CN105672336B - A kind of deformable filter assemblies of well-points dewatering - Google Patents
A kind of deformable filter assemblies of well-points dewatering Download PDFInfo
- Publication number
- CN105672336B CN105672336B CN201610142956.4A CN201610142956A CN105672336B CN 105672336 B CN105672336 B CN 105672336B CN 201610142956 A CN201610142956 A CN 201610142956A CN 105672336 B CN105672336 B CN 105672336B
- Authority
- CN
- China
- Prior art keywords
- well
- pipe
- deformable
- layer
- filter assemblies
- 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
- 230000000712 assembly Effects 0.000 title claims abstract description 27
- 238000000429 assembly Methods 0.000 title claims abstract description 27
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 4
- 239000010432 diamond Substances 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 7
- 238000009954 braiding Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 229920002994 synthetic fiber Polymers 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000012209 synthetic fiber Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Filtering Materials (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a kind of deformable filter assemblies of well-points dewatering, including：Base tube, it is tubular part, is provided with the crack of several columns strip on base tube wall along the bearing of trend of pipe, and the strip crack in adjacent column is mutually staggered；Filter layer, covering base tube are formed as tubulose；Sleeve, the outside of the filter layer of tubulose is covered in, the hole of several columns rhombus is set on the wall of sleeve along the direction of pipe extension, and the diamond hole in adjacent column mutually staggers.
Description
The present invention is application number：2015101097225, the applying date：2015-03-13, denomination of invention：A kind of well-points dewatering
The divisional application of deformable filter assemblies.
Technical field
The present invention relates to the component used in a kind of construction method of the support ＆ protection of foundation pit for precipitation used in architecture construction, especially
It is the filter assemblies used in a kind of construction method of well-points dewatering
Background technology
With the development of modern society, the use function of building is constantly expanded, particularly in big city, newly-built building
Utilization of the thing for the underground space is more and more extensive, if the basement of building generally all reaches dried layer, foundation depth is very
To from more than ten meters to tens meters.Therefore, the method to foundation pit construction is it is also proposed that new requirement.
A kind of well-point dewatering construction technique of the prior art, typically first crept into using general geology rig through mud off
After pore-forming, installation screen pipe forms pipe well, then is rinsed in screen pipe using high-pressure water jet, destroys slurry coat method structure sheaf,
And making screen pipe pipe week self-forming filter layer, then outlet pipe that front end is provided with to immersible pump is arranged in screen pipe, is finally opened
Dynamic immersible pump realizes well-points dewatering.But this kind of construction method is cumbersome in practice of construction, and screen pipe extremely easily becomes silted up
Product blocks, and causes well point to block as dried-up well.So that precipitation is unsuccessful, it is easy to causes great engineering accident, such as the country repeatly
The foundation pit collapse accident appeared in the newspapers is relevant with this.
In existing construction method, also use and fill construction method of the back-up sand hardcore as filter layer in the borehole, but
It is that this kind of method equally has the defects of cumbersome of constructing, and is not avoided that alluvial blocks similarly, causing well point to block turns into
The defects of dried-up well.
The content of the invention
The present invention relates to a kind of construction method of well-points dewatering, the process for being effectively simplified construction so that practice of construction is grasped
Make simplicity, and be avoided that the situation that well point blocks.
The invention provides a kind of deformable filter assemblies of well-points dewatering, including：
Base tube, it is tubular part, is provided with the crack of several columns strip, and phase on base tube wall along the bearing of trend of pipe
Mutually stagger in strip crack in adjacent column；
Filter layer, covering base tube are formed as tubulose；
Sleeve, is covered in the outside of the filter layer of tubulose, and the direction extended on the wall of sleeve along pipe sets several columns rhombus
Hole, and the diamond hole in adjacent column mutually staggers；
It is characterized in that：Filter layer includes three layer filtration material：
Outer layer is the metal material braiding layer of relative coarseness, is formed using overlapped sheet metal braiding, sheet metal it
Between be connected with each other, formed monolithic construction, and be covered in outside internal surface of sleeve pipe be connected；
Intermediate layer is that thread material continuous winding is formed, and the thread material is stainless steel wire or synthetic fibres；
Internal layer is stainless steel cloth or synthetic fiber cloth；
The dilatancy mode of the radial direction of deformable tubulose filter assemblies is：Directly apply hydraulic coupling to deformable tubulose mistake
The inside of component is filtered, makes its expansion..
The deformable tubulose filter assemblies that the present invention uses in construction are after the completion of expansion is constructed, radial through deformable
The water of tubular filter component passes through the filtering of each layer, without hindrance to discharge underground water, and sand and mud are blocked in wellhole.
In this way, the deformable tubulose filter assemblies after expansion cause the internal diameter maximum obtained after sand control, the aerial drainage face in wellhole is added
Product, while deformable tubulose filter assemblies have supporting role for borehole wall, are advantageous to the discharge of underground water, and can avoids well
Common caused annular plug, the phenomenon of borehole wall erosion due to space presence in hole.
Brief description of the drawings
Accompanying drawing 1 is deformable tubulose filter assemblies and its expansion schematic diagram.
Accompanying drawing 2 is the structural representation of deformable tubulose filter assemblies.
Embodiment
The construction method of certain engineering Deep Foundation Pit Well-Point Dewatering and its deformable filter assemblies：Including
(1) according to the design drawing of well-points dewatering, surveying setting-out at the construction field (site), drilling well position, the groove of well point are determined
Position, horizontal elevation；
(2) using drilling machinery it is determined that drilling well position, drill out the wellhole for meeting projected depth；
(3) groove of digging laying well point pipeline；
(4) pipe laying in wellhole is carried out；The drill bit of drilling machinery is specially withdrawn into wellhole, bottom is provided with can
The well-point pipe of deforming tubular filter assemblies is put into wellhole, and the bottom of well-point pipe is fixed at projected depth；
(5) deformable tubulose filter assemblies are expanded；By deformable tubulose filter assemblies spreading, it is set to be close to well
On hole wall, play a part of supporting borehole wall and filtering；
(6) suction pump is installed, water delivery house steward is laid, each well-point pipe is obtained into water side and is connected with water delivery house steward, is drawn water
Construction.
As shown in Figure 2, deformable tubulose filter assemblies include：Base tube 1, it is tubular part, along pipe on base tube wall
Bearing of trend is provided with the crack of several columns strip, and the strip crack in adjacent column is mutually staggered；Filter layer 2, covering
Base tube is formed as tubulose；Sleeve 3, the outside of the filter layer of tubulose is covered in, if being set on the wall of sleeve along the direction of pipe extension
The hole of dry row rhombus, and the diamond hole in adjacent column mutually staggers.
Filter layer 2 between base tube 1 and sleeve 3, when base tube 1 is radially expanded, due between base tube 1 and sleeve 3
Expansion is different, and filter layer 2 is necessary to ensure that the two will not be interfered.Filter layer 3 is to include three layer filtration material：Outer layer is relative
Coarse metal material braiding layer, overlapped sheet metal braiding can be used to form, be connected with each other, formed whole between sheet metal
Body formula structure, and the internal surface of sleeve pipe with being covered in outside is connected；Intermediate layer is that thread material continuous winding is formed, and this is thread
Material is stainless steel wire or synthetic fibres；Internal layer is stainless steel cloth or synthetic fiber cloth.
As shown in Figure 1, deformable tubulose filter assemblies can utilize the dilatancy of a variety of methods formation radial direction.It is preferred that
Mode be：The expansion vertebra 4 that can pass through is put into well-point pipe so that effect of the expansion vertebra 4 in mechanical force or hydraulic coupling
Under, through the inside of base tube, so that deformable tubulose filter assemblies are expanded；Preferably mode is another kind：Directly
Apply hydraulic coupling to the inside of deformable tubulose filter assemblies, make its expansion.
Further preferred construction method is：
Including：Step (7) sets level sensor and stream in well-point pipe bottom and deformable tubulose filter assemblies junction
Fast sensor, sensor is connected with control centre, when well-points dewatering construction operation for a period of time after, if a sensor senses that
Level of ground water does not reach predetermined design water level, and flow velocity signal is abnormal, then judges that the wellhole is deposited, and closes the well-point pipe
With the connection valve of water delivery house steward, the well-point pipe is extracted, the deformable tubulose filter assemblies for cleaning end reinstall well-point pipe
Or after the deformable tubulose filter assemblies more renewed, distending again.
Claims (1)
1. a kind of deformable filter assemblies of well-points dewatering, including：
Base tube, it is tubular part, is provided with the crack of several columns strip, and adjacent column on base tube wall along the bearing of trend of pipe
In strip crack mutually stagger；
Filter layer, covering base tube are formed as tubulose；
Sleeve, the outside of the filter layer of tubulose is covered in, the hole of several columns rhombus is set on the wall of sleeve along the direction of pipe extension,
And the diamond hole in adjacent column mutually staggers；
It is characterized in that：Filter layer includes three layer filtration material：
Outer layer is the metal material braiding layer of relative coarseness, is formed using overlapped sheet metal braiding, phase between sheet metal
Connect, form monolithic construction, and the internal surface of sleeve pipe with being covered in outside is connected；
Intermediate layer is that thread material continuous winding is formed, and the thread material is stainless steel wire or synthetic fibres；
Internal layer is stainless steel cloth or synthetic fiber cloth；
The dilatancy mode of the radial direction of deformable tubulose filter assemblies is：Directly apply hydraulic coupling to deformable tubular filter group
The inside of part, make its expansion；
In use, following steps are carried out successively：(1) according to the design drawing of well-points dewatering, surveying setting-out at the construction field (site), it is determined that
The drilling well position of well point, grooved position, horizontal elevation；(2) using drilling machinery it is determined that drilling well position, drill out and meet design
The wellhole of depth；(3) groove of digging laying well point pipeline；(4) pipe laying in wellhole is carried out, bottom is provided with variable
The well-point pipe of shape tubular filter component is put into wellhole, and the bottom of well-point pipe is fixed at projected depth；(5) by deformable tube
Shape filter assemblies are expanded, and by deformable tubulose filter assemblies spreading, it is close on borehole wall, are played support borehole wall
With the effect of filtering；(6) suction pump is installed, water delivery house steward is laid, each well-point pipe is obtained into water side and is connected with water delivery house steward, is carried out
Draw water construction；Well-points dewatering can be achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142956.4A CN105672336B (en) | 2015-03-13 | 2015-03-13 | A kind of deformable filter assemblies of well-points dewatering |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109722.5A CN104674829B (en) | 2015-03-13 | 2015-03-13 | A kind of deformable filter assemblies of well-points dewatering |
| CN201610142956.4A CN105672336B (en) | 2015-03-13 | 2015-03-13 | A kind of deformable filter assemblies of well-points dewatering |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510109722.5A Division CN104674829B (en) | 2015-03-13 | 2015-03-13 | A kind of deformable filter assemblies of well-points dewatering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105672336A CN105672336A (en) | 2016-06-15 |
| CN105672336B true CN105672336B (en) | 2017-11-17 |
Family
ID=56307668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610142956.4A Active CN105672336B (en) | 2015-03-13 | 2015-03-13 | A kind of deformable filter assemblies of well-points dewatering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105672336B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112469873B (en) * | 2018-06-25 | 2022-09-20 | 碳连接股份公司 | Anchor sleeve and anchor system |
| CN110332107B (en) * | 2019-07-19 | 2021-01-15 | 温岭汉德泵业有限公司 | Water pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH589179A5 (en) * | 1975-07-30 | 1977-06-30 | Steiner Urs A | Subsoil water draw down appliance - uses horizontal filter tube with both ends connected to suction pipes |
| JPS63293224A (en) * | 1987-05-23 | 1988-11-30 | Shimizu Constr Co Ltd | Groundwater draining work |
| CN202227357U (en) * | 2011-09-14 | 2012-05-23 | 中建七局第二建筑有限公司 | Water-reducing tube well structure |
| CN102561372A (en) * | 2011-12-23 | 2012-07-11 | 中国十七冶集团有限公司 | Plugging method for downcomer for well-point dewatering of deep foundation pit |
| CN203768926U (en) * | 2014-04-08 | 2014-08-13 | 江苏扬州建工建设集团有限公司 | Basement deep well plugging device |
-
2015
- 2015-03-13 CN CN201610142956.4A patent/CN105672336B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH589179A5 (en) * | 1975-07-30 | 1977-06-30 | Steiner Urs A | Subsoil water draw down appliance - uses horizontal filter tube with both ends connected to suction pipes |
| JPS63293224A (en) * | 1987-05-23 | 1988-11-30 | Shimizu Constr Co Ltd | Groundwater draining work |
| CN202227357U (en) * | 2011-09-14 | 2012-05-23 | 中建七局第二建筑有限公司 | Water-reducing tube well structure |
| CN102561372A (en) * | 2011-12-23 | 2012-07-11 | 中国十七冶集团有限公司 | Plugging method for downcomer for well-point dewatering of deep foundation pit |
| CN203768926U (en) * | 2014-04-08 | 2014-08-13 | 江苏扬州建工建设集团有限公司 | Basement deep well plugging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105672336A (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110439029B (en) | Double-aquifer monitoring well device and construction method thereof | |
| CN103527148B (en) | Technology and device for controlling pressure in layered mode and discharging and extracting oil in layer combined mode through double bushes and single pump | |
| CN102518411A (en) | Method for mining coal bed gas by hydraulic washout of butted well in manner of pressure relief | |
| CN107044128A (en) | Supporting and dewatering construction method in Deep Excavation | |
| CN110029680B (en) | Deep foundation pit dewatering construction method | |
| CN104314090A (en) | Deep foundation pit bedrock drainage culvert and drainage system and drainage construction method thereof | |
| CN105625445A (en) | Foundation pit dewatering method in coastal sandy soil region | |
| CN105672336B (en) | A kind of deformable filter assemblies of well-points dewatering | |
| CN105804104B (en) | A kind of construction method of well-points dewatering | |
| CN105735330B (en) | A kind of construction method of well-points dewatering | |
| CN105714840B (en) | A kind of construction method of well-points dewatering | |
| CN104674829B (en) | A kind of deformable filter assemblies of well-points dewatering | |
| CN203924210U (en) | A kind of pumped well device of sand control | |
| CN105714839B (en) | A kind of construction method of well-points dewatering | |
| CN203891785U (en) | Special joint pipe assembly for throwing of gravels in pipe of hydrogeological water well | |
| CN102350150B (en) | Filter pipe for suction and discharge of biogas-containing stratum gas | |
| CN205024708U (en) | Light -duty well point chimney filter | |
| CN112554215B (en) | Double-sleeve artesian deep well precipitation construction method and structure for muddy silty clay with silty soil geology | |
| CN111622249B (en) | Miniature pumping device for underground water of narrow foundation pit and construction method thereof | |
| KR20130000001U (en) | Porosity and Nonporosity Cross-cylindrical tube with resin to form an underground water degradation process | |
| CN110409474B (en) | Pipe well dewatering well arranged at bottom of underground diaphragm wall | |
| CN113756831A (en) | Construction method for sand blowing and filling between main pipeline and sleeve | |
| CN106894429B (en) | Base pit engineering soft soil foundation is layered dewatering construction structure and construction method | |
| CN213038355U (en) | Light well-point dewatering structure with sinking type foundation raft | |
| CN220318570U (en) | Precipitation well structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171024 Address after: 315040 room 6, crystal road 4-10, Gaoxin District, Zhejiang, Ningbo Applicant after: Ningbo Heng Jin Automation Technology Co., Ltd. Address before: The 11 group Wang Xie village Beilun Daxie Development Zone 315812 area in Zhejiang city of Ningbo Province Applicant before: Chen Zhuojie |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181217 Address after: 542800 No. 1 Xindu Industrial Avenue, Babu District, Hezhou City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Nan Bazai Science and Technology Ltd. Address before: 315040 room 4-10, Jingyuan Road, hi tech Zone, Ningbo, Zhejiang, 4-10 Patentee before: Ningbo Heng Jin Automation Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191025 Address after: 314500 No. 161 Qiming Road, Wutong Street, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Achievement Knitting Co., Ltd. Address before: 542800 No. 1 Xindu Town Industrial Avenue, Babu District, Hezhou City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Nan Bazai Science and Technology Ltd. |