CN206002422U - A kind of bituminous paving permeability performance test device - Google Patents
A kind of bituminous paving permeability performance test device Download PDFInfo
- Publication number
- CN206002422U CN206002422U CN201620748664.0U CN201620748664U CN206002422U CN 206002422 U CN206002422 U CN 206002422U CN 201620748664 U CN201620748664 U CN 201620748664U CN 206002422 U CN206002422 U CN 206002422U
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- CN
- China
- Prior art keywords
- test specimen
- placing trough
- permeability performance
- specimen placing
- bituminous paving
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
This utility model discloses a kind of bituminous paving permeability performance test device, including a test specimen placing trough；Described test specimen placing trough is built-in with steel wire；The top of described test specimen placing trough is additionally provided with a header tank, and described header tank bottom is provided with outlet pipe, and this outlet pipe pipe portion is provided with valve, and bottom is provided with shower nozzle, and this shower nozzle is directed at test specimen placing trough.Pass through in this utility model to place asphalt test piece in test specimen placing trough, header tank, to water filling in test specimen placing trough, the time of observation infiltration, measures bituminous paving permeability performance；And test specimen bottom to be tested can be made to produce interstitial hydraulic pressure by hydraulic control device, in order to probe into the impact that asphalt pavement structure internal voids water pressure produces to infiltration coefficient, hydraulic control device can also change test specimen internal voids water pressure to be tested by pressure size, in order to test the permeability performance of asphalt pavement structure under the conditions of different interstitial hydraulic pressures.
Description
Technical field
This utility model is related to a kind of bituminous paving permeability performance test device, belongs to bituminous paving permeability performance test neck
Domain.
Background technology
At present,《Highway engineering Colophonium and Asphalt Mixture Experiment code》(J052-2011) the mensure side of infiltration coefficient in
Method is with time needed for 500ml drops to 100ml for the water surface as standard, if infiltration overlong time, it would however also be possible to employ 3min leads to
The water yield crossed calculates, and can be used to check the design mixture proportion of asphalt by the infiltration coefficient that the method calculates, is anti-
Reflect indirect indexes of asphalt mixture gradation composition.
But when there is moisture inside asphalt pavement structure, the pore water pressure within asphalt pavement structure is to bituminous paving
Permeability performance can produce large effect, adopts《Highway engineering Colophonium and Asphalt Mixture Experiment code》(J052-2011) in
When the assay method of infiltration coefficient is tested in the pavement structure have water, test data has larger difference and tests
Data is inaccurate.
Based on above reason, this utility model has taken into full account pore water pressure present in pavement structure, for research
The impact to infiltration coefficient for the pore water pressure is significant.
Utility model content
The purpose of this utility model is in view of the shortcomings of the prior art, provides a kind of structure simple, strong operability
Bituminous paving permeability performance test device.
For realizing above-mentioned target, this utility model adopts the following technical scheme that：A kind of bituminous paving permeability performance test
Device, including a test specimen placing trough；Described test specimen placing trough is built-in with steel wire；The top of described test specimen placing trough also sets up
There is a header tank, described header tank bottom is provided with outlet pipe, and this outlet pipe pipe portion is provided with valve, and bottom is provided with shower nozzle,
This shower nozzle is directed at test specimen placing trough.
The bottom of described test specimen placing trough is additionally provided with communicating pipe, and test specimen placing trough is also associated with water by this communicating pipe
Pressure control device；Air compressor machine, air relief valve, positive pressure electromagnetic valve and sealing that described hydraulic control device includes being sequentially connected are held
Device, the bottom of described sealing container, by being connected with test specimen placing trough communicating pipe, this communicating pipe is also equipped with valve；Described
Positive pressure electromagnetic valve is also associated with malleation solid-state relay, and this malleation solid-state relay is also associated with control circuit.
Further, in order that header tank can more smoothly install placement, described header tank is propped up by tripod
Support.
Further, described sealing container is also equipped with pressure gauge and hand-operated valve.
Further, the internal diameter of described test specimen placing trough is 151mm, a diameter of 150mm of test specimen to be tested, to be tested
Test specimen pass through fluid sealant by it clearance seal and test specimen placing trough cell wall between.
Further, described header tank and sealing container are transparent material and make, and both are respectively marked with scale.
Beneficial effect：This utility model is compared to traditional structural advantages：By putting in test specimen in this utility model
Put groove and place asphalt test piece, header tank, to water filling in test specimen placing trough, the time of observation infiltration, measures bituminous paving seepage of water
Energy；And test specimen bottom to be tested can be made to produce interstitial hydraulic pressure by hydraulic control device, in order to probe into bituminous paving knot
The impact that structure internal voids water pressure produces to infiltration coefficient, hydraulic control device can also be changed to be tested by pressure size
Test specimen internal voids water pressure, in order to test the permeability performance of asphalt pavement structure under the conditions of different interstitial hydraulic pressures.
Brief description
Fig. 1 is this utility model structural representation；
Wherein, 1- test specimen placing trough, 2- steel wire, 3- header tank, 4- outlet pipe, 5- valve, 6- shower nozzle, 7- communicating pipe, 8-
Air compressor machine, 9- air relief valve, the positive pressure electromagnetic valve of 10-, 11- sealing container, 12- malleation solid-state relay, 13- control circuit, 14- tri-
Corner bracket, 15- pressure gauge, 16- hand-operated valve, 17- test specimen to be tested.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with this utility model, the present embodiment is with this utility model
Implemented under premised on technical scheme it should be understood that these embodiments are merely to illustrate this utility model rather than limit this reality
With new scope.
As shown in figure 1, a kind of bituminous paving permeability performance test device, including a test specimen placing trough 1；Described test specimen is put
Put groove 1 and be built-in with steel wire 2；The top of described test specimen placing trough 1 is additionally provided with a header tank 3, the setting of described header tank 3 bottom
There is outlet pipe 4, this outlet pipe 4 pipe portion is provided with valve 5, and bottom is provided with shower nozzle 6, this shower nozzle 6 is directed at test specimen placing trough 1.
The bottom of test specimen placing trough 1 is additionally provided with communicating pipe 7, and test specimen placing trough 1 is by being also associated with hydraulic pressure this communicating pipe 7
Control device；Air compressor machine 8, air relief valve 9, positive pressure electromagnetic valve 10 and sealing that described hydraulic control device includes being sequentially connected are held
Device 11, the bottom of described sealing container 11, by being connected with test specimen placing trough 1 communicating pipe 7, this communicating pipe 11 is also equipped with
Valve 5；Described positive pressure electromagnetic valve 10 is also associated with malleation solid-state relay 12, and this malleation solid-state relay 12 is also associated with controlling
Circuit 13；Pressure gauge 15 and hand-operated valve 16 are also equipped with described sealing container 11
In order that header tank 3 can more smoothly install placement, described header tank 3 is supported by tripod 14；Examination
The internal diameter of part placing trough 1 is 151mm, a diameter of 150mm of test specimen to be tested, and test specimen to be tested passes through fluid sealant by itself and test specimen
Clearance seal between placing trough 1 cell wall；Header tank 3 and sealing container 11 are transparent material and make, and both are respectively marked with quarter
Degree.
This utility model adopts rotary compactor molding bitumen mixture specimen when being tested, in Colophonium mixing
The surrounding of material test specimen coats fluid sealant, puts in test specimen placing trough, using fluid sealant by between test specimen to be measured and test specimen placing trough
Interval sealing, the outlet pipe using header tank is recorded as V1 in bitumen mixture specimen surface water-spraying amount, and the volume of water is led to
Cross level scale in header tank to determine, the time of oozing under record moisture is whole is T1, then infiltration coefficient C=V1/T1.
Water in test specimen placing trough is removed clean when re-starting experiment, and the valve of communicating pipe is opened,
Connect the power supply connecting the malleation solid-state relay, control circuit and air compressor machine that control positive pressure electromagnetic valve this when, pass through
Air relief valve controls the pressure in hermetic container, and pressure gauge shows the pressure value P 1 in hermetic container, in this control pressurer system
Under effect, test specimen bottom to be measured can produce pore water pressure, and the time of oozing under now test specimen to be measured is when the water yield is for V1 is T2, this
When infiltration coefficient be C2=V1/T2, hydraulic pressure in hermetic container is different, and infiltration coefficient value is as well as change.Therefore, pass through
This device can test permeability performance under different aperture effect of water pressure for the bitumen mixture specimen.
Above-mentioned specific embodiment is a preferred embodiment of the present utility model, is not new for limiting this practicality
The enforcement of type and right, it is equivalent that the content described in all foundation this utility model patent protection scopes is made
Change and modification, all should be included in this utility model patent claim.
Claims (5)
1. a kind of bituminous paving permeability performance test device it is characterised in that：Including a test specimen placing trough（1）；Described test specimen
Placing trough（1）It is built-in with steel wire（2）；Described test specimen placing trough（1）Top be additionally provided with a header tank（3）, described catchment
Case（3）Bottom is provided with outlet pipe（4）, this outlet pipe（4）Pipe portion is provided with valve（5）, bottom is provided with shower nozzle（6）, this spray
Head（6）Be aligned test specimen placing trough（1）；
Described test specimen placing trough（1）Bottom be additionally provided with communicating pipe（7）, test specimen placing trough（1）By this communicating pipe（7）Also
It is connected with hydraulic control device；Described hydraulic control device includes the air compressor machine being sequentially connected（8）, air relief valve（9）, positive piezoelectricity
Magnet valve（10）And sealing container（11）, described sealing container（11）Bottom pass through communicating pipe（7）With test specimen placing trough（1）Phase
Even, this communicating pipe（11）On be also equipped with valve（5）；Described positive pressure electromagnetic valve（10）It is also associated with malleation solid-state relay
（12）, this malleation solid-state relay（12）It is also associated with control circuit（13）.
2. according to claim 1 a kind of bituminous paving permeability performance test device it is characterised in that：Described header tank
（3）By tripod（14）Support.
3. according to claim 1 a kind of bituminous paving permeability performance test device it is characterised in that：Described sealing container
（11）On be also equipped with pressure gauge（15）And hand-operated valve（16）.
4. according to claim 1 a kind of bituminous paving permeability performance test device it is characterised in that：Described test specimen is placed
Groove（1）Internal diameter be 151mm, a diameter of 150mm of test specimen to be tested, test specimen to be tested is passed through fluid sealant and is placed it with test specimen
Groove（1）Clearance seal between cell wall.
5. according to claim 1 a kind of bituminous paving permeability performance test device it is characterised in that：Described header tank
（3）And sealing container（11）It is transparent material to make, and both are respectively marked with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620748664.0U CN206002422U (en) | 2016-07-15 | 2016-07-15 | A kind of bituminous paving permeability performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620748664.0U CN206002422U (en) | 2016-07-15 | 2016-07-15 | A kind of bituminous paving permeability performance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002422U true CN206002422U (en) | 2017-03-08 |
Family
ID=58201105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620748664.0U Expired - Fee Related CN206002422U (en) | 2016-07-15 | 2016-07-15 | A kind of bituminous paving permeability performance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206002422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231267A (en) * | 2019-03-28 | 2019-09-13 | 广州珠江黄埔大桥建设有限公司 | A kind of device and method of indoor test drainage type asphalt drainage performance |
| CN115031889A (en) * | 2022-04-21 | 2022-09-09 | 中国公路工程咨询集团有限公司 | Pore water pressure monitoring method and device, electronic equipment and storage medium |
-
2016
- 2016-07-15 CN CN201620748664.0U patent/CN206002422U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231267A (en) * | 2019-03-28 | 2019-09-13 | 广州珠江黄埔大桥建设有限公司 | A kind of device and method of indoor test drainage type asphalt drainage performance |
| CN115031889A (en) * | 2022-04-21 | 2022-09-09 | 中国公路工程咨询集团有限公司 | Pore water pressure monitoring method and device, electronic equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20190715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |