CN104535469A - Concrete automatic pressure-regulating anti-permeability detection apparatus and testing method thereof - Google Patents
Concrete automatic pressure-regulating anti-permeability detection apparatus and testing method thereof Download PDFInfo
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- CN104535469A CN104535469A CN201410711956.2A CN201410711956A CN104535469A CN 104535469 A CN104535469 A CN 104535469A CN 201410711956 A CN201410711956 A CN 201410711956A CN 104535469 A CN104535469 A CN 104535469A
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Abstract
The invention discloses a concrete automatic pressure-regulating anti-permeability detection apparatus and a testing method thereof, the concrete automatic pressure-regulating anti-permeability detection apparatus comprises several test dies, a control apparatus and a water supply device, a total valve and several water seepage valves are controlled and connected to the control apparatus, the test die comprises a cover die and a bottom die, the cover die is arranged on the bottom die through cooperation, the water seepage apertures are arranged on the bottom die, the bottom die is arranged on the control apparatus, the total valve is respectively connected to several water seepage valves and the water supply device, and the water seepage valve and the water seepage hole are connected. The testing method comprises the following steps: watering, testing the die, testing the pressure, testing, and calculating impermeability grade. Through the above mode, the concrete automatic pressure-regulating anti-permeability detection apparatus and the testing method can automatically complete anti-permeability detection of a concrete test piece, and efficiency and precision of the concrete water seepage tests can be obviously increased.
Description
Technical field
The present invention relates to concrete impervious field, particularly relate to the impervious pick-up unit of a kind of concrete automatic Regulation and method of testing thereof.
Background technology
Along with expanding economy, underground works is as subway, tunnel etc., and because of its advantage such as convenient, fast, become the important means promoting city function, solve Modern City Traffic problem, its construction quality also becomes the focus of people's growing interest.Due to the long-term impact of soil and underground water, macroscopic fracture or the Seepage of structure will be caused, cause the destruction of engineering structure, even the major accidents such as leakage pollution occur.Therefore, when designing concrete mix, durability Design is a very important index.The corrosion of concrete material is produce under the condition having water and harmful ion to invade mostly, concrete durability and perviousness have close contacting, and formulate and truly can reflect the impermeability test method for concrete of engineering reality, for Engineering Quality Control and safe operation particularly important.
Along with the widespread use of high performance concrete in engineering, testing laboratory's impervious detection portfolio is growing, and original method for testing concrete impermeability, because of complex operation, revision test difficulty, the low development that can not meet situation of efficiency, therefore under the prerequisite meeting standard criterion, the impervious pick-up unit of invention concrete automatic Regulation and method of testing thereof, object is that concrete sample anti-permeability performance detects and can automatically completes, and significantly improves efficiency and the precision of concrete water-permeating test.
Summary of the invention
The technical matters that the present invention mainly solves is to provide the impervious pick-up unit of a kind of concrete automatic Regulation and method of testing thereof, automatically can complete concrete sample anti-permeability performance and detect, and significantly improves efficiency and the precision of concrete water-permeating test.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of concrete automatic Regulation impervious pick-up unit, comprise: multiple die trial, control device and water supply installation, on described control device, control linkage has total valve and multiple infiltration valve, described die trial comprises cover die and bed die, described cover die cooperation is arranged on bed die, described bed die is provided with water seepage hole, described bed die is arranged on control device, described total valve is connected with water supply installation with multiple infiltration valve respectively, and described infiltration valve is connected with water seepage hole.
In a preferred embodiment of the present invention, described bed die is provided with multiple cylindrical projection, described cover die offers multiple through hole, and through hole matches with cylindrical projection, installs concrete sample between described bed die and cover die.
In a preferred embodiment of the present invention, described bed die is provided with O-ring seal, described O-ring seal is arranged at the inner side of multiple cylindrical projection.
In a preferred embodiment of the present invention, the quantity of described cylindrical projection and through hole is 6, and the xsect of described bed die and cover die is circle.
In a preferred embodiment of the present invention, described water seepage hole is positioned at bed die center, and the quantity of described die trial and infiltration valve is 6.
In a preferred embodiment of the present invention, described water supply installation comprises changeable water supply controller and water tank, is provided with high-pressure pump between described changeable water supply controller and water tank, and described water tank is connected with total valve by pipeline.
For solving the problems of the technologies described above, another technical solution used in the present invention is: the method for testing providing the impervious pick-up unit of a kind of concrete automatic Regulation, comprise the following steps: a. pours water: nut water filling chewed is backed out, and total valve is opened, funnel is placed in water filling chew, pour water in water tank and treat that it is filled, and be also full of water by bed die, now at closedown infiltration valve; B. die trial: be positioned over by bed die on control device, is positioned over concrete sample in cover die; Whether c. pressure testing: setting pressure testing hydraulic pressure lower limit, treat water pressure invariableness certain hour, observe concrete sample periphery and seep water, reseal if any infiltration; As without infiltration, again adjust setting hydraulic pressure value, total valve is opened, is reduced to after below setting value until hydraulic pressure and again closes total valve; D. test: hydraulic pressure, from 0.1MPa, increases 0.1MPa every 8h, and observe test specimen end face infiltration situation at any time; When there being the infiltration of 3 concrete samples surface in 6 concrete samples, or when adding to authorised pressure in 6 test specimens, surface infiltration is less than 3 in 8h, namely stopping test, and record now water pressure; E. calculate seepage-resistant grade: with often organize in 6 concrete samples have 4 not occur maximum water pressure when seeping water is multiplied by 10 and determines; Computing formula is as follows: P=10H-1, and wherein P is concrete impervious grade, and H is water pressure when having 3 test specimen infiltrations in 6 test specimens.
In a preferred embodiment of the present invention, the hydraulic pressure lower limit in described step c is 0.4 MPa, and Time constant is 10 minutes.
The invention has the beneficial effects as follows: the impervious pick-up unit of concrete automatic Regulation of the present invention and method of testing thereof, automatically can complete concrete sample anti-permeability performance and detect, significantly improve efficiency and the precision of concrete water-permeating test.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of concrete automatic Regulation of the present invention impervious pick-up unit one preferred embodiment;
Fig. 2 is the partial structurtes schematic diagram of the impervious pick-up unit of the automatic Regulation of concrete shown in Fig. 1;
Fig. 3 is the partial structurtes schematic diagram of the impervious pick-up unit of the automatic Regulation of concrete shown in Fig. 1;
Fig. 4 is the inside annexation schematic diagram of the impervious pick-up unit of the automatic Regulation of concrete shown in Fig. 1;
In accompanying drawing, the mark of each parts is as follows: 1, die trial, and 2, control device, 3, high-pressure pump, 4, total valve, 5, infiltration valve, 6, cover die, 7, bed die, 8, water seepage hole, 9, cylindrical projection, 10, through hole, 11, O-ring seal, 12, water supply control box, 13, water tank, 14, concrete sample.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the impervious pick-up unit of a kind of concrete automatic Regulation, comprise: multiple die trial 1, control device 2 and water supply installation, on described control device 2, control linkage has total valve 4 and multiple infiltration valve 5, described die trial 1 comprises cover die 6 and bed die 7, described cover die 6 cooperation is arranged on bed die 7, described bed die 7 is provided with water seepage hole 8, described bed die 7 is arranged on control device 2, described total valve 4 is connected with water supply installation with multiple infiltration valve 5 respectively, and described infiltration valve 5 is connected with water seepage hole 8.
In addition, described bed die 7 is provided with multiple cylindrical projection 9, described cover die 6 offers multiple through hole 10, and through hole 10 matches with cylindrical projection 9, installs concrete sample 14 between described bed die 7 and cover die 6.
In addition, described bed die 7 is provided with O-ring seal 11, described O-ring seal 11 is arranged at the inner side of multiple cylindrical projection 9.
In addition, the quantity of described cylindrical projection 9 and through hole 10 is 6, and the xsect of described bed die 7 and cover die 6 is circle.
In addition, described water seepage hole 8 is positioned at bed die center, and the quantity of described die trial 1 and infiltration valve 5 is 6.
In addition, described water supply installation comprises changeable water supply controller 12 and water tank 13, is provided with high-pressure pump 3 between described changeable water supply controller 12 and water tank 13, and described water tank 13 is connected with total valve 4 by pipeline.
The method of testing of the impervious pick-up unit of a kind of concrete automatic Regulation, comprise the following steps: a. pours water: nut water filling chewed is backed out, and total valve 4 is opened, funnel is placed in water filling chew, pour water in water tank and treat that it is filled, and be also full of water by bed die 7, now at closedown infiltration valve 5; B. die trial: be positioned over by bed die 7 on control device 1, is positioned over concrete sample 14 on cover die 6; C. pressure testing: whether setting pressure testing hydraulic pressure lower limit is 0.4 MPa, treat water pressure invariableness 10 minutes, observe concrete sample periphery and seep water, reseal if any infiltration; As nothing infiltration, adjustment setting hydraulic pressure value is 0.1MPa again, is opened by total valve 4, is reduced to after below setting value again closes total valve 4 until hydraulic pressure; D. test: hydraulic pressure, from 0.1MPa, increases 0.1MPa every 8h, and observe test specimen end face infiltration situation at any time; When there being the infiltration of 3 concrete samples surface in 6 concrete samples 14, or when adding to authorised pressure in 6 test specimens, surface infiltration is less than 3 in 8h, namely stopping test, and record now water pressure; E. calculate seepage-resistant grade: with often organize in 6 concrete samples have 4 not occur maximum water pressure when seeping water is multiplied by 10 and determines; Computing formula is as follows: P=10H-1, and wherein P is concrete impervious grade, and H is water pressure when having 3 test specimen infiltrations in 6 test specimens.
Be different from prior art, the impervious pick-up unit of concrete automatic Regulation of the present invention and method of testing thereof, automatically can complete concrete sample anti-permeability performance and detect, significantly improve efficiency and the precision of concrete water-permeating test.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. the impervious pick-up unit of concrete automatic Regulation, it is characterized in that, comprise: multiple die trial, control device and water supply installation, on described control device, control linkage has total valve and multiple infiltration valve, and described die trial comprises cover die and bed die, and described cover die cooperation is arranged on bed die, described bed die is provided with water seepage hole, described bed die is arranged on control device, and described total valve is connected with water supply installation with multiple infiltration valve respectively, and described infiltration valve is connected with water seepage hole.
2. the impervious pick-up unit of concrete automatic Regulation according to claim 1, it is characterized in that, described bed die is provided with multiple cylindrical projection, described cover die offers multiple through hole, through hole matches with cylindrical projection, installs concrete sample between described bed die and cover die.
3. the impervious pick-up unit of concrete automatic Regulation according to claim 2, is characterized in that, described bed die is provided with O-ring seal, and described O-ring seal is arranged at the inner side of multiple cylindrical projection.
4. the impervious pick-up unit of concrete automatic Regulation according to claim 3, is characterized in that, the quantity of described cylindrical projection and through hole is 6, and the xsect of described bed die and cover die is circle.
5. the impervious pick-up unit of concrete automatic Regulation according to claim 1, it is characterized in that, described water seepage hole is positioned at bed die center, and the quantity of described die trial and infiltration valve is 6.
6. the impervious pick-up unit of concrete automatic Regulation according to claim 1, it is characterized in that, described water supply installation comprises changeable water supply controller and water tank, is provided with high-pressure pump between described changeable water supply controller and water tank, and described water tank is connected with total valve by pipeline.
7. a method of testing for the impervious pick-up unit of concrete automatic Regulation as claimed in claim 1, is characterized in that, comprise the following steps:
A. pour water: nut water filling chewed is backed out, and is opened by total valve, funnel is placed in water filling and chews, pour water in water tank and treat that it is filled, and be also full of water by bed die, now at closedown infiltration valve;
B. die trial: be positioned over by bed die on control device, is positioned over concrete sample in cover die;
Whether c. pressure testing: setting pressure testing hydraulic pressure lower limit, treat water pressure invariableness certain hour, observe concrete sample periphery and seep water, reseal if any infiltration; As without infiltration, again adjust setting hydraulic pressure value, total valve is opened, is reduced to after below setting value until hydraulic pressure and again closes total valve;
D. test: hydraulic pressure, from 0.1MPa, increases 0.1MPa every 8h, and observe test specimen end face infiltration situation at any time; When there being the infiltration of 3 concrete samples surface in 6 concrete samples, or when adding to authorised pressure in 6 test specimens, surface infiltration is less than 3 in 8h, namely stopping test, and record now water pressure;
E. calculate seepage-resistant grade: with often organize in 6 concrete samples have 4 not occur maximum water pressure when seeping water is multiplied by 10 and determines; Computing formula is as follows: P=10H-1, and wherein P is concrete impervious grade, and H is water pressure when having 3 test specimen infiltrations in 6 test specimens.
8. the method for testing of the impervious pick-up unit of concrete automatic Regulation as claimed in claim 7, it is characterized in that, the hydraulic pressure lower limit in described step c is 0.4 MPa, and Time constant is 10 minutes.
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Cited By (3)
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| CN108106992A (en) * | 2017-12-19 | 2018-06-01 | 中建材中岩科技有限公司 | Test about Bond Strength method under the conditions of the infiltration of coating material pressure |
| CN109142194A (en) * | 2018-11-09 | 2019-01-04 | 北京华横新技术开发公司 | Impermeability test equipment and anti-leakage detector for water |
| CN116840128A (en) * | 2023-08-30 | 2023-10-03 | 寿光市房泰建筑安装有限公司 | Concrete impermeability test device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108106992A (en) * | 2017-12-19 | 2018-06-01 | 中建材中岩科技有限公司 | Test about Bond Strength method under the conditions of the infiltration of coating material pressure |
| CN109142194A (en) * | 2018-11-09 | 2019-01-04 | 北京华横新技术开发公司 | Impermeability test equipment and anti-leakage detector for water |
| CN116840128A (en) * | 2023-08-30 | 2023-10-03 | 寿光市房泰建筑安装有限公司 | Concrete impermeability test device and method |
| CN116840128B (en) * | 2023-08-30 | 2023-11-28 | 寿光市房泰建筑安装有限公司 | Concrete impermeability test device and method |
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Application publication date: 20150422 |