CN209043769U - A kind of waterproof performance testing device of bituminous pavement - Google Patents
A kind of waterproof performance testing device of bituminous pavement Download PDFInfo
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- CN209043769U CN209043769U CN201821536808.1U CN201821536808U CN209043769U CN 209043769 U CN209043769 U CN 209043769U CN 201821536808 U CN201821536808 U CN 201821536808U CN 209043769 U CN209043769 U CN 209043769U
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- bituminous pavement
- pedestal
- tube
- restocking
- testing device
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Abstract
A kind of waterproof performance testing device of bituminous pavement, it include pedestal, ballast circle, lower through-tube, restocking and graduated cylinder, the pedestal is placed on bituminous pavement, is provided with lower through-tube above the pedestal, the upper end of lower through-tube is connected with restocking, and the lower end of graduated cylinder is sealingly secured in restocking；Ballast circle is placed on the base；The bottom of pedestal is provided with electric heating element, electric heating element is the ring structure around base bottom, and the lower surface of electric heating element is provided centrally with wedge-shaped component, and the tip of wedge-shaped member is arranged downward.Using the waterproof performance testing device of the bituminous pavement of the utility model, by making to soften with the asphalt pavement material of bituminous pavement contact site, the wedge-shaped member of electric heater unit bottom can be inserted in the bituminous pavement of softening, so as to reach very strict sealing effect, it prevents the water in test device from oozing out from contact site, accurate test data can be obtained.
Description
Technical field
The utility model relates to the water test devices of bituminous pavement more particularly to a kind of bituminous pavement water permeability resistance to survey
Trial assembly is set.
Background technique
The existing impervious water test of bituminous pavement is tested using standard water creep appearance, by sealing foundation ring, through certain hydraulic pressure, with
Water is medium, the infiltration coefficient of the bitumen mixture specimen suitable for measuring asphaltic road-mix surface course and roller-compaction.To examine
The permeability performance on road surface and the mix-design of asphalt.
Current infiltration coefficient test has following two: 1, time-consuming for the process of pedestal sealing, and easily dirty easy dirt
Road surface is contaminated, a people to seal, people's timing counts totally two people's operations, not only waste of manpower and also reduces efficiency；2, it is difficult to look for
To a kind of sealing material quickly, environmentally friendly, cementitiousness is strong, often many test sealing effects of appearance are bad, and test result is not
It can reflect truth.Based on this, test should fully consider the raising of sealing effect and testing efficiency.
And existing waterproof experiment test device generallys use close made of rubber components in the sealing structure of pedestal
Then sealing ring is oppressively close to asphalt floor by weight, to achieve the effect that sealing by seal.But asphalt road
There are many fine gaps in face, and this sealing means can not cope with the gap structure of bituminous pavement completely, the result is that often
Cause part water by the gap exudation between sealing ring and bituminous pavement, to cause the inaccuracy of test result.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of bituminous pavement water permeability resistance energy
Test device, can gap between very strict sealed base and bituminous pavement, can obtain more accurately and effectively
Test data.
The purpose of this utility model is implemented with the following technical solutions:
A kind of waterproof performance testing device of bituminous pavement includes pedestal, ballast circle, lower through-tube, restocking and graduated cylinder, institute
It states pedestal to be placed on bituminous pavement, is provided with lower through-tube above the pedestal, the upper end of lower through-tube is connected with restocking, restocking
Middle part is provided with the hole of recess relative to the position of lower through-tube, and internal screw thread is provided in hole, and the lower end of graduated cylinder is provided with external screw thread,
Screw-internal thread fit connection in the hole of the recess of the external screw thread and restocking of graduated cylinder lower end, the lower end of graduated cylinder is sealingly secured to
In frame；Graduation mark is provided on the graduated cylinder；Ballast circle is placed on the base；The bottom of pedestal is provided with electric heating element,
Electric heating element is the ring structure around base bottom, and the lower surface of electric heating element is provided centrally with wedge-shaped component,
The tip of wedge-shaped member is arranged downward.
It is highly preferred that valve is provided on the lower through-tube, to control the on-off of lower through-tube.
It is highly preferred that the pedestal is ring-shaped.
It is highly preferred that the internal diameter of the ballast circle is greater than the internal diameter of pedestal, and it is less than the outer diameter of pedestal.
It is highly preferred that being additionally provided with controller and data line, electric heating element is connect by data line with controller.
Using the waterproof performance testing device of the bituminous pavement of the utility model, electric heating is provided with using in base bottom
Device is constantly increased with the temperature of bituminous pavement contact site by making, reaches the melting temperature of asphalt pavement material, so that connecing
The bituminous pavement of contact portion position softens, and the wedge-shaped member of electric heater unit bottom can be inserted in the bituminous pavement of softening, so as to
Enough reach very strict sealing effect, prevents the water in test device from oozing out from contact site, can accurately be tested
Data.
Detailed description of the invention
Fig. 1 is the front view of the waterproof performance testing device of bituminous pavement of the utility model.
In figure: 1, graduated cylinder；2, restocking；3, it is threadedly coupled；4, lower through-tube；5, valve；6, ballast circle；7, pedestal；8, electricity adds
Thermal part；9, wedge-shaped member；10, data line；11, controller.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
As shown in Figure 1, the utility model provides a kind of waterproof performance testing device of bituminous pavement, it include pedestal 7, pressure
Siderosphere 6, lower through-tube 4, restocking 2 and graduated cylinder 1.Wherein pedestal 7 is placed on the position of bituminous pavement to be tested, and pedestal 7 is one
Ring structure, middle part are anti-funnel-shaped structure, the lower part of anti-funnel-shaped structure towards bituminous pavement, anti-funnel-shaped structure it is upper
Portion is connect with the lower part of lower through-tube 4, and the top of lower through-tube 4 is then connect with restocking 2.Ballast circle 6 be also ring structure, have compared with
Big weight, ballast circle 6 are placed on the top of pedestal 7.For the size of ballast circle 6, it is preferable that the internal diameter of ballast circle 6
Greater than the internal diameter of pedestal 7, but it is less than the outer diameter of pedestal 7, the top of pedestal 7 can be held in this.
The middle part of restocking 2 is provided with a circular recess portion, the position of circular recess is opposite with the top of lower through-tube 4
It answers, is provided with internal thread structure on the side wall of circular recess.It is provided with scale on graduated cylinder 1, in order to read the capacity of water.Graduated cylinder
1 lower end is provided with external screw thread, constitutes threaded connection 3 with the screw-internal thread fit of the recess portion at 2 center of restocking and connect, will measure
It is fixed in restocking 2 to 1 stabilized seal of cylinder.
The waterproof performance testing device of bituminous pavement in the prior art is usually provided with circle sealing in the bottom of pedestal 7
Circle, when pedestal 7 is located on bituminous pavement, by being provided with the ballast circle 6 of big quality in the top of pedestal 7, utilizes entirety
The water cavity that sealing ring is compacted so as to 7 bottom of sealing base by the weight of device, prevents position of the water therein by sealing ring
Set exudation.But sealing ring often uses rubber material, while bituminous pavement be not it is flat and smooth, bituminous pavement is often
There are many tiny gaps to be interconnected, oppresses sealing ring even with big weight to achieve the purpose that sealing, but these are stitched
Gap can not often be separated completely, therefore inevitably have water during the test and ooze out from these fine gaps, finally
The bigger than normal of test result is caused, the data of inaccuracy are obtained.
In view of the above-mentioned problems, the technical program, which is used, is provided with the electric heating of an annular shape in the bottom of pedestal 7
Component 8, the bottom fixed to pedestal 7 of basic centering, is arranged concentrically with pedestal 7.The lower part of electric heating element 8 is additionally provided with
The tip of wedge-shaped member 9, wedge-shaped member 9 is directed towards bituminous pavement.
In order to control the operation of electric heating element 8, it is additionally provided with controller 11 and data line 10, electric heating element 8 passes through
Data line 10 is connect with controller 11, and the operation and temperature conditions of electric heating element 8 are controlled by controller 11.
It is highly preferred that valve 5 is provided on the lower through-tube 4, to control the on-off of lower through-tube 4.
When using the test device, which is placed on the position for needing bituminous pavement to be tested, is checked
Valve 5 is closed, water is then injected in graduated cylinder；Meanwhile controlling electric heating element 8 using controller 11 and starting to work, electric heating
Component 8 constantly heats up, until reaching the temperature of bituminous pavement softening, generally 170-200 degree or so.At this time due to the weight of device
Amount, the especially big weight of ballast circle 6, enable to the tip of wedge-shaped member 9 to be wedged into the asphalt material of softening, and soft
What the asphalt material of change can be bonded very much is attached to the tip two sides of wedge-shaped member 9.Then controller 11 controls electric heating portion
Part 8 powers off, and stops heating, and the bituminous pavement of softening starts slowly to solidify, and the tip of wedge-shaped member 9 is then completely seamless at this time
It is embedded into bituminous pavement.When being cooled to room temperature, the valve 5 on lower through-tube 4 is opened, the water in graduated cylinder 1 is made to be flowed into pedestal 7
Water cavity in, but after the water surface is stablized, the record water surface elevation H1 in graduated cylinder 1 at this time；After being spaced 30MIN, observe in graduated cylinder 1 again
Water surface elevation H2, the infiltration data of the bituminous pavement in related area can be obtained at this time.
Using the waterproof performance testing device of the bituminous pavement of the utility model, electric heating is provided with using in base bottom
Device is constantly increased with the temperature of bituminous pavement contact site by making, reaches the melting temperature of asphalt pavement material, so that connecing
The bituminous pavement of contact portion position softens, and the wedge-shaped member of electric heater unit bottom can be inserted in the bituminous pavement of softening, so as to
Enough reach very strict sealing effect, prevents the water in test device from oozing out from contact site, can accurately be tested
Data.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (5)
- It include pedestal, ballast circle, lower through-tube, restocking and graduated cylinder 1. a kind of waterproof performance testing device of bituminous pavement, it is described Pedestal is placed on bituminous pavement, is provided with lower through-tube above the pedestal, the upper end of lower through-tube is connected with restocking, in restocking Portion is provided with the hole of recess relative to the position of lower through-tube, and internal screw thread is provided in hole, and the lower end of graduated cylinder is provided with external screw thread, amount Screw-internal thread fit in the hole of the recess of the external screw thread and restocking of cylinder lower end connects, and the lower end of graduated cylinder is sealingly secured to restocking In；Graduation mark is provided on the graduated cylinder；Ballast circle is placed on the base；The bottom of pedestal is provided with electric heating element, electricity Heating element is the ring structure around base bottom, the component for being provided centrally with wedge shape of the lower surface of electric heating element, wedge The tip of shape component is arranged downward.
- 2. the waterproof performance testing device of bituminous pavement according to claim 1, which is characterized in that on the lower through-tube It is provided with valve, to control the on-off of lower through-tube.
- 3. the waterproof performance testing device of bituminous pavement according to claim 1, which is characterized in that the pedestal is ring Shape.
- 4. the waterproof performance testing device of bituminous pavement according to claim 3, which is characterized in that the ballast circle Internal diameter is greater than the internal diameter of pedestal, and is less than the outer diameter of pedestal.
- 5. the waterproof performance testing device of bituminous pavement according to claim 1, which is characterized in that be additionally provided with controller And data line, electric heating element are connect by data line with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536808.1U CN209043769U (en) | 2018-09-19 | 2018-09-19 | A kind of waterproof performance testing device of bituminous pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536808.1U CN209043769U (en) | 2018-09-19 | 2018-09-19 | A kind of waterproof performance testing device of bituminous pavement |
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| CN209043769U true CN209043769U (en) | 2019-06-28 |
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| CN201821536808.1U Active CN209043769U (en) | 2018-09-19 | 2018-09-19 | A kind of waterproof performance testing device of bituminous pavement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579434A (en) * | 2019-10-12 | 2019-12-17 | 长安大学 | Asphalt pavement surface texture drainage performance testing device |
| CN111426621A (en) * | 2020-05-07 | 2020-07-17 | 江苏华淼电子科技有限公司 | Asphalt pavement water seepage performance measuring device |
| CN111504878A (en) * | 2020-05-07 | 2020-08-07 | 江苏华淼电子科技有限公司 | Base sealing structure for asphalt pavement water seepage measuring device |
| CN113418853A (en) * | 2021-06-24 | 2021-09-21 | 苏交科集团股份有限公司 | Bridge deck pavement water seepage performance measuring device and working method |
-
2018
- 2018-09-19 CN CN201821536808.1U patent/CN209043769U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579434A (en) * | 2019-10-12 | 2019-12-17 | 长安大学 | Asphalt pavement surface texture drainage performance testing device |
| CN111426621A (en) * | 2020-05-07 | 2020-07-17 | 江苏华淼电子科技有限公司 | Asphalt pavement water seepage performance measuring device |
| CN111504878A (en) * | 2020-05-07 | 2020-08-07 | 江苏华淼电子科技有限公司 | Base sealing structure for asphalt pavement water seepage measuring device |
| CN113418853A (en) * | 2021-06-24 | 2021-09-21 | 苏交科集团股份有限公司 | Bridge deck pavement water seepage performance measuring device and working method |
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