CN217212135U - Concrete sample impermeability test device - Google Patents
Concrete sample impermeability test device Download PDFInfo
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- CN217212135U CN217212135U CN202123020741.0U CN202123020741U CN217212135U CN 217212135 U CN217212135 U CN 217212135U CN 202123020741 U CN202123020741 U CN 202123020741U CN 217212135 U CN217212135 U CN 217212135U
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- water
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- supply pipe
- concrete
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 154
- 239000000523 sample Substances 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000035699 permeability Effects 0.000 abstract description 8
- 244000005700 microbiome Species 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 230000033558 biomineral tissue development Effects 0.000 abstract description 3
- 238000011156 evaluation Methods 0.000 abstract description 2
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A concrete test piece impermeability test device comprises a water collecting tank, a permeable tank and a test piece tank, wherein the upper end of the water collecting tank is opened and is placed below a support platform, the permeable tank is placed above the support platform, the lower part of the permeable tank is communicated with a water guide funnel, and a water outlet of the water guide funnel extends into the water collecting tank from the upper part; the lower end face of the test piece box is connected with a through water tank, the upper end of the test piece box is communicated with a water storage tank, the top of the water storage tank is communicated with an air supply pipe and a water supply pipe, the other end of the air supply pipe is communicated with an air compressor, the other end of the water supply pipe is communicated with a water supply tank, and stop valves are arranged on the air supply pipe and the water supply pipe; the utility model discloses a measure the infiltration flow of unit interval and calculate water permeability coefficient, the water permeability coefficient that will calculate and obtain is as the physical parameter of the microorganism concrete mineralization restoration efficiency of every time quantum of evaluation, the actual efficiency of test microorganism selfreparing agent that can be accurate.
Description
Technical Field
The utility model belongs to the technical field of concrete material engineering test device, in particular to concrete test piece impermeability test device.
Background
Concrete is an engineering material with the largest usage amount and the widest application range in the world at present, but in the long-term operation process of the concrete, because the elastic modulus and the tensile strength of the concrete are low, and the concrete is not tightly controlled or the service life of the concrete is prolonged, different crack structures can be formed on the concrete due to local load, uneven temperature, solute erosion and the like in the design construction process, the cracks are used as channels with the minimum resistance, water flow can often move along the crack forming direction, micro cracks can be expanded due to long-term water flow scouring, denudation and erosion of salt solution ions, and the long-term durability of the whole concrete structure is reduced.
In the existing concrete repair materials, a microbial repair method is often adopted; the microorganism has the characteristics of small volume, quick propagation, multiple varieties and the like, and part of the microorganism has the function of converting special nutrient substances into mineral precipitates through the actions of metabolism, enzyme hydrolysis and the like, so that the microorganism can be used as a self-repairing agent to prepare a material with the crack self-repairing function; how to detect the use effect of the microbial self-repairing agent is not a good method at present, so a device for measuring the mineralization and repair efficiency of the microbial concrete needs to be designed.
Disclosure of Invention
In view of the technical problem that the background art exists, the utility model provides a concrete test piece impermeability test device, this device calculates water permeability coefficient through the infiltration flow of measuring unit interval, and the water permeability coefficient that will calculate the obtaining is as the physical parameter of the microorganism concrete mineralization restoration efficiency of every time quantum of evaluation, the actual efficiency of test microorganism selfreparing agent more accurate enough.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:
a concrete test piece impermeability test device comprises a water collecting tank, a permeable tank and a test piece tank, wherein the upper end of the water collecting tank is opened and is placed below a support platform, the permeable tank is placed on the support platform, the lower part of the permeable tank is communicated with a water guide funnel, and a water outlet of the water guide funnel extends into the water collecting tank from the upper part;
the lower terminal surface of test piece case links penetrating water tank, and the upper end intercommunication water storage box of test piece case, the top intercommunication of water storage box has air supply pipe and delivery pipe, and the other end intercommunication air compressor of air supply pipe, the other end intercommunication feed water tank of delivery pipe are equipped with the stop valve on air supply pipe and the delivery pipe.
In the preferred scheme, a small support is placed on the support platform, and the water supply tank is placed on the small support.
In a preferable scheme, a water pump is arranged in the water supply tank and is connected with a water supply pipe.
In the preferred scheme, a sealing partition plate is arranged at the joint of the test piece tank and the water storage tank, a waterproof rubber gasket is arranged at the outer edge of the sealing partition plate, and an adjustable valve is further arranged on the sealing partition plate.
In the preferred scheme, a water level probe is arranged in the water collecting tank, the water level probe is connected with the display through a signal line, and the side part of the water collecting tank is communicated with a drain pipe.
In the preferred scheme, the inside packing of test piece case has the concrete test piece, and the test piece case passes through the bolt fastening with the case that permeates water on the support platform.
This patent can reach following beneficial effect:
1. the device can accurately read the water level data in the water collecting tank by arranging the high-precision ultrasonic water level probe, and the water seepage amount is obtained through conversion, so that graduated containers such as a measuring cup and a measuring cylinder are not used, and the water seepage amount condition is accurately mastered;
2. the air compressor is arranged in the device, so that the water storage tank has any air pressure, and the change condition of water seepage amount under different air pressures can be conveniently and visually seen;
3. the device can quickly supplement the water quantity in the water storage tank at any time according to the change of the water seepage quantity by arranging the water inlet pipe and the water supply tank, and avoids the influence of the water head change caused by the fluctuation of the water level in the water storage tank on the water permeability resistance of the test block.
Drawings
The invention will be further described with reference to the following drawings and examples:
FIG. 1 is an appearance diagram of the overall structure of the present invention;
FIG. 2 is a sectional front view of the overall structure of the present invention;
fig. 3 is the utility model discloses case and header tank inner structure cross-sectional view permeate water.
In the figure: the device comprises a water collecting tank 1, a water guide funnel 2, a support platform 3, a permeable tank 4, a test piece tank 5, a water storage tank 6, a water supply tank 7, an air compressor 8, a small support 9, a water pump 10, a water supply pipe 11, an air supply pipe 12, a stop valve 13, a sealing partition plate 14, an adjustable valve 15, a water discharge pipe 16, a water level probe 17, a signal line 18, a display 19 and a bolt 20.
Detailed Description
As shown in fig. 1 and 2, the concrete test piece impermeability test device comprises a water collection tank 1, a permeable tank 4 and a test piece tank 5, wherein the upper end of the water collection tank 1 is opened and is placed below a support platform 3, the permeable tank 4 is placed on the support platform 3, the lower part of the permeable tank 4 is communicated with a water guide funnel 2, and a water outlet of the water guide funnel 2 extends into the water collection tank 1 from the upper part; the lower end face of the test piece box 5 is connected with the through water tank 4, the upper end of the test piece box 5 is connected with the water storage box 6, the top of the water storage box 6 is connected with an air supply pipe 12 and a water supply pipe 11, the other end of the air supply pipe 12 is connected with an air compressor 8, the other end of the water supply pipe 11 is connected with the water supply box 7, and stop valves 13 are arranged on the air supply pipe 12 and the water supply pipe 11;
when the device is used, water in the water supply tank 7 is transmitted into the water storage tank 6 through the water supply pipe 11, then flows into the test piece tank 5 filled with the concrete test piece through the water storage tank 6, and finally flows into the water collection tank 1 through the water guide funnel 2; wherein the water pressure in the water storage tank 6 can be adjusted through the air supply pipe 12 and the air compressor so as to obtain the water permeability resistance data under any pressure; the water supply pipe 11 and the water supply tank 7 can quickly supplement the water amount in the water storage tank 6 at any time according to the change of the water seepage amount, and the influence of water head change caused by water level fluctuation in the water storage tank 6 on the water permeability resistance of the test block is avoided.
Preferably, as shown in fig. 1, a small bracket 9 is placed on the bracket platform 3, and the water supply tank 7 is placed on the small bracket 9 and used for increasing the water level in the water supply tank 7; a water pump 10 is arranged in the water supply tank 7, said water pump 10 being connected to the water supply pipe 11 and providing kinetic energy for the transfer of the water flow in the water supply pipe 11.
Preferably, as shown in fig. 2, a sealing partition plate 14 is arranged at the joint of the test piece tank 5 and the water storage tank 6, a waterproof rubber gasket is arranged at the outer edge of the sealing partition plate 14, and an adjustable valve 15 is further arranged on the sealing partition plate 14; the opening degree of adjustable valve 15 can be adjusted when the device uses to the operation requirement of the concrete test piece of the width is develoied to the different cracks of adaptation, and the waterproof cushion of sealed partition 14 outer edge department can avoid concrete impermeability test device water to ooze along the passageway outside the test block crack in the use.
Preferably, as shown in fig. 3, a water level probe 17 is arranged in the water collecting tank 1, the water level probe 17 is connected with a display 19 through a signal line 18, and the side part of the water collecting tank is communicated with a drain pipe 16; the water level probe 17 usually adopts an ultrasonic water level probe, can accurately read the water level in the water collecting tank 1, and can judge the water seepage effect of the concrete test piece in the test piece tank 5 by reading the water seepage value in the water collecting tank 1 within a certain time.
The working principle of the whole device is as follows:
1. before the test is started, a concrete test piece is placed in the test piece box 5, and the stop valve 13 on the water supply pipe 11 is opened to enable water in the water supply tank 7 to be transmitted into the water storage tank 6 through the water supply pipe 11;
2. according to the opening degree of the crack development width adjusting valve 15 of the concrete sample, water in the water storage tank 6 flows into the sample tank 5 filled with the concrete sample, passes through the water permeable tank 4 and flows into the water collecting tank 1 through the water guide funnel 2;
3. in the test process, a stop valve 13 on an air supply pipe 12 is opened, an air compressor 8 is started, and the pressure in a water storage tank 6 is adjusted to obtain the water permeability resistance data under any pressure;
4. the water level probe 1 is arranged in the water collecting tank 1 and sends the water level to the display 19, and the water seepage effect of the concrete test piece in the test piece tank 5 can be judged by reading the water level value of the water collecting tank 1 within the set time.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. I.e., equivalent alterations and modifications within the scope of the invention, are also intended to be covered by the scope of this invention.
Claims (6)
1. The utility model provides a concrete sample impermeability test device, including header tank (1), permeable tank (4) and test piece case (5), its characterized in that: the upper end of the water collecting tank (1) is opened and is placed below the support platform (3), the permeable tank (4) is placed on the support platform (3), the lower part of the permeable tank (4) is communicated with the water guide funnel (2), and the water outlet of the water guide funnel (2) extends into the water collecting tank (1) from the upper part;
the lower terminal surface of test piece case (5) links penetrating water tank (4), and the upper end intercommunication water storage box (6) of test piece case (5), the top intercommunication of water storage box (6) has air supply pipe (12) and delivery pipe (11), and the other end intercommunication air compressor (8) of air supply pipe (12), the other end intercommunication delivery pipe (7) of delivery pipe (11), is equipped with stop valve (13) on air supply pipe (12) and the delivery pipe (11).
2. The concrete sample impermeability test device of claim 1, wherein: a small bracket (9) is placed on the bracket platform (3), and the water supply tank (7) is placed on the small bracket (9).
3. The impermeability test device for concrete samples according to claim 2, characterized in that: a water pump (10) is arranged in the water supply tank (7), and the water pump (10) is connected with a water supply pipe (11).
4. The impermeability test device for concrete samples according to claim 1, characterized in that: a sealing partition plate (14) is arranged at the joint of the test piece box (5) and the water storage tank (6), a waterproof rubber gasket is arranged at the outer edge of the sealing partition plate (14), and an adjustable valve (15) is further arranged on the sealing partition plate (14).
5. The concrete sample impermeability test device of claim 1, wherein: a water level probe (17) is arranged in the water collecting tank (1), the water level probe (17) is connected with a display (19) through a signal line (18), and the side part of the water collecting tank is communicated with a drain pipe (16).
6. The concrete sample impermeability test device of claim 1, wherein: the inside of test piece case (5) is filled with the concrete test piece, and test piece case (5) and permeable tank (4) are fixed in on support platform (3) through bolt (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123020741.0U CN217212135U (en) | 2021-12-03 | 2021-12-03 | Concrete sample impermeability test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123020741.0U CN217212135U (en) | 2021-12-03 | 2021-12-03 | Concrete sample impermeability test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217212135U true CN217212135U (en) | 2022-08-16 |
Family
ID=82783769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123020741.0U Active CN217212135U (en) | 2021-12-03 | 2021-12-03 | Concrete sample impermeability test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217212135U (en) |
-
2021
- 2021-12-03 CN CN202123020741.0U patent/CN217212135U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hubei Xinrui Engineering Consulting Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980044980 Denomination of utility model: A testing device for impermeability performance of concrete specimens Granted publication date: 20220816 License type: Common License Record date: 20231030 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Hubei Xinrui Engineering Consulting Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980044980 Date of cancellation: 20240528 |
|
| EC01 | Cancellation of recordation of patent licensing contract |