CN209460101U - Permeation coefficient of permeable concrete test device - Google Patents
Permeation coefficient of permeable concrete test device Download PDFInfo
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- CN209460101U CN209460101U CN201822068239.9U CN201822068239U CN209460101U CN 209460101 U CN209460101 U CN 209460101U CN 201822068239 U CN201822068239 U CN 201822068239U CN 209460101 U CN209460101 U CN 209460101U
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- test specimen
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- measuring cylinder
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Abstract
The utility model discloses a kind of permeation coefficient of permeable concrete test device, including overflow groove, measuring cylinder, test specimen place container and overflow water accommodating container, and spilling water groove sidewall is equipped with outlet pipe, and outlet pipe is equipped with water outlet metering flowmeter；If graduated measuring cylinder side wall is equipped with overflow pipe, overflow pipe is connect with measuring cylinder fluid communication；The water inlet end of measuring cylinder and the water outlet fluid communication of water inlet pipe connect, measuring cylinder is arranged in test specimen and places the surface of container and connect with the water outlet of measuring cylinder with the water inlet end fluid communication that test specimen places container, and test specimen places container and is arranged in overflow groove and is placed on bar shaped cushion block.The utility model can streamflow to overflow groove outlet pipe and the more accurate judgement of the whether stable progress of measuring cylinder overflow pipe streamflow, be conducive to researcher and select a coefficient of permeability and the preferable pervious concrete formula of strength matching degree.
Description
Technical field
The utility model relates to pervious concrete the field of test technology.Specifically a kind of permeation coefficient of permeable concrete
Test device.
Background technique
Same partial size with high quality is mixed using cement, water, reinforcing agent by pervious concrete system or gap-graded aggregate is formed
, and the mixing material with certain voidage.When being made into concrete road surface, slope protection and its product, draining can be obtained, resisted
Cunning, sound-absorbing, noise reduction, infiltration effect, earth's surface ecological circulation can be improved, be conducive to moving traffic safety, protect living environment, solve by
It is negatively affected in extensive Modernized City Construction bring.Engineering practice proves that permeable concrete is a kind of novel more function
It can pavement material.In view of the coefficient of permeability of pervious concrete, there are conflicting relationships with its intensity, i.e. coefficient of permeability is higher,
The intensity of pervious concrete will be lower, preferable saturating in order to obtain under the premise of obtaining the matching of preferable coefficient of permeability and intensity
Water coagulation soil formula, it usually needs coefficient of permeability is carried out to pervious concrete and intensity is tested.And existing permeable coagulation
Native coefficient of permeability test device, the mode for generalling use direct visual perception determine the streamflow and measuring cylinder of overflow groove outlet pipe
Whether overflow pipe streamflow is stable, then decides whether to start to carry out coefficient of permeability test again, however macroscopic mode is deposited
In certain error, be easy to cause coefficient of permeability less than normal, unsuitable researcher select a coefficient of permeability and strength matching degree compared with
Good pervious concrete formula.
Utility model content
For this purpose, the technical problem to be solved by the utility model is to provide a kind of tests of permeation coefficient of permeable concrete to fill
Set, can streamflow to overflow groove outlet pipe and the more accurate judgement of the whether stable progress of measuring cylinder overflow pipe streamflow,
Be conducive to researcher and select a coefficient of permeability and the preferable pervious concrete formula of strength matching degree.
In order to solve the above technical problems, the utility model provides the following technical solutions:
Permeation coefficient of permeable concrete test device, including overflow groove, measuring cylinder, test specimen place container and overflow water storage
Container, the spilling water groove sidewall are equipped with outlet pipe, and the outlet pipe is equipped with water outlet metering flowmeter；If graduated institute
Measuring cylinder side wall is stated equipped with overflow pipe, the overflow pipe is connect with the measuring cylinder fluid communication；The water inlet of the measuring cylinder
End is connect with the water outlet fluid communication of water inlet pipe, and the surface of test specimen placement container and described is arranged in the measuring cylinder
The water outlet of measuring cylinder is connect with the water inlet end fluid communication that the test specimen places container, and the test specimen is placed container and is arranged in institute
The upper of bar shaped cushion block is stated in overflow groove and is located at, the bar shaped cushion block is placed on the spilling water trench bottom and the bar shaped cushion block
It is provided with infiltration flowing groove；The water inlet for overflowing water accommodating container is located at immediately below the water outlet of the outlet pipe；It is described
Water inlet pipe is equipped with water check valve and water inlet metering flowmeter；Thermometer is equipped in the measuring cylinder；It is cased with rubber test piece set
Test specimen is placed in the test specimen and places in container, and rubber test piece set lateral wall and test specimen placement container inner wall are close
Sealing-in touching；The measuring cylinder is placed container with the test specimen and is an integral structure, and the test specimen places the edge-on wall of container
On be provided with hermatic door.
Above-mentioned permeation coefficient of permeable concrete test device is axially arranged with greatly on the measuring cylinder side wall along the measuring cylinder
In or equal to 2 overflow pipes.
Above-mentioned permeation coefficient of permeable concrete test device, institute's bar shaped cushion block are the bar pad that upper surface is equipped with raised seamed edge
Block.
Above-mentioned permeation coefficient of permeable concrete test device, the rubber test piece set shape is cylinder-shaped or hollow prism
Shape.
Above-mentioned permeation coefficient of permeable concrete test device, the test specimen place interior of the container shape and the rubber
The shape of specimen sleeve is adapted.
Above-mentioned permeation coefficient of permeable concrete test device, the side wall that the test specimen places container are passed in and out equipped with test specimen
Mouthful, the hermatic door and the test specimen place the side wall sealed connection of container and import and export the test specimen and block.
Above-mentioned permeation coefficient of permeable concrete test device, the hermatic door is by the rubber sealant of outer layer and the glass of internal layer
Glass plate composition, fixation is bonded together between the rubber sealant and the glass plate；The upper edge of the rubber sealant,
Left margin and the right are placed the rubber layer coated on container with the test specimen along thrin and are fixedly connected, the rubber sealant
Upper edge inner surface on, on left margin inner surface and the right protrusion sealing is formed along inner surface,
Position corresponding with the protrusion sealing is provided with sealed groove, the protrusion sealing and the sealing in the rubber layer
Groove interference fit.
Above-mentioned permeation coefficient of permeable concrete test device, upper end, middle part and the lower end that the test specimen places container cover
Have for by the hermatic door banding test specimen import and export cuff.
The technical solution of the utility model achieves following beneficial technical effect:
1. the utility model passes through water outlet metering flow of the water inlet metering on flowmeter and outlet pipe on water inlet pipe
Whether the reading on meter is unanimously tested to determine whether to carry out the coefficient of permeability of pervious concrete, it is possible to reduce coefficient of permeability
Human error in test process improves the science and accuracy of coefficient of permeability measurement, to select permeable system to researcher
The concrete formulation that several and intensity matches provides more structurally sound scientific basis.
2. thermometer can accurately measure water temperature, makes test that can accurately control water temperature, eliminate temperature to the shadow of coefficient of permeability
It rings.
3. test specimen places test specimen inlet and outlet and hermatic door being placed and taken out convenient for test specimen on container, measurement can be made to try
More rapid and convenient is tested, solves the technical problem that previous load mode from bottom to top is heavy, sealing is difficult.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model permeation coefficient of permeable concrete test device；
Fig. 2 is the structural representation of the test specimen placement container in the utility model permeation coefficient of permeable concrete test device
Figure；
Fig. 3 is the structural schematic diagram of the hermatic door in the utility model permeation coefficient of permeable concrete test device；
Fig. 4 is a kind of structural schematic diagram that the rubber test piece of the utility model permeation coefficient of permeable concrete test device covers
(being suitable for cuboid or square bodily form test specimen)；
Fig. 5 is another structural representation that the rubber test piece of the utility model permeation coefficient of permeable concrete test device covers
Figure (is suitable for cylindrical test specimen).
Appended drawing reference indicates in figure are as follows: 1- overflow groove；2- measuring cylinder；3- test specimen places container；4- overflows water accommodating container；
5- bar shaped cushion block；6- outlet pipe；7- is discharged metering flowmeter；8- water inlet pipe；9- water check valve；10- water inlet metering flow
Meter；11- overflow pipe；12- rubber sealant, 13- cuff；14- rubber test piece set；15- test specimen inlet and outlet；16- hermatic door；17-
Thermometer；18- test specimen；19- glass plate；20- protrudes sealing；21- sealed groove；22- rubber layer.
Specific embodiment
As depicted in figs. 1 and 2, the present embodiment permeation coefficient of permeable concrete test device includes overflow groove 1, measuring cylinder
2, test specimen places container 3 and overflows water accommodating container 4, and 1 side wall of overflow groove is equipped with outlet pipe 6, sets on the outlet pipe 6
There is water outlet metering flowmeter 7；If graduated 2 side wall of the measuring cylinder is equipped with overflow pipe 11, the overflow pipe 11 and institute
State the connection of 2 fluid communication of measuring cylinder；The water inlet end of the measuring cylinder 2 is connect with the water outlet fluid communication of water inlet pipe 8, the survey
The surface of the test specimen placement container 3 is arranged in graduated cylinder 2 and the water outlet of the measuring cylinder 2 and the test specimen place container 3
The connection of water inlet end fluid communication, the test specimen places container 3 and is arranged in the overflow groove 1 and is located at the upper of bar shaped cushion block 5,
The bar shaped cushion block 5 is placed on 1 bottom of overflow groove and the bar shaped cushion block 5 and is provided with infiltration flowing groove；The spilling
The water inlet of water accommodating container 4 is located at immediately below the water outlet of the outlet pipe 6；The water inlet pipe 8 be equipped with water check valve 9 and into
Water metering flowmeter 10；Thermometer 17 is equipped in the measuring cylinder 2；Be cased with rubber test piece set 14 test specimen be placed in it is described
Test specimen is placed in container 3, and the rubber test piece covers 14 lateral walls and test specimen placement 3 inner wall of container is in sealing contact；Institute
It states measuring cylinder 2 to be an integral structure with test specimen placement container 3, and is arranged on the edge-on wall of test specimen placement container 3
There is hermatic door 16.
More than or equal to 2 overflow pipes 11 are axially arranged with along the measuring cylinder 2 on 2 side wall of measuring cylinder, so as to
The overflow pipe 11 of respective heights is opened according to actual needs.Institute's bar shaped cushion block 5 is the bar shaped that upper surface is equipped with raised seamed edge
Cushion block 5 can flow into described overflow from the groove between the adjacent raised seamed edge from the water that concrete sample bottom is oozed out in this way
In sink 1.It is cylinder-shaped or hollowed out prism that the rubber test piece, which covers 14 shapes, is adapted to the examination of different shape concrete in this way
The needs of part test.The test specimen is placed 3 interior space shape of container and is adapted with the shape of rubber test piece set 14, so as to
The rubber test piece covers 14 outer surfaces and the test specimen is placed and forms sealing well between 3 inner wall of container, improves test result
Accuracy.The side wall that the test specimen places container 3 is equipped with test specimen inlet and outlet 15, and the hermatic door 16 is placed with the test specimen
The side wall of container 3 is tightly connected and blocks test specimen inlet and outlet 15.
The hermatic door 16 is made of the rubber sealant 12 of outer layer and the glass plate 19 of internal layer, the rubber sealant 12
Fixation is bonded together between the glass plate 19；Upper edge, left margin and the right of the rubber sealant 12 are along three
One of place the rubber layer 22 that coats on container 3 with the test specimen and be fixedly connected, on the inside of the upper edge of the rubber sealant 12
On surface, on left margin inner surface and the right along inner surface form protrusion sealing 20, in the rubber layer
Position corresponding with the protrusion sealing 20 is provided with sealed groove 21 on 22, and the protrusion sealing 20 and the sealing are recessed
Slot 21 is interference fitted.Since hermatic door 16 is to be fixedly connected by the rubber sealant 12 of outer layer with the rubber layer 22, in this way
Easily the hermatic door 16 can be opened, so that the test specimen for being cased with the rubber test piece set 14 is put into the test specimen
It places in container 3, when closing hermatic door 16, firmly the protrusion sealing 20 is pressed into the sealed groove 21
So that being interference fitted therebetween, thus by 15 closing of test specimen inlet and outlet；It is placed again in the test specimen and covers institute outside container 3
Cuff 13 is stated, so that the hermatic door 16 is pressed in the test specimen inlet and outlet 15, is realized to test specimen inlet and outlet 15
Sealing.
As shown in Figure 1, use when, first by the rubber test piece cover 14 sets on test specimen, then through the test specimen into
Outlet 15 is put into the test specimen and places in container 3, if certain infiltration is locally present between test specimen and rubber test piece set 14
Crack gap then can be used epoxy resin and be sealed, and is then blocked with the hermatic door 16 and seals the test specimen inlet and outlet 15, so
The cuff 13 is respectively covered in the top and bottom that the test specimen places container 3 afterwards, and makes the underlying cuff 13
16 lock ring of hermatic door is placed on 3 side wall of container in the test specimen, then opens the water check valve 9 to the measuring cylinder 2
Interior water filling passes through water inlet metering flowmeter 10 and/or the overflow pipe 11 when there are flowing out in the outlet pipe 6
To adjust inflow.When water outlet metering described in t seconds 7 registration of flowmeter and 10 registration one of water inlet metering flowmeter
Start to measure when cause, with flowmeter 7, the registration is streamflow Q for the water outlet metering in reading t seconds, and reads the measurement
Water-head H in cylinder 2 and in the overflow groove 1, H are accurate to 1mm, with the 17 strict control water temperature T of thermometer in test, so
After be repeated 3 times, pass through following formula calculate 3 coefficients of permeability:
In formula:
ktCoefficient of permeability when water temperature is T DEG C, mm/s；
The water for flowing through pervious concrete in the Q-t time, ml；
The thickness of L- test specimen, mm；
H- head difference, mm；
The cross-sectional area of A- test specimen；
T- time, s.
By the way that the water inlet metering registration of flowmeter 10 and the water outlet metering are compared with the registration of flowmeter 7
Right, when the two is identical, flow that the water in the as described measuring cylinder 2 leaks downwards through test specimen and the water inlet pipe 8 are to described
Flow in measuring cylinder 2 when water filling is identical, and thus eliminating the need artificially judge 6 streamflow of outlet pipe and the overflow pipe 11
Streamflow existing human error when whether stable improves the accuracy of coefficient of permeability measurement.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among still in present patent application scope of protection of the claims.
Claims (8)
1. permeation coefficient of permeable concrete test device, which is characterized in that placed including overflow groove (1), measuring cylinder (2), test specimen
Container (3) and spilling water accommodating container (4), overflow groove (1) side wall are equipped with outlet pipe (6), set on the outlet pipe (6)
There is water outlet metering flowmeter (7)；If the graduated measuring cylinder (2) side wall is equipped with overflow pipe (11), the overflow pipe
(11) it is connect with the measuring cylinder (2) fluid communication；The water inlet end of the measuring cylinder (2) and the water outlet fluid of water inlet pipe (8)
The surface of container (3) and the water outlet of the measuring cylinder (2) are placed in conducting connection, measuring cylinder (2) setting in the test specimen
The water inlet end fluid communication for placing container (3) with the test specimen is held to connect, the test specimen is placed container (3) and is arranged in the spilling water
In slot (1) and it is located at the upper of bar shaped cushion block (5), the bar shaped cushion block (5) is placed on the overflow groove (1) bottom and the bar shaped
Cushion block is provided with infiltration flowing groove on (5)；The water inlet for overflowing water accommodating container (4) is located at going out for the outlet pipe (6)
Immediately below the mouth of a river；The water inlet pipe (8) is equipped with water check valve (9) and water inlet metering with flowmeter (10)；In the measuring cylinder (2)
Equipped with thermometer (17)；The test specimen for being cased with rubber test piece set (14) is placed in the test specimen and places in container (3), and the rubber
Glue specimen sleeve (14) lateral wall and test specimen placement container (3) inner wall are in sealing contact；The measuring cylinder (2) is put with the test specimen
It sets container (3) to be an integral structure, and is provided with hermatic door (16) on the edge-on wall of test specimen placement container (3).
2. permeation coefficient of permeable concrete test device according to claim 1, which is characterized in that the measuring cylinder (2)
More than or equal to 2 overflow pipes (11) are axially arranged with along the measuring cylinder (2) on side wall.
3. permeation coefficient of permeable concrete test device according to claim 2, which is characterized in that institute's bar shaped cushion block (5)
The bar shaped cushion block (5) of raised seamed edge is equipped with for upper surface.
4. permeation coefficient of permeable concrete test device according to claim 3, which is characterized in that the rubber test piece set
(14) shape is cylinder-shaped or hollowed out prism.
5. permeation coefficient of permeable concrete test device according to claim 4, which is characterized in that the test specimen, which is placed, to be held
Device (3) interior space shape is adapted with the shape of the rubber test piece set (14).
6. permeation coefficient of permeable concrete test device according to claim 5, which is characterized in that the test specimen, which is placed, to be held
The side wall of device (3) is equipped with test specimen inlet and outlet (15), and the side wall that the hermatic door (16) and the test specimen place container (3) seals
It connects and blocks test specimen inlet and outlet (15).
7. permeation coefficient of permeable concrete test device according to claim 6, which is characterized in that the hermatic door (16)
It is made of the rubber sealant (12) of outer layer and the glass plate (19) of internal layer, the rubber sealant (12) and the glass plate
(19) fixation is bonded together between；Upper edge, left margin and the right of the rubber sealant (12) are along thrin and institute
It states the rubber layer (22) coated in test specimen placement container (3) to be fixedly connected, table on the inside of the upper edge of the rubber sealant (12)
On face, on left margin inner surface and the right along inner surface form protrusion sealing (20), in the rubber layer
(22) position corresponding with protrusion sealing (20) is provided with sealed groove (21) on, the protrusion sealing (20) and institute
State sealed groove (21) interference fit.
8. permeation coefficient of permeable concrete test device according to claim 7, which is characterized in that the test specimen, which is placed, to be held
Upper end, middle part and the lower end of device (3) are cased with for the cuff by the hermatic door (16) banding at test specimen inlet and outlet (15)
(13)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822068239.9U CN209460101U (en) | 2018-12-10 | 2018-12-10 | Permeation coefficient of permeable concrete test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822068239.9U CN209460101U (en) | 2018-12-10 | 2018-12-10 | Permeation coefficient of permeable concrete test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209460101U true CN209460101U (en) | 2019-10-01 |
Family
ID=68038960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822068239.9U Expired - Fee Related CN209460101U (en) | 2018-12-10 | 2018-12-10 | Permeation coefficient of permeable concrete test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209460101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595642A (en) * | 2020-06-29 | 2021-04-02 | 北京仁创科技集团有限公司 | Water permeability detection device and detection method |
-
2018
- 2018-12-10 CN CN201822068239.9U patent/CN209460101U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595642A (en) * | 2020-06-29 | 2021-04-02 | 北京仁创科技集团有限公司 | Water permeability detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20191001 Termination date: 20201210 |