CN112504942A - Detection apparatus for concrete permeability coefficient permeates water - Google Patents
Detection apparatus for concrete permeability coefficient permeates water Download PDFInfo
- Publication number
- CN112504942A CN112504942A CN202011542343.2A CN202011542343A CN112504942A CN 112504942 A CN112504942 A CN 112504942A CN 202011542343 A CN202011542343 A CN 202011542343A CN 112504942 A CN112504942 A CN 112504942A
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- Prior art keywords
- fixedly connected
- side wall
- threaded rod
- shell
- permeability coefficient
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000004567 concrete Substances 0.000 title claims abstract description 33
- 230000035699 permeability Effects 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 239000012466 permeate Substances 0.000 title description 4
- 239000011380 pervious concrete Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 229920003266 Leaf® Polymers 0.000 description 14
- 238000009434 installation Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
Abstract
The invention belongs to the technical field of concrete detection, and particularly relates to a detection device for a permeability coefficient of pervious concrete. According to the invention, the two first movable plates can be adjusted by arranging the limiting mechanism, so that the distance between the two limiting plates can be adjusted, the effect of storing water above the concrete block and stably permeating water is realized by matching the whole height of the two limiting plates with the height higher than that of concrete, and the vibration of the filter screen can be realized by matching the second adjusting mechanism outside the shell, so that the water can be ensured to pass through the filter screen, the water is prevented from accumulating on the upper side of the filter screen, and the detection accuracy is ensured.
Description
Technical Field
The invention relates to the technical field of concrete detection, in particular to a device for detecting the permeability coefficient of permeable concrete.
Background
Concrete, referred to as "concrete" for short: refers to the general name of engineering composite materials formed by cementing aggregate into a whole by cementing materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called as common concrete, is obtained by mixing with water (which may contain additives and admixtures) according to a certain proportion and stirring, and is widely applied to civil engineering.
In the concrete detection process in the prior art, firstly, when water is poured onto the surface of a concrete block, sand and stones on the surface of the concrete block are splashed out due to impact force, so that the water enters a collection box, and the detection accuracy is further influenced; secondly, because the concrete piece is carrying out the in-process of the experiment that permeates water, the concrete piece lacks the spacing structure of centre gripping to make the testing result accurate inadequately.
Therefore, we propose a permeable concrete permeability coefficient detection device to solve the above problems.
Disclosure of Invention
The invention aims to solve the problem that detection is not accurate enough in the prior art, and provides a device for detecting the permeability coefficient of permeable concrete.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a detection apparatus for concrete water permeability coefficient permeates water, includes the casing, casing upside fixed mounting has the upper water tank, be equipped with water feeding mechanism in the upper water tank, fixed mounting has the backup pad between the lateral wall about in the casing, sliding connection has two first fly leafs in the backup pad, two the equal fixedly connected with limiting plate of part that first fly leaf is located the backup pad, be equipped with the first adjustment mechanism who adjusts two limiting plates in the backup pad, the upside of backup pad is equipped with the mounting groove, the lower lateral wall fixedly connected with outlet pipe of mounting groove, the outlet pipe runs through the downside of backup pad, the downside that is located the backup pad between the wall of casing both sides can be dismantled and is connected with the filter screen, the collecting box is installed to the bottom in the casing.
Preferably, the water feeding mechanism includes the first motor fixedly connected with the outer left side wall of the upper water tank, the first pivot of the coaxial fixedly connected with of output of the first motor, the first pivot runs through the upper water tank, the first pivot is located the coaxial fixedly connected with spiral auger of the part of the upper water tank, advance the liquid fill through feed liquor pipe fixedly connected with in the upper side wall of the upper water tank, fixedly connected with drain pipe in the lower side wall of the upper water tank, the drain pipe runs through to the casing.
Preferably, a cavity is formed in the supporting plate, a first sliding groove is formed in the bottom of the cavity, two first sliding blocks matched with the first sliding groove are arranged in the first sliding groove, the two first sliding blocks are fixedly connected with the two first movable plates respectively, grooves are formed in the left end and the right end of the upper side wall of the cavity, and the two first movable plates penetrate through the two grooves respectively.
Preferably, first adjustment mechanism includes first threaded rod, first threaded rod rotates with the left side wall of cavity to be connected, first threaded rod runs through the right side wall of cavity and the right side wall setting of casing, two the part that first fly leaf is located the cavity all is equipped with first screw hole, two first screw hole all with first threaded rod threaded connection.
Preferably, the first threaded rod is a bidirectional threaded rod.
Preferably, the left end and the right end of the filter screen are fixedly connected with mounting blocks, the two mounting blocks are respectively provided with corresponding second threaded holes in the left side wall and the right side wall in the shell, and the corresponding second threaded holes are internally threaded with fixing bolts.
Preferably, the left and right side walls of the housing are both connected with the same second movable plate in a sliding manner, two ends of the second movable plate respectively penetrate through the two side walls of the housing, the outer side of the shell also comprises a second adjusting mechanism for adjusting the second movable plate, the second adjusting mechanism comprises two fixed rods fixedly connected with the part of the second movable plate positioned in the shell, the left side wall outside the shell is fixedly connected with an installation plate, the upper end of the installation plate is fixedly connected with a second motor, the output end of the second motor is coaxially and fixedly connected with a second rotating shaft, a second threaded rod is rotatably connected in the mounting plate through a rotating bearing, the second rotating shaft is in transmission connection with the second threaded rod through a transmission piece, a third threaded hole is formed in the portion, located outside the shell, of the left side of the second movable plate, and the third threaded hole is in threaded connection with the second threaded rod.
Preferably, the transmission part comprises a first bevel gear coaxially and fixedly connected with one end, close to the second threaded rod, of the second rotating shaft, the second threaded rod is coaxially and fixedly connected with two second bevel gears on the upper side of the mounting plate, and the first bevel gear is meshed with the two second bevel gears.
Compared with the prior art, the invention has the beneficial effects that: through setting up stop gear, can realize adjusting two first fly leafs to the realization is adjusted the distance between two limiting plates, the whole height that highly is higher than the concrete of two limiting plates of cooperation realizes that concrete piece top is deposited water and is stabilized the effect of permeating water, the second adjustment mechanism in the cooperation casing outside, and then can realize the vibration of filter screen, guarantees that water can pass through the filter screen, avoids the long-pending upside at the filter screen of gathering together, thereby guarantees the accuracy of detection.
Drawings
Fig. 1 is a perspective view of a structure of an embodiment 1 of a permeable concrete permeability coefficient detection device according to the present invention.
Fig. 2 is a schematic external structural diagram of an embodiment 1 of a permeable concrete permeability coefficient detection device according to the present invention.
Fig. 3 is a perspective view of the structure of embodiment 2 in the apparatus for detecting the permeability coefficient of permeable concrete according to the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Fig. 5 is a schematic structural view of a first bevel gear in embodiment 2 of a permeable concrete permeability coefficient detection apparatus according to the present invention.
In the figure: the device comprises a shell 1, a water feeding tank 2, a water feeding mechanism 3, a supporting plate 4, a first movable plate 5, a limiting plate 6, a first adjusting mechanism 7, a mounting groove 8, a water outlet pipe 9, a filter screen 10, a collecting box 11, a limiting rod 12, a floating block 13, a first motor 14, a first rotating shaft 15, a spiral auger 16, a liquid inlet pipe 17, a liquid inlet hopper 18, a liquid outlet pipe 19, a cavity 20, a first threaded rod 21, a mounting block 22, a fixing bolt 23, a second movable plate 24, a second adjusting mechanism 25, a fixing rod 26, a mounting plate 27, a second motor 28, a second rotating shaft 29, a second threaded rod 30, a transmission part 31, a first bevel gear 32 and a second bevel gear 33.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the invention, a liquid inlet hopper 18 is fixedly connected in the upper side wall of an upper water tank 2 through a liquid inlet pipe 17, a liquid outlet pipe 19 is fixedly connected in the lower side wall of the upper water tank 2, the liquid outlet pipe 19 penetrates into a shell 1, a support plate 4 is fixedly installed between the left side wall and the right side wall in the shell 1, two first movable plates 5 are slidably connected in the support plate 4, it is to be noted that a cavity 20 is arranged in the support plate 4, a first chute is arranged at the bottom of the cavity 20, two first sliding blocks matched with the first chute are arranged in the first chute, the two first sliding blocks are respectively fixedly connected with the two first movable plates 5, slots are respectively arranged at the left end and the right end of the upper side wall of the cavity 20, the two first movable plates 5 respectively penetrate through the two slots, limiting plates 6 are respectively fixedly connected to the parts of the two first movable plates 5, which are positioned, it is worth mentioning that first adjustment mechanism 7 includes first threaded rod 21, and it should be noted that first threaded rod 21 is two-way threaded rod, and first threaded rod 21 rotates with the left side wall of cavity 20 to be connected, and first threaded rod 21 runs through the right side wall setting of cavity 20 and casing 1, and two parts that first fly leaf 5 is located cavity 20 all are equipped with first screw hole, and two first screw holes all with first threaded rod 21 threaded connection.
According to the invention, an installation groove 8 is formed in the upper side of a supporting plate 4, a water outlet pipe 9 is fixedly connected to the lower side wall of the installation groove 8, the water outlet pipe 9 penetrates through the lower side of the supporting plate 4, a filter screen 10 is detachably connected to the lower side, located on the supporting plate 4, of the two side walls in a shell 1, it is to be noted that installation blocks 22 are fixedly connected to the left end and the right end of the filter screen 10 respectively, two corresponding second threaded holes are formed in the left side wall and the right side wall in the shell 1 respectively, fixing bolts 23 are connected to the corresponding second threaded holes in an internal thread mode, a collecting box 11 is installed at the.
During the use of this embodiment, place the concrete piece in mounting groove 8, rotate the runner after that, the runner drives first threaded rod 21 and rotates, first threaded rod 21 drives two first fly leafs 5 and removes, two first fly leafs 5 drive two limiting plates 6 of upside and remove, two limiting plates 6 carry out the centre gripping to the concrete piece and fix, open first motor 14 after that, first motor 14 drives first pivot 15 and rotates, first pivot 15 drives spiral auger 16 and rotates, thereby realize the effect of sail, water sees through in filter screen 10 gets into collecting box 11, through the scale mark in floater 13 and the collecting box 11 outside, and then calculate the coefficient of permeability of concrete.
In the invention, a mounting plate 27 is fixedly connected to the left outer side wall of a housing 1, a second motor 28 is fixedly connected to the upper end of the mounting plate 27, the types of the first motor 14 and the second motor 28 are both Y-160L-6, the first motor 14 and the second motor 28 are electrically connected to the outside, which is the prior art and will not be described herein, a second rotating shaft 29 is fixedly connected to the output end of the second motor 28 coaxially, a second threaded rod 30 is rotatably connected to the inside of the mounting plate 27 through a rotating bearing, the second rotating shaft 29 is in transmission connection with the second threaded rod 30 through a transmission member 31, it is noted that the transmission member 31 includes a first bevel gear 32 fixedly connected to the end of the second rotating shaft 29 close to the second threaded rod 30 coaxially, the first bevel gear 32 is an incomplete bevel gear, and two second bevel gears 33 are fixedly connected to the upper side of the mounting plate 27 coaxially, the first bevel gear 32 is engaged with two second bevel gears 33, and a third threaded hole is formed in a portion of the left side of the second movable plate 24, which is located outside the housing 1, and is in threaded connection with the second threaded rod 30.
When this embodiment uses, when water falls on the concrete piece, when the grit falls on filter screen 10, influence water when passing through filter screen 10, open second motor 28, second motor 28 drives second pivot 29 and rotates, second pivot 29 drives first bevel gear 32 and rotates, first bevel gear 32 drives two second bevel gear 33 rotations in proper order, two second bevel gear 33 drive second threaded rod 30 and make a round trip to rotate, second threaded rod 30 drives second fly leaf 24 reciprocating motion from top to bottom, second fly leaf 24 drives two dead levers 26 and reciprocates, two dead levers 26 drive the vibration of filter screen 10, realize that water passes through filter screen 10, guarantee concrete testing result's accuracy.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The detection device for the water permeability coefficient of the pervious concrete comprises a shell (1) and is characterized in that an upper water tank (2) is fixedly mounted on the upper side of the shell (1), a water feeding mechanism (3) is arranged in the upper water tank (2), a support plate (4) is fixedly mounted between the left side wall and the right side wall in the shell (1), two first movable plates (5) are connected in the support plate (4) in a sliding manner, the parts, located outside the support plate (4), of the two first movable plates (5) are both fixedly connected with limiting plates (6), a first adjusting mechanism (7) for adjusting the two limiting plates (6) is arranged in the support plate (4), a mounting groove (8) is formed in the upper side of the support plate (4), a water outlet pipe (9) is fixedly connected to the lower side wall of the mounting groove (8), and the water outlet pipe (9), the filter screen (10) is detachably connected to the lower side, located on the supporting plate (4), between the two side walls in the shell (1), the collecting box (11) is installed at the bottom in the shell (1), and the floating block (13) is installed in the collecting box (11) through the limiting rod (12).
2. The permeable concrete water permeability coefficient detection device according to claim 1, characterized in that the water feeding mechanism (3) comprises a first motor (14) fixedly connected to the outer left side wall of the upper water tank (2), the output end of the first motor (14) is coaxially and fixedly connected with a first rotating shaft (15), the first rotating shaft (15) penetrates through the upper water tank (2), the part of the first rotating shaft (15) located in the upper water tank (2) is coaxially and fixedly connected with a spiral auger (16), the upper side wall of the upper water tank (2) is internally and fixedly connected with a liquid inlet hopper (18) through a liquid inlet pipe (17), the lower side wall of the upper water tank (2) is internally and fixedly connected with a liquid outlet pipe (19), and the liquid outlet pipe (19) penetrates into the shell (1).
3. The device for detecting the permeability coefficient of pervious concrete according to claim 1, wherein a cavity (20) is arranged in the support plate (4), a first sliding groove is arranged at the bottom of the cavity (20), two first sliding blocks matched with the cavity are arranged in the first sliding groove, the two first sliding blocks are respectively and fixedly connected with the two first movable plates (5), grooves are respectively arranged at the left end and the right end of the upper side wall of the cavity (20), and the two first movable plates (5) respectively penetrate through the two grooves.
4. The device for detecting the permeability coefficient of pervious concrete according to claim 3, wherein the first adjusting mechanism (7) comprises a first threaded rod (21), the first threaded rod (21) is rotatably connected with the left side wall of the cavity (20), the first threaded rod (21) is arranged through the right side wall of the cavity (20) and the right side wall of the shell (1), the parts of the two first movable plates (5) in the cavity (20) are respectively provided with a first threaded hole, and the two first threaded holes are respectively in threaded connection with the first threaded rod (21).
5. The device for detecting the permeability coefficient of pervious concrete according to claim 4, wherein the first threaded rod (21) is a bidirectional threaded rod.
6. The device for detecting the permeability coefficient of pervious concrete according to claim 1, wherein the left end and the right end of the filter screen (10) are fixedly connected with mounting blocks (22), the two mounting blocks (22) are respectively provided with corresponding second threaded holes on the left side wall and the right side wall in the shell (1), and the corresponding second threaded holes are internally connected with fixing bolts (23).
7. The detection device for the permeability coefficient of pervious concrete according to claim 1, wherein the same second movable plate (24) is slidably connected in the left and right side walls of the housing (1), two ends of the second movable plate (24) are respectively arranged through two side walls of the housing (1), the outer side of the housing (1) further comprises a second adjusting mechanism (25) for adjusting the second movable plate (24), the second adjusting mechanism (25) comprises two fixing rods (26) fixedly connected with the part of the second movable plate (24) located in the housing (1), a mounting plate (27) is fixedly connected on the outer left side wall of the housing (1), a second motor (28) is fixedly connected at the upper end of the mounting plate (27), a second rotating shaft (29) is coaxially and fixedly connected at the output end of the second motor (28), and a second threaded rod (30) is rotatably connected in the mounting plate (27) through a rotating bearing, the second rotating shaft (29) is in transmission connection with the second threaded rod (30) through a transmission piece (31), a third threaded hole is formed in the portion, located outside the shell (1), of the left side of the second movable plate (24), and the third threaded hole is in threaded connection with the second threaded rod (30).
8. The device for detecting the permeability coefficient of permeable concrete according to claim 7, wherein the transmission member (31) comprises a first bevel gear (32) coaxially and fixedly connected with one end of the second rotating shaft (29) close to the second threaded rod (30), the second threaded rod (30) is coaxially and fixedly connected with two second bevel gears (33) on the upper side of the mounting plate (27), and the first bevel gear (32) is meshed with the two second bevel gears (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011542343.2A CN112504942A (en) | 2020-12-24 | 2020-12-24 | Detection apparatus for concrete permeability coefficient permeates water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011542343.2A CN112504942A (en) | 2020-12-24 | 2020-12-24 | Detection apparatus for concrete permeability coefficient permeates water |
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| Publication Number | Publication Date |
|---|---|
| CN112504942A true CN112504942A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011542343.2A Pending CN112504942A (en) | 2020-12-24 | 2020-12-24 | Detection apparatus for concrete permeability coefficient permeates water |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008046086A (en) * | 2006-08-21 | 2008-02-28 | Kagawa Univ | Water penetration test machine and water penetration test method |
| CN107557257A (en) * | 2017-09-30 | 2018-01-09 | 南京辰略信息科技发展有限责任公司 | A kind of multiple cooling device of wine-making industry vinasse |
| CN208343146U (en) * | 2018-06-21 | 2019-01-08 | 盐城市鼎力新材料有限公司 | A kind of efficient building mortar agitating device |
| CN208601176U (en) * | 2018-08-17 | 2019-03-15 | 温州思林工业设计有限公司 | A kind of machine tool cutting liquid cooling back installation |
| CN211122869U (en) * | 2019-12-05 | 2020-07-28 | 山东蓝城分析测试有限公司 | Soil pollution detecting instrument |
| CN211262976U (en) * | 2019-12-24 | 2020-08-14 | 杨艳 | Clamp for testing dynamic strength of toy car |
| CN211357967U (en) * | 2019-10-18 | 2020-08-28 | 大庆炳辉机械设备制造有限公司 | Oil-water-sand separation treatment device for sewage discharge of oil field combined station |
| CN211763713U (en) * | 2020-03-14 | 2020-10-27 | 范永秀 | Totally-enclosed environment-friendly vertical garbage briquetting machine |
| CN211931203U (en) * | 2019-12-18 | 2020-11-17 | 李因友 | Peanut planting device for farming |
| CN212008250U (en) * | 2020-05-04 | 2020-11-24 | 卢亮亮 | Detection apparatus for concrete permeability coefficient permeates water |
| CN212059674U (en) * | 2019-12-28 | 2020-12-01 | 丽水腾信涂料有限公司 | LED chip strength testing device |
| CN212134391U (en) * | 2020-04-14 | 2020-12-11 | 南京英斯拜科新材料科技有限公司 | Cylindrical sample side hardness detection harness |
-
2020
- 2020-12-24 CN CN202011542343.2A patent/CN112504942A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008046086A (en) * | 2006-08-21 | 2008-02-28 | Kagawa Univ | Water penetration test machine and water penetration test method |
| CN107557257A (en) * | 2017-09-30 | 2018-01-09 | 南京辰略信息科技发展有限责任公司 | A kind of multiple cooling device of wine-making industry vinasse |
| CN208343146U (en) * | 2018-06-21 | 2019-01-08 | 盐城市鼎力新材料有限公司 | A kind of efficient building mortar agitating device |
| CN208601176U (en) * | 2018-08-17 | 2019-03-15 | 温州思林工业设计有限公司 | A kind of machine tool cutting liquid cooling back installation |
| CN211357967U (en) * | 2019-10-18 | 2020-08-28 | 大庆炳辉机械设备制造有限公司 | Oil-water-sand separation treatment device for sewage discharge of oil field combined station |
| CN211122869U (en) * | 2019-12-05 | 2020-07-28 | 山东蓝城分析测试有限公司 | Soil pollution detecting instrument |
| CN211931203U (en) * | 2019-12-18 | 2020-11-17 | 李因友 | Peanut planting device for farming |
| CN211262976U (en) * | 2019-12-24 | 2020-08-14 | 杨艳 | Clamp for testing dynamic strength of toy car |
| CN212059674U (en) * | 2019-12-28 | 2020-12-01 | 丽水腾信涂料有限公司 | LED chip strength testing device |
| CN211763713U (en) * | 2020-03-14 | 2020-10-27 | 范永秀 | Totally-enclosed environment-friendly vertical garbage briquetting machine |
| CN212134391U (en) * | 2020-04-14 | 2020-12-11 | 南京英斯拜科新材料科技有限公司 | Cylindrical sample side hardness detection harness |
| CN212008250U (en) * | 2020-05-04 | 2020-11-24 | 卢亮亮 | Detection apparatus for concrete permeability coefficient permeates water |
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