CN207586097U - A kind of road surface water-permeable brick permeability coefficient tester - Google Patents
A kind of road surface water-permeable brick permeability coefficient tester Download PDFInfo
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- CN207586097U CN207586097U CN201721815331.6U CN201721815331U CN207586097U CN 207586097 U CN207586097 U CN 207586097U CN 201721815331 U CN201721815331 U CN 201721815331U CN 207586097 U CN207586097 U CN 207586097U
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- permeable brick
- water
- framework
- road surface
- pipeline
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Abstract
The utility model discloses a kind of road surface water-permeable brick permeability coefficient testers, it solves the problems, such as that water-permeable brick osmosis system is complicated in the prior art, the advantageous effect for having testing efficiency high, and scheme is as follows：A kind of road surface water-permeable brick permeability coefficient tester, including framework, framework bottom is equipped with the opening for containing water-permeable brick, is connect at the top of framework with transparent or semitransparent pipeline, and the hollow setting of pipeline top or top set dismountable lid.
Description
Technical field
The utility model is related to sponge city field, more particularly to a kind of road surface water-permeable brick permeability coefficient tester.
Background technology
Porous pavement is also referred to as porous pavements, including permeable brick paving and pervious concrete pavement etc., in coarse aggregate skeleton
Inside has a large amount of connectivity hole that road surface is caused to have good water permeability, and a large amount of rainwater can quickly be allowed to penetrate into ground
Under, so as to effectively reduce or eliminate urban storm flood.However, contain in the rainwash generated due to rainfall a large amount of
Suspended particulate (such as silt particle, clast), these mineral or organic fine grained can constantly enter seepy material hole with flow, cause
Pore plugging, seepy material and base's permeance property constantly reduce, and porous pavement is caused to be difficult to play drain function, final to develop
Into non-porous pavement, reduced service life increases the possibility that urban flooding and freezing-thawing disaster occur.In practice, mostly
Its permeable energy is assessed using the variation that (usually more than several years) its coefficient of permeability is continuously monitored to a certain piece of water-permeable pavement
Power, and the usual volume of existing apparatus is big, using complex steps, before use, need to fill brickwork joint leak stopping putty, it is specific to survey
The infiltration rate for measuring one piece of water-permeable brick is ineffective, and is set on road surface, usually influences the normal pass of pedestrian or vehicle, this
Outside, existing monitoring device is chiefly used in interior, and installing and dismounting process is complicated, time-consuming.
It would therefore be desirable to have a kind of instruments for monitoring the variation of porous pavement infiltration coefficient, and long-term original position can be carried out with road pavement
Monitoring.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of road surface water-permeable brick permeability coefficient tester,
The tester is simple in structure, convenient and efficient can realize determining for road pavement infiltration coefficient.
A kind of concrete scheme of road surface water-permeable brick permeability coefficient tester is as follows：
A kind of road surface water-permeable brick permeability coefficient tester, including：
Framework, framework bottom are equipped with the opening for containing water-permeable brick, are connect at the top of framework with transparent or semitransparent pipeline,
The hollow setting of pipeline top or top set dismountable lid, facilitate the injection of rainwater or water, and pipeline L-shaped can be set, and
It is hollow to facilitate injection water source at the top of pipeline horizontal segment.
Alternative plan provided by the utility model is：
A kind of road surface water-permeable brick permeability coefficient tester, including：
Framework, framework bottom are equipped with for the opening that contains water-permeable brick, at the top of framework by transparent or semitransparent pipeline with
Water tank connects, and the bottom of storage tank setting valve when needing to be built into water to pipeline, opens valve, carries out water filling.
In the two schemes, framework contains water-permeable brick setting, by determining that pipeline memory in setting time drops under water
Highly, you can determine the infiltration coefficient of water-permeable brick.
Further, the height of water after setting time is obtained for convenience, and the pipeline is equipped with to check water in pipeline
The graduation mark of height.
Further, the framework opening shape is identical with the shape of the water-permeable brick, and framework edge of opening is set
For rubber ring to be bonded with water-permeable brick, it is to improve leakproofness to flowing down by water-permeable brick to ensure water.
Further, the framework opening size is more than or equal to the size of water-permeable brick, it is preferable that is equal to.
Further, setting annular mouth at the top of the framework, the bottom of the pipeline is set in annular mouth, in order to ensure to seal
Performance, annular mouth size is set more than the bottom of the pipeline, and further includes a retainer ring, after pipeline is placed on annular mouth, by retainer ring
It is placed on the outside of annular mouth and sets.
Alternatively, being threaded on the inside of annular mouth, pipeline setting external screw thread, the two realizes close connection by screw thread.
Further, size gradually increases the framework from the top to the bottom, and lateral surface is the conical surface.
Further, one circle sealing ring of setting on the inside of the annular mouth.
Further, in order to simulate actual condition, infiltration selects rainwater with wet concentration, larger miscellaneous because that may contain in rainwater
Matter, therefore at least one layer of filter screen of setting in the pipeline, in this way when research impurity influences permeance property, removal filtering
Net when needing, then sets filter screen, and pipeline includes two sections, and filter screen is set between two sections.
A kind of method of determining water-permeable brick infiltration coefficient, using a kind of road surface water-permeable brick permeability coefficient tester,
It is as follows using step：
1) a kind of road surface water-permeable brick permeability coefficient tester is contained into water-permeable brick setting；
2) rainwater or water of setting volume are injected into pipeline and framework, water level is higher than initial rainwater or the height h of water1,
cm；
3) when water level decreasing to specified initial water level h1When, start timing, after setting time t, record rainwater in pipeline
Or the height h of water2, cm；
4) osmotic coefficient k of water-permeable brick is determined by formula (1)s：
Wherein, ksIt is the infiltration coefficient of water-permeable brick, cm/s；A is the area of framework top cross-section, cm2；A is that framework bottom is cut
The area in face, cm2；L is the thickness of water-permeable brick, cm；T is the time of seepage flow, s.
Compared with prior art, the beneficial effects of the utility model are：
1) the utility model overall structure is simple, can quickly realize installation and dismounting, by measuring height change, passes through public affairs
Formula can obtain the infiltration coefficient of water-permeable brick, and measurement efficiency is high.
2) the utility model effectively contains water-permeable brick by the setting of framework, and conveniently with the connection of pipeline.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.
Fig. 1 is the utility model device vertical view；
Fig. 2 is the utility model framework side view；
Fig. 3 is the schematic diagram of the utility model single unit system；
Wherein：1. pipeline, 2. openings, 3. annular mouths.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Embodiment 1
As background technology is introduced, the deficiencies in the prior art, the technical issues of in order to solve as above, this Shen
It please propose a kind of road surface water-permeable brick permeability coefficient tester.
In a kind of typical embodiment of the application, as shown in Figure 1, a kind of road surface water-permeable brick permeability coefficient tester,
Including framework, framework bottom is equipped with the opening 2 for containing water-permeable brick, is connect at the top of framework with transparent or semitransparent pipeline 1, manages
The hollow setting in 1 top of road or top set dismountable lid, facilitate the injection of rainwater or water, alternatively, pipeline L-shaped can be set
It puts, and hollow to facilitate injection water source at the top of pipeline horizontal segment.
Framework contains water-permeable brick setting, by determining 1 memory of pipeline drops under water in setting time height, you can determines
The infiltration coefficient of water-permeable brick.
The height of water after setting time is obtained for convenience, and pipeline 1 is equipped with the scale for checking water height in pipeline 1
Line.
Framework 2 shapes that are open are identical with the shape of water-permeable brick, can be cuboid shape or cylindrical shape, and frame
Body is open 2 edges setting rubber ring to be bonded with water-permeable brick, and it is to improve leakproofness to flowing down by water-permeable brick to ensure water, in addition,
In one circle rubber ring of framework opening inner side setting, to improve the leakproofness of framework and water-permeable brick, such tester can be used for list
Block brick can be used for outdoor road surface.
Framework 2 sizes of opening are more than or equal to the size of water-permeable brick, it is preferable that are equal to.
Setting annular mouth 3 at the top of framework, 1 bottom of pipeline is set in annular mouth 3, in order to ensure sealing performance, annular
3 sizes of mouth are set more than 1 bottom of pipeline.3 inside setting of annular mouth, the one circle sealing ring.
Size gradually increases framework from the top to the bottom, and lateral surface is the conical surface.
In order to simulate actual condition, infiltration selects rainwater with wet concentration, because larger impurity may be contained in rainwater, therefore it is described
At least one layer of filter screen of setting in pipeline.
Embodiment 2
A kind of road surface water-permeable brick permeability coefficient tester, including：
Framework, framework bottom are equipped with for the opening that contains water-permeable brick, at the top of framework by transparent or semitransparent pipeline with
Water tank connects, and the bottom of storage tank setting valve when needing to inject water into pipeline, opens valve, carries out water filling.
Setting annular mouth at the top of the framework, the bottom of the pipeline is set in annular mouth, in order to ensure sealing performance, annular
Mouth size is set more than the bottom of the pipeline, and further includes a retainer ring, after pipeline is placed on annular mouth, by Fixing shrink ring in annular mouth
Outside is set.Size gradually increases the framework from the top to the bottom, and lateral surface is the conical surface.
Alternatively, being threaded on the inside of annular mouth, pipeline setting external screw thread, the two realizes close connection by screw thread.
A kind of method of determining water-permeable brick infiltration coefficient, a kind of road surface water-permeable brick described in using embodiment 1 or embodiment 2
Permeability coefficient tester, it is as follows using step：
1) a kind of road surface water-permeable brick permeability coefficient tester is contained into water-permeable brick setting；
2) rainwater or water of setting volume are injected into pipeline and framework, water level is higher than initial rainwater or the height h of water1,
cm；
3) when water level decreasing to specified initial water level h1When, start timing, after setting time t, record rainwater in pipeline
Or the height h of water2, cm；
4) osmotic coefficient k of water-permeable brick is determined by formula (1)s：
Wherein, ksIt is the infiltration coefficient of water-permeable brick, cm/s；A is the area of framework top cross-section, cm2；A is that framework bottom is cut
The area in face, cm2；L is the thickness of water-permeable brick, cm；T is the time of seepage flow, s.
The formulation process is as follows：
First according to Darcy formula
V=ki
Wherein v is flow velocity, and k is infiltration coefficient, and i is hydraulic slope
Obtain the seepage discharge dQ that the dt times flow through water-permeable brick
Wherein h is the head at dt moment, and L is the thickness of water-permeable brick, and A is the sectional area of water-permeable brick.
According to flow equal principle, that is, the flow of water-permeable brick is flowed out equal to the seepage discharge in pipe, can be obtained：
Wherein a is the area of the circular cross-section of glass tube, and dh is the height of water level decreasing in dt inner tubes.
Above formula is deformed, the left side of formula integrates the time from 0 to t, and the right of formula is to head from h1To h2Integration, obtains
The formula of infiltration coefficient is as follows：
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (9)
1. a kind of road surface water-permeable brick permeability coefficient tester, which is characterized in that including：
Framework, framework bottom are equipped with the opening for containing water-permeable brick, are connect at the top of framework with transparent or semitransparent pipeline, pipeline
The hollow setting in top or top set dismountable lid.
2. a kind of road surface water-permeable brick permeability coefficient tester, which is characterized in that including：
Framework, framework bottom are equipped with the opening for containing water-permeable brick, pass through transparent or semitransparent pipeline and water storage at the top of framework
Case connects.
A kind of 3. road surface water-permeable brick permeability coefficient tester according to claim 1 or 2, which is characterized in that the pipeline
Equipped with for checking the graduation mark of water height in pipeline.
A kind of 4. road surface water-permeable brick permeability coefficient tester according to claim 1 or 2, which is characterized in that the framework
Opening shape is identical with the shape of the water-permeable brick.
A kind of 5. road surface water-permeable brick permeability coefficient tester according to claim 1 or 2, which is characterized in that the framework
Opening size is more than or equal to the size of water-permeable brick.
A kind of 6. road surface water-permeable brick permeability coefficient tester according to claim 1 or 2, which is characterized in that the framework
Top sets annular mouth, and the bottom of the pipeline is set in annular mouth.
A kind of 7. road surface water-permeable brick permeability coefficient tester according to claim 1 or 2, which is characterized in that the framework
Size gradually increases from the top to the bottom.
8. a kind of road surface water-permeable brick permeability coefficient tester according to claim 6, which is characterized in that in the annular mouth
One circle sealing ring of side setting.
A kind of 9. road surface water-permeable brick permeability coefficient tester according to claim 1 or 2, which is characterized in that the pipeline
The interior at least one layer of filter screen of setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815331.6U CN207586097U (en) | 2017-12-22 | 2017-12-22 | A kind of road surface water-permeable brick permeability coefficient tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815331.6U CN207586097U (en) | 2017-12-22 | 2017-12-22 | A kind of road surface water-permeable brick permeability coefficient tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207586097U true CN207586097U (en) | 2018-07-06 |
Family
ID=62740033
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721815331.6U Expired - Fee Related CN207586097U (en) | 2017-12-22 | 2017-12-22 | A kind of road surface water-permeable brick permeability coefficient tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007844A (en) * | 2017-12-22 | 2018-05-08 | 山东大学 | A kind of road surface water-permeable brick permeability coefficient tester |
| CN112394021A (en) * | 2021-01-20 | 2021-02-23 | 西南交通大学 | Indoor testing arrangement of permeable pavement structure osmotic coefficient |
-
2017
- 2017-12-22 CN CN201721815331.6U patent/CN207586097U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007844A (en) * | 2017-12-22 | 2018-05-08 | 山东大学 | A kind of road surface water-permeable brick permeability coefficient tester |
| CN112394021A (en) * | 2021-01-20 | 2021-02-23 | 西南交通大学 | Indoor testing arrangement of permeable pavement structure osmotic coefficient |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20191222 |