CN110295587A - A kind of filter pipe of prefabricated included classified filtering function - Google Patents
A kind of filter pipe of prefabricated included classified filtering function Download PDFInfo
- Publication number
- CN110295587A CN110295587A CN201910628606.2A CN201910628606A CN110295587A CN 110295587 A CN110295587 A CN 110295587A CN 201910628606 A CN201910628606 A CN 201910628606A CN 110295587 A CN110295587 A CN 110295587A
- Authority
- CN
- China
- Prior art keywords
- filter
- pervious concrete
- filtering layer
- water guide
- floral tube
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000011380 pervious concrete Substances 0.000 claims abstract description 39
- 239000004746 geotextile Substances 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 19
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 239000011800 void material Substances 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920004933 Terylene® Polymers 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 230000011218 segmentation Effects 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 12
- 238000009434 installation Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 8
- 238000005553 drilling Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000012744 reinforcing agent Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- E02D3/106—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains by forming sand drains containing only loose aggregates
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
- E02D2300/0007—PVC
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0075—Textiles
- E02D2300/0078—Textiles woven
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
Abstract
The invention discloses a kind of filter pipes of prefabricated included classified filtering function, including flexible geotextile filter, pervious concrete filtering layer and hollow water guide floral tube, pervious concrete filtering layer is annularly uniformly wrapped on the outside of hollow water guide floral tube, flexible geotextile filter is wrapped on the outside of pervious concrete filtering layer, pressure pipe road when the main conduit pipe and filtering layer that hollow water guide floral tube is filter pipe clean；Pervious concrete filtering layer is a kind of uniform honeycomb structure of hole, is used in drainage compared with coarseparticulate；Flexible geotextile filter layer has smaller pore diameter and higher void density, can be with the soil particle of smaller particle in filtering underground under the premise of not influencing permeable efficiency.Above-mentioned each component is in the radial direction to collectively form classified filtering system of the invention, has the integrated function of draining, drainage.
Description
Technical field
The present invention relates to filter pipe, especially a kind of filter pipe of prefabricated included classified filtering function.
Background technique
When underground water of the subdrainage gallery around collecting in Rock And Soil, radiativity peace is generally understood to improve water-collecting capacity
Some soakaway trench are filled into deep formation.In addition, the unfavorable shadow in slope project to reduce Groundwater On Slope Stability generation
It rings, some drainage holes or filter pipe can be reserved in supporting construction also generally to export the underground water after supporting construction.In underground
Water is inside Rock And Soil during discharge, and a large amount of mud particles usually carry evolution by water flow and cause soil erosion, to avoid
These bad phenomenons, at present using more way be supporting construction, underground gallery upstream face (outside) drainage hole near
Or around filter pipe the sandstone material of embedding certain scale or filtrate packet as loaded filter.But such engineering measure generally requires
Operation is excavated on the outside of structure, does not have execution conditions in many cases.For example, Hunan Province's slope project top of the slope is country
The cultural layer of major historical and cultural sites under state protection, interior coating includes numerous historical informations, does not have excavation condition, can not be in retaining wall
Upstream face buries filtrate packet；Another example is: drainage system in underground pipe gallery top design has soakaway trench under In A Certain Locality, Jiangsu Province, if seeping water
Loaded filter is set on the outside of pipe, it is huge to excavate workload.
Further, since unit in charge of construction's technical level and Stringency are irregular, there are filtrate packets in a large amount of engineering practices
Phenomena such as undersize, unreasonable loaded filter grading of aggregates, causes loaded filter to be not achieved ideal effect, and silt is outflowed with water from letting out
The case where water hole escapes largely exists.Meanwhile tiny soil particle has usually blocked in loaded filter in long-term migration process
Hole, these loaded filters secretly buried can not be cleaned and be replaced, and drain hole is often led to after permanent be blocked lose draining and make
With.
Summary of the invention
For solve not being arranged in these engineerings loaded filter, loaded filter construction quality be different, loaded filter can not cleaning replacement
Lead to the engineering challenges such as failure for a long time, the present invention provides a kind of filter pipe of prefabricated included classified filtering function, utilizes
Otherness seepy material and rigid and flexible material layered arrangement in the radial direction, have the function that drainage, draining.And the filter pipe
Capable of washing, dismounting simply, solves the engineering challenge of loaded filter failure in a long time.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: a kind of prefabricated included classified filtering function
Can filter pipe, including flexible geotextile filter, pervious concrete filtering layer and hollow water guide floral tube, pervious concrete filtering layer be in
Ring-type is uniformly wrapped on the outside of hollow water guide floral tube, and flexible geotextile filter is wrapped on the outside of pervious concrete filtering layer, described
It is covered with micropore on hollow water guide floral tube tube wall, the aperture of micropore is not more than the pervious concrete aggregate of pervious concrete filtering layer
Minimum grain size, pervious concrete thickness of filter bed are not less than 2cm, and the pore diameter and void density of flexible geotextile filter are than saturating
Water coagulation soil filtering layer is small, and thickness is not less than 5mm.
The hollow water guide floral tube uses hard polvinyl choride pipe, and outer tube wall polishing is coarse to increase and pervious concrete filtering layer
Bond strength.
The flexibility geotextile filter is using terylene short fiber or polypropylene chopped fiber made of needle point method.
The hollow water guide floral tube both ends are respectively arranged with screw thread and direct male thread in directly, and hollow water guide floral tube utilizes
The segmentation connection of filter pipe is realized in interior male thread ending connection.
The beneficial effects of the present invention are: the present invention uses the compound action of traditional drainage hole, drainage pipeline, loaded filter certainly
Filter pipe with filter capacity replaces, and enormously simplifies construction technology, avoids big excavation and restoration in earth-rock construction.By flexible soil
Work fabric filtration layer and pervious concrete filtering layer, which combine the filter pipeline system to be formed, to carry out parameter adjustment for soil property, meet
Anti-filter requirement in various situations.And filter pipe batch machining makes, and is transported to in-site installation, quality controllability is strong.Present invention peace
Dress mode is pore-forming-installation, detachable and interchangeable, water can be pressed to clean, and maintenance is simple, and it is difficult to can effectively solve traditional loaded filter failure
The problem of to restore, extends the engineering service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the filter pipe of the prefabricated included classified filtering function of the present invention；
Fig. 2 is the cross-sectional structure schematic diagram of the filter pipe of the prefabricated included classified filtering function of the present invention；
Fig. 3 is filter pipe end structure figure of the present invention；
Connecting portion structural map when Fig. 4 is present invention segmentation installation；
Fig. 5 is scheme of installation of the present invention in subdrainage gallery；
Fig. 6 is scheme of installation of the present invention in retaining wall support engineering.
In figure: 1. flexible geotextile filters, 2. pervious concrete filtering layers, 3. hollow water guide floral tubes, 4. pipe plugs, 5. directly
Interior screw thread, 6. direct male threads, 7. reducer unions, 8. pressure hoses, 9. pressure water flooding devices, 10. natural ground, 11. drainings
Gallery filter pipe, 12. aquifer water-bearing stratums, 13. gallery lining cutting, 14. retaining walls.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description:
As shown in Figs. 1-2, the filter pipe of prefabricated included classified filtering function of the invention, including the filter of flexible geotextile
Layer 1, pervious concrete filtering layer 2 and hollow water guide floral tube 3, pervious concrete filtering layer 2 are annularly uniformly wrapped in hollow water guide flower
3 outside of pipe, flexible geotextile filter 1 are wrapped in 2 outside of pervious concrete filtering layer, cloth on hollow 3 tube wall of water guide floral tube
Full micropore, the aperture of micropore are not more than the pervious concrete aggregate minimum grain size of pervious concrete filtering layer 2, pervious concrete
2 thickness of filtering layer is not less than 2cm, and the pore diameter and void density of flexible geotextile filter 1 are smaller than pervious concrete filtering layer 2,
Thickness is not less than 5mm.
The hollow water guide floral tube 3 uses hard polvinyl choride pipe, and outer tube wall polishing is coarse to be filtered with increasing with pervious concrete
The bond strength of layer 2.
The flexibility geotextile filter 1 is using terylene short fiber or polypropylene chopped fiber made of needle point method.
Hollow 3 both ends of water guide floral tube are respectively arranged with screw thread 5 and direct male thread 6 in directly, hollow water guide floral tube 3
It finishes up using interior male thread and connects the segmentation connection for realizing filter pipe.
Pressure pipe road when the main conduit pipe and filtering layer that hollow water guide floral tube is filter pipe clean；Permeable coagulation
Native filtering layer is a kind of uniform honeycomb structure of hole, is used in drainage compared with coarseparticulate；Flexible geotextile filter layer tool
There are smaller pore diameter and higher void density, it can be with smaller in filtering underground under the premise of not influencing permeable efficiency
The soil particle of partial size.Above-mentioned each component is in the radial direction to collectively form classified filtering system of the invention, has draining, drainage
Integrated function.
It specifically describes as follows:
1, hollow water guide floral tube: being made of hard polvinyl choride pipe, and caliber can adjust as needed, tube wall polishing it is coarse with
Increase the bond strength with outside filtering layer.Arrange that high density micropore, aperture are minimum no more than pervious concrete aggregate on tube wall
Partial size, hollow water guide floral tube be filter pipe catchment, the main thoroughfare of water guide, while be also filtering layer high-pressure wash when pressure pipe
Road.
2, pervious concrete filtering layer: the cyclic structure as made of highly permeable concrete cast-in-situ.This highly permeable concrete is
By certain graded aggregate particle, cement, water, a kind of high porosity concrete that reinforcing agent mixing is formed is added.By to proportion
Adjustment so that coarse granule aggregate packet slurry bonding is formed the uniform honeycomb structure of hole, with ventilative, permeable feature, together
When meet certain effect crossed in drainage compared with coarseparticulate.It, can be in larger amplitude meanwhile by adjusting aggregate size and gradation
It spends in range and realizes the porosity to the material, minimum pore diameter, water permeable ability and the change for filtering scale.Highly permeable coagulation
Native filtering layer is annularly evenly coated on the outside of the hollow water guide floral tube of inner ring, and thickness is not less than 2cm, be both filter pipe water guide it is logical
Road and core filter layer.
3, flexible geotextile filter layer: being made up using terylene short fiber or polypropylene chopped fiber of needle point method, have acid and alkali-resistance,
Corrosion-resistant, ageing-resistant, the features such as intensity is high, dimensionally stable, good permeability, good water permeability, filterability are good.As filter pipe with let out
The direct contact component in water hole (or stratum) has smaller pore diameter and higher relative to the pervious concrete filtering layer layer
Void density, can be with the soil particle of smaller particle in filtering underground under the premise of not influencing permeable efficiency.To in radial direction
On achieve the effect that classified filtering together with pervious concrete filtering layer.In addition, flexible geotextile filter has considerable thickness
Because of difficult to install or installation caused by drilling construction error when (up to 5mm), flexibility characteristics can effectively solve filter pipe installation
There are problems that spacious amount.Meanwhile the presence of flexible layer greatly reduces the task difficulty that filter pipe is removed, replaced in validity period,
It is replaceable and at low cost after fine and close pore structure is reduced by soil particle filling, water penetration.
As shown in figure 3, above-mentioned collector drain is respectively provided with inside and outside screw thread with filter pipe standard component both ends.Every two standards
Part can be docked using screw thread, be lengthened.Accessory includes being respectively used to front end with the pipe plug and reducer union for matching threading
The tube head of one section blocks 4 and connects pressure hose, pressure water flooding equipment with most periproct.
Above-mentioned collector drain filter pipe can adjust pipe diameter and single-unit length according to design requirement, also can be as needed
Carry out docking combination, assembling, convenient disassembly.It is threadedly coupled after mating reducer pipe, pressure hose by playing endpiece, it can be achieved that pressure water
Cleaning, takes away the soil particle being attached on filtering layer using the inverse osmosis of high pressure water, and cleaning way is simple, strong operability.
As Figure 4-Figure 6, the present invention is mountable to collector drain lining cutting 13, slope retaining structure, such as the row of retaining wall 14
It in water hole, and can be placed in 12 certain depth of surrounding soil, for improving the expulsion efficiency of underground water in the soil body, while play
The effect of particulate matter in drainage.
The filter pipe of the prefabricated included classified filtering function, each parameters of operating part and making step are as follows:
1, hollow water guide floral tube is made
DN75mm hard polvinyl choride pipe is selected, tube wall bores φ 5mm drilling, pitch of holes 20mm, quincuncial arrangement, and uses fine sand
Pipe outer wall feather plucking is screwed into plug by paper.
2, mixing pervious concrete
Coarse aggregate: nominal particle diameter 3mm~5mm rubble is selected, with the square hole screen of sieve pore specification 2.36mm and sieve pore 4.75mm
Sieve system；
Cement: ordinary portland cement is selected；
Additive: pervious concrete reinforcing agent general on the market is selected；
Water: tap water；
Match ratio: water: cement: pervious concrete reinforcing agent (Nanjing most enjoyable stage ecological permeable concrete intensifier): stone=1
: 3: 1: 15, mix should wrap up uniformly, and without obvious laitance, hand is grabbed can be agglomerating, induration porosity 10%~15%.
3, pervious concrete filtering layer is poured
The cyclic annular pervious concrete filtering layer being evenly coated at outside hollow water guide floral tube is poured, outer mold is hard using DN110mm
Pvc pipe production, both ends centering position assurance and hollow water guide floral tube are concentric.Pervious concrete filtering layer maintenance criteria is the same as common coagulation
Soil maintenance.
4, geotextile filter is wrapped up
Select 400g/m2, thickness >=3.0mm, effective aperture >=1.0 × 10-2Cm/s geotextiles work out pouch, are inserted in into
The filter pipe of type.
It is as follows that implementation steps are installed:
1, installation positioning: generally in 13 top of collector drain, arch camber line position or 14 certain altitude of retaining wall along axis cloth
It sets, spacing is determined according to stratum permeability, may generally be 1m or so.
2, drilling, borehole cleaning: the corresponding installation position of supporting construction, which should be reserved, meets the drainage hole used or water drilling aperture.Stratum
Spiral drill soil taking hole forming can be used in 12, aperture is slightly larger than 2 outer diameter 5-10mm of pervious concrete filtering layer, after pore-forming in cleaning hole
Slag, soil.
3, filter pipe is installed: filter pipe 11 being inserted into the drilling for completion of having constructed, hole depth, which is greater than inside gallery, to be had
Imitate height, can merogenesis make filter pipe 11, be packed into section by section.Wherein, one section filter pipe of front end, 11 end is sealed with pipe plug 4
Stifled, middle node filter pipe 11 is successively docked using the interior screw thread 5 at head and the tail both ends, male thread 6.
4, replacement and cleaning: since filter pipe of the present invention installation pore-forming aperture is slightly larger than its rigid diameter, by surrounding soil
Body compresses outer layer flexibility geotextile filter 1 and provides constraint, therefore dismantles simple.The component 7 with matching thread need to only be utilized
It is screwed into filter pipe tail portion screw thread, is forward extracted.When cleaning, 11 tail of filter pipe will be screwed into the reducer pipe 7 with threading
End connects pressure hose 8 and pressure water flooding device 9, to filter pipe internal pressure water.Using in pipe when artesian water inverse osmosis
Water flow, which is taken away, is trapped in the intrapore soil particle of filtering layer, achievees the purpose that cleaning.Simultaneously, it is necessary to when can geotechnique flexible to outer layer
Woven membrane 1 is replaced, at low cost.
Embodiment described above is merely to illustrate technical idea and feature of the invention, in the art its object is to make
Technical staff it will be appreciated that the contents of the present invention and implement accordingly, patent model of the invention only cannot be limited with the present embodiment
It encloses, i.e., same changes or modifications made by all disclosed spirit are still fallen in the scope of the patents of the invention.
Claims (4)
1. a kind of filter pipe of prefabricated included classified filtering function, which is characterized in that including flexible geotextile filter (1),
Pervious concrete filtering layer (2) and hollow water guide floral tube (3), pervious concrete filtering layer (2) are annularly uniformly wrapped in hollow water guide
On the outside of floral tube (3), flexible geotextile filter (1) is wrapped on the outside of pervious concrete filtering layer (2), the hollow water guide floral tube
(3) it is covered with micropore on tube wall, the aperture of micropore is not more than the pervious concrete aggregate most granule of pervious concrete filtering layer (2)
Diameter, pervious concrete filtering layer (2) thickness are not less than 2cm, and the pore diameter and void density of flexible geotextile filter (1) are than saturating
Water coagulation soil filtering layer (2) is small, and thickness is not less than 5mm.
2. the filter pipe of prefabricated included classified filtering function according to claim 1, which is characterized in that the hollow water guide
Floral tube (3) uses hard polvinyl choride pipe, and outer tube wall polishing is coarse to increase the bond strength with pervious concrete filtering layer (2).
3. the filter pipe of prefabricated included classified filtering function according to claim 1, which is characterized in that the flexible geotechnique
Woven membrane (1) is using terylene short fiber or polypropylene chopped fiber made of needle point method.
4. the filter pipe of prefabricated included classified filtering function according to claim 1, which is characterized in that the hollow water guide
Floral tube (3) both ends are respectively arranged with screw thread (5) and direct male thread (6) in directly, and hollow water guide floral tube (3) utilizes interior male thread
The segmentation connection of filter pipe is realized in ending connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910628606.2A CN110295587A (en) | 2019-07-12 | 2019-07-12 | A kind of filter pipe of prefabricated included classified filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910628606.2A CN110295587A (en) | 2019-07-12 | 2019-07-12 | A kind of filter pipe of prefabricated included classified filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110295587A true CN110295587A (en) | 2019-10-01 |
Family
ID=68031008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910628606.2A Pending CN110295587A (en) | 2019-07-12 | 2019-07-12 | A kind of filter pipe of prefabricated included classified filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110295587A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110671U (en) * | 1991-03-18 | 1992-07-22 | 顾秋棣 | Prefabricated member for filtering water |
| JPH07331908A (en) * | 1994-06-10 | 1995-12-19 | Gou Sekkei Kenkyusho:Kk | Filtrate circulation reservoir structure for cooling |
| CN2835360Y (en) * | 2005-11-01 | 2006-11-08 | 王鹏毅 | Polyvinyl chloride pipe casing |
| WO2007073199A1 (en) * | 2005-12-21 | 2007-06-28 | Oldroyd Systemer As | Water tight foundation wall sheet with a filter cloth |
| JP2011042971A (en) * | 2009-08-21 | 2011-03-03 | Takenaka Komuten Co Ltd | Method for manufacturing precast concrete member |
| CN203452102U (en) * | 2013-07-09 | 2014-02-26 | 中铁第四勘察设计院集团有限公司 | Integral composite reversed filtering layer |
| CN106592580A (en) * | 2016-12-29 | 2017-04-26 | 常州工学院 | Self-pressurization rapid-permeating precast pile device and construction method thereof |
| CN206667291U (en) * | 2017-04-26 | 2017-11-24 | 中国葛洲坝集团勘测设计有限公司 | A kind of prefabricated anti-filter bag for retaining wall draining |
| CN210395307U (en) * | 2019-07-12 | 2020-04-24 | 中国电建集团北京勘测设计研究院有限公司 | Prefabricated strainer from area hierarchical filtering capability |
-
2019
- 2019-07-12 CN CN201910628606.2A patent/CN110295587A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110671U (en) * | 1991-03-18 | 1992-07-22 | 顾秋棣 | Prefabricated member for filtering water |
| JPH07331908A (en) * | 1994-06-10 | 1995-12-19 | Gou Sekkei Kenkyusho:Kk | Filtrate circulation reservoir structure for cooling |
| CN2835360Y (en) * | 2005-11-01 | 2006-11-08 | 王鹏毅 | Polyvinyl chloride pipe casing |
| WO2007073199A1 (en) * | 2005-12-21 | 2007-06-28 | Oldroyd Systemer As | Water tight foundation wall sheet with a filter cloth |
| JP2011042971A (en) * | 2009-08-21 | 2011-03-03 | Takenaka Komuten Co Ltd | Method for manufacturing precast concrete member |
| CN203452102U (en) * | 2013-07-09 | 2014-02-26 | 中铁第四勘察设计院集团有限公司 | Integral composite reversed filtering layer |
| CN106592580A (en) * | 2016-12-29 | 2017-04-26 | 常州工学院 | Self-pressurization rapid-permeating precast pile device and construction method thereof |
| CN206667291U (en) * | 2017-04-26 | 2017-11-24 | 中国葛洲坝集团勘测设计有限公司 | A kind of prefabricated anti-filter bag for retaining wall draining |
| CN210395307U (en) * | 2019-07-12 | 2020-04-24 | 中国电建集团北京勘测设计研究院有限公司 | Prefabricated strainer from area hierarchical filtering capability |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5163424B2 (en) | Groundwater drainage structure and tunnel construction method having the drainage structure | |
| CN110566273B (en) | Drainage system and drainage method for treating tunnel surrounding rock fracture water | |
| CN205152968U (en) | Precipitation tubular well structure | |
| CN105178289A (en) | Prefabricated downcast pipe pile in building foundation pit and use method thereof | |
| CN105569094A (en) | Water discharge and drainage system and construction method adopting basement bottom plate water buoyant force releasing method | |
| CN206667291U (en) | A kind of prefabricated anti-filter bag for retaining wall draining | |
| CN109723071B (en) | Construction method of double-layer steel drum drainage system built in basement floor post-cast strip | |
| CN105350554A (en) | High-water-level foundation pit dewatering construction method | |
| CN110241788A (en) | A kind of reservoir dam body culvert pipe reconstruction structure and construction method | |
| CN203569575U (en) | Plastic blind ditch pipe sandless precipitation well | |
| CN210395307U (en) | Prefabricated strainer from area hierarchical filtering capability | |
| CN210657862U (en) | Novel underdrain drain assembly | |
| CN217352790U (en) | Filter layer drain pipe for supporting structure | |
| CN110295587A (en) | A kind of filter pipe of prefabricated included classified filtering function | |
| CN207452926U (en) | A kind of instrument for improving Application of light well point precipitation efficiency | |
| CN105275010A (en) | Anti-filtration drainage sphere and construction method thereof | |
| CN211285703U (en) | Percolation water collection pump well with backwashing function | |
| CN211006854U (en) | Three-dimensional groundwater collecting system of compound geotechnological | |
| CN107366348A (en) | A kind of anti-alluvial pipeline | |
| CN205242416U (en) | Downcomer filter equipment | |
| CN209243494U (en) | A kind of permeable pavement structure | |
| CN106592545A (en) | Water drainage system for water-enriched edge slope | |
| CN112554215A (en) | Double-sleeve artesian deep well precipitation construction method and structure for muddy silty clay with silty soil geology | |
| CN219450670U (en) | Vertical seepage wall and horizontal seepage hole discharging system for tailing pond | |
| CN205276434U (en) | Inside and outside infiltration strainer |
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 |