CN220725158U - Device suitable for sealing off water of deep foundation pit dewatering well - Google Patents
Device suitable for sealing off water of deep foundation pit dewatering well Download PDFInfo
- Publication number
- CN220725158U CN220725158U CN202320832041.1U CN202320832041U CN220725158U CN 220725158 U CN220725158 U CN 220725158U CN 202320832041 U CN202320832041 U CN 202320832041U CN 220725158 U CN220725158 U CN 220725158U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- seamless steel
- sealing
- water
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 78
- 239000010959 steel Substances 0.000 claims abstract description 78
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000008595 infiltration Effects 0.000 abstract 1
- 238000001764 infiltration Methods 0.000 abstract 1
- 230000035515 penetration Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
Abstract
The utility model discloses a water-stopping plugging device suitable for a deep foundation pit dewatering well, which comprises a seamless steel pipe and a well pipe, wherein the seamless steel pipe is sleeved outside the well pipe, a water-stopping ring is arranged around the outer wall of the seamless steel pipe, bottom plate concrete is arranged around the upper part of the seamless steel pipe, a sealing plate is arranged at the top end of the seamless steel pipe, waterproof mortar is arranged around the sealing plate, the seamless steel pipe comprises two semicircular pipes, the water-stopping ring comprises two semicircular rings, and the seamless steel pipe is prepared by butt welding the two semicircular pipes; this be adapted to sealing up device of deep basal pit dewatering well is favorable to the shutoff of dewatering well when using, can avoid thin water infiltration simultaneously, guarantees waterproof integrality and validity, satisfies the construction demand.
Description
Technical Field
The utility model relates to the technical field of dewatering wells, in particular to a water-stopping plugging device suitable for a deep foundation pit dewatering well.
Background
In the development process of deep foundation pit and underground space engineering of a rail transit station, the dewatering well can be stopped and plugged after the structures are completed, and in the process of constructing a bottom plate and a middle plate top plate, the construction is performed in a later period by adopting a mode of reserving a cavity.
In the field of building construction at present, in the development process of deep foundation pits and underground spaces, pipe well dewatering is common, after foundation concrete construction is completed, graded broken stone is filled, self-compaction concrete is filled, and a waterproof protective layer and a concrete protective layer are adhered; however, the structure cannot ensure continuous and effective operation of the dewatering well during foundation construction, is easy to cause later-stage leakage, has high repair cost, and does not meet the modern construction requirements.
Disclosure of Invention
The utility model aims to solve the problems and provide a device which is favorable for plugging a dewatering well, can avoid fine water penetration, ensures the integrity and effectiveness of water prevention and meets construction requirements and is suitable for water stop plugging of a deep foundation pit dewatering well.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a be adapted to device of stagnant water shutoff of deep basal pit dewatering well, includes seamless steel pipe and well pipe, seamless steel pipe sleeve establishes in the well pipe outside, be equipped with the water stop ring around the outer wall of seamless steel pipe, be equipped with the bottom plate concrete around the top of seamless steel pipe, the top of seamless steel pipe is equipped with the closing plate, be equipped with waterproof mortar around the closing plate.
Preferably, the seamless steel pipe comprises two semicircular pipes, the water stop ring comprises two semicircular rings, and the seamless steel pipe is prepared by welding the two semicircular pipes relatively.
Preferably, the end part of the seamless steel pipe is higher than the well pipe, micro-expansion waterproof concrete is filled between the end part of the well pipe and the end part of the seamless steel pipe, and the sealing plate covers the micro-expansion waterproof concrete and is fixed at the end part of the seamless steel pipe, wherein the sealing plate comprises a rubber sealing ring plate and a steel door plate, the rubber sealing ring plate is arranged below the steel door plate, the outer diameter of the steel door plate is consistent with the inner diameter of the seamless steel pipe, and the steel door plate is fixed on the inner wall of the seamless steel pipe through welding.
Preferably, waterproof coiled materials are arranged at the bottom of the bottom plate concrete.
Preferably, the inner wall of the seamless steel pipe is not in contact with the outer wall of the well pipe.
Preferably, the surface of the bottom plate concrete is flush with the surface of the waterproof mortar.
The utility model discloses a device suitable for water stop and plugging of a deep foundation pit dewatering well, which comprises a seamless steel pipe and a well pipe, wherein the seamless steel pipe is sleeved outside the well pipe, a water stop ring is arranged around the outer wall of the seamless steel pipe, bottom plate concrete is arranged around the upper part of the seamless steel pipe, a sealing plate is arranged at the top end of the seamless steel pipe, waterproof mortar is arranged around the sealing plate, the seamless steel pipe comprises two semicircular pipes, the water stop ring comprises two semicircular rings, and the seamless steel pipe is prepared by butt welding the two semicircular pipes; compared with the prior art, the device suitable for the water stop blocking of the deep foundation pit dewatering well has the beneficial effects that the dewatering well is blocked when in use, fine water penetration can be avoided, the integrity and the effectiveness of water resistance are ensured, and the construction requirement is met.
Drawings
Fig. 1 is a schematic structural diagram of a device for sealing off water in a dewatering well of a deep foundation pit.
Fig. 2 is a schematic structural diagram II of a device for sealing off water of a dewatering well of a deep foundation pit.
In the figure: 1. a seamless steel pipe; 11. a semicircular tube; 2. a water stop ring; 3. a well pipe; 4. a rubber seal ring plate; 5. a steel door panel; 6. waterproof mortar; 7. waterproof coiled materials; 8. the bottom plate is made of concrete; 9. micro-expansion waterproof concrete.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.
Referring to fig. 1-2, a device for sealing off water of a deep foundation pit dewatering well comprises a seamless steel pipe 1 and a well pipe 3, wherein the seamless steel pipe 1 is sleeved outside the well pipe 3, a water sealing ring 2 is arranged around the outer wall of the seamless steel pipe 1, a bottom plate concrete 8 is arranged around the upper part of the seamless steel pipe 1, a waterproof coiled material 7 is arranged at the bottom of the bottom plate concrete 8, a sealing plate is arranged at the top end of the seamless steel pipe 1, waterproof mortar 6 is arranged around the sealing plate, and the surface of the bottom plate concrete 8 is flush with the surface of the waterproof mortar 6; when the waterproof pipe is used, the peripheries of the seamless steel pipe 1 and the well pipe 3 are filled with concrete, so that the whole is kept stable, and as the water stop ring 2 is arranged on the periphery of the outer wall of the seamless steel pipe 1, the penetration of capillary water of the bottom plate concrete 8 along the outer wall of the seamless steel pipe 1 can be intercepted, and the waterproof quality is further improved.
The seamless steel pipe 1 comprises two semicircular pipes 11, the water stop ring 2 comprises two semicircular rings, the seamless steel pipe 1 is prepared by oppositely welding the two semicircular pipes 11, and the seamless steel pipe 1 is convenient to encircle the well pipe 3; in addition, the inner wall of the seamless steel tube 1 is not contacted with the outer wall of the well tube 3, so that the well tube is convenient to cut in the later period.
After the well pipe is cut, the end part of the seamless steel pipe 1 is higher than the well pipe 3, micro-expansion waterproof concrete 9 is filled between the end part of the well pipe 3 and the end part of the seamless steel pipe 1 (the height difference between the end part of the well pipe 3 and the end part of the seamless steel pipe 1), the inside of the well pipe 3 is sealed by the micro-expansion waterproof concrete 9, a sealing plate, a water stop ring and a waterproof coiled material are further waterproof to avoid penetration after sealing, the sealing plate covers the micro-expansion waterproof concrete 9 and is fixed at the end part of the seamless steel pipe 1, wherein the sealing plate comprises a rubber sealing ring plate 4 and a steel door plate 5, the rubber sealing ring plate 4 is arranged below the steel door plate 5, the outer diameter of the steel door plate 5 is consistent with the inner diameter of the seamless steel pipe 1, and the steel door plate 5 is fixed on the inner wall of the seamless steel pipe 1 through welding.
When the novel water-stopping and plugging device suitable for the deep foundation pit dewatering well is specifically used, firstly, a seamless steel pipe 1 is sleeved around a well pipe 3, a foundation is poured, a waterproof coiled material 7 is paved, then, a bottom plate concrete 8 is poured, a water-stopping ring 2 is welded outside the seamless steel pipe 1, the water-stopping ring 2 is buried in the bottom plate concrete 8, and the penetration of capillary water on the outer wall of the seamless steel pipe by the foundation concrete can be intercepted; after the later stage structure construction is accomplished, the well pipe 3 in the seamless steel pipe 1 is cut off, and micro-expansion waterproof concrete 9 is filled into the interior, the top is welded with the sealing steel door plate 5, the size is consistent with the inner diameter of the seamless steel pipe 1, waterproof mortar is cast and leveled after the welding is completed, the foundation surface is consistent with the foundation surface of the bottom plate concrete 8, the waterproof closure before plugging is integrally ensured, the waterproof integrity and effectiveness are ensured, the later stage wellhead cutting plugging construction is simple, the waterproof quality can be ensured, and the construction requirement is met.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (5)
1. The device is characterized by comprising a seamless steel pipe and a well pipe, wherein the seamless steel pipe is sleeved outside the well pipe, a water stop ring is arranged around the outer wall of the seamless steel pipe, bottom plate concrete is arranged around the upper part of the seamless steel pipe, a sealing plate is arranged at the top end of the seamless steel pipe, and waterproof mortar is arranged around the sealing plate; the end part of the seamless steel pipe is higher than the well pipe, micro-expansion waterproof concrete is filled between the end part of the well pipe and the end part of the seamless steel pipe, and the sealing plate is covered with the micro-expansion waterproof concrete and fixed at the end part of the seamless steel pipe, wherein the sealing plate comprises a rubber sealing ring plate and a steel door plate, the rubber sealing ring plate is arranged below the steel door plate, the outer diameter of the steel door plate is consistent with the inner diameter of the seamless steel pipe, and the steel door plate is fixed on the inner wall of the seamless steel pipe through welding.
2. The device for sealing off water of a deep foundation pit dewatering well according to claim 1, wherein the seamless steel pipe comprises two semicircular pipes, the water sealing ring comprises two semicircular rings, and the seamless steel pipe is prepared by welding the two semicircular pipes relatively.
3. The device for sealing off water of a dewatering well adapted to a deep foundation pit according to claim 1, wherein the bottom of the bottom plate concrete is provided with a waterproof coiled material.
4. The device for sealing off water of a dewatering well adapted to a deep foundation pit according to claim 1, wherein the inner wall of the seamless steel pipe is not in contact with the outer wall of the well pipe.
5. The device for sealing off water suitable for deep foundation pit dewatering wells according to claim 1, wherein the surface of the floor concrete is flush with the surface of the waterproof mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832041.1U CN220725158U (en) | 2023-04-14 | 2023-04-14 | Device suitable for sealing off water of deep foundation pit dewatering well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832041.1U CN220725158U (en) | 2023-04-14 | 2023-04-14 | Device suitable for sealing off water of deep foundation pit dewatering well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220725158U true CN220725158U (en) | 2024-04-05 |
Family
ID=90500948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320832041.1U Active CN220725158U (en) | 2023-04-14 | 2023-04-14 | Device suitable for sealing off water of deep foundation pit dewatering well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220725158U (en) |
-
2023
- 2023-04-14 CN CN202320832041.1U patent/CN220725158U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109881694B (en) | Construction structure and method for plugging foundation pit substrate water and sand gushing | |
| CN204343312U (en) | A kind of plugging device of precipitation well in foundation pit | |
| CN103437417B (en) | Part repair structure for steel lining of drainage pipeline | |
| CN204530733U (en) | Underground construction deep-well precipitation well head plugging structure | |
| CN111156032A (en) | Structure and method for reinforcing existing subway tunnel through inserting section steel into grouting pipe and grouting | |
| CN112832279A (en) | Waterproof structure and method for dewatering well of underground foundation pit | |
| CN102839691B (en) | Quick sealing method and device for sandless cement pipe deep well dewatering wellhead | |
| CN106592788A (en) | Blocking device for high pressure hole, construction method and application thereof | |
| CN109025899B (en) | Well sealing device | |
| CN109989470A (en) | The encapsulating method that precast concrete well is connect with steel band bellows | |
| CN207121916U (en) | Shut-in well structure | |
| CN220725158U (en) | Device suitable for sealing off water of deep foundation pit dewatering well | |
| CN211172024U (en) | A block structure for foundation ditch precipitation well | |
| CN214940041U (en) | Water leakage prevention structure of diaphragm wall | |
| CN104964121B (en) | A kind of sleeve water leakage plugging method | |
| CN104060622A (en) | Method for discharging water in pint through steel bucket in pit | |
| CN204420369U (en) | A kind of linkage structure of large-caliber drainage pipeline | |
| CN111878119B (en) | Subway tunnel ballast bed pipe piece wall post-grouting method | |
| CN204080861U (en) | Inspection-pit between a kind of Novel top pipeline section | |
| CN210113318U (en) | Foundation ditch basement gushes water and gushes sand plugging device | |
| CN110056012B (en) | Waterproof and drainage system of prefabricated open caisson structure | |
| CN203498985U (en) | Local repair structure for steel lining of exhaust pipeline | |
| CN202284334U (en) | Construction joint structure of concrete wall | |
| CN220117251U (en) | Basement bottom plate dewatering well enclosed construction | |
| CN218787367U (en) | Anti device that subsides of pipeline of going out to house |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |