other end of the telescopic head 801 extends to the inner side of the air supply pipe 4 and is slidably connected with the inner side, one end of the telescopic head 801, which is positioned at the inner side of the air supply pipe 4, is provided with a connecting hole 806 matched with the middle hole 401, a cloth bag 804 is placed at the inner side of the telescopic head 801, which is close to the elastic rope 802, water-absorbing expansion particles 805 are filled in the cloth bag 804, and a through hole 803 is formed at the outer wall of the bottom pipe 8, which is close to the cloth bag 804; because the soil humidity of different degree of depth is different, if open a plurality of blast pipes 4 simultaneously, can cause the waste of energy, through above-mentioned setting, when soil inside contains moisture, the expansion granule 805 that absorbs moisture promotes the direction removal of stretching head 801 to blast pipe 4 until connecting hole 806 and centre bore 401 coincide, the air current blows the inside of embedded pole 3 through connecting hole 806 and centre bore 401 at this moment and dehumidifies, after the dehumidification finishes, expansion granule 805 shrink that absorbs moisture and drive stretching head 801 to the direction removal of keeping away from blast pipe 4 under the effect of elastic cord 802 until connecting hole 806 staggers with centre bore 401, through above-mentioned setting, make blast pipe 4 can open or close centre bore 401 according to the humidity of its place soil, the waste of energy has been reduced.
One end of the air supply pipe 4 positioned at the outer side of the embedded rod 3 is fixedly connected with a thermal box 9, the inner wall of the thermal box 9 is fixedly connected with an electric heating wire 901, the inner wall of the air supply pipe 4 close to one end of the telescopic head 801 is fixedly connected with a vertical plate 10, the inner wall of the vertical plate 10 close to the telescopic head 801 is fixedly connected with a touch switch 1001, the side wall of the telescopic head 801 close to the touch switch 1001 is fixedly connected with a push rod 11, and the touch switch 1001 is electrically connected with the electric heating wire 901; through the arrangement, when the effect of ventilation and dehumidification is poor, the telescopic head 801 moves towards the direction of the air supply pipe 4 until the ejector rod 11 triggers the touch switch 1001, and at the moment, the heating wire 901 is started to heat air blown into the embedded rod 3, so that the dehumidification effect is improved.
The bottom end of the branch pipe 5 is fixedly connected with an air regulating valve 501, and the inner wall of the top end of the branch pipe 5 is fixedly connected with an air pressure sensor 502; through the above arrangement, when part of the air supply pipe 4 is closed, the air intake of the branch pipe 5 can be adjusted by the air adjusting valve 501.
The present application is not limited to the above-described embodiments, which are adopted in connection with the actual demands, and various changes made by the person skilled in the art without departing from the spirit of the present application are still within the scope of the present application.
Claims (6)
1. The utility model provides a building foundation ditch drainage structures, includes interior baffle (1) of C word shape and outer baffle (2) of C word shape, its characterized in that: the side wall of one side of the inner baffle (1) is fixedly connected with two inner clamping strips (101) which are symmetrically arranged, the side wall of one side of the outer baffle (2) is fixedly connected with two outer clamping strips (201) which are symmetrically arranged, a plurality of evenly distributed insertion holes (202) are formed in two sides, far away from each other, of the outer baffle (2), the inner baffle further comprises an inner embedded rod (3) matched with the insertion holes (202), a plurality of evenly distributed ventilation holes (301) are formed in the outer wall of the inner embedded rod (3), one end of the inner embedded rod (3) is fixedly connected with a moisture removing pipe (302), one end, close to the moisture removing pipe (302), of the inner embedded rod (3) is fixedly connected with an air supply pipe (4), a plurality of evenly distributed middle holes (401) are formed in the outer wall, located inside the inner embedded rod (3), of the air supply pipe (4), and the inner embedded rod further comprises a branch pipe (5) matched with the air supply pipe (4) and a main pipe (6) matched with the branch pipe (5);
One end of the outer baffle plate (2) is clamped into the inner side of the inner clamping strip (101), one end of the inner baffle plate (1) is clamped into the inner side of the outer clamping strip (201), the inner baffle plate (1) and the outer baffle plate (2) between the adjacent inner clamping strip (101) and the outer clamping strip (201) form an absorbent cavity (7), and soil is reserved in the absorbent cavity (7).
2. The construction pit drainage structure of claim 1, wherein: the inner wall of one end of the embedded rod (3) is fixedly connected with a bottom pipe (8), the inner wall of the bottom pipe (8) is slidably connected with a telescopic head (801), and an elastic rope (802) is fixedly connected between one end of the telescopic head (801) and one end of the bottom pipe (8);
The other end of the telescopic head (801) extends to the inner side of the air supply pipe (4) and is in sliding connection with the air supply pipe, and a connecting hole (806) matched with the middle hole (401) is formed in one end of the telescopic head (801) positioned at the inner side of the air supply pipe (4);
A cloth bag (804) is arranged on the inner side of the telescopic head (801) close to the elastic rope (802), water-absorbing expansion particles (805) are filled in the cloth bag (804), and a through hole (803) is formed in the bottom tube (8) close to the outer wall of the cloth bag (804);
When the soil contains moisture, the water-absorbing expansion particles (805) absorb moisture and expand to push the telescopic head (801) to move towards the air supply pipe (4) until the connecting hole (806) coincides with the middle hole (401), at the moment, air flows are blown to the inside of the embedded rod (3) through the connecting hole (806) and the middle hole (401) to dehumidify, after dehumidification is finished, the water-absorbing expansion particles (805) shrink and drive the telescopic head (801) to move towards the direction far away from the air supply pipe (4) under the action of the elastic rope (802) until the connecting hole (806) is staggered with the middle hole (401), so that the air supply pipe (4) can open or close the middle hole (401) according to the moisture of the soil where the air supply pipe is located, and the waste of energy sources is reduced.
3. The construction pit drainage structure of claim 2, wherein: one end of the air supply pipe (4) positioned at the outer side of the embedded rod (3) is fixedly connected with a heating box (9), and the inner wall of the heating box (9) is fixedly connected with an electric heating wire (901).
4. A construction pit drainage structure according to claim 3, wherein: the inner wall fixedly connected with riser (10) that blast pipe (4) is close to telescopic head (801) one end, the inner wall fixedly connected with touch switch (1001) that riser (10) is close to telescopic head (801), the lateral wall fixedly connected with ejector pin (11) that telescopic head (801) is close to touch switch (1001), touch switch (1001) and heating wire (901) electric connection.
5. The construction pit drainage structure of claim 1, wherein: the bottom of branch pipe (5) fixedly connected with air regulating valve (501), the inner wall fixedly connected with air pressure sensor (502) on branch pipe (5) top.
6. The method for installing a drainage structure of a building foundation pit according to claim 1, wherein: the method comprises the following steps:
s1, using a hydraulic pile driver to alternately insert an inner baffle plate (1) and an outer baffle plate (2) into the ground, wherein one end of the outer baffle plate (2) is clamped into the inner side of an inner clamping strip (101), and one end of the inner baffle plate (1) is clamped into the inner side of an outer clamping strip (201);
S2, after the construction of the inner baffle plate (1) and the outer baffle plate (2) is finished, the embedded rod (3) is inserted into the moisture absorption cavity (7) through the insertion hole (202) to be in contact with soil;
S3, connecting the branch pipes (5) with the plurality of blast pipes (4), connecting the main pipe (6) with the plurality of branch pipes (5), and blowing air to the inside of the main pipe (6) by using an air blower, blowing air to the inside of the embedded rod (3) through the blast pipes (4) at the moment, enabling water in soil to be discharged outwards through the dehumidifying pipe (302), and avoiding water in the soil to permeate outwards along gaps between the inner baffle plate (1) and the outer baffle plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410269752.1A CN117868157B (en) | 2024-03-11 | 2024-03-11 | Building foundation pit drainage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410269752.1A CN117868157B (en) | 2024-03-11 | 2024-03-11 | Building foundation pit drainage structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117868157A CN117868157A (en) | 2024-04-12 |
| CN117868157B true CN117868157B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410269752.1A Active CN117868157B (en) | 2024-03-11 | 2024-03-11 | Building foundation pit drainage structure |
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| Country | Link |
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| CN (1) | CN117868157B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013163901A (en) * | 2012-02-09 | 2013-08-22 | Sumitomo Forestry Co Ltd | Formation method of steel plate underground partition wall |
| CN113216145A (en) * | 2021-05-12 | 2021-08-06 | 国强建设集团有限公司 | Vacuum preloading construction method for steel sheet pile combined clay sealing wall |
| CN113338320A (en) * | 2021-06-21 | 2021-09-03 | 王伟 | Self-control type foundation pit drainage device based on buoyancy principle |
| CN214993748U (en) * | 2021-01-12 | 2021-12-03 | 广东碧桂园职业学院 | Steel sheet pile draws hole construction structures |
| CN116657616A (en) * | 2023-06-25 | 2023-08-29 | 江苏中煤地质工程研究院有限公司 | Upper soft lower hard complex stratum foundation pit wall supporting structure |
-
2024
- 2024-03-11 CN CN202410269752.1A patent/CN117868157B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013163901A (en) * | 2012-02-09 | 2013-08-22 | Sumitomo Forestry Co Ltd | Formation method of steel plate underground partition wall |
| CN214993748U (en) * | 2021-01-12 | 2021-12-03 | 广东碧桂园职业学院 | Steel sheet pile draws hole construction structures |
| CN113216145A (en) * | 2021-05-12 | 2021-08-06 | 国强建设集团有限公司 | Vacuum preloading construction method for steel sheet pile combined clay sealing wall |
| CN113338320A (en) * | 2021-06-21 | 2021-09-03 | 王伟 | Self-control type foundation pit drainage device based on buoyancy principle |
| CN116657616A (en) * | 2023-06-25 | 2023-08-29 | 江苏中煤地质工程研究院有限公司 | Upper soft lower hard complex stratum foundation pit wall supporting structure |
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| Publication number | Publication date |
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| CN117868157A (en) | 2024-04-12 |
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