CN104359800B - Detect that antiseepage curtain wall stops the laboratory testing rig of ion diffusion effect - Google Patents
Detect that antiseepage curtain wall stops the laboratory testing rig of ion diffusion effect Download PDFInfo
- Publication number
- CN104359800B CN104359800B CN201410581781.8A CN201410581781A CN104359800B CN 104359800 B CN104359800 B CN 104359800B CN 201410581781 A CN201410581781 A CN 201410581781A CN 104359800 B CN104359800 B CN 104359800B
- Authority
- CN
- China
- Prior art keywords
- curtain wall
- securities
- selling
- lucite
- antiseepage curtain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
Present invention detection antiseepage curtain wall stops that the laboratory testing rig of ion diffusion effect belongs to environmental civil engineering field, is that one kind is used in laboratory detect antiseepage curtain wall（Such as cement bentonite）Stop the experimental rig of contaminated ion migration effect.The device is rectangular box vanning body, three hole capitals after selling all securities are divided into by two pieces of curtain walls, hole capital after selling all securities is used to hold the contaminated ion solution manually prepared in the middle of wherein, both sides hole capital after selling all securities places the untainted pure land, and place eight blocks of lucite porous plates respectively in the hole capital after selling all securities of both sides, formed two-by-two and distilled water is placed in the groove that width is about 1cm, groove.By determining the concentration of contaminated ion contained by solution in groove, contaminated ion can be calculated by the diffusion coefficient of antiseepage curtain wall and the service life of antiseepage curtain wall, the effect for stopping Ion transfer to antiseepage curtain wall is estimated.
Description
Technical field
It is that one kind is used in laboratory detect antiseepage curtain wall the invention belongs to environmental civil engineering field（Such as cement
Bentonite）Stop the experimental rig of contaminated ion migration effect.
Background technology
At present, economy develops rapidly the environmental problem brought and increasingly highlighted, and the process problem of municipal refuse is also more and more
Cause the concern of people.For now, the processing method of house refuse mainly has stacking, landfill, burning, four kinds of compost,
Wherein landfill method is at home and abroad generally used because its processing cost is minimum, whole degree of polarization highest.Ground
Matter environment is as an important component for filling engineering, and the effect to garbage sanitary filling plays a crucial role.Many landfills
The failure of field, caused by effectively can not preventing the leaching of percolate due to landfill yard periphery or bottom rock-soil body more.Through investigation hair
Existing, most nature geological conditions are unsatisfactory for what the Ministry of Construction in 2013 promulgated《House refuse Sanitary Landfill Technology specification》In rule
It is fixed, " it is less than 1.0 when natural basal layer saturation permeability coefficient ×Thickness in cm/s, and field bottom and four wall liners is not less than 2m
When, natural clay class lining structure can be used ".Therefore, how to carry out seepage control measure, carry out the base that artificial antiseepage is sanitary landfills
Plinth, is also to prevent rubbish secondary pollution, the important step of protection of geological environment.
The difference in direction is laid according to landfill site seepage prevention facility, landfill site seepage prevention can be divided into vertical seepage control and level is prevented
Ooze.Horizontal leakage preventing refers to that impervious barrier horizontal direction is arranged, prevents the downward osmosis pollution underground water of percolate.Vertical seepage control is
Refer to impervious barrier to be vertically arranged, prevent percolate to infiltration of ambient polluted underground water, antiseepage curtain wall is the important form of vertical seepage control,
Cement grout, clay slurry or other chemical grouts are mainly used, will by irrigating press-in, high-pressure injection or mechanical agitation
Slurries and cementing get up, and improve the physical and mechanical properties of foundation soil, increase compactness, reach antiseepage purpose.But
Because it can not stop the diffusion mobility of ion completely, so needing to estimate breakdown time and the service life of antiseepage curtain wall.Expand
Although it is the most accurate that the measure for dissipating parameter tests determination at the scene, so doing can be time consuming, and a large amount of repetitions can not be done substantially
Experimental Comparison, and environment can be polluted, determined so being tested generally by laboratory model.Some existing models
With method all just for clay curtain wall, mainly pollutant is directed in experimental determination（Such as ion）In the expansion of clay curtain wall
Dissipate parameter（Such as diffusion coefficient）, minority is for soil cement isolation curtain wall, and curtain wall holds in itself in the making of curtain wall and specimen
Easily destroy（Such as produce crack）, and sampling and testing is also extremely difficult.
The content of the invention
According to the deficiencies of the prior art described above, It is an object of the present invention to provide one kind detection antiseepage curtain wall stops some
The rectangular box shape casing that lucite is made, is separated into by the laboratory testing rig of Ion transfer effect by two pieces of antiseepage curtain walls
Three hole capitals after selling all securities, middle hole capital after selling all securities places the contaminated ion solution manually prepared, and both sides hole capital after selling all securities places the untainted pure land.Pass through model
Test to obtain for parameters such as the diffusion coefficients of antiseepage curtain wall, contaminated site curtain is then estimated according to diffusion-dispersion equation
The breakdown time and service life of wall, and then the antiseepage curtain wall partition method of contaminated site can be evaluated and its stops ion diffusion
Effect etc..
The purpose of the present invention is realized and completed by following technical scheme：
A kind of to detect that antiseepage curtain wall stops the laboratory testing rig of ion diffusion effect, described device is rectangle, by box
Shape casing, antiseepage curtain wall and lucite porous plate composition, two pieces of antiseepage curtain walls are arranged vertically within box-shaped box, by box-like casing
Body is divided into three hole capitals after selling all securities, i.e., hole capital after selling all securities and the hole capital after selling all securities positioned at its both sides in the middle of one, the volume of the middle hole capital after selling all securities and two
Hole capital after selling all securities volume is equal, places eight blocks of lucite porous plates, eight pieces of lucite porous plate groups respectively in the hole capital after selling all securities of both sides
Cheng Si is to lucite porous plate, the gap location formation groove between each pair lucite porous plate, and the width of the groove is 0.8-
1.2cm；During operation, distilled water, both sides hole capital after selling all securities are placed in the groove constituted between each pair lucite porous plate of both sides hole capital after selling all securities
Remaining position place the untainted pure land, the contaminated ion solution manually prepared is placed in middle hole capital after selling all securities, according to the rules
The concentration of solution is measured by sampling in frequency out of groove.According to the data measured, ion diffusion parameter is calculated, and determine that satisfaction is necessarily set
Count the thickness of the antiseepage curtain wall under the time limit.
In the present invention, connect seamless between the side plate of the antiseepage curtain wall and rectangular box shape casing, bottom plate.
In the present invention, aperture is drilled with the lucite porous plate, the percent opening of the aperture reaches more than 40%.
In the present invention, the bottom plate and side plate of the box-shaped box use lucite, are easy to have from extraneous directly observation
The spread condition of color ion.
In the present invention, the hole site at the porous plate surrounding most edge that described and antiseepage curtain wall is bonded is away from edges of boards edge 2cm, it is ensured that
There are enough bond areas between lucite porous plate and antiseepage curtain wall.
The beneficial effects of the invention are as follows：Device is simple, practical, economic, makes simple, only with several pieces of poly (methyl methacrylate) plates
It is assembled into, and diffusion of the pollutant (such as ion) by two kinds of different antiseepage curtain walls can be determined simultaneously, and solves soil
The problem of middle sampling hardly possible.Because lucite is transparent, the diffusion mobility of some coloured ions can be directly observed from the outside
Situation.It is cheap, as long as the cost of hundreds of yuan or so of box like.In process of the test, only diffusion process is present, and does not ooze
The interference of stream, the diffusion coefficient measured is pure diffusion coefficient, relatively more accurate.
Brief description of the drawings
Fig. 1 is the test structure device that poly (methyl methacrylate) plate is made；
Fig. 2 is the schematic diagram after placement antiseepage curtain wall；
Fig. 3 is the plan of experimental rig；
Fig. 4 is the schematic diagram of lucite porous plate.
Label in figure：1 it is box-shaped box, 2 be antiseepage curtain wall, 3 is lucite porous plate.
Embodiment
This experimental provision and operation are described in further detail below in conjunction with accompanying drawing, in order to the reason of technical staff of the same trade
Solution：
Embodiment 1：
Fig. 1 is the test structure device that poly (methyl methacrylate) plate is made.Antiseepage curtain wall 2（Such as cement bentonite）Stop that ion expands
Scattered laboratory testing rig, mainly by length be 1.2 meters, wide 0.2 meter, high 0.4 meter rectangular box shape casing 1 be made, it is box-like
The side plate of casing 1 and 2 points of the antiseepage curtain wall that bottom plate is in poly (methyl methacrylate) plate, rectangular box shape casing 1 by two pieces of 1cm-3cm thickness
Three hole capitals after selling all securities are divided into, are respectively middle hole capital after selling all securities and the hole capital after selling all securities of side two, centre can place the contaminated ion solution manually prepared, two
The untainted pure land is placed on side, and simple in construction, the volume of middle hole capital after selling all securities is identical with two side hole capital after selling all securities volumes.Wherein, rectangular box
Connect seamless between shape box side, bottom plate, do not occur seepage.
Fig. 2 is the schematic diagram after the completion of antiseepage curtain wall is placed.This experiment uses prefabricated antiseepage curtain wall, is supported at it
Protect by 28 days, after after its dry tack free, the one side surrounding contacted with each other respectively in antiseepage curtain wall and many hollow plates coats silica gel, will be anti-
Ooze curtain wall to be attached on porous plate, and glue is carried out to surrounding side seam, with antiseep.
Fig. 3 is the plan of experimental rig, and institute's dimensioning unit is mm in figure.Wherein：Middle hole capital after selling all securities and the hole capital after selling all securities of both sides
A length of 400mm, a width of 200mm, the spacing between every block of lucite porous plate is 10mm, two pairs of lucite porous plates it
Between spacing be 30mm.
Fig. 4 is the schematic diagram of lucite porous plate, its porosity should up to more than 40%, outermost mother rib lateral rotundum to edges of boards edge away from
From for 2cm or so.
During experiment, in side, hole capital after selling all securities, which is placed, places distilled water in the untainted pure land, groove, place artificial in middle hole capital after selling all securities
The contaminated ion solution prepared, the concentration of solution is measured by sampling according to regulation frequency out of groove.According to the data measured, calculate
Ion diffusion parameter, and determine to meet the thickness of the antiseepage curtain wall under certain design period.
Claims (1)
1. a kind of detect that antiseepage curtain wall stops the laboratory testing rig of ion diffusion effect, described device is cuboid, by box-like
Casing, antiseepage curtain wall and lucite porous plate composition, it is characterised in that two pieces of antiseepage curtain walls are arranged vertically within box-shaped box,
Box-shaped box is divided into hole capital after selling all securities and the hole capital after selling all securities positioned at its both sides, the volume of the middle hole capital after selling all securities in the middle of three hole capitals after selling all securities, i.e., one
It is equal with the hole capital after selling all securities volume of both sides, place eight blocks of lucite porous plates, eight blocks of lucite respectively in the hole capital after selling all securities of both sides
Porous plate constitutes the gap location formation groove between four pairs of lucite porous plates, each pair lucite porous plate, the width of the groove
Spend for 0.8-1.2cm；Aperture is drilled with the lucite porous plate, the percent opening of the lucite porous plate reaches 40%
More than；The aperture position at the lucite porous plate surrounding most edge bonded with antiseepage curtain wall is away from lucite porous plate edge
2cm；The one side surrounding that the antiseepage curtain wall and the lucite porous plate are in contact scribbles silica gel, and the antiseepage curtain wall is attached to
On the lucite porous plate；During operation, placed in the groove constituted between each pair lucite porous plate of both sides hole capital after selling all securities
The untainted pure land is placed at distilled water, remaining position of both sides hole capital after selling all securities, placed in middle hole capital after selling all securities the pollution that manually prepares from
Sub- solution, the concentration of solution is measured by sampling according to regulation frequency out of groove, according to the data measured, calculates ion diffusion parameter,
And determine to meet the thickness of the antiseepage curtain wall under certain design period；The side plate of the antiseepage curtain wall and rectangular box casing,
Connected between bottom plate seamless；The bottom plate and side plate of the box-shaped box use lucite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581781.8A CN104359800B (en) | 2014-10-27 | 2014-10-27 | Detect that antiseepage curtain wall stops the laboratory testing rig of ion diffusion effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581781.8A CN104359800B (en) | 2014-10-27 | 2014-10-27 | Detect that antiseepage curtain wall stops the laboratory testing rig of ion diffusion effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104359800A CN104359800A (en) | 2015-02-18 |
| CN104359800B true CN104359800B (en) | 2017-07-28 |
Family
ID=52527083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410581781.8A Active CN104359800B (en) | 2014-10-27 | 2014-10-27 | Detect that antiseepage curtain wall stops the laboratory testing rig of ion diffusion effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104359800B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941674A (en) * | 2017-11-21 | 2018-04-20 | 查宇 | One kind builds curtain wall material water proofing property detection device |
| CN109900596A (en) * | 2019-02-14 | 2019-06-18 | 河海大学 | A kind of experimental provision for simulating Shallow Groundwater Pollution regulation effect |
| CN111157702B (en) * | 2020-01-03 | 2021-02-26 | 中南大学 | Heavy metal pollutant migration process and multistage resistance control model test device and method |
| CN111157406B (en) * | 2020-02-20 | 2021-04-27 | 中南大学 | Migration and barrier test system and method for non-aqueous phase liquid pollutants in underground water |
| CN113155701B (en) * | 2021-04-25 | 2022-11-08 | 温州大学 | Bentonite penetration-diffusion-expansive force combined test device and test method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1563942A (en) * | 2004-03-25 | 2005-01-12 | 同济大学 | Device and method of analyzing transfer parameter of liquid in saturated multiporous medium |
| CN101963571A (en) * | 2010-09-21 | 2011-02-02 | 同济大学 | Indoor detection method for treatment effect of cement soil barrier isolation method |
| CN103091214A (en) * | 2011-10-29 | 2013-05-08 | 成都理工大学 | Under-dam seepage flow experiment apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788552B (en) * | 2010-01-27 | 2012-11-07 | 北京师范大学 | Device and method for simulating migration and transformation of pollutants in freeze-thawing process of soil |
| CN103033460B (en) * | 2012-12-26 | 2015-11-25 | 上海交通大学 | The determinator of soil body horizontal osmotic coefficient and method thereof |
| CN103207212B (en) * | 2013-03-14 | 2014-12-17 | 东南大学 | Method for simulation of pollutant vertical isolation barrier |
| CN103837449B (en) * | 2014-01-13 | 2016-08-17 | 华东理工大学 | Volatile organic contaminant Transport And Transformation analog and application in subsoil water |
| CN104359799A (en) * | 2014-10-27 | 2015-02-18 | 同济大学 | Indoor test device for detecting effect of blocking ion diffusion by active seepage-proof barriers |
-
2014
- 2014-10-27 CN CN201410581781.8A patent/CN104359800B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1563942A (en) * | 2004-03-25 | 2005-01-12 | 同济大学 | Device and method of analyzing transfer parameter of liquid in saturated multiporous medium |
| CN101963571A (en) * | 2010-09-21 | 2011-02-02 | 同济大学 | Indoor detection method for treatment effect of cement soil barrier isolation method |
| CN103091214A (en) * | 2011-10-29 | 2013-05-08 | 成都理工大学 | Under-dam seepage flow experiment apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104359800A (en) | 2015-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104359800B (en) | Detect that antiseepage curtain wall stops the laboratory testing rig of ion diffusion effect | |
| CN104677664B (en) | The model test apparatus of shield tunnel floating mechanism | |
| CN108195723B (en) | Permeation grouting test system and method for reinforcing loose gravel soil | |
| CN103207212B (en) | Method for simulation of pollutant vertical isolation barrier | |
| Ng et al. | Gas breakthrough and emission through unsaturated compacted clay in landfill final cover | |
| CN102565139B (en) | Indoor vacuum electro-osmosis combined solidification tester | |
| CN102527702B (en) | Method for detecting pollutants generated by leakage of leachate in landfill and repairing polluted soil | |
| CN202433536U (en) | Physical model testing system for tunnel-penetrated ground crack zone | |
| CN101963571B (en) | Indoor detection method for treatment effect of cement soil barrier isolation method | |
| CN203949915U (en) | A kind of soil body penetration of studying destroys the multifunction test device developing | |
| CN104790338B (en) | Earth-rock combination part contact scour experimental method | |
| CN104569341A (en) | Vacuum preloading and electroosmosis combined testing device and vacuum preloading and electroosmosis combined testing method | |
| CN203824861U (en) | Testing device for studying seepage failure development of foundation pit soil | |
| CN203941160U (en) | Multi-functional indoor soil test device | |
| CN103760318A (en) | Bidirectional penetration model testing device suitable for soil-rock slopes | |
| CN109723025B (en) | Underground structure boundary seepage test device and using method thereof | |
| CN101963572B (en) | Laboratory testing rig for detecting treatment effect by cement soil barrier isolation method | |
| CN104359799A (en) | Indoor test device for detecting effect of blocking ion diffusion by active seepage-proof barriers | |
| CN203433731U (en) | Model for researching settlement of urban rail transit subway lines | |
| CN104831674B (en) | Contact scour testing apparatus for earth-rock joint part | |
| CN206638555U (en) | A kind of water permeability coefficient of water permeable brick test device simple to operate | |
| CN109556931A (en) | Soil cement cutting ring sample preparation facilities and permeability coefficient of cement soil measuring method, equipment | |
| CN212083426U (en) | Adjustable karst underground water and soil leakage simulator | |
| CN115096791A (en) | Indoor model test method and device for testing seepage-proofing and water-resisting performance of hydrophobic particles | |
| CN105258719B (en) | Many gap set medium tunnel seepage flow vegetation growth water method of testings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |