CN102507331A - Geomembrane gas inflation test device - Google Patents
Geomembrane gas inflation test device Download PDFInfo
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- CN102507331A CN102507331A CN2011103114373A CN201110311437A CN102507331A CN 102507331 A CN102507331 A CN 102507331A CN 2011103114373 A CN2011103114373 A CN 2011103114373A CN 201110311437 A CN201110311437 A CN 201110311437A CN 102507331 A CN102507331 A CN 102507331A
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Abstract
The invention discloses a geomembrane gas inflation test device, belonging to the field of hydraulic engineering. The geomembrane gas inflation test device comprises an on-geomembrane equipment container and a below-geomembrane equipment container communicated with the on-geomembrane equipment container, wherein a geomembrane body material to be tested is located between the on-geomembrane equipment container and the below-geomembrane equipment container and used for separating a channel, the on-geomembrane equipment container internally stores upper media for simulating an on-geomembrane environment, the below-geomembrane equipment container is filled with lower media for simulating a below-geomembrane environment, and the bottom of the on-geomembrane equipment container is provided with a first pipe valve interface communicated with a testing system and a second pipe valve interface communicated with a test water source supply device; the bottom of the below-geomembrane equipment container is provided with a third pipe valve interface communicated with the testing system and a fourth pipe valve interface communicated with a drainage system; and a top cover is provided with an air exhaust or water drainage valve. The geomembrane gas inflation test device can be used for conveniently carrying out a membrane material gas inflation destructive test, a membrane material air permeability test and penetration tests before and after membrane material gas inflation destruction.
Description
Technical field
The present invention relates to a kind of level shop, hydraulic engineering field film seepage control project testing equipment, particularly a kind of geomembrane inflatable test unit of being used for.
Background technology
In order to solve the problem that the part plains region does not have regulating reservoir, China need build large quantities of Wall in Plain Reservoir engineering of regulating and storing.In Wall in Plain Reservoir was built, reservoir seepage-proofing was a key technical problem of building Wall in Plain Reservoir.In Wall in Plain Reservoir antiseepage design, Wall in Plain Reservoir relatively poor for geologic condition, that lack desirable aquiclude need be considered storehouse dish antiseepage scheme, i.e. reservoir bottom integrated horizontal leakage preventing.In the antiseepage of Ku Panpu film, consider economic factors, first-selected geomembrane anti-seepage.In the antiseepage of geomembrane storehouse dish, under the film in the unsaturated soil gas can cause that the film body inflatable destroys, cause reservoir to leak, influence the normal operation of reservoir.
Therefore carry out film body material inflatable failure test, the test of film body material gas penetration potential, and film body material inflatable destroys forward and backward permeability test and have important practical significance, also do not have such specialized equipment at present.
Summary of the invention
The purpose of this invention is to provide a kind of geomembrane inflatable test unit; In the film seepage control project of hydraulic engineering field level shop; It can carry out film body material inflatable failure test, the test of film body material gas penetration potential, and film body material inflatable is destroyed forward and backward permeability test.
The technical solution adopted for the present invention to solve the technical problems is: this kind geomembrane inflatable test unit; It is characterized in that; Comprise equipment container under the film of equipment container on the film of being with top cover and band base; Be connected between the two and the passage that connects is arranged; Die body material to be tested under equipment container on the film and the film between the equipment container and the passage between with the two separate; The last medium that has environment on the analogue membrane on the described film in the equipment container fills up the following medium of environment under the analogue membrane in the equipment container under the described film, the equipment container bottom is provided with first pipe valve interface that is connected with test macro and the second pipe valve interface that is communicated with test water source feedway on the described film; The equipment container bottom is provided with the 3rd pipe valve interface that is connected with test macro and the 4th pipe valve interface that is communicated with unwatering system under the described film; An exhaust or water discharging valve are installed in equipment container top cover middle part on the described film.
Described test water source feedway is a liftable water tank of voltage regulation, and it comprises liftable water tank, is arranged on water inlet control valve door and overflow vent on the water tank, is connected through flexible pipe between water tank and the second pipe valve interface.
The invention has the beneficial effects as follows that this kind device can carry out film body material inflatable failure test, the test of film body material gas penetration potential easily, and film body material inflatable is destroyed forward and backward permeability test in the film seepage control project of shop, hydraulic engineering field; For hydraulic engineering antiseepage construction, guarantee is provided.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a vertical cross section synoptic diagram of the present invention.
Among the figure, 1 film body material, equipment container on 2 films, 3 top covers, equipment container under 4 films; 5 bases, 6 water tank of voltage regulation, 7 first flanges, 8 second flanges; 9 first pipe valve interfaces, 10 second pipe valve interfaces, 11 the 3rd flanges, 12 the 3rd pipe valve interfaces; 13 flexible pipes, 14 overflow vents, 15 water inlet control valve doors, 16 the 4th pipe valve interfaces.
Embodiment
In Fig. 1, this kind geomembrane inflatable test unit comprises equipment container 4 under the film of equipment container on the film of being with top cover 32 and band base 5, is connected between the two and the passage that connects is arranged.
Described test water source feedway is a liftable water tank of voltage regulation 6, and it comprises liftable water tank, is arranged on water inlet control valve door 15 and overflow vent 14 on the water tank, is connected through flexible pipe 13 between water tank and the second pipe valve interface 10.Water tank is arranged on the jacking equipment, can rise as required or descend, and is used to the water source with stable head that provides test required.
Described testing apparatus is an external; Link to each other with the 3rd pipe valve interface 12 through the first pipe valve interface 9; It is by piezometric tube, ventage piezometer, hole barometer, water yield measuring instrument, surveillance equipment; Compositions such as observation platform are used to obtain under the film or required test figure on the film, like the pore air pressure and the pore water pressure of inside soil body; Film body material top head, film body material bottom head, the water yield, and the camera monitoring system (comprising the underwater camera monitoring system) that is used for the observation experiment phenomenon.
Wall in Plain Reservoir inflatable test procedure:
One, film body material inflatable failure test, film body material gas penetration potential testing procedure
The first step: will test soil sample and pack under the film in the equipment container 4, dress soil height flushes with the 3rd flange 11;
Second step: film body material 1 is put on the 3rd flange 11, between film body material 1 and the 3rd flange 11, is provided with encapsulant;
The 3rd step: equipment container on the film 2 is lifted under the film on the equipment container 4, and second flange 8 of equipment container 2 is pressed under film body material 1 and the film on the equipment container, second flange 8, film body material 1 and the 3rd flange 11 are fixed together with bolt;
The 3rd step: the water tank 6 of water tank of voltage regulation on the film is fixed on suitably high position, and water tank is connected on the second pipe valve interface 10 with flexible pipe;
The 4th step: install into, unwatering system, water inlet pipe connects the water inlet control valve door 15 of water tank of voltage regulation on the film, run in the 4th pipe valve interface 16 of water system of rising pipe;
The 5th step: testing apparatus is linked to each other with this device with the 3rd pipe valve interface 12 through the first pipe valve interface 9;
The 6th step: arrange monitoring equipment, with record experimental phenomena and test figure;
The 7th step: through water inlet pipe water is sent in the water tank, the inflatable test observation begins, hydraulic pressure in the equipment container 2 on the recording film, and through monitoring equipment viewing test phenomenon, record testing experiment equipment; In process of the test, can the gas in the equipment container on the film 2 be discharged through exhaust or water discharging valve on the equipment container top cover 3 on the film.
The 8th step: continue to carry out the inflatable test, produce inflatable until film body material 1 and destroy; As inflatable destruction is not taken place, keep the certain hour test, off-test.
Two, film body material gas penetration potential testing procedure
The test of film body material gas penetration potential is with film body material inflatable failure test, and difference just adopts fixation pressure to carry out the inflatable test, does not destroy but inflatable does not take place.
Three, film body material inflatable is destroyed forward and backward permeability test step
Film body material inflatable is destroyed forward and backward permeability test and the difference of film body material inflatable failure test is: when carrying out permeability test; Open run in the 4th pipe valve interface 16 of water system of rising pipe; Form infiltration lane,, adopt fixedly head method or variable water level method with reference to the method for geotechnological seepage tests; Measure water percolating capacity, calculation permeability coefficient.
Claims (2)
1. geomembrane inflatable test unit; It is characterized in that; Comprise equipment container under the film of equipment container on the film of being with top cover and band base; Be connected between the two and the passage that connects arranged, die body material to be tested under equipment container on the film and the film between the equipment container and the passage between with the two separate, have the last medium of environment on the analogue membrane on the described film in the equipment container; Fill up the following medium of environment under the analogue membrane under the described film in the equipment container, the equipment container bottom is provided with first pipe valve interface that is connected with test macro and the second pipe valve interface that is communicated with test water source feedway on the described film; The equipment container bottom is provided with the 3rd pipe valve interface that is connected with test macro and the 4th pipe valve interface that is communicated with unwatering system under the described film; An exhaust or water discharging valve are installed in equipment container top cover middle part on the described film.
2. geomembrane inflatable test unit according to claim 1; It is characterized in that; Described test water source feedway is a liftable water tank of voltage regulation; It comprises liftable water tank, is arranged on water inlet control valve door and overflow vent on the water tank, is connected through flexible pipe between water tank and the second pipe valve interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110311437 CN102507331B (en) | 2011-10-14 | 2011-10-14 | Geomembrane gas inflation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110311437 CN102507331B (en) | 2011-10-14 | 2011-10-14 | Geomembrane gas inflation test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102507331A true CN102507331A (en) | 2012-06-20 |
| CN102507331B CN102507331B (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110311437 Expired - Fee Related CN102507331B (en) | 2011-10-14 | 2011-10-14 | Geomembrane gas inflation test device |
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| CN (1) | CN102507331B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983553A (en) * | 2014-05-29 | 2014-08-13 | 核工业北京地质研究院 | Device capable of achieving automatic continuous water intaking for penetration test |
| CN105588762A (en) * | 2014-11-05 | 2016-05-18 | 济南大学 | Geomembrane bloating deformation mechanical test apparatus with laser ranging |
| CN105588763A (en) * | 2014-11-05 | 2016-05-18 | 济南大学 | Geomembrane bloating deformation mechanical test device with electronic ruler for measuring distance |
| CN105628502A (en) * | 2014-11-05 | 2016-06-01 | 济南大学 | Geomembrane gas inflation deformation mechanics test device |
| CN106018109A (en) * | 2016-06-29 | 2016-10-12 | 济南大学 | Continuous stable pressurization type geomembrane liquid expansion deformation mechanical testing device |
| CN107655760A (en) * | 2017-09-28 | 2018-02-02 | 水利部交通运输部国家能源局南京水利科学研究院 | Geomembrane bursting simulation test device and test method on particle bed course |
| CN108918275A (en) * | 2018-04-18 | 2018-11-30 | 河海大学 | Simulate the experimental rig and method of high earth and rockfill dam water storage process geomembrane work condition |
| CN109781524A (en) * | 2018-12-29 | 2019-05-21 | 河海大学 | A method of geomembrane local compression destroys when anticipation up-protective layer construction |
| CN111504794A (en) * | 2020-04-25 | 2020-08-07 | 天纺标(上海)检测科技有限公司 | Fabric bursting strength appearance |
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| CN2779385Y (en) * | 2004-05-14 | 2006-05-10 | 中国科学院上海应用物理研究所 | Test unit for special-purpose filter membrane for membrane bioreactor |
| CN101566552A (en) * | 2009-06-09 | 2009-10-28 | 西南交通大学 | Anti-penetration performance testing device for waterproof membrane |
| CN101650286A (en) * | 2009-08-26 | 2010-02-17 | 中冶集团武汉勘察研究院有限公司 | Bedding coefficient testing method |
| CN101769849A (en) * | 2009-01-05 | 2010-07-07 | 王利兵 | Device for detecting transmissivity of organic matter through plastic film |
| CN202256065U (en) * | 2011-10-14 | 2012-05-30 | 济南大学 | Geomembrane inflatable test device |
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2011
- 2011-10-14 CN CN 201110311437 patent/CN102507331B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779385Y (en) * | 2004-05-14 | 2006-05-10 | 中国科学院上海应用物理研究所 | Test unit for special-purpose filter membrane for membrane bioreactor |
| CN101769849A (en) * | 2009-01-05 | 2010-07-07 | 王利兵 | Device for detecting transmissivity of organic matter through plastic film |
| CN101566552A (en) * | 2009-06-09 | 2009-10-28 | 西南交通大学 | Anti-penetration performance testing device for waterproof membrane |
| CN101650286A (en) * | 2009-08-26 | 2010-02-17 | 中冶集团武汉勘察研究院有限公司 | Bedding coefficient testing method |
| CN202256065U (en) * | 2011-10-14 | 2012-05-30 | 济南大学 | Geomembrane inflatable test device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983553A (en) * | 2014-05-29 | 2014-08-13 | 核工业北京地质研究院 | Device capable of achieving automatic continuous water intaking for penetration test |
| CN105588762A (en) * | 2014-11-05 | 2016-05-18 | 济南大学 | Geomembrane bloating deformation mechanical test apparatus with laser ranging |
| CN105588763A (en) * | 2014-11-05 | 2016-05-18 | 济南大学 | Geomembrane bloating deformation mechanical test device with electronic ruler for measuring distance |
| CN105628502A (en) * | 2014-11-05 | 2016-06-01 | 济南大学 | Geomembrane gas inflation deformation mechanics test device |
| CN106018109A (en) * | 2016-06-29 | 2016-10-12 | 济南大学 | Continuous stable pressurization type geomembrane liquid expansion deformation mechanical testing device |
| CN106018109B (en) * | 2016-06-29 | 2019-05-03 | 济南大学 | A kind of continual and steady adding pressure type geotechnique film liquid bulging deformation mechanical testing equipment |
| CN107655760A (en) * | 2017-09-28 | 2018-02-02 | 水利部交通运输部国家能源局南京水利科学研究院 | Geomembrane bursting simulation test device and test method on particle bed course |
| CN107655760B (en) * | 2017-09-28 | 2020-04-03 | 水利部交通运输部国家能源局南京水利科学研究院 | Geomembrane bursting simulation test device and test method on particle cushion layer |
| CN108918275A (en) * | 2018-04-18 | 2018-11-30 | 河海大学 | Simulate the experimental rig and method of high earth and rockfill dam water storage process geomembrane work condition |
| CN109781524A (en) * | 2018-12-29 | 2019-05-21 | 河海大学 | A method of geomembrane local compression destroys when anticipation up-protective layer construction |
| CN109781524B (en) * | 2018-12-29 | 2020-02-18 | 河海大学 | Method for prejudging local compressive damage of geomembrane during upper protective layer construction |
| CN111504794A (en) * | 2020-04-25 | 2020-08-07 | 天纺标(上海)检测科技有限公司 | Fabric bursting strength appearance |
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| CN102507331B (en) | 2013-05-15 |
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Granted publication date: 20130515 Termination date: 20131014 |