CN109881692A - Pre-assembled dewatering well - Google Patents
Pre-assembled dewatering well Download PDFInfo
- Publication number
- CN109881692A CN109881692A CN201910221298.1A CN201910221298A CN109881692A CN 109881692 A CN109881692 A CN 109881692A CN 201910221298 A CN201910221298 A CN 201910221298A CN 109881692 A CN109881692 A CN 109881692A
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- material layer
- sealing piece
- sealing
- well casing
- assembled
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 66
- 239000004576 sand Substances 0.000 claims abstract description 26
- 238000005553 drilling Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000013049 sediment Substances 0.000 claims abstract description 9
- 239000003566 sealing material Substances 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 13
- 238000007569 slipcasting Methods 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention provides a kind of pre-assembled dewatering well, including a drilling and a prefabricated component component, prefabricated component component are set in drilling；Prefabricated component component includes that a well casing, a filter, a sediment tube, plural block sealing piece, a plurality of reserved Grouting Pipes and a plurality of fill out sand tube, filter connect the well casing and be located at the bottom of the well casing, and the sediment tube is connected to the bottom of the filter；Sealing piece interval is fixed on the outer wall of well casing and is located at the top of filter；Reserved Grouting Pipe and fill out sand tube are fixedly connected along the outside for being axially set in well casing of well casing and with sealing piece respectively；The sealing piece at the top of each sealing piece is protruded into and between a sealing piece of each sealing piece bottom in the bottom end of reserved Grouting Pipe；The lower section of each sealing piece is protruded into the bottom end of fill out sand tube.A kind of pre-assembled dewatering well of the invention, water is big, sealing is good, follow-up maintenance effect is good, is not easy environmental protection of shaking out, and good influence can be brought to successive projects.
Description
Technical field
The present invention relates to drilling dewatering well technical field more particularly to a kind of pre-assembled dewatering wells.
Background technique
Bad dewatering well quality is one of maximum hidden danger of dewatering project, and current existing dewatering well generally has water
Small, water-stagnating effect bad and subsequent the problem of can not safeguarding, and shake out and can not repair, sequelae is difficult to solve, and has biggish
Subsequent hidden danger.
Currently, still lacking, a kind of water is big, sealing is good, follow-up maintenance effect is good, is not easy environmental protection of shaking out, and can give subsequent work
Journey brings the dewatering well well influenced.
Summary of the invention
In view of the deficiency of the prior art, the present invention provides a kind of pre-assembled dewatering well, and water is big, sealing
Well, follow-up maintenance effect is good, is not easy environmental protection of shaking out, and good influence can be brought to successive projects.
To achieve the goals above, the present invention provides a kind of pre-assembled dewatering well, including a drilling and a prefabricated component
Component, the prefabricated component component are set in the drilling；The prefabricated component component includes a well casing, a filter, a precipitating
Pipe, plural block sealing piece, a plurality of reserved Grouting Pipes and a plurality of fill out sand tube, the filter connect the well casing and are located at institute
The bottom of well casing is stated, the sediment tube is connected to the bottom of the filter；The well casing is fixed at the sealing piece interval
Outer wall and the top for being located at the filter；The reserved Grouting Pipe and the fill out sand tube are respectively along the axial direction setting of the well casing
In the well casing outside and be fixedly connected with the sealing piece；The bottom end of the reserved Grouting Pipe is protruded into positioned at each sealing
A sealing piece at the top of piece and between a sealing piece of each sealing piece bottom；The bottom end of the fill out sand tube
Protrude into the lower section of each sealing piece.
Preferably, each sealing piece cooperatively forms a back-up sand tube passage, and it is logical that the fill out sand tube is arranged in the fill out sand tube
It is fixedly connected in road and with the sealing piece；A sealing piece at the top of each sealing piece forms a reserved Grouting Pipe
Through-hole, the reserved Grouting Pipe are arranged in the reserved slip casting pipe through-hole and are fixedly connected with the sealing piece.
Preferably, the sealing piece is in a ring and the ring width of the sealing piece is equal or close to the drilling and the well casing
Distance.
Preferably, the prefabricated component component further includes one first sealing material layer；The first sealing material layer is coated on
Top outside the well casing and the sealing piece and positioned at the filter.
Preferably, the outside of the first sealing material layer is coated with watertight rubber band.
Preferably, the bottom end of the reserved Grouting Pipe is less than or equal to institute at a distance from the top surface of the first sealing material layer
State the one third of the first sealing material layer length.
It preferably, further include a filter material layer, the filter material layer is filled with the institute below the first sealing material layer
It states between well casing and the drilling, described drill drills between the sediment tube between the filter described.
It preferably, further include one second sealing material layer, the second sealing material layer is filled with to be stopped in described first
Between the well casing and the drilling above water material layer.
It preferably, further include a concrete layer, the concrete layer is set to the institute above the second sealing material layer
It states between well casing and the drilling.
Preferably, the first sealing material layer includes clay layers of balls；The second sealing material layer includes sealing clay
Layer.
The present invention due to use above technical scheme, make it have it is following the utility model has the advantages that
Well casing, filter, sealing piece, reserved Grouting Pipe, fill out sand tube and the first sealing material layer assembled in advance form prefabricated
Part component, it can be achieved that when making dewatering well one-step pore-creating, then by lower opening of prefabricated component component, it is convenient to construct, and can be big
Amplitude reduces the artificial construction error of uncertain factor bring of artificial working procedure, to guarantee the processing quality of dewatering well；
In addition, integrated prefabricated component modular construction can be with convenient overground part slip casting and lower part back-up sand, after being convenient in follow-up maintenance
The maintenance of phase.First sealing material layer can after prefabricated component component once enters hole water-swellable, can effectively ensure that the effect of sealing,
It can guarantee between filter and filter material layer that filtrate is uniform, it is ensured that big water yield without mud simultaneously.The use of watertight rubber band
It can further improve the water-stagnating effect of dewatering well.There is the first sealing material layer above filter material layer and is gone back in the first sealing material layer
It is provided with sealing piece, shaking out for filter material layer can be effectively prevent.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prefabricated component component of the pre-assembled dewatering well of the embodiment of the present invention；
Fig. 2 is the overall structure diagram of the pre-assembled dewatering well of the embodiment of the present invention.
Specific embodiment
Below according to attached drawing 1 and Fig. 2, presently preferred embodiments of the present invention is provided, and is described in detail, is enabled more preferable geographical
Solve function of the invention, feature.
It is prefabricated to please refer to Fig. 1 and Fig. 2, a kind of pre-assembled dewatering well of the embodiment of the present invention, including a drilling 1 and one
Part component 2, prefabricated component component 2 are set in drilling 1；Prefabricated component component 2 includes a well casing 21, a filter 22, a sediment tube
28, plural block sealing piece 23, a plurality of reserved Grouting Pipes 24 and a plurality of fill out sand tube 25, filter 22 connect the well casing 21 simultaneously
Positioned at the bottom of the well casing 21, sediment tube 28 is connected to the bottom of filter 22, and 22 diameter of filter can expand；Sealing piece 23
Interval is fixed on the outer wall of well casing 21 and is located at the top of filter 22；Reserved Grouting Pipe 24 and fill out sand tube 25 are respectively along well casing 21
The outside for being axially set in well casing 21 and be fixedly connected with sealing piece 23；The bottom end of reserved Grouting Pipe 24 is protruded into positioned at each sealing
One sealing piece 23 at the top of piece 23 and between a sealing piece 23 of each 23 bottom of sealing piece；The bottom end of fill out sand tube 25 is protruded into respectively
The lower section of sealing piece 23.
In the present embodiment, each sealing piece 23 cooperatively forms a back-up sand tube passage, and fill out sand tube 25 is arranged in back-up sand tube passage
And it is fixedly connected with sealing piece 23；A sealing piece 23 positioned at each 23 top of sealing piece forms a reserved slip casting pipe through-hole, reserves
Grouting Pipe 24 is arranged in reserved slip casting pipe through-hole and is fixedly connected with the sealing piece 23.Fill out sand tube 25 is in addition to for filling filtrate
Effect outside, at the same time as inspection well use.
Sealing piece 23 is in a ring and the ring width of sealing piece 23 is equal or close to drilling 1 at a distance from well casing 21.
In addition, prefabricated component component 2 further includes one first sealing material layer 26；First sealing material layer 26 is coated on well casing 21
The top outer and positioned at filter 22 with sealing piece 23.The outside of first sealing material layer 26 is coated with watertight rubber band 27.
Well casing 21, filter 22, sealing piece 23, reserved Grouting Pipe 24, fill out sand tube 25 and the first sealing material layer 26 are in advance
Prefabricated component component 2 is assembled to form, it can be achieved that one-step pore-creating is applied then by 2 lower opening of prefabricated component component when making dewatering well
Work is convenient, and the artificial construction error of uncertain factor bring of artificial working procedure can be greatly reduced, to guarantee precipitation
The processing quality of well；In addition, integrated 2 structure of prefabricated component component can be easily by prefabricated component component in follow-up maintenance
2 top slip castings and lower part back-up sand, convenient for the maintenance in later period.
First sealing material layer 26 can after prefabricated component component 2 once enters hole water-swellable, can effectively ensure that the effect of sealing
Fruit, while can guarantee between filter 22 and filter material layer 3 that filtrate is uniform, it is ensured that big water yield without mud.Watertight rubber band 27
Use can further improve the water-stagnating effect of dewatering well.
The bottom end of reserved Grouting Pipe 24 is less than or equal to the first sealing material at a distance from the top surface of the first sealing material layer 26
The one third of 26 length of layer.
It further include a filter material layer 3, one second sealing material layer 4 and a concrete layer 5.Filter material layer 3 is filled in first
Between the well casing 21 and drilling 1 of 26 lower section of sealing material layer, drill between 1 and filter 22 between drilling 1 and sediment tube 28.
Second sealing material layer 4 is filled between the well casing 21 above the first sealing material layer 26 and drilling 1.Concrete layer 5 is set
It is placed between the well casing 21 and drilling 1 of 4 top of the second sealing material layer.
First sealing material layer 26 includes clay layers of balls；Second sealing material layer 4 includes sealing argillic horizon.
Meanwhile filter material layer 3 is filled between the well casing 21 and drilling 1 of 26 lower section of the first sealing material layer, namely filter
There is the first sealing material layer 26 in the top of the bed of material 3 and is additionally provided with sealing piece 23 in the first sealing material layer 26, can effectively prevent
Filter material layer 3 shakes out.
A kind of pre-assembled dewatering well of the embodiment of the present invention, it can be ensured that dewatering well quality, and can be to the maximum extent
Water is improved, water-stagnating effect is good, and subsequent reparation maintenance effects are good, and the minimum environmental protection of sand production rate brings to successive projects and operates conveniently
It is influenced with good, speed is fast, high-quality.Meanwhile disposable operation, convenient for management, quality and benifit is high, and back work is few, to subsequent
Work belt carrys out convenient construction.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (10)
1. a kind of pre-assembled dewatering well, which is characterized in that including a drilling and a prefabricated component component, the prefabricated component component
It is set in the drilling；The prefabricated component component includes a well casing, a filter, a sediment tube, plural block sealing piece, plural number
A reserved Grouting Pipe and a plurality of fill out sand tube, the filter connects the well casing and is located at the bottom of the well casing, described heavy
Shallow lake pipe is connected to the bottom of the filter；The sealing piece interval is fixed on the outer wall of the well casing and is located at the filter
Top；The reserved Grouting Pipe and the fill out sand tube respectively along the outside for being axially set in the well casing of the well casing and with
The sealing piece is fixedly connected；The sealing piece at the top of each sealing piece is protruded into the bottom end of the reserved Grouting Pipe
And it is located between a sealing piece of each sealing piece bottom；The bottom end of the fill out sand tube is protruded under each sealing piece
Side.
2. pre-assembled dewatering well according to claim 1, which is characterized in that each sealing piece cooperatively forms one and fills out
Sandpipe channel, the fill out sand tube are arranged in the back-up sand tube passage and are fixedly connected with the sealing piece；Positioned at it is each it is described only
A sealing piece at the top of water piece forms a reserved slip casting pipe through-hole, and the reserved Grouting Pipe is arranged in the reserved Grouting Pipe
It is fixedly connected in through-hole and with the sealing piece.
3. pre-assembled dewatering well according to claim 2, which is characterized in that the sealing piece in a ring and it is described only
The ring width of water piece is equal or close to the drilling at a distance from the well casing.
4. described in any item pre-assembled dewatering wells according to claim 1~3, which is characterized in that the prefabricated component component
It further include one first sealing material layer；The first sealing material layer is coated on outside the well casing and the sealing piece and is located at institute
State the top of filter.
5. pre-assembled dewatering well according to claim 4, which is characterized in that the outside of the first sealing material layer
It is coated with watertight rubber band.
6. pre-assembled dewatering well according to claim 5, which is characterized in that the bottom end of the reserved Grouting Pipe and institute
The distance for stating the top surface of the first sealing material layer is less than or equal to the one third of the first sealing material layer length.
7. pre-assembled dewatering well according to claim 6, which is characterized in that further include a filter material layer, the filtrate
Layer be filled with the well casing below the first sealing material layer and between the drilling, it is described drilling with the filtering
Between device between the drilling and the sediment tube.
8. pre-assembled dewatering well according to claim 7, which is characterized in that it further include one second sealing material layer,
The second sealing material layer is filled with the well casing above the first sealing material layer and between the drilling.
9. pre-assembled dewatering well according to claim 8, which is characterized in that it further include a concrete layer, it is described mixed
Solidifying soil layer is set to the well casing above the second sealing material layer and between the drilling.
10. pre-assembled dewatering well according to claim 9, which is characterized in that the first sealing material layer includes
Clay layers of balls；The second sealing material layer includes sealing argillic horizon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221298.1A CN109881692B (en) | 2019-03-22 | 2019-03-22 | Preassembled dewatering well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221298.1A CN109881692B (en) | 2019-03-22 | 2019-03-22 | Preassembled dewatering well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109881692A true CN109881692A (en) | 2019-06-14 |
| CN109881692B CN109881692B (en) | 2024-04-09 |
Family
ID=66933625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910221298.1A Active CN109881692B (en) | 2019-03-22 | 2019-03-22 | Preassembled dewatering well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109881692B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409474A (en) * | 2019-08-07 | 2019-11-05 | 中煤第三建设（集团）有限责任公司 | It is placed in the pipe well for lower water of diaphram wall bottom |
| CN111188350A (en) * | 2020-01-21 | 2020-05-22 | 上海勘察设计研究院(集团)有限公司 | Confined water dewatering well structure and dewatering method |
| CN111218949A (en) * | 2020-01-21 | 2020-06-02 | 上海勘察设计研究院(集团)有限公司 | Diving drainage well structure and drainage method |
| CN113833000A (en) * | 2021-09-29 | 2021-12-24 | 天津大学 | Dewatering well device based on expansion material and construction method thereof |
| CN115182369A (en) * | 2022-07-29 | 2022-10-14 | 中交(南京)建设有限公司 | Dewatering well structure and pile foundation construction method reconstructed by utilizing dewatering well |
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|---|---|---|---|---|
| WO1995013437A1 (en) * | 1993-11-12 | 1995-05-18 | Asahi Denka Kogyo Kabushiki Kaisha | Water expansion cut-off plate |
| CN202809665U (en) * | 2012-07-02 | 2013-03-20 | 上海长凯岩土工程有限公司 | Blocking device for relief well of micro artesian water in foundation pit |
| CN109356181A (en) * | 2018-10-12 | 2019-02-19 | 武汉市市政建设集团有限公司 | A kind of deep basal pit mixing dewatering well for multilayer aquifer system design |
| CN209854751U (en) * | 2019-03-22 | 2019-12-27 | 上海长凯岩土工程有限公司 | Prefabricated precipitation well |
-
2019
- 2019-03-22 CN CN201910221298.1A patent/CN109881692B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995013437A1 (en) * | 1993-11-12 | 1995-05-18 | Asahi Denka Kogyo Kabushiki Kaisha | Water expansion cut-off plate |
| CN202809665U (en) * | 2012-07-02 | 2013-03-20 | 上海长凯岩土工程有限公司 | Blocking device for relief well of micro artesian water in foundation pit |
| CN109356181A (en) * | 2018-10-12 | 2019-02-19 | 武汉市市政建设集团有限公司 | A kind of deep basal pit mixing dewatering well for multilayer aquifer system design |
| CN209854751U (en) * | 2019-03-22 | 2019-12-27 | 上海长凯岩土工程有限公司 | Prefabricated precipitation well |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409474A (en) * | 2019-08-07 | 2019-11-05 | 中煤第三建设（集团）有限责任公司 | It is placed in the pipe well for lower water of diaphram wall bottom |
| CN110409474B (en) * | 2019-08-07 | 2024-03-26 | 中煤第三建设（集团）有限责任公司 | Pipe well dewatering well arranged at bottom of underground diaphragm wall |
| CN111188350A (en) * | 2020-01-21 | 2020-05-22 | 上海勘察设计研究院(集团)有限公司 | Confined water dewatering well structure and dewatering method |
| CN111218949A (en) * | 2020-01-21 | 2020-06-02 | 上海勘察设计研究院(集团)有限公司 | Diving drainage well structure and drainage method |
| CN113833000A (en) * | 2021-09-29 | 2021-12-24 | 天津大学 | Dewatering well device based on expansion material and construction method thereof |
| CN115182369A (en) * | 2022-07-29 | 2022-10-14 | 中交(南京)建设有限公司 | Dewatering well structure and pile foundation construction method reconstructed by utilizing dewatering well |
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| Publication number | Publication date |
|---|---|
| CN109881692B (en) | 2024-04-09 |
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