CN214245790U - Plugging structure of dewatering well in foundation pit - Google Patents
Plugging structure of dewatering well in foundation pit Download PDFInfo
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- CN214245790U CN214245790U CN202022528471.3U CN202022528471U CN214245790U CN 214245790 U CN214245790 U CN 214245790U CN 202022528471 U CN202022528471 U CN 202022528471U CN 214245790 U CN214245790 U CN 214245790U
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Abstract
The utility model relates to a precipitation well block structure in foundation ditch, include: the casing is inserted into the dewatering well; the vertical pipe is fixedly arranged on the sleeve pipe, and a first water stop ring is fixedly sleeved on the vertical pipe; pouring a bottom plate which is formed in the foundation pit and is embedded with the vertical pipe; pouring a first concrete structure formed in the sleeve and the vertical pipe, wherein the top surface of the first concrete structure is lower than that of the vertical pipe; the water stop plate is arranged in the vertical pipe and used for blocking the vertical pipe and is positioned on the first concrete structure; and pouring a second concrete structure formed on the water stop plate, wherein the top surface of the second concrete structure is flush with the top surface of the vertical pipe. This application establishes fixed first stagnant water ring through at the riser overcoat and prevents that water from upwards spilling out along the outer wall of riser, establishes the stagnant water board through sealing in the riser and can prevent that water from upwards spilling out along the inner wall of riser to the water of having avoided spilling out gets into the problem that the bottom plate leads to the bottom plate seepage.
Description
Technical Field
The utility model relates to a building technical field refers in particular to a precipitation well block structure in foundation ditch.
Background
With the development of economy, more and more land is put into construction in coastal areas of coastal cities, but because offshore areas are closer to the sea, the underground water level is higher, the influence of tide is larger, the arrangement density and the number of foundation pit precipitation wells are increased, even the precipitation wells are positioned on the bottom plate of a basement, the phenomenon is very common, and the problems that water rises upwards along the inner wall or the outer wall of the precipitation well and the bottom plate leaks still exist after the existing precipitation wells are plugged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a precipitation well block structure in foundation ditch to there is the problem of precipitation well water-logging, bottom plate seepage after solving current precipitation well shutoff.
In order to achieve the above object, the utility model provides a precipitation well block structure in foundation ditch, include:
the casing is inserted into the dewatering well;
the vertical pipe is fixedly arranged on the sleeve pipe, and a first water stop ring is fixedly sleeved on the vertical pipe;
pouring a bottom plate which is formed in the foundation pit and is used for embedding and fixing the vertical pipe;
pouring a first concrete structure formed in the sleeve and the vertical pipe, wherein the top surface of the first concrete structure is lower than that of the vertical pipe;
the water stop plate is arranged in the vertical pipe and used for blocking the vertical pipe, and is positioned above the first concrete structure; and
and pouring a second concrete structure formed on the water stop plate, wherein the top surface of the second concrete structure is flush with the top surface of the vertical pipe.
The utility model discloses an establish fixed first seal ring at the riser overcoat and prevent that water from upwards emitting along the outer wall of riser, establish the sealing plate and can prevent that water from upwards emitting along the inner wall of riser through sealing in the riser to avoided the water that emits to get into the problem that the bottom plate leads to the bottom plate seepage.
The utility model discloses a precipitation well block structure in the foundation pit is further improved in that a bottom plate cushion layer is laid on the bottom surface of the foundation pit;
the first water stop ring is sleeved and fixed on the vertical pipe and positioned on the bottom plate cushion layer;
the bottom plate is poured and formed on the bottom plate cushion layer and the first water stop ring.
The utility model discloses precipitation well block structure's in foundation ditch further improvement lies in, still establish including the cover and be fixed in the riser is close to the second seal ring of its top surface department.
The utility model discloses a precipitation well block structure in the foundation pit is further improved in that the structure also comprises a waterproof layer;
the waterproof layer is laid on the bottom plate cushion layer and the first water stop ring, and the vertical pipe is wrapped after being bent and laid below the second water stop ring.
The utility model discloses precipitation well block structure's further improvement lies in the foundation ditch, the concrete strength of second concrete structure is greater than the concrete strength of first concrete structure.
The utility model discloses precipitation well block structure's further improvement lies in the foundation ditch, the cross sectional dimension of stagnant water board with the cross sectional dimension of riser inner wall is the same.
The utility model discloses a precipitation well block structure in the foundation pit further improves to lie in, form a clearance between said sleeve pipe and said precipitation well, the said clearance fills and forms the water filtration layer;
the top surface of the casing is lower than that of the dewatering well;
the pipe wall of the sleeve is provided with a plurality of through holes.
The utility model discloses precipitation well block structure's further improvement lies in the foundation ditch, the top surface of riser with the top surface parallel and level of bottom plate.
Drawings
Figure 1 is the utility model discloses precipitation well block structure's in foundation ditch structural schematic.
In the figure: the water-reducing well comprises a precipitation well-1, a sleeve-2, a vertical pipe-3, a first water stop ring-41, a second water stop ring-42, a bottom plate-51, a bottom plate cushion layer-52, a first concrete structure-61, a second concrete structure-62, a water stop plate-7, a waterproof layer-8 and a water filtering layer-9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a precipitation well block structure in foundation ditch for the shutoff precipitation well. The utility model discloses block structure includes: sleeve pipe, riser, first concrete structure, first stagnant water ring, stagnant water board and second concrete structure prevent water from upwards spilling along the outer wall of riser through establishing fixed first stagnant water ring at the riser overcoat, establish the stagnant water board through sealing in the riser and can prevent that water from upwards spilling along the inner wall of riser to avoided the water that spills to get into the problem that the bottom plate leads to the bottom plate seepage.
The following description is provided for the plugging structure of the dewatering well in the foundation pit with reference to the accompanying drawings.
Referring to fig. 1, the structural schematic diagram of the dewatering well plugging structure in the foundation pit is shown. In this embodiment, a precipitation well block structure in foundation ditch includes: the water-stopping device comprises a sleeve 2, a vertical pipe 3, a first concrete structure 61, a first water-stopping ring 41, a water-stopping plate 7 and a second concrete structure 62, wherein the sleeve 2 is inserted into the precipitation well 1, the vertical pipe 3 is fixedly arranged on the sleeve 2, the first water-stopping ring 41 is fixedly sleeved on the vertical pipe 3, a bottom plate 51 is formed in a foundation pit in a pouring mode and is embedded with the vertical pipe 3, the first concrete structure 61 is formed in the sleeve 2 and the vertical pipe 3 in a pouring mode, the top surface of the first concrete structure 61 is lower than the top surface of the vertical pipe 3, the water-stopping plate 7 is arranged in the vertical pipe 3 and blocks the vertical pipe 3, the water-stopping plate 7 is located on the first concrete structure 61, the second concrete structure 62 is formed on the water-stopping plate 7 in a pouring mode, and the top surface of the second concrete structure 62 is flush with the top surface of the vertical pipe 3.
In the embodiment, the first water stop ring 41 is sleeved outside the vertical pipe 3 to prevent water from upwards flowing out along the outer wall of the vertical pipe 3, and the water stop plate 7 is sealed in the vertical pipe 3 to prevent water from upwards flowing out along the inner wall of the vertical pipe 3, so that the problem that the flowing water enters the bottom plate 51 to cause leakage of the bottom plate 51 is avoided.
Referring to fig. 1, in the present embodiment, a bottom plate pad 52 is formed on the bottom surface of the foundation pit, the first water stop ring 41 is fixed on the vertical pipe and located on the bottom plate pad 52, and the first water stop ring 41 can prevent water from penetrating into the bottom plate 51 along the outer wall of the vertical pipe 3. The bottom plate 51 is poured and formed on the bottom plate cushion layer 52 and the first water stop ring 41.
Referring to fig. 1, further, the plugging structure further comprises a second water stop ring 42 fixed to the vertical pipe 3 near the top surface thereof, further preventing water from flowing upward along the outer wall of the vertical pipe 3 and thus the top end of the vertical pipe 3 from emerging.
Referring to fig. 1, further, the plugging structure further includes a waterproof layer 8, wherein the waterproof layer 8 is laid on the bottom plate cushion layer 52 and the first water stop ring 41, wraps the vertical pipe 3 after being bent at the vertical pipe 3, and is laid below the second water stop ring 42, so as to prevent water from penetrating into the bottom plate 51 along the outer wall of the vertical pipe 3.
Specifically, the waterproof layer 8 is formed by laying a waterproof roll.
Preferably, the concrete strength of the second concrete structure 62 is greater than the concrete strength of the first concrete structure 61. Specifically, the first concrete structure 61 and the second concrete structure 62 both use micro-expansive concrete.
Preferably, the water stop plate 7 has the same cross-sectional dimensions as the inner wall of the riser 3.
Referring to fig. 1, in the present embodiment, a gap is formed between the casing 2 and the precipitation well 1, the filter layer 9 is filled in the gap, the top surface of the casing 2 is lower than the top surface of the precipitation well 1, and the wall of the casing 2 is provided with a plurality of perforations, so that the precipitation well 1 can still be used for foundation pit precipitation after the bottom plate 51 is poured.
Preferably, the drainage layer 9 is formed by filling with grit.
Referring to fig. 1, preferably, the top surface of the standpipe 3 is flush with the top surface of the bottom plate 51.
Preferably, the stand pipe 3 is a steel pipe; the sleeve 2 is a PVC pipe; the water stop plate 7, the first water stop ring 41 and the second water stop ring 42 are all made of steel plates.
The work flow of the plugging structure of the dewatering well 1 in the foundation pit of the utility model is explained below.
Inserting a casing 2 into a precipitation well 1 to form a gap between the casing 2 and the precipitation well 1, filling coarse sand into the gap to form a water filtering layer, fixing a vertical pipe on the casing 2, laying a bottom plate cushion layer on the bottom surface of a foundation pit, fixing a first water stop ring on the vertical pipe at a position above the bottom plate cushion layer, fixing a second water stop ring on the vertical pipe at a position close to the top surface of the vertical pipe, laying a waterproof layer 8 on the bottom plate cushion layer and the first water stop ring, bending the vertical pipe to wrap the vertical pipe, laying the vertical pipe below the second water stop ring, pouring a bottom plate on the foundation pit above the bottom plate cushion layer to form the bottom plate and embed the vertical pipe and the second water stop ring, pumping water by a water pump and withdrawing the water pump, pouring a first concrete structure 61 in the casing 2 and the vertical pipe to form a first concrete structure 61, making the top surface of the first concrete structure 61 lower than the top surface of the vertical pipe, fixing a water stop plate 7 at a position above the first concrete structure 61 in the vertical pipe to block the vertical pipe, and pouring a second concrete structure 62 on the water stop plate 7, wherein the top surface of the second concrete structure 62 is flush with the top surface of the vertical pipe.
By adopting the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses an establish fixed first seal ring at the riser overcoat and prevent that water from upwards emitting along the outer wall of riser, establish the sealing plate and can prevent that water from upwards emitting along the inner wall of riser through sealing in the riser to avoided the water that emits to get into the problem that the bottom plate leads to the bottom plate seepage. And after the bottom plate is poured, the foundation pit can still be subjected to precipitation by using the precipitation well. The materials are common construction materials, and the preparation is simple and the cost is low.
Claims (8)
1. The utility model provides a precipitation well block structure in foundation ditch which characterized in that includes:
the casing is inserted into the dewatering well;
the vertical pipe is fixedly arranged on the sleeve pipe, and a first water stop ring is fixedly sleeved on the vertical pipe;
pouring a bottom plate which is formed in the foundation pit and is used for embedding and fixing the vertical pipe;
pouring a first concrete structure formed in the sleeve and the vertical pipe, wherein the top surface of the first concrete structure is lower than that of the vertical pipe;
the water stop plate is arranged in the vertical pipe and used for blocking the vertical pipe, and is positioned above the first concrete structure; and
and pouring a second concrete structure formed on the water stop plate, wherein the top surface of the second concrete structure is flush with the top surface of the vertical pipe.
2. The plugging structure for the dewatering well in the foundation pit according to claim 1, wherein a bottom plate cushion layer is paved and formed on the bottom surface of the foundation pit;
the first water stop ring is sleeved and fixed on the vertical pipe and positioned on the bottom plate cushion layer;
the bottom plate is poured and formed on the bottom plate cushion layer and the first water stop ring.
3. The plugging structure for a dewatering well in a foundation pit according to claim 2, further comprising a second water stop ring sleeved and fixed on the vertical pipe near the top surface of the vertical pipe.
4. The plugging structure for the dewatering well in the foundation pit according to claim 3, further comprising a waterproof layer;
the waterproof layer is laid on the bottom plate cushion layer and the first water stop ring, and the vertical pipe is wrapped after being bent and laid below the second water stop ring.
5. The plugging structure for dewatering wells in foundation pit according to claim 1, wherein the concrete strength of the second concrete structure is greater than the concrete strength of the first concrete structure.
6. The plugging structure for a dewatering well in a foundation pit according to claim 1, wherein the cross-sectional dimension of the water stop plate is the same as the cross-sectional dimension of the inner wall of the stand pipe.
7. The plugging structure for the dewatering well in the foundation pit according to claim 1, wherein a gap is formed between the casing and the dewatering well, and a water filtering layer is filled in the gap;
the top surface of the casing is lower than that of the dewatering well;
the pipe wall of the sleeve is provided with a plurality of through holes.
8. The plugging structure for dewatering wells in foundation pit according to claim 1, wherein the top surface of the riser is flush with the top surface of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022528471.3U CN214245790U (en) | 2020-11-05 | 2020-11-05 | Plugging structure of dewatering well in foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022528471.3U CN214245790U (en) | 2020-11-05 | 2020-11-05 | Plugging structure of dewatering well in foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214245790U true CN214245790U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022528471.3U Active CN214245790U (en) | 2020-11-05 | 2020-11-05 | Plugging structure of dewatering well in foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214245790U (en) |
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2020
- 2020-11-05 CN CN202022528471.3U patent/CN214245790U/en active Active
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