CN106644835A - Determining device and method of chloride ion vertical diffusion coefficient under different hydraulic gradients - Google Patents
Determining device and method of chloride ion vertical diffusion coefficient under different hydraulic gradients Download PDFInfo
- Publication number
- CN106644835A CN106644835A CN201611124436.7A CN201611124436A CN106644835A CN 106644835 A CN106644835 A CN 106644835A CN 201611124436 A CN201611124436 A CN 201611124436A CN 106644835 A CN106644835 A CN 106644835A
- Authority
- CN
- China
- Prior art keywords
- main body
- liquid supply
- chlorion
- supply box
- apparatus main
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
Abstract
The invention relates to a determining device and method of a chloride ion vertical diffusion coefficient under different hydraulic gradients. The device comprises a telescopic support frame, a determining device main body box used for containing test soil samples and a liquid supply box used for containing chloride ion solution, wherein the bottom of the determining device main body box is provided with a liquid collecting opening; the top of the determining device main body box is provided with a sealing top cover; the liquid supply box is arranged on the telescopic support frame; the liquid supply box communicates with the determining device main body box through a hose; firstly, the test soil samples are filled in the determining device main body box; tap water is used for leaching; after the test soil sample saturation, the sealing top cover covers the determining device main body box; the chloride ion solution is injected into the liquid supply box; the height of the telescopic support frame is regulated, so that the set hydraulic gradient is reached; then, the chloride ion solution is injected into the test soil sample through the hose; finally, filter liquid at a liquid collecting opening is collected; analysis is performed to determine the chloride ion vertical diffusion coefficient at the hydraulic gradient. Compared with the prior art, the device and the method have the advantages that the structure is simple; the measurement result is accurate and reliable.
Description
Technical field
The present invention relates to a kind of measure device and method of chlorion vertical proliferation coefficient, more particularly, to a kind of different water
The measure device and method of the chlorion vertical proliferation coefficient under power gradient.
Background technology
With the development of society, more and more more river sea shield tunnel input is built, is used, such as Shanghai Yangtze River Tunnel,
Bohai Sea Gulf Sea-Crossing Passage, Qiongzhou Strait seabed tunnel etc..
The unfavorable factors such as tunnel overlying soil layer scour, treatment technology for tunnel seepage, can all be such that chlorion penetrates into high pressure seepage water
Section of jurisdiction meets water native face, causes the multiple diseases such as shield tunnel track bolt corrosion, elastic sealing gasket and lining concrete corrosion to be produced
It is raw, the performance in tunnel is had a strong impact on, make tunnel structure not need overhaul up to design reference period, substantial contribution has both been wasted,
Normally using for tunnel is affected again, maintenance period and service life is shortened, and traffic safety in tunnel can be also threatened when serious.Such as
Fruit is administered not in time to the disease in tunnel, and liner structure can be made to cause further damage, or even scraps tunnel.Therefore exist
When design and construction newly built tunnels, if grasping the migration rule of chlorion in upper overburden layer, then corresponding strick precaution can be taken to arrange
Apply, the generation of such disease can be reduced, improve safety of structure, reduce maintenance cost.
General subaqueous tunnel is different from, more Jiang Hai tunnels local environment shows as high hydraulic pressure erosion environment, with Qiongzhou Strait
As a example by, maximum water depth reaches 200m, and when seabed tunnel buried depth is 10m, hydraulic gradient reaches 20:1.According to Darcy's law, seepage flow
Water speed rate is directly proportional to hydraulic gradient, and high hydraulic gradient accelerates chlorion migration, therefore for shield under high hydraulic gradient environment
The chlorion migration rule research of overburden layer is extremely urgent on structure tunnel.
Model test is to solve complex engineering problems and the requisite means of theoretical question that study science, by difference
Chlorion migration rule under hydraulic gradient is studied, and sets up the relation of the hydraulic gradient spread vertical with chlorion, is real
Chlorion migration rule in the engineering of border under different working conditions provides reference frame.The measure of chlorion vertical proliferation coefficient is
One of most effectual way of research chlorion Vertical movement rule.Traditional chlorion vertical proliferation device section and height is solid
Fixed, solution usage is larger, and moisture is volatile in process of the test, causes solution solubility to rise, so as to cause error to test；Together
When device side wall it is larger with soil sample hole, easily there is " short stream " phenomenon, solution is mixed from seepage flow at areole gap and normal filtration liquid
Close, cause test error even test failure.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art to exist and provides a kind of different hydraulic gradients
Under chlorion vertical proliferation coefficient measure device and method.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of measure device of the chlorion vertical proliferation coefficient under different hydraulic gradients, the device is included for holding examination
The measure apparatus main body case for testing soil sample and the liquid supply box for holding Chloride Solution, described measure apparatus main body bottom portion is provided with
Liquid collection opening, the device also includes telescope support, and described measure apparatus main body box top arranges top pressure closure, described liquid supply box
It is arranged on telescope support, by the measure apparatus main body case described in soft pipe connection, described flexible pipe is passed through described liquid supply box
Described top pressure closure is arranged；
First, test soil sample is inserted in apparatus main body case is determined and using running water leaching, after test soil sample saturation,
Top pressure closure on apparatus main body box cover is determined, Chloride Solution is injected into liquid supply box, telescope support height is adjusted, so as to reach
The hydraulic gradient of setting, then, Chloride Solution is injected by flexible pipe to test soil sample, and finally collecting the filtrate of liquid collection opening is carried out
Analysis determines the chlorion vertical proliferation coefficient under the water conservancy gradient.
Described measure apparatus main body case is cylindrical tube, and described cylindrical tube bottom is double-layer cavity structure,
Its inner chamber is uni-flow vat, and exocoel is splitter box, and described shunting trench bottom is sealed by annular seal bottom, and described divides
Stream groove sidewall arranges diffluence pass, and described following current trench bottom arranges porous bottom, and liquid collection opening is arranged on described uni-flow vat lower section
And arrange with described uni-flow vat sealing.
Described liquid collection opening is funnel-form, and liquid collection opening heavy caliber end is tightly connected with described uni-flow vat.
Described uni-flow vat and splitter box fills up quartz sand, and described test soil sample is arranged on quartz sand top and passes through
Geotextile separates quartz sand and test soil sample.
Described top pressure closure is provided with drain tap.
Described top pressure closure is connected by flange-interface with described measure apparatus main body case.
Described liquid supply box be provided with for keeping liquid supply box in solution head height draining valve.
There is one layer of oil reservoir on the Chloride Solution held in described liquid supply box.
A kind of assay method of the measure device of chlorion vertical proliferation coefficient using under above-mentioned different hydraulic gradients, should
Method comprises the steps：
(1) quartz sand is filled up in the uni-flow vat and splitter box for determining apparatus main body bottom portion, soil is laid on quartz sand
Work fabric；
(2) test soil sample is inserted the geotextile top determined in apparatus main body case, with running water leaching is carried out, it is determined that
Test soil sample saturation；
(3) top pressure closure is tightly connected with apparatus main body case is determined, flexible pipe connection determines apparatus main body case and liquid supply box,
Chloride Solution is injected in liquid supply box, the drain tap on top pressure closure is opened, and then is injected in liquid supply box by flexible pipe
Chloride Solution, while drain tap discharges air；
(4) determine and close after air discharge in apparatus main body case drain tap, regulation telescope support height to setting value,
One layer of oil reservoir is covered in liquid supply box on Chloride Solution, draining valve and the in time supplementary Chloride Solution in liquid supply box is opened,
So that Chloride Solution head height keeps constant in liquid supply box；
(5) filtrate of liquid collection opening is collected, the chlorion vertical proliferation system determined under the water conservancy gradient is analyzed to filtrate
Number；
Telescope support is highly adjusted to different numerical value in repeat step (1)～(5), and step (4), so as to obtain different water
Chlorion vertical proliferation coefficient under power gradient.
Compared with prior art, the invention has the advantages that：
(1) present invention is connected liquid supply box with apparatus main body case is determined by flexible pipe, so as to pass through flexible pipe to test soil sample
Middle injection Chloride Solution, using flow characteristics, reduces the consumption of Chloride Solution, has saved resource；
(2) present invention arranges telescope support, and the height of liquid supply box can be changed by the height of regulation telescope support, from
And the convenient measure to the chlorion vertical proliferation coefficient under different hydraulic gradients；
(3) present invention is determining apparatus main body bottom portion setting splitter box and uni-flow vat, by splitter box and uni-flow vat
Percolate is isolated, and the analysis for carrying out chlorion vertical proliferation coefficient by the filtrate in smooth groove determines, so as to eliminate side wall
Impact of the short flow phenomenon to measurement result, measurement result is accurately and reliably；
(4) present invention covers one layer of oil reservoir on the Chloride Solution in liquid supply box, eliminates in process of the test due to water
Divide volatilization, cause solution solubility to rise, so as to cause the problem of error to test；
(5) draining valve that the present invention is arranged causes the solution height in liquid supply box to remain constant altitude, so as to
Hydraulic gradient keeps constant in the continuous mode of the chlorion vertical proliferation coefficient under a certain hydraulic gradient, it is ensured that measurement result
Reliability.
Description of the drawings
Fig. 1 is the structural representation of the measure device of the chlorion vertical proliferation coefficient under difference hydraulic gradient of the invention；
Fig. 2 determines the smooth groove in apparatus main body bottom portion and shunting groove location horizontal direction sectional view for the present invention；
Fig. 3 is chlorion breakthrough curve in embodiment.
In figure, 1 is liquid supply box, and 2 is flexible pipe, and 3 are test soil sample to determine apparatus main body case, 4, and 5 is geotextile, and 6 are
Uni-flow vat, 7 is splitter box, and 8 is quartz sand, and 9 is porous bottom, and 10 are sealing bottom, and 11 is liquid collection opening, and 12 is diffluence pass, 13
For drain tap, 14 is top pressure closure, and 15 is flange-interface, and 16 is telescope support, and 17 is oil reservoir, and 18 is draining valve.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in detail with specific embodiment.
Embodiment
As shown in figure 1, a kind of measure device of the chlorion vertical proliferation coefficient under different hydraulic gradients, the device includes
For holding the measure apparatus main body case 3 of test soil sample 4 and holding the liquid supply box 1 of Chloride Solution, hold in liquid supply box 1
There is one layer of oil reservoir 17 on Chloride Solution, determine the bottom of apparatus main body case 3 and be provided with liquid collection opening 11, the device also includes telescope support
16, determine the top of apparatus main body case 3 and top pressure closure 14 is set, top pressure closure 14 is provided with drain tap 13, and top pressure closure 14 leads to
Cross flange-interface 15 and be connected with apparatus main body case 3 is determined, determine apparatus main body case 3 and be arranged on telescope support 16, liquid supply box 1 leads to
Cross the connection of flexible pipe 2 and determine apparatus main body case 3, flexible pipe 2 is arranged through top pressure closure 14；First, fill out in apparatus main body case 3 is determined
Enter to test soil sample 4 and using running water leaching, after the test saturation of soil sample 4, on apparatus main body case 3 is determined top pressure closure is covered
14, Chloride Solution is injected into liquid supply box 1, the height of telescope support 16 is adjusted, so as to reach the hydraulic gradient of setting, then, lead to
Cross flexible pipe 2 and inject Chloride Solution to test soil sample 4, finally the filtrate of collection liquid collection opening 11 is analyzed and determines the water conservancy gradient
Under chlorion vertical proliferation coefficient.
It is cylindrical tube to determine apparatus main body case 3, and cylindrical tube bottom is double-layer cavity structure, and its inner chamber is following current
Groove 6, exocoel is splitter box 7, and the bottom of splitter box 7 is sealed by annular seal bottom 10, and the side wall of splitter box 7 arranges diffluence pass
12, the bottom of uni-flow vat 6 arranges porous bottom 9, liquid collection opening 11 be arranged on the described lower section of uni-flow vat 6 and with described uni-flow vat 6
Sealing is arranged.Liquid collection opening 11 is funnel-form, and the heavy caliber end of liquid collection opening 11 is tightly connected with uni-flow vat 6.Uni-flow vat 6 and splitter box 7
Quartz sand 8 is filled up, test soil sample 4 is arranged on the top of quartz sand 8 and passes through geotextile 5 by quartz sand 8 and 4 points of soil sample of test
Every.The smooth groove 6 in the bottom of measure apparatus main body case 3 and the position horizontal direction sectional view of splitter box 7 are illustrated in figure 2, can from figure
To find out the horizontal direction section of splitter box 7 as annular, the horizontal direction section of uni-flow vat 6 is circle, and the central point of annular and
The circular center of circle is overlapped.
In addition, liquid supply box 1 be provided with for keeping liquid supply box 1 in solution head height draining valve 18, when liquid supply box 1
In solution height reach 18 height of draining valve when, solution is discharged from draining valve 18, so in liquid case Chloride Solution protect
Hold in setting height, while in time Chloride Solution is filled into in liquid supply box 1, in practical measurement process, due in liquid supply box 1
Flow into determine the solution in apparatus main body case 3 speed it is very slow, therefore solution height decrease speed is very slow, under normal circumstances can be with
Ignore, therefore at regular intervals, it was observed that liquid supply box 1 leads to liquid when being highly decreased obviously, in time in supply liquid supply box 1
Solution.
Liquid supply box 1 and measure apparatus main body case 3 are made using high intensity lucite, can clearly be observed in test
Trystate.
A kind of assay method of the measure device of chlorion vertical proliferation coefficient using under above-mentioned different hydraulic gradients, should
Method comprises the steps：
(1) quartz sand 8 is filled up in the uni-flow vat 6 and splitter box 7 for determining the bottom of apparatus main body case 3, on the upper berth of quartz sand 8
If geotextile 5；
(2) test soil sample 4 is inserted the top of geotextile 5 determined in apparatus main body case 3, with running water leaching is carried out,
It is determined that the test earth saturation of soil sample 4；
(3) top pressure closure 14 is tightly connected with apparatus main body case 3 is determined, the connection of flexible pipe 2 determines apparatus main body case 3 and supplies
Liquid case 1, injects Chloride Solution in liquid supply box 1, opens the drain tap 13 on top pressure closure 14, so by flexible pipe 2 to
Chloride Solution is injected in liquid supply box 1, while drain tap 13 discharges air；
(4) determine after air is discharged in apparatus main body case 3 and close drain tap 13, adjust the height of telescope support 16 to setting
Value, covers one layer of oil reservoir 17 on Chloride Solution in liquid supply box 1, and opening draining valve 18 is simultaneously timely to be supplemented in liquid supply box 1
Chloride Solution so that Chloride Solution head height keeps constant in liquid supply box 1；
(5) filtrate of liquid collection opening 11 is collected, the chlorion vertical proliferation determined under the water conservancy gradient is analyzed to filtrate
Coefficient, water quality test is carried out with ICS-1000 types ion chromatograph to filtrate, the concentration of Chloride Ion In Water is measured, using experiment
Data, by being fitted to solute breakthrough curve (Breakthrough curve, BTC), obtain chlorion vertical proliferation system
Number.The parsing of one semo-infinite soil column leaching sees below formula：
In formula：βmForPositive root, C be collect liquid collection opening filtrate chlorion
Solubility, g/mL；C0Chlorion solubility in test soil sample, g/mL；CsFor the chlorion solubility of the Chloride Solution in liquid supply box,
g/mL；L is the test total height of soil sample 4, cm；D be chlorion vertical proliferation coefficient, cm2/s；V be average pore water flow velocity, cm/
s；T is time of measuring, s；RdFor retardation coefficient.
The height of telescope support 16 is adjusted to different numerical value in repeat step (1)～(5), and step (4), so as to obtain difference
Chlorion vertical proliferation coefficient under hydraulic gradient.
Test soil sample is Songjiang District in Shanghai City's 4. layer silt clay, and dry density is 1.86g/cm3, porosity is 0.512.
Quartz sand 8 is put in uni-flow vat 6 and splitter box 7, geotextile 5 is subsequently spread in compacting leveling, and above-mentioned soil to be measured is placed in layering
Earth sample is put in the test soil sample 4 casees 3 of the present invention, and ensures that earth pillar inside is closely knit, subsequently carries out leaching with running water, it is determined that
Test soil saturation, the diameter 29cm of bottom uni-flow vat 6, soil pattern size is Φ 45cm × 5cm, subsequently passes through flange-interface 15
Liquor box is connected with top pressure closure 14, and ensures sealing, liquid supply box 1 and liquor box are connected by flexible pipe 2, toward feed flow
3%NaCl solution is input in case 1, drain tap 13 is opened, liquor box is treated full of solution, while air in liquor box is all arranged
Go out, close drain tap 13, liquid supply box 1 is placed on telescoping shoring column 16, adjust the adjustment liquid supply box 1 of telescoping shoring column 16 high
Degree, in the superjacent of liquid supply box 1 one layer of oil reservoir 17 is added, and opens draining valve 18, and liquid level is maintained at into level altitude, and head is high
Spend for 0.75m, hydraulic gradient is 15:Isosorbide-5-Nitrae after 5 days chlorion breakthrough curve (BTC) as shown in figure 3, using CXTFIT softwares intend
It is 5.023 that conjunction obtains the chlorion vertical proliferation coefficient that hydraulic gradient is Songjiang District in Shanghai City under the conditions of 15 4. layer silt clay
×10-6cm2/s。
Claims (9)
1. a kind of measure device of the chlorion vertical proliferation coefficient under different hydraulic gradients, the device is included for holding test
Measure apparatus main body case (3) of soil sample (4) and the liquid supply box (1) of Chloride Solution is held, described measure apparatus main body case
(3) bottom is provided with liquid collection opening (11), it is characterised in that the device also includes telescope support (16), described measure apparatus main body
Case (3) top arranges top pressure closure (14), and described liquid supply box (1) is arranged on telescope support (16), described liquid supply box (1)
By described measure apparatus main body case (3) of flexible pipe (2) connection, described flexible pipe (2) sets through described top pressure closure (14)
Put；
First, test soil sample (4) is inserted in apparatus main body case (3) is determined and using running water leaching, tests soil sample (4) saturation
Afterwards, top pressure closure (14) is covered on apparatus main body case (3) is determined, Chloride Solution is injected into liquid supply box (1), adjust flexible
Frame (16) height, so as to reach the hydraulic gradient of setting, then, injects chlorion molten by flexible pipe (2) to test soil sample (4)
Liquid, the filtrate for finally collecting liquid collection opening (11) is analyzed the chlorion vertical proliferation coefficient determined under the water conservancy gradient.
2. the measure device of the chlorion vertical proliferation coefficient under a kind of different hydraulic gradients according to claim 1, its
It is characterised by, described measure apparatus main body case (3) is cylindrical tube, described cylindrical tube bottom is double-layer cavity knot
Structure, its inner chamber is uni-flow vat (6), and exocoel is splitter box (7), and described splitter box (7) bottom passes through annular seal bottom (10)
Sealed, described splitter box (7) side wall arranges diffluence pass (12), described uni-flow vat (6) bottom arranges porous bottom
(9), liquid collection opening (11) is arranged on described uni-flow vat (6) lower section and arranges with described uni-flow vat (6) sealing.
3. the measure device of the chlorion vertical proliferation coefficient under a kind of different hydraulic gradients according to claim 2, its
It is characterised by, described liquid collection opening (11) is funnel-form, liquid collection opening (11) heavy caliber end connects with described uni-flow vat (6) sealing
Connect.
4. the measure device of the chlorion vertical proliferation coefficient under a kind of different hydraulic gradients according to claim 2, its
It is characterised by, described uni-flow vat (6) and splitter box (7) fills up quartz sand (8), described test soil sample (4) is arranged on stone
Sand (8) top is simultaneously separated quartz sand (8) and test soil sample (4) by geotextile (5).
5. the measure device of the chlorion vertical proliferation coefficient under a kind of different hydraulic gradients according to claim 1, its
It is characterised by, described top pressure closure (14) is provided with drain tap (13).
6. the measure device of the chlorion vertical proliferation coefficient under a kind of different hydraulic gradients according to claim 1, its
It is characterised by, described top pressure closure (14) is connected by flange-interface (15) with described measure apparatus main body case (3).
7. the measure device of the chlorion vertical proliferation coefficient under a kind of different hydraulic gradients according to claim 1, its
Be characterised by, described liquid supply box (1) be provided with for keeping liquid supply box (1) in solution head height draining valve (18).
8. the measure device of the chlorion vertical proliferation coefficient under a kind of different hydraulic gradients according to claim 1, its
It is characterised by thering is one layer of oil reservoir (17) on the Chloride Solution held in described liquid supply box (1).
9. chlorion vertical proliferation coefficient under a kind of different hydraulic gradients using as described in any one of claim 1～8
Determine the assay method of device, it is characterised in that the method comprises the steps：
(1) quartz sand (8) is filled up in the uni-flow vat (6) and splitter box (7) for determining apparatus main body case (3) bottom, in quartz sand
(8) laying geotextile (5) on；
(2) geotextile (5) top determined in apparatus main body case (3) is inserted in test soil sample (4), is drenched with running water
Filter, it is determined that test soil sample (4) saturation；
(3) top pressure closure (14) is tightly connected with apparatus main body case (3) is determined, flexible pipe (2) connection determines apparatus main body case (3)
With liquid supply box (1), the injection Chloride Solution in liquid supply box (1), the drain tap (13) on top pressure closure (14) is opened, and then
Chloride Solution is injected in liquid supply box (1) by flexible pipe (2), while drain tap (13) discharges air；
(4) determine after air is discharged in apparatus main body case (3) and close drain tap (13), adjust telescope support (16) highly to setting
Definite value, covers one layer of oil reservoir (17) on Chloride Solution in liquid supply box (1), opens draining valve (18) and in time to liquid supply box
(1) Chloride Solution is supplemented in so that Chloride Solution head height keeps constant in liquid supply box (1)；
(5) filtrate of liquid collection opening (11) is collected, the chlorion vertical proliferation system determined under the water conservancy gradient is analyzed to filtrate
Number；
Telescope support (16) is highly adjusted to different numerical value in repeat step (1)～(5), and step (4), so as to obtain different water
Chlorion vertical proliferation coefficient under power gradient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611124436.7A CN106644835B (en) | 2016-12-08 | 2016-12-08 | The measurement device and method of chloride ion vertical proliferation coefficient under different hydraulic gradients |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611124436.7A CN106644835B (en) | 2016-12-08 | 2016-12-08 | The measurement device and method of chloride ion vertical proliferation coefficient under different hydraulic gradients |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106644835A true CN106644835A (en) | 2017-05-10 |
| CN106644835B CN106644835B (en) | 2019-10-18 |
Family
ID=58824033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611124436.7A Active CN106644835B (en) | 2016-12-08 | 2016-12-08 | The measurement device and method of chloride ion vertical proliferation coefficient under different hydraulic gradients |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644835B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192640A (en) * | 2017-07-12 | 2017-09-22 | 广西路桥工程集团有限公司 | Concrete soak test device |
| CN110501274A (en) * | 2019-08-28 | 2019-11-26 | 重庆大学 | A kind of test reinforcing bar-concrete interface chloride ion permeability device and the test method based on the device |
| CN113155701A (en) * | 2021-04-25 | 2021-07-23 | 温州大学 | Bentonite penetration-diffusion-expansive force combined test device and test method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6358396B1 (en) * | 2000-05-08 | 2002-03-19 | U. T. Battelle, Llc | Regeneration of anion exchange resins by catalyzed electrochemical reduction |
| CN1484013A (en) * | 2003-07-22 | 2004-03-24 | 河海大学岩土工程科学研究所 | Instrment for testing geotextile permeability and silting property |
| CN2919234Y (en) * | 2006-05-31 | 2007-07-04 | 中原工学院 | Water head adjusting and stabilizing device of earth working material vertical water permeability testing meter |
| CN2919235Y (en) * | 2006-05-31 | 2007-07-04 | 中原工学院 | Leakproof device of earth working material vertical water permeability testing meter |
| CN101865813A (en) * | 2010-06-09 | 2010-10-20 | 内蒙古自治区水利科学研究院 | Permeability coefficient determinator for geosynthetic clay liner (GCL) |
| CN201749072U (en) * | 2010-07-16 | 2011-02-16 | 沈阳大学 | Leaching device for transfer and conversion of pollutants in soil |
| CN103308438A (en) * | 2013-05-30 | 2013-09-18 | 长安大学 | Modular soil body permeability tester |
| CN103344538A (en) * | 2013-06-25 | 2013-10-09 | 西安科技大学 | Multifunctional unsaturated soil permeameter and testing method thereof |
| CN103424341A (en) * | 2013-08-08 | 2013-12-04 | 河海大学 | Simulator for transport of soil pollutant |
| CN204945001U (en) * | 2015-09-21 | 2016-01-06 | 河海大学 | A kind of test unit of lab simulation rainfall infiltration |
| CN105842128A (en) * | 2016-05-11 | 2016-08-10 | 东北农业大学 | Device for testing infiltration capacity of infiltration head to soil with different volume weights |
| CN106124386A (en) * | 2016-09-01 | 2016-11-16 | 中国地质大学（武汉） | A kind of undisturbed soil effecive porosity analyzer |
-
2016
- 2016-12-08 CN CN201611124436.7A patent/CN106644835B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6358396B1 (en) * | 2000-05-08 | 2002-03-19 | U. T. Battelle, Llc | Regeneration of anion exchange resins by catalyzed electrochemical reduction |
| CN1484013A (en) * | 2003-07-22 | 2004-03-24 | 河海大学岩土工程科学研究所 | Instrment for testing geotextile permeability and silting property |
| CN2919234Y (en) * | 2006-05-31 | 2007-07-04 | 中原工学院 | Water head adjusting and stabilizing device of earth working material vertical water permeability testing meter |
| CN2919235Y (en) * | 2006-05-31 | 2007-07-04 | 中原工学院 | Leakproof device of earth working material vertical water permeability testing meter |
| CN101865813A (en) * | 2010-06-09 | 2010-10-20 | 内蒙古自治区水利科学研究院 | Permeability coefficient determinator for geosynthetic clay liner (GCL) |
| CN201749072U (en) * | 2010-07-16 | 2011-02-16 | 沈阳大学 | Leaching device for transfer and conversion of pollutants in soil |
| CN103308438A (en) * | 2013-05-30 | 2013-09-18 | 长安大学 | Modular soil body permeability tester |
| CN103344538A (en) * | 2013-06-25 | 2013-10-09 | 西安科技大学 | Multifunctional unsaturated soil permeameter and testing method thereof |
| CN103424341A (en) * | 2013-08-08 | 2013-12-04 | 河海大学 | Simulator for transport of soil pollutant |
| CN204945001U (en) * | 2015-09-21 | 2016-01-06 | 河海大学 | A kind of test unit of lab simulation rainfall infiltration |
| CN105842128A (en) * | 2016-05-11 | 2016-08-10 | 东北农业大学 | Device for testing infiltration capacity of infiltration head to soil with different volume weights |
| CN106124386A (en) * | 2016-09-01 | 2016-11-16 | 中国地质大学（武汉） | A kind of undisturbed soil effecive porosity analyzer |
Non-Patent Citations (2)
| Title |
|---|
| 徐长节 等: "《土力学》", 31 August 2015, 中南大学出版社 * |
| 王成见 等: "《大沽河地下水库水质演化与风险分析》", 31 August 2014, 中国海洋大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192640A (en) * | 2017-07-12 | 2017-09-22 | 广西路桥工程集团有限公司 | Concrete soak test device |
| CN107192640B (en) * | 2017-07-12 | 2023-10-03 | 广西路桥工程集团有限公司 | Concrete soaking test device |
| CN110501274A (en) * | 2019-08-28 | 2019-11-26 | 重庆大学 | A kind of test reinforcing bar-concrete interface chloride ion permeability device and the test method based on the device |
| CN110501274B (en) * | 2019-08-28 | 2022-02-11 | 重庆大学 | Device for testing permeability of chloride ions at reinforcing steel bar-concrete interface and testing method based on device |
| CN113155701A (en) * | 2021-04-25 | 2021-07-23 | 温州大学 | Bentonite penetration-diffusion-expansive force combined test device and test method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106644835B (en) | 2019-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3220586U (en) | Equipment for measuring the hydraulic conductivity of various types of earth and sand | |
| CN205808669U (en) | The testing system apparatus of simulation complex condition deep tunnel inrush through faults | |
| CN103149143B (en) | Device for determining permeability coefficient of coarse-grained soil with super large grain size | |
| CN106769747B (en) | The experimental rig and its test method that soil body inflation resistance is seeped | |
| CN106197944A (en) | The testing system apparatus of simulation complex condition deep tunnel inrush through faults and method | |
| CN110681685A (en) | Polluted site soil-underground water integrated simulation restoration device and method | |
| CN105334142B (en) | A kind of experimental provision formed for simulating shield mud film | |
| CN106644835B (en) | The measurement device and method of chloride ion vertical proliferation coefficient under different hydraulic gradients | |
| CN108318396A (en) | The test method of Seepage Field of Tailings Dam analog simulation pilot system | |
| CN206223619U (en) | A kind of permeability coefficient of cement soil tester | |
| CN103592424A (en) | Physical model test apparatus for confined groundwater in bedding bank slope | |
| CN107436140A (en) | The settling column test instrument and test method that vacuum preloading and piling prepressing are combined | |
| CN104792945A (en) | Rockfill scouring simulation experiment device and experimental data acquisition method | |
| CN111878084B (en) | Rapid treatment method for controlling surface subsidence by using large-diameter shield construction in case of meeting stratum funnel | |
| CN106781962B (en) | A kind of heterogeneous isotropic aquifer seepage action of ground water rule simulation test device | |
| CN107741442A (en) | Islands and reefs fresh groundwater analogue means and method | |
| CN205301298U (en) | Slip casting analogue test device | |
| CN210995782U (en) | Contaminated site soil-groundwater integral type simulation prosthetic devices | |
| CN104318843B (en) | Artesian well water injection test device | |
| CN109406363A (en) | A kind of silting experimental provision of tailings material and its geotextile | |
| CN108426706A (en) | A kind of high hydraulic pressure area shield formula TBM Segments Design test-beds | |
| CN206532507U (en) | A kind of heterogeneous isotropic aquifer seepage action of ground water rule simulation testing instrument | |
| CN106970181B (en) | Drainage consolidation test device and method for grouting slurry behind wall in stratum | |
| CN115655981B (en) | Pollutant migration test system and method under flowing water and flowing water power alternation of submerged lake | |
| CN205262912U (en) | Experimental device for it constructs sludge -biofilm formation to be used for simulating shield |
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 |