CN218880923U - Well sealing device for steel deep foundation pit dewatering pipe well - Google Patents
Well sealing device for steel deep foundation pit dewatering pipe well Download PDFInfo
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- CN218880923U CN218880923U CN202223081191.8U CN202223081191U CN218880923U CN 218880923 U CN218880923 U CN 218880923U CN 202223081191 U CN202223081191 U CN 202223081191U CN 218880923 U CN218880923 U CN 218880923U
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- steel
- pipe
- well
- water
- galvanized steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 81
- 239000010959 steel Substances 0.000 title claims abstract description 81
- 238000007789 sealing Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 46
- 239000008397 galvanized steel Substances 0.000 claims abstract description 46
- 238000003466 welding Methods 0.000 claims abstract description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 12
- 241001330002 Bambuseae Species 0.000 claims abstract description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 12
- 239000011425 bamboo Substances 0.000 claims abstract description 12
- 239000003651 drinking water Substances 0.000 claims abstract description 4
- 235000020188 drinking water Nutrition 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims abstract description 3
- 239000004568 cement Substances 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 description 8
- 239000003673 groundwater Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model relates to a steel deep basal pit downcomer well shut-in well device, protect a section of thick bamboo and take silk DN50 galvanized steel pipe including the steel, the top welding that the steel protected a section of thick bamboo has the steel sheet, takes silk DN50 galvanized steel pipe to weld in the inside of steel sheet, takes the top of silk DN50 galvanized steel pipe to install the drinking-water pipe, and the inside packing that the steel protected a section of thick bamboo has the gradation grit, and the internally mounted of gradation grit has the water pipeline. Through being provided with and welding each other between steel sheet and the banded wire DN50 galvanized steel pipe to make after the inside of steel sheet is opened out and is taken the anastomotic round hole of banded wire DN50 galvanized steel pipe diameter each other, with the banded wire DN50 galvanized steel pipe welding in the inside round hole of steel sheet, later the drinking-water pipe can pass the banded wire DN50 galvanized steel pipe inside and normally draw water, after accomplishing steel sheet and steel casing welding, block the top banded wire DN50 galvanized steel pipe with the galvanized wire block cap, later use 600X 200mm impervious concrete C60 block cap, just can block the downcomer well.
Description
Technical Field
The utility model relates to a geotechnical engineering deep basal pit precipitation well shut-in technical field specifically is a steel deep basal pit precipitation pipe well shut-in well device.
Background
Need carry out pump drainage precipitation to ground water level through the downcomer well when various large-scale deep basal pits excavate, and along with city underground space utilizes more and more in recent years, the building foundation ditch is more and more dark, and deep basal pit dewatering and drainage uses more and more generally.
The large deep foundation pit has the plane area more than 10000 square meters and the depth of 13-35 meters, precipitation wells in the foundation pit are generally and generally arranged in the foundation pit at longitudinal and transverse intervals of 15-30 meters according to the underground water level elevation and the stratum permeability coefficient, the bottoms of the precipitation wells are generally positioned 10-15 meters below the basic raft, and the precipitation wells are continuously pumped for 24 hours before excavation so as to meet the water level requirement in the earth excavation and foundation construction.
When the dewatering well normally pumps and discharges, underground water in the dewatering well is pumped out through a vacuum pump or a submersible pump, and flows into a sedimentation tank after being collected through a water collecting main pipe arranged on the periphery of the upper opening of the foundation pit, the sedimentation tank is arranged at the end part of the water collecting main pipe, and pumped water is discharged into a city drainage system after sediment is precipitated, so that the purpose of reducing the water level of a soil layer in the foundation pit is achieved.
When the excavation of the foundation pit is finished and the construction of the building structure reaches a certain stage and the precipitation stopping condition meeting the design requirement is met, the precipitation well needs to be plugged to prevent underground water from permeating into the basement of the building.
The existing well sealing device has abundant underground water, the underground water is ejected from a well mouth in a short time after the well is stopped and a pump is pulled out, micro-expansion concrete filling and subsequent steel plate sealing welding cannot be finished, the pump can only be continuously pumped out to pump water, a solution is found, the construction period is delayed, economic loss is brought, and if more ejected water is ejected, articles in a basement can be damaged, and the problem is deeply puzzled by engineering design, management and constructors.
Therefore, the well sealing device for the steel deep foundation pit downcomer well is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to compensate prior art's not enough, solve current shut-in well device groundwater abundant, in the short time after the pump is pulled out in the shut-in well, groundwater emits from the well head, can't accomplish micro-expansion concrete and fill in and follow-up steel sheet sealing weld, can only continue to pump down and draw water, look for the solution, delay the time limit for a project, bring economic loss, if the more article that still probably produce the harm to the basement of water that emit, engineering design, management, constructor's problem is puzzled deeply to this problem, the utility model provides a steel deep basal pit downcast water pipe well shut-in well device.
The utility model provides a technical scheme that its technical problem adopted is: a steel deep basal pit downcast pipe well shut-in well device, protect a section of thick bamboo and take silk DN50 galvanized steel pipe including the steel, the top welding that the steel protected a section of thick bamboo has the steel sheet, take silk DN50 galvanized steel pipe welds in the inside of steel sheet, the drinking-water pipe is installed to the top of taking silk DN50 galvanized steel pipe, and the inside packing of steel protecting a section of thick bamboo has the graded grit, the internally mounted of graded grit has the water pipeline, and the bottom of water pipeline is connected with the water pump, the outside welding that the steel protected a section of thick bamboo has the seal ring, and the outside of seal ring is building raft, the externally mounted of water pump has no husky cement well pipe, take the port of silk DN50 galvanized steel pipe to install and take the silk stifled cap.
Preferably, the steel plate is welded with the DN50 galvanized steel pipe with the wire, the diameter of the DN50 galvanized steel pipe with the wire is 63mm, the thickness of the steel plate is 5mm, and the height of the DN50 galvanized steel pipe with the wire above and below the steel plate is 100mm and 300mm.
Preferably, the water stop ring is connected with the steel casing in a welding mode, the thickness of the water stop ring is 5mm, and the width of the water stop ring is 300mm.
Preferably, the distance between the building raft and the top of the steel casing is 50mm, and the thickness and the diameter of the steel casing are 50mm and 300mm respectively.
The utility model discloses an useful part lies in:
1. the utility model discloses a set up steel sheet and take silk DN50 to weld each other between the galvanized steel pipe, thus make in the inside of steel sheet open with take silk DN50 galvanized steel pipe diameter after the round hole that coincide each other, with take silk DN50 galvanized steel pipe welding in the round hole in the steel sheet, later the suction pipe can pass and take a silk DN50 galvanized steel pipe inside to normally draw water, after welding steel sheet and steel protecting cylinder, block the DN50 galvanized steel pipe of top belt silk with the galvanized belt silk stop cap, later use 600 x 200mm impervious concrete C60 seal cap, just can block the downcomer well;
2. the utility model discloses a it draws water to be provided with a steel at building raft, thereby make ground water level reduce, can satisfy the requirement of building construction to the water level, setting up waterproof ability and the stability that improves the device through the seal ring, avoid the device to damage, avoid the device to seep water to building raft outside when using, again through steel sheet and take silk DN50 galvanized steel pipe welding, make the water pipe pass and take silk DN50 galvanized steel pipe normally to draw water, when guaranteeing to need the shut-in, the effective welding with a steel casing can be accomplished to the steel sheet, and when stopping the water pump and drawing water, cut off the water pipe, and seal top area silk DN50 galvanized steel pipe fast with taking silk blanking cap, prevent that groundwater from oozing, delay the time limit for a project, cause economic loss.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic front view of the utility model;
FIG. 2 is a schematic structural view of the plug with the screw plug cap of the utility model;
fig. 3 is a schematic structural view of the utility model steel plate in a top view.
In the figure: 1. a steel casing; 2. a steel plate; 3. a galvanized steel pipe with a wire DN 50; 4. a water pumping pipe; 5. grading sand and stone; 6. a water line; 7. a water pump; 8. a water stop ring; 9. building rafts; 10. a sand-free cement well pipe; 11. the cap is plugged with threads.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1-3, a well sealing device for a steel deep foundation pit downcast pipe well comprises a steel protective cylinder 1 and a threaded DN50 galvanized steel pipe 3, a steel plate 2 is welded on the top of the steel protective cylinder 1, the threaded DN50 galvanized steel pipe 3 is welded inside the steel plate 2, a water pumping pipe 4 is installed above the threaded DN50 galvanized steel pipe 3, graded gravel 5 is filled inside the steel protective cylinder 1, a water pipeline 6 is installed inside the graded gravel 5, a water pump 7 is connected to the bottom of the water pipeline 6, a water stop ring 8 is welded outside the steel protective cylinder 1, a building raft 9 is arranged outside the water stop ring 8, a sand-free cement well pipe 10 is installed outside the water pump 7, and a threaded plug cap 11 is installed at the end of the threaded DN50 galvanized steel pipe 3.
The galvanized steel pipe 3 with the wire DN50 is in welded connection with the steel plate 2, the diameter of the galvanized steel pipe 3 with the wire DN50 is 63mm, the thickness of the steel plate 2 is 5mm, and the height of the galvanized steel pipe 3 with the wire DN50 above and below the steel plate 2 is respectively 100mm and 300mm, so that after a round hole matched with the diameter of the galvanized steel pipe 3 with the wire DN50 at the top is formed in the steel plate 2, the galvanized steel pipe 3 with the wire DN50 at the top is welded in the round hole in the steel plate 2, the water pumping pipe 4 can pass through the inside of the galvanized steel pipe 3 with the wire DN50 at the top to pump water normally, after the steel plate 2 and the steel protection cylinder 1 are welded, the galvanized steel pipe 3 with the wire DN50 at the top is blocked by the plugging cap 11 with the wire, and then the water lowering well can be sealed by the sealing cap of concrete c60 of 600 multiplied by 600 by 200 mm.
For welded connection between the section of thick bamboo 1 is protected to the stagnant water ring 8 and steel, and the thickness of stagnant water ring 8 is 5mm to the width of stagnant water ring 8 is 300mm, thereby makes stagnant water ring 8 in the inside parallel installation each other of device, can prevent that water from oozing down, improves the waterproof ability and the stability of device through setting up of stagnant water ring 8, avoids the device to damage, avoids the device to the outside infiltration of building raft 9 when using.
The distance of building raft 9 and 1 top of a steel casing is 50mm, and the thickness and the diameter of a steel casing 1 are 50mm, 300mm respectively to make building raft 9 can protect a steel casing 1, improve the waterproof ability and the stability of device, avoid the device to damage, avoid the device groundwater to ooze when using, delay the time limit for a project.
Firstly, after a round hole which is matched with the diameter of the top DN50 galvanized steel pipe 3 is formed in the steel plate 2, the DN50 galvanized steel pipe 3 is welded in the round hole in the steel plate 2, then the water pumping pipe 4 can normally pump water through the inside of the top DN50 galvanized steel pipe 3, after the steel plate 2 is welded with the steel protection cylinder 1, the top DN50 galvanized steel pipe 3 with the wire is blocked by the galvanized wire blocking cap 11, then the water descending well can be sealed by using a 600 x 200mm concrete c60 blocking cap, water stop rings 8 are uniformly welded on the outside of the steel protection cylinder 1, the water stop rings 8 are arranged in parallel in the device, water seepage can be prevented, 1-2cm is filled with sand 5 in the 1:2 grade of the steel protection cylinder 1, and the water seepage prevention capability of the device is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.
Claims (4)
1. The utility model provides a steel deep basal pit downcomer well shut-in well device, protects a section of thick bamboo (1) and takes silk DN50 galvanized steel pipe (3) including the steel, its characterized in that: the top welding of a section of thick bamboo (1) is protected to the steel has steel sheet (2), take silk DN50 galvanized steel pipe (3) weld in the inside of steel sheet (2), take silk DN50 galvanized steel pipe (3) the top install drinking-water pipe (4), and the inside packing of a section of thick bamboo (1) has graded grit (5), the internally mounted of graded grit (5) has water pipeline (6), and the bottom of water pipeline (6) is connected with water pump (7), the outer weld of a section of thick bamboo (1) is stagnant water ring (8), and the outside of stagnant water ring (8) is building raft board (9), the externally mounted of water pump (7) has no husky cement well pipe (10), take silk DN50 galvanized steel pipe's (3) port to install and take silk stifled cap (11).
2. The well sealing device for the downcast pipe well of the steel deep foundation pit as claimed in claim 1, wherein: be welded connection between hairline DN50 galvanized steel pipe (3) and steel sheet (2), and hairline DN50 galvanized steel pipe's (3) diameter is 63mm to the thickness of steel sheet (2) is 5mm, and hairline DN50 galvanized steel pipe (3) is 100mm, 300mm high about steel sheet (2).
3. The well sealing device for the steel deep foundation pit downcast pipe well as claimed in claim 1, wherein: the water stop ring (8) is connected with the steel casing (1) in a welding mode, the thickness of the water stop ring (8) is 5mm, and the width of the water stop ring (8) is 300mm.
4. The well sealing device for the downcast pipe well of the steel deep foundation pit as claimed in claim 1, wherein: the distance between the building raft (9) and the top of the steel casing (1) is 50mm, and the thickness and the diameter of the steel casing (1) are respectively 50mm and 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223081191.8U CN218880923U (en) | 2022-11-21 | 2022-11-21 | Well sealing device for steel deep foundation pit dewatering pipe well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223081191.8U CN218880923U (en) | 2022-11-21 | 2022-11-21 | Well sealing device for steel deep foundation pit dewatering pipe well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218880923U true CN218880923U (en) | 2023-04-18 |
Family
ID=85977435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223081191.8U Active CN218880923U (en) | 2022-11-21 | 2022-11-21 | Well sealing device for steel deep foundation pit dewatering pipe well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218880923U (en) |
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2022
- 2022-11-21 CN CN202223081191.8U patent/CN218880923U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231229 Address after: No. 1, No. 393 Sanjianfang, Sanjianfang Township, Chaoyang District, Beijing, 100000 Patentee after: Hu Jun Address before: No. 11 Xinyuan Mingjia, Xinyuan Road, Zhengzhou City, Henan Province, 450000 Patentee before: Fan Qiansong |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240115 Address after: 100000 A1758, 1st Floor, Building 1, Courtyard 2, Yongcheng North Road, Haidian District, Beijing Patentee after: Beijing Zhengyang Jiye Geotechnical Engineering Co.,Ltd. Address before: No. 1, No. 393 Sanjianfang, Sanjianfang Township, Chaoyang District, Beijing, 100000 Patentee before: Hu Jun |