CN201732048U - Porous concrete water permeability testing instrument - Google Patents
Porous concrete water permeability testing instrument Download PDFInfo
- Publication number
- CN201732048U CN201732048U CN2010202104267U CN201020210426U CN201732048U CN 201732048 U CN201732048 U CN 201732048U CN 2010202104267 U CN2010202104267 U CN 2010202104267U CN 201020210426 U CN201020210426 U CN 201020210426U CN 201732048 U CN201732048 U CN 201732048U
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- Prior art keywords
- sleeve
- air bag
- sleeve barrel
- water permeability
- utility
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 230000035699 permeability Effects 0.000 title claims abstract description 12
- 239000004567 concrete Substances 0.000 title abstract description 7
- 239000011381 foam concrete Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 230000003204 osmotic effect Effects 0.000 abstract 1
- 238000004088 simulation Methods 0.000 abstract 1
- 239000011800 void material Substances 0.000 abstract 1
- 230000008595 infiltration Effects 0.000 description 5
- 238000001764 infiltration Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses a porous concrete water permeability testing instrument, which comprises a sleeve barrel and an air bag, wherein the sleeve barrel is used for placing test elements, and the air bag is positioned in the sleeve barrel, and is used for sealing the gap between a sealing test element and the sleeve barrel. The utility model has the technical scheme that through the parameter design of a ballast weight, a volume tube and a vibration platform, the simulation of the vibration work conditions in the field construction can be realized, so the thickness of the concrete, particularly the dry and hard concrete can be tested. Through the arrangement of the sealed air bag between the test element and the sleeve barrel, the utility model realizes the complete sealing between the test element and the barrel wall, a porous plate is arranged under the test element for reducing the water inlet water flow, a vacuum pump is connected on a sleeve head cover so that air bubbles in the sleeve barrel can be sufficiently removed, and in addition, a micro differential pressure meter is arranged on the wall of the sleeve barrel for precisely controlling the pressure, so the osmotic coefficient and the effective void ratio of materials can be simultaneously and precisely tested.
Description
Technical field
The utility model relates to concrete permeable performance test field, particularly a kind of cellular concrete water permeability analyzer.
Background technology
At present, the research of permeameter and use mainly concentrate on the mensuration of native infiltration coefficient.Also do not have one to overlap the permeameter of complete moulding and be used in the indoor infiltration coefficient technical elements of road mushy material.Mainly there is following problem in present instrument: 1, do not have effective seal between test specimen and the sleeve wall, adopt wax, latex and greasy filth etc. to seal mostly, water is easy to from slit flow mistake wherein, increase test error, and running program is loaded down with trivial details; 2, under the very little situation of the pressure differential between the piezometric tube, adopt common elementary errors to press instrumentation amount error bigger; 3, in carrying out the permeability test process, there is not effective method that the test specimen bubble is discharged, influence test findings.
The utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model is: how to realize the sealing fully between test specimen and the barrel, accurate differential pressure data is provided and the bubble in the instrument is fully got rid of.
(2) technical scheme
At the deficiencies in the prior art, the utility model provides a kind of cellular concrete water permeability analyzer, comprises being used to place the sleeve of test specimen, also comprising and be used for the gap between sealed test piece and the described sleeve by the air bag that is positioned at described sleeve.
Wherein, described air bag is a double-decker, and each layer is the cylinder-shaped thin wall shape.
Wherein, described air bag is made by film for rubber.
Wherein, also comprise little differential pressure gauge on the sleeve wall that is arranged at described sleeve.
Wherein, also comprise porous plate, it is positioned at described sleeve, and is positioned at described air bag below.
Wherein, also comprise socket cover and the vacuum pump that is connected with described socket cover.
(3) beneficial effect
The technical solution of the utility model is by having realized sealing fully between test specimen and the barrel in that pressure bladder is set between test specimen and the sleeve, porous plate is being set to reduce into the water current, to connect vacuum pump the bubble in the sleeve is fully got rid of below the test specimen pullover covering, and the accurate controlled pressure of little differential pressure gauge is set on sleeve wall, thereby can accurately measures the effective porosity of infiltration coefficient and material simultaneously.
Description of drawings
Fig. 1 is the structural representation of the analyzer of the utility model embodiment;
Fig. 2 is the structural representation of the air bag in the analyzer of the utility model embodiment.
Wherein: 1-water tank, 2-water inlet pipe, 3, the little differential pressure gauge of 4-, 5-beaker, 6-pressure tap, 7-socket cover, 8-porous plate, 9-rising pipe, 10-shaking table, 11-air bag, 12-valve, 13-sleeve, 14-charging connector, 15-run through the circular hole of sleeve wall.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the analyzer of the utility model embodiment comprises:
Water tank 1:, have one can make the water surface remain at conplane water tank 1 in order in process of the test, to remain constant head.Water tank adopts organic glass to make, and helps constantly observing water surface elevation, is convenient to control.
Sleeve 13: adopt the monoblock cast of sand mo(u)ld cast iron to form.Leakproofness, intensity are all fine.Because the test specimen diameter of this test institute moulding is 15cm, so sleeve diameter is fabricated to 20cm.
Socket cover 7: mainly play sealing and be connected effect.
Little differential pressure gauge 3,4: the technical parameter that dispatches from the factory will be strict with and control, and D.C. regulated power supply is strict, to reduce the test error that voltage instability brings.
Porous plate 8: be used for supporting test specimen and reduce into water water currents.
Air bag 11: the pressure that utilizes inflation to produce comes the space between sealed test piece wall and the sleeve wall, and anti-sealing passes through.Air bag uses the particular manufacturing craft manufacturing to form, and does not exist sidewall to leak.Air bag has particular manufacturing craft to make, and raw material is a film for rubber.
Vacuum pump (not shown): before in sleeve 13, advancing to discharge water, will vacuumize, reduce the CAB influence in the hole to it.
Connecting pipe: need three kinds of connecting pipes (comprising water inlet pipe 2 and rising pipe 9).A kind ofly be used for connecting water tank 1 and sleeve 13, adopt plexi-glass tubular, help the transmission of pressure, reduce the pressure loss; A kind of coupling sleeve and little differential pressure gauge of being used for adopts rubber tube, and internal diameter is greater than 10mm, helps the transmission of pressure, reduces the pressure loss; A kind of coupling sleeve and vacuum pump of being used for adopts to vacuumize the special-purpose pipeline that can bear certain negative pressure.
Among Fig. 1,5 is that beaker, 6 is that pressure tap, 10 is that shaking table, 12 is valve; Among Fig. 2, charging connector 14 and the circular hole 15 that runs through sleeve wall are arranged on the air bag.
The concrete operations step of measuring effective drainage porosity with above-mentioned analyzer is as follows:
(1) preliminary work: check whether various elements and instrument connect, guarantee the leakproofness of total system;
(2) to the water tank water filling to constant position and keep constant head;
(3) the weigh with scale weight of test specimen is with the height of vernier caliper measurement test specimen;
(4) test specimen is put into sleeve, then the socket cover fixing seal;
(5) open the vacuum pump evacuating valve, close other all valves, start vacuum pump sleeve is vacuumized;
(6) vacuumize finish after, close evacuating valve, open inlet valve, treat that test specimen is fully intake after, open flowing water Valve, the weight of test specimen in water weighs with scale;
The concrete operations step of measuring infiltration coefficient with above-mentioned analyzer is as follows:
(1) preliminary work: check whether various elements and instrument connect, guarantee the leakproofness of total system;
(2) to the water tank water filling to constant position and keep constant head;
(3) air bag fixedly is placed in the test specimen sleeve, puts into test specimen, to certain air pressure, use the socket cover fixing seal then to airbag aeration;
(4) open the vacuum pump evacuating valve, close other all valves, start vacuum pump sleeve is vacuumized;
(5) vacuumize finish after, close evacuating valve, open inlet valve, treat that test specimen is fully intake after, open flowing water Valve, allow test specimen be in the infiltration state;
(6) wait for a few minutes, treat waterflow stabilization after, regulate inlet valve, read and write down little differential pressure gauge reading;
(7) access water and the timing that seepage flow goes out at water delivering orifice with container, weigh with scale record data then;
(8) measure the temperature of water, and keep a record;
(9) repeating step (6), (7), (8) are totally 4 times, read and write down test figure;
(10) battery of tests finishes, and takes out test specimen according to opposite program, changes new test specimen and carries out the next round test.
Above embodiment only is used to illustrate the utility model; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (6)
1. a cellular concrete water permeability analyzer comprises the sleeve (13) that is used to place test specimen, it is characterized in that, also comprises the air bag (11) that is positioned at described sleeve, is used for the gap between sealed test piece and the described sleeve (13).
2. cellular concrete water permeability analyzer as claimed in claim 1 is characterized in that described air bag (11) is a double-decker, and each layer is the cylinder-shaped thin wall shape.
3. cellular concrete water permeability analyzer as claimed in claim 1 is characterized in that described air bag (11) is made by film for rubber.
4. cellular concrete water permeability analyzer as claimed in claim 1 is characterized in that, also comprises the little differential pressure gauge (3,4) on the sleeve wall that is arranged at described sleeve (13).
5. cellular concrete water permeability analyzer as claimed in claim 1 is characterized in that, also comprises porous plate (8), and it is positioned at described sleeve (13), and is positioned at described air bag (11) below.
6. as each described cellular concrete water permeability analyzer of claim 1～5, it is characterized in that, also comprise socket cover (7) and the vacuum pump that is connected with described socket cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202104267U CN201732048U (en) | 2010-06-01 | 2010-06-01 | Porous concrete water permeability testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202104267U CN201732048U (en) | 2010-06-01 | 2010-06-01 | Porous concrete water permeability testing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201732048U true CN201732048U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202104267U Expired - Fee Related CN201732048U (en) | 2010-06-01 | 2010-06-01 | Porous concrete water permeability testing instrument |
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| CN (1) | CN201732048U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636425A (en) * | 2012-04-27 | 2012-08-15 | 中国矿业大学 | Portable multifunctional rock-soil body seepage experiment table |
| CN103424345A (en) * | 2013-07-31 | 2013-12-04 | 广州市香港科大霍英东研究院 | System for active control of transporting mode of water in porous medium |
| CN105424579A (en) * | 2015-12-02 | 2016-03-23 | 中国地质大学（武汉） | Static analog device and method for mud cake of coal-bed gas well |
| CN105973782A (en) * | 2016-05-25 | 2016-09-28 | 长安大学 | Determination instrument and determination method for osmotic coefficients of drilling and coring test part |
| CN107991211A (en) * | 2017-10-20 | 2018-05-04 | 四川大学 | A kind of irregular sample coefficient of permeability tester of difference hydraulic condition and test method |
| CN108507929A (en) * | 2018-05-15 | 2018-09-07 | 江南大学 | The pervious concrete pervasion test device and its test method of level pressure gas-flow closure |
| CN108717038A (en) * | 2018-05-23 | 2018-10-30 | 中国建筑材料科学研究总院有限公司 | A kind of agent on crack resistance of concrete gas permeability experimental rig and method |
| CN108801874A (en) * | 2018-05-15 | 2018-11-13 | 江南大学 | A permeable concrete penetration testing device and testing method thereof |
| CN109900622A (en) * | 2019-03-25 | 2019-06-18 | 山西大学 | A kind of powdered mineral floatability analyzer |
| CN110018099A (en) * | 2019-04-10 | 2019-07-16 | 三峡大学 | A kind of soft rock saturation experimental rig and test method |
| CN110487699A (en) * | 2019-08-23 | 2019-11-22 | 淮阴工学院 | A kind of experimental rig and test method of pervious concrete infiltration coefficient |
| CN110553973A (en) * | 2019-10-09 | 2019-12-10 | 中国地质科学院地质力学研究所 | Pore pressure measuring device and measuring system |
| CN112730199A (en) * | 2021-02-01 | 2021-04-30 | 温州市市政工程建设开发公司 | Water permeability detection device and method for permeable asphalt concrete |
| CN114324104A (en) * | 2021-12-17 | 2022-04-12 | 中铁建新疆京新高速公路有限公司 | Cement concrete coefficient of permeability test experimental apparatus |
| CN116420585A (en) * | 2023-05-11 | 2023-07-14 | 西藏自治区高原生物研究所 | Ecological environment-friendly orchid culture medium preparation auxiliary device |
-
2010
- 2010-06-01 CN CN2010202104267U patent/CN201732048U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636425A (en) * | 2012-04-27 | 2012-08-15 | 中国矿业大学 | Portable multifunctional rock-soil body seepage experiment table |
| CN103424345A (en) * | 2013-07-31 | 2013-12-04 | 广州市香港科大霍英东研究院 | System for active control of transporting mode of water in porous medium |
| CN103424345B (en) * | 2013-07-31 | 2016-06-22 | 广州市香港科大霍英东研究院 | Actively control water system of Migration mark in porous media |
| CN105424579A (en) * | 2015-12-02 | 2016-03-23 | 中国地质大学（武汉） | Static analog device and method for mud cake of coal-bed gas well |
| CN105973782A (en) * | 2016-05-25 | 2016-09-28 | 长安大学 | Determination instrument and determination method for osmotic coefficients of drilling and coring test part |
| CN107991211A (en) * | 2017-10-20 | 2018-05-04 | 四川大学 | A kind of irregular sample coefficient of permeability tester of difference hydraulic condition and test method |
| CN108507929A (en) * | 2018-05-15 | 2018-09-07 | 江南大学 | The pervious concrete pervasion test device and its test method of level pressure gas-flow closure |
| CN108801874A (en) * | 2018-05-15 | 2018-11-13 | 江南大学 | A permeable concrete penetration testing device and testing method thereof |
| CN108717038A (en) * | 2018-05-23 | 2018-10-30 | 中国建筑材料科学研究总院有限公司 | A kind of agent on crack resistance of concrete gas permeability experimental rig and method |
| CN108717038B (en) * | 2018-05-23 | 2023-11-24 | 中国建筑材料科学研究总院有限公司 | A kind of concrete gas permeability resistance test device |
| CN109900622B (en) * | 2019-03-25 | 2021-09-28 | 山西大学 | Powder mineral floatability analyzer |
| CN109900622A (en) * | 2019-03-25 | 2019-06-18 | 山西大学 | A kind of powdered mineral floatability analyzer |
| CN110018099A (en) * | 2019-04-10 | 2019-07-16 | 三峡大学 | A kind of soft rock saturation experimental rig and test method |
| CN110487699B (en) * | 2019-08-23 | 2022-03-22 | 淮阴工学院 | Testing device and testing method for permeability coefficient of pervious concrete |
| CN110487699A (en) * | 2019-08-23 | 2019-11-22 | 淮阴工学院 | A kind of experimental rig and test method of pervious concrete infiltration coefficient |
| CN110553973A (en) * | 2019-10-09 | 2019-12-10 | 中国地质科学院地质力学研究所 | Pore pressure measuring device and measuring system |
| CN110553973B (en) * | 2019-10-09 | 2024-06-07 | 中国地质科学院地质力学研究所 | Pore pressure measuring device and pore pressure measuring system |
| CN112730199A (en) * | 2021-02-01 | 2021-04-30 | 温州市市政工程建设开发公司 | Water permeability detection device and method for permeable asphalt concrete |
| CN114324104A (en) * | 2021-12-17 | 2022-04-12 | 中铁建新疆京新高速公路有限公司 | Cement concrete coefficient of permeability test experimental apparatus |
| CN114324104B (en) * | 2021-12-17 | 2023-10-03 | 中铁建新疆京新高速公路有限公司 | Cement concrete coefficient of permeability test experimental apparatus |
| CN116420585A (en) * | 2023-05-11 | 2023-07-14 | 西藏自治区高原生物研究所 | Ecological environment-friendly orchid culture medium preparation auxiliary device |
| CN116420585B (en) * | 2023-05-11 | 2023-09-15 | 西藏自治区高原生物研究所 | Ecological environment-friendly orchid culture medium preparation auxiliary device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XINJIANG BEIXIN ROAD + BRIDGE GROUP CO., LTD. Free format text: FORMER NAME: XINJIANG BEIXIN ROAD + BRIDGE CONSTRUCTION CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 830011, A, block 16-17, Pacific Plaza, 217 hi tech street, the Xinjiang Uygur Autonomous Region hi tech Zone, Urumqi Patentee after: Xinjiang Beixin Road & Bridge Group Co., Ltd. Address before: 830011, the Xinjiang Uygur Autonomous Region Urumqi hi tech Zone, 217 hi tech street, Pacific Century Plaza, A block, 16 storey construction management department Patentee before: Xinjiang Beixin Road & Bridge Construction Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20190601 |
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| CF01 | Termination of patent right due to non-payment of annual fee |