CN111173013B - Progressive direct-pressure water intake pipe well - Google Patents
Progressive direct-pressure water intake pipe well Download PDFInfo
- Publication number
- CN111173013B CN111173013B CN201911349474.6A CN201911349474A CN111173013B CN 111173013 B CN111173013 B CN 111173013B CN 201911349474 A CN201911349474 A CN 201911349474A CN 111173013 B CN111173013 B CN 111173013B
- Authority
- CN
- China
- Prior art keywords
- water
- embedded
- pipe
- water storage
- pipe joint
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 230000000750 progressive effect Effects 0.000 title claims abstract description 20
- 238000005086 pumping Methods 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 16
- 238000002347 injection Methods 0.000 claims description 40
- 239000007924 injection Substances 0.000 claims description 40
- 238000001914 filtration Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000009412 basement excavation Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 230000003247 decreasing effect Effects 0.000 abstract description 4
- 238000001556 precipitation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a progressive direct-pressure water taking pipe well which comprises a bottom cone pressure inlet pipe joint, a lattice type filter-embedded water storage pipe joint and a top pressure pipe joint, wherein the bottom cone pressure inlet pipe joint is movably connected to the lower end of the lattice type filter-embedded water storage pipe joint, the lattice type filter-embedded water storage pipe joint is provided with at least one joint, and the top pressure pipe joint is movably connected to the upper end of the uppermost lattice type filter-embedded water storage pipe joint. The progressive straight-pressing water intake pipe well can simplify the precipitation process. The pipe well preset in advance is changed into the process of excavating along with the earthwork, the pipe well is firstly pressed into the soil body along with the earthwork in the progress direction for pumping water, the pipe well can be continuously pressed into the soil body for deepening along with the excavation depth of the earthwork, and at the moment, a water pumping facility can also be deeply inserted along with the pipe well without being changed. Because the mode of gradually taking water by direct pressure is adopted, the position of the well pipe can be increased, decreased and changed at any time according to the current situation of the earth excavation, and the requirement of the earth excavation is met.
Description
Technical Field
The invention relates to the technical field of drainage and drainage of earthwork in building construction, in particular to a progressive direct-pressure water taking pipe well.
Background
In the construction of engineering earthwork excavation, the soil body needs to be drained or precipitated in advance. At present, most projects adopt a pipe well type water pumping mode, and the existing pipe well is complex in arrangement structure and complex in construction. Generally, a hole is formed in the pipe well, and then a soil retaining filter layer is arranged on the periphery of the pipe. When the pipe well is deep, after the earthwork is excavated, the upper pipe well is exposed and needs to be reinforced or the water pumping facilities are changed in sections, so that the amount of used materials of the engineering is increased, and the problems of high water pumping cost, long time consumption and the like are caused.
Disclosure of Invention
In view of the defects of the prior art, the progressive straight pressing water taking pipe well adopts a progressive straight pressing water taking mode, and the position of a well pipe can be increased, decreased and changed at any time according to the current situation of earth excavation so as to meet the requirement of earth excavation.
The technical scheme of the invention is as follows: the progressive direct-pressure water taking pipe well comprises a bottom cone pressure inlet pipe joint, a lattice type filter-embedded water storage pipe joint and a top pressurizing pipe joint, wherein the bottom cone pressure inlet pipe joint is movably connected to the lower end of the lattice type filter-embedded water storage pipe joint, the lattice type filter-embedded water storage pipe joint is provided with at least one joint, and the top pressurizing pipe joint is movably connected to the upper end of the uppermost lattice type filter-embedded water storage pipe joint.
The bottom cone pressing-in pipe joint comprises a conical pressing body and an end ring arranged at the upper end of the conical pressing body, and the end ring is movably connected with a lower end flange of the lowest latticed embedded filter box water storage pipe joint.
The lattice type embedded filter box water storage pipe joint comprises a lattice type cylindrical frame body, wherein a filter box is embedded in the lattice type cylindrical frame body to form a cylinder wall of the lattice type cylindrical frame body, so that the lattice type cylindrical frame body forms a cylinder body capable of filtering and storing water, and the upper end and the lower end of the lattice type cylindrical frame body are respectively provided with a flange plate.
The top pressurizing pipe joint comprises a main bearing disc and a pressurizing plate, the main bearing disc is movably connected with an upper end flange plate of the uppermost latticed filter-embedded water storage pipe joint, a bearing frame is arranged between the main bearing disc and the pressurizing plate, a water pumping pipe of a water pumping facility extends into the latticed filter-embedded water storage pipe joint from the bearing frame to be pumped, and a pressurizing device applies pressure on the pressurizing plate to enable the whole body to be gradually pressed into a soil body to form a gradual-in direct-pressure water taking pipe well.
Preferably, a clamping seat for embedding the filter box is arranged on the lattice type cylindrical frame body.
Preferably, the lattice-type cylindrical frame body includes vertical members and an inner ring connected inside the vertical members. The bearing space of the tube well is formed by the vertical members and the inner rings, the inner side surface of the inner ring is the water storage space after the tube well is filtered, the space bearing frame formed by combining the vertical members and the inner rings is the main body for installing the filter boxes, and the side wall of the tube well is formed by installing a plurality of filter boxes and is used for retaining soil and filtering.
Preferably, the outer diameter of the flanges at the upper and lower ends of the lattice-type cylindrical frame body is larger than the outer diameter of the assembled filter cartridge, that is, the outer diameter of the flange is slightly larger than the outer diameter of the filter cartridge layer.
Preferably, the periphery of the upper end part of the lattice type embedded filter box water storage pipe section is provided with a high-pressure water injection nozzle, the inner cavity of the lattice type embedded filter box water storage pipe section is provided with a water injection vertical pipe, the water injection vertical pipe is mutually connected in series with the water injection vertical pipe in the inner cavity of the lattice type embedded filter box water storage pipe section through an upper joint and a lower joint, and the water injection vertical pipe is connected to the high-pressure water injection nozzle on the lattice type embedded filter box water storage pipe section. It should be understood that the vertical water injection pipe is segmented, and when the flanges are connected with each other, the sections of water injection pipes inside the vertical water injection pipe can be butted with each other. The high-pressure water injection nozzles can be connected to the lattice type filter-embedded box water storage pipe section in a bypassing manner, so that high-pressure water is conveyed to the high-pressure water injection nozzles; but also can be mutually butted with the water injection vertical pipes in the inner cavities of the upper and lower lattice type water storage pipe sections embedded with the filter box, thereby realizing the high-pressure water delivery among the sections.
Preferably, the outer diameter of the end ring is larger than that of a flange plate of the lattice type embedded filter box water storage pipe section, and a plurality of press-in plough blades are distributed on the outer edge of the end ring.
Preferably, when the progressive straight-pressing water taking pipe well is lifted and pulled back from the soil body, the high-pressure water injection nozzles on each section spray water outwards, and the nozzles of the high-pressure water injection nozzles are provided with elastic automatic valves.
Preferably, the middle of the main bearing disc is provided with a pumping facility installation and a through hole.
The invention has the beneficial effects that: the progressive straight-pressing water intake pipe well can simplify the precipitation process. The pipe well preset in advance is changed into the process of excavating along with the earthwork, the pipe well is firstly pressed into the soil body along with the earthwork in the progress direction for pumping water, the pipe well can be continuously pressed into the soil body for deepening along with the excavation depth of the earthwork, and at the moment, a water pumping facility can also be deeply inserted along with the pipe well without being changed. Because the mode of gradually taking water by direct pressure is adopted, the position of the well pipe can be increased, decreased and changed at any time according to the current situation of the earth excavation, and the requirement of the earth excavation is met. The invention is suitable for the upper-part water-accumulation type underground water structure of the earthwork. The invention can be used for sealing the pipe and can be used as a permanent buried water taking well. The invention can be repeatedly used for a plurality of times, achieves the aim of saving cost, and has less labor and short construction period.
Drawings
FIG. 1 is a schematic view of a progressive vertical-pressure water intake pipe well.
Fig. 2 is a schematic top view of a lattice type water storage pipe section with a filter box.
In the figure: 1, a lattice type filter box embedded water storage pipe joint 2, a bottom cone pressing pipe joint 3 and a top pressurizing pipe joint;
1.1-vertical member 1.2-inner ring 1.3-clamping seat 1.4-filter box 1.5-flange 1.6-high pressure water injection nozzle 1.7-water injection vertical pipe;
2.1-conical lower pressing body 2.2-end ring 2.3-pressing into plough blade;
3.1-main bearing disk 3.2-pressure plate 3.3-water pumping facility installation and through hole 3.4-bearing frame.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
As shown in fig. 1 to 2, the progressive straight-pressing water intake pipe well of the present invention includes a lattice filter-embedded water storage pipe section 1, a bottom cone pressing pipe section 2 and a top pressurizing pipe section 3, wherein the bottom cone pressing pipe section 2 is movably connected to the lower end of the lattice filter-embedded water storage pipe section 1, in this embodiment, the lattice filter-embedded water storage pipe section 1 has three sections, and the top pressurizing pipe section 3 is movably connected to the upper end of the uppermost lattice filter-embedded water storage pipe section 1.
The lattice embedded filter box water storage pipe joint 1 comprises a lattice cylindrical frame body, the lattice cylindrical frame body comprises a vertical component 1.1 and an inner ring 1.2 connected to the inner side of the vertical component 1.1, a clamping seat 1.3 used for embedding a filter box is arranged on the lattice cylindrical frame body, a filter box 1.4 is embedded on the lattice cylindrical frame body to form a filter box layer (cylinder wall) of the lattice cylindrical frame body, so that the lattice cylindrical frame body forms a cylindrical body capable of filtering and storing water, and the upper end and the lower end of the lattice cylindrical frame body are respectively provided with a flange plate 1.5. In other words, the vertical members 1.1 and the inner rings 1.2 form a bearing space of the well pipe, the inner side surface of the inner ring 1.2 is a water storage space after the well pipe is filtered, the space bearing frame formed by combining the vertical members 1.1 and the inner rings 1.2 is a main body for mounting the filter box 1.4, and the side wall of the well pipe is formed by mounting the plurality of filter boxes 1.4 and is used for retaining soil and filtering.
The outer diameter of the flange plates 1.5 at the upper end and the lower end of the lattice type cylindrical frame body is larger than that of the assembled filter box 1.4, namely the outer diameter of the flange plate 1.5 is slightly larger than that of the filter box layer.
The water injection device is characterized in that a high-pressure water injection nozzle 1.6 is distributed on the periphery of a flange plate at the upper end part of the lattice type embedded filter box water storage pipe joint 1, a water injection vertical pipe 1.7 is arranged in an inner cavity of the lattice type embedded filter box water storage pipe joint, the water injection vertical pipe 1.7 is connected with the water injection vertical pipe 1.7 in the inner cavity of the lattice type embedded filter box water storage pipe joint at the upper part and the lower part in series through an upper joint and a lower joint arranged on the water injection vertical pipe 1.7, and the water injection vertical pipe 1.7 is connected to the high-pressure water injection nozzle 1.6 on the lattice type. It should be understood that the vertical water injection pipe is segmented, and when the flanges are connected with each other, the sections of water injection pipes inside the vertical water injection pipe can be butted with each other. The high-pressure water injection nozzles 1.6 on the lattice type embedded filter box water storage pipe section can be connected by side, so that high-pressure water is conveyed to the high-pressure water injection nozzles 1.6; but also can be mutually butted with the water injection vertical pipe 1.7 of the inner cavity of the lattice type embedded filter box water storage pipe section of the upper section and the lower section, thereby realizing the high-pressure water delivery among the sections.
The bottom cone pressing pipe section 2 comprises a conical pressing body 2.1 and an end ring 2.2 arranged at the upper end of the conical pressing body 2.1, and the end ring 2.2 is movably connected with a lower end flange 1.5 of the lowest section of lattice type embedded filter box water storage pipe section 1; the outer diameter of the end ring 2.2 is larger than the outer diameter of a flange plate 1.5 of the lattice type embedded filter box water storage pipe section, and a plurality of press-in plough blades 2.3 are distributed on the outer edge of the end ring 2.2.
The top pressurizing pipe joint 3 comprises a main bearing disc 3.1 and a pressurizing plate 3.2, a pumping facility installation and a through hole 3.3 are arranged in the middle of the main bearing disc 3.1, the main bearing disc 3.1 is movably connected with an upper end flange plate 1.5 of the uppermost latticed filter-embedded water storage pipe joint, a bearing frame 3.4 is arranged between the main bearing disc 3.1 and the pressurizing plate 3.2, a pumping pipe of the pumping facility extends into the latticed filter-embedded water storage pipe joint from the bearing frame 3.4 to be extracted, and a pressurizing device applies pressure on the pressurizing plate 3.2 to ensure that the whole body is gradually pressed into a soil body to form a gradually-entering direct-pressure water taking pipe well.
When the gradual-advancing straight-pressing water taking pipe well is lifted and pulled back from the soil body, the high-pressure water injection nozzles on all the sections spray 1.6 of water outwards, and the nozzles of the high-pressure water injection nozzles are provided with elastic automatic valves.
The loose joint is a detachable connection, and a bolt connection is generally adopted.
The progressive straight-pressing water intake pipe well can simplify the precipitation process. The pipe well preset in advance is changed into the process of excavating along with the earthwork, the pipe well is firstly pressed into the soil body along with the earthwork in the progress direction for pumping water, the pipe well can be continuously pressed into the soil body for deepening along with the excavation depth of the earthwork, and at the moment, a water pumping facility can also be deeply inserted along with the pipe well without being changed. Because the mode of gradually taking water by direct pressure is adopted, the position of the well pipe can be increased, decreased and changed at any time according to the current situation of the earth excavation, and the requirement of the earth excavation is met.
The invention is suitable for the upper-part water-accumulation type underground water structure of the earthwork. The invention can be used for sealing the pipe and can be used as a permanent buried water taking well. The invention can be repeatedly used for a plurality of times, achieves the aim of saving cost, and has less labor and short construction period.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a step-by-step straight pressing water intake pipe well, includes that the end cone presses into the tube coupling, lattice formula is inlayed filter box and is stored up water tube coupling and top pressurization tube coupling, its characterized in that: the bottom cone pressing pipe joint is movably connected with the lower end of the latticed filter-embedded water storage pipe joint, the latticed filter-embedded water storage pipe joint is provided with at least one joint, and the top pressurizing pipe joint is movably connected with the upper end of the uppermost latticed filter-embedded water storage pipe joint;
the bottom cone pressing pipe joint comprises a conical pressing body and an end ring arranged at the upper end of the conical pressing body, and the end ring is movably connected with a lower end flange of the lowest latticed embedded filter box water storage pipe joint;
the lattice embedded filter box water storage pipe joint comprises a lattice cylindrical frame body, wherein a filter box is embedded on the lattice cylindrical frame body to form a cylinder wall of the lattice cylindrical frame body, so that the lattice cylindrical frame body forms a cylinder body capable of filtering and storing water, and the upper end and the lower end of the lattice cylindrical frame body are respectively provided with a flange plate; the periphery of the upper end part of the lattice type filter-embedded water storage pipe section is provided with a high-pressure water injection nozzle, the inner cavity of the lattice type filter-embedded water storage pipe section is provided with a water injection vertical pipe, the water injection vertical pipe is mutually connected in series with the water injection vertical pipe in the inner cavity of the lattice type filter-embedded water storage pipe section through an upper joint and a lower joint, and the water injection vertical pipe is connected to the high-pressure water injection nozzle on the lattice type filter-embedded water storage pipe section;
the top pressurizing pipe joint comprises a main bearing disc and a pressurizing plate, the main bearing disc is movably connected with an upper end flange plate of the uppermost latticed filter-embedded water storage pipe joint, a bearing frame is arranged between the main bearing disc and the pressurizing plate, a water pumping pipe of a water pumping facility extends into the latticed filter-embedded water storage pipe joint from the bearing frame to be pumped, and a pressurizing device applies pressure on the pressurizing plate to enable the whole body to be gradually pressed into a soil body to form a gradual-in direct-pressure water taking pipe well.
2. The progressive straight-press water intake pipe well according to claim 1, wherein: the lattice type cylindrical frame body is provided with a clamping seat for embedding the filter box.
3. The progressive straight-press water intake pipe well according to claim 1, wherein: the lattice type cylindrical frame body comprises a vertical component and an inner ring connected to the inner side of the vertical component.
4. The progressive straight-press water intake pipe well according to claim 1, wherein: the outer diameter of the flange plates at the upper end and the lower end of the lattice type cylindrical frame body is larger than that of the assembled filter box.
5. The progressive straight-press water intake pipe well according to claim 1, wherein: the outer diameter of the end ring is larger than that of the flange plate of the lattice type embedded filter box water storage pipe section, and a plurality of press-in plough blades are distributed on the outer edge of the end ring.
6. The progressive straight-press water intake pipe well according to claim 1, wherein: when the progressive straight-pressing water taking pipe well is lifted and pulled back from the soil body, the high-pressure water injection nozzles on all the sections spray water outwards, and elastic automatic valves are arranged at the nozzle positions of the high-pressure water injection nozzles.
7. The progressive straight-press water intake pipe well according to claim 1, wherein: and a pumping facility installation and a through hole are arranged in the middle of the main bearing disc.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911349474.6A CN111173013B (en) | 2019-12-24 | 2019-12-24 | Progressive direct-pressure water intake pipe well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911349474.6A CN111173013B (en) | 2019-12-24 | 2019-12-24 | Progressive direct-pressure water intake pipe well |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111173013A CN111173013A (en) | 2020-05-19 |
CN111173013B true CN111173013B (en) | 2021-07-09 |
Family
ID=70650436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911349474.6A Expired - Fee Related CN111173013B (en) | 2019-12-24 | 2019-12-24 | Progressive direct-pressure water intake pipe well |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111173013B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201679009U (en) * | 2010-03-19 | 2010-12-22 | 湖南省第二工程有限公司 | Precipitation device of manual dug pile |
CN203729376U (en) * | 2013-12-06 | 2014-07-23 | 中国水电顾问集团成都勘测设计研究院有限公司 | Water intake well pipe structure used for hydraulic and hydropower engineering |
CN204619504U (en) * | 2015-05-15 | 2015-09-09 | 刘军亮 | A kind of core filtering module |
CN204676635U (en) * | 2015-05-19 | 2015-09-30 | 湖北文理学院 | A kind of wedge type bridge filter for pipe well |
CN206346168U (en) * | 2016-12-30 | 2017-07-21 | 上海岩土工程勘察设计研究院有限公司 | It is a kind of quickly to take multilayer water installations by what static cone penetration equipment was pressed into |
CN110130438A (en) * | 2019-05-27 | 2019-08-16 | 中国水利水电第八工程局有限公司 | A kind of surface water water intake well |
CN209482292U (en) * | 2018-12-19 | 2019-10-11 | 河北省地矿局第二地质大队 | Three-dimensional consolidation barrel structure that saturated cohesive soil handled |
CN110528543A (en) * | 2019-08-05 | 2019-12-03 | 中国二十冶集团有限公司 | A kind of dewatering construction method |
-
2019
- 2019-12-24 CN CN201911349474.6A patent/CN111173013B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201679009U (en) * | 2010-03-19 | 2010-12-22 | 湖南省第二工程有限公司 | Precipitation device of manual dug pile |
CN203729376U (en) * | 2013-12-06 | 2014-07-23 | 中国水电顾问集团成都勘测设计研究院有限公司 | Water intake well pipe structure used for hydraulic and hydropower engineering |
CN204619504U (en) * | 2015-05-15 | 2015-09-09 | 刘军亮 | A kind of core filtering module |
CN204676635U (en) * | 2015-05-19 | 2015-09-30 | 湖北文理学院 | A kind of wedge type bridge filter for pipe well |
CN206346168U (en) * | 2016-12-30 | 2017-07-21 | 上海岩土工程勘察设计研究院有限公司 | It is a kind of quickly to take multilayer water installations by what static cone penetration equipment was pressed into |
CN209482292U (en) * | 2018-12-19 | 2019-10-11 | 河北省地矿局第二地质大队 | Three-dimensional consolidation barrel structure that saturated cohesive soil handled |
CN110130438A (en) * | 2019-05-27 | 2019-08-16 | 中国水利水电第八工程局有限公司 | A kind of surface water water intake well |
CN110528543A (en) * | 2019-08-05 | 2019-12-03 | 中国二十冶集团有限公司 | A kind of dewatering construction method |
Also Published As
Publication number | Publication date |
---|---|
CN111173013A (en) | 2020-05-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110792474A (en) | Long tunnel drainage system | |
CN205742214U (en) | The structural protective system of churning between a kind of T-shaped stake associating stake | |
JP5787834B2 (en) | Intake and discharge channel structure and construction method | |
CN105256818A (en) | One pump-multi well deep foundation pit tube well synchronous pumping and drainage drawdown device | |
CN111173013B (en) | Progressive direct-pressure water intake pipe well | |
CN102261519A (en) | Method for assisting sliding, floating and down-ditching of pipeline by air bags | |
CN110820776A (en) | Siphon drainage system for blind ditch of foundation pit | |
CN111733894A (en) | Anti-floating system of deep foundation pit underground structure and construction process | |
CN104074234B (en) | The interior river intake structure of electric power plant circulating water system and construction method thereof | |
CN110685746A (en) | Automatic tunnel drainage system | |
CN205314117U (en) | Foundation structure that draw water is carried out with centrifugal pump | |
SG185873A1 (en) | Ground improvement method and decompression vessel | |
CN211200626U (en) | U-shaped communication pipeline for drainage of adverse slope in construction site | |
CN205348204U (en) | Light well point precipitation system | |
CN204098050U (en) | A kind of control artesian water precipitation system | |
CN109707445B (en) | Dredgeable tunnel drainage system and method | |
CN107916674B (en) | Shallow foundation pit dewatering device | |
CN212865996U (en) | Deep foundation pit plugging device | |
CN110984199B (en) | Progressive direct-pressure water intake pipe well sealing structure and construction method thereof | |
CN217352631U (en) | Anti-floating anti-seepage pressure reduction treatment device for existing underground garage bottom plate | |
CN115404889B (en) | Urban municipal engineering open caisson construction device and construction method | |
JP6313533B2 (en) | Buried tank and its construction method | |
CN216108473U (en) | Prestressed concrete tubular pile end sealing device | |
CN217480135U (en) | Larsen steel sheet pile device capable of jetting water to sink and synchronously grouting and pulling out | |
CN206889274U (en) | Without bottom valve vacuum pressure tank |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210709 |
|
CF01 | Termination of patent right due to non-payment of annual fee |