CN201828491U - Sensitivity test equipment for water damage of bituminous pavement - Google Patents
Sensitivity test equipment for water damage of bituminous pavement Download PDFInfo
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- CN201828491U CN201828491U CN2010205345797U CN201020534579U CN201828491U CN 201828491 U CN201828491 U CN 201828491U CN 2010205345797 U CN2010205345797 U CN 2010205345797U CN 201020534579 U CN201020534579 U CN 201020534579U CN 201828491 U CN201828491 U CN 201828491U
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- beaker
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- pipe
- limbers
- flowing hole
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Abstract
The utility model relates to sensitivity test equipment for water damage of a bituminous pavement, which is characterized in that a support is provided with a circular pipe and a heating furnace; the heating furnace is provided with a glycerin bath container that is internally provided with a beaker support on which a beaker is arranged; the circular pipe is at least provided with two water passing hole sieves internally; the right side of the circular pipe is communicated into the beaker sequentially by an adjusting valve, a miniature water pump and a first filter, wherein the adjusting valve and the miniature water pump are arranged on a pipeline; the left side of the circular pipe is communicated into the beaker by a second filter arranged on the pipeline; a first thermometer is arranged in the beaker; and a second thermometer is arranged in the glycerin bath container. The test equipment can maintain the temperature of purified water in the whole experimental period to be basically constant, thus being capable of not only overcoming the uncertainty of boiling under the state of slight boiling, but also compensating the sluicing effect lacked in a water immersion method, having simple structure, being simple and easy in operation, and having less influence by anthropic factors on the testing effect.
Description
Technical field
The utility model belongs to the selection of asphalt road surface material, evaluation test equipment technical field, is specifically related to the bad sensitivity tests equipment of a kind of bituminous pavement damage by water.
Background technology
In recent years, the highway in China career development was swift and violent, High Grade Bitumen Pavement particularly, and annual newly-built high grade pavement is bituminous pavement more than 90%.When building at a high speed, a series of problems have also appearred in succession, and the bituminous pavement damage by water is bad to be relatively distinct issues of wherein a kind of performance.The domestic and international at present anti-water damage for asphalt has several evaluation methods and equipment, estimate pitch and the adhering water-boiling method of coarse aggregate because of operating easy being used directly perceived more, when adopting water-boiling method test pitch and coarse aggregate adhesiveness, according to the regulation in " JTJ-052-2000 highway engineering pitch and asphalt testing regulations " " ... water keeps slight boiling condition; but do not allow the foam that boils out ", the boiling degree direct influence of water the experiment result as can be known, and the understanding of the slight boiling condition of water is varied with each individual, therefore influenced by human factor bigger for test findings, there is the unmanageable defective of test condition, simultaneously, water-boiling method has only been checked the adhesiveness of particle diameter greater than coarse aggregate and the pitch of 13.2mm, has the fine aggregate of significant proportion not test in asphalt.
To the particulate formula bituminous concrete of coarse aggregate maximum particle diameter less than 13.2mm, China's testing regulations regulation adopts water seaoning to detect the adhesiveness of coarse aggregate and pitch.Compare with water-boiling method, the water seaoning temperature constant does not have human factor, but water remains static in testing process, lacks the sluicing effect, needs to prolong detection time and remedies this deficiency.
At above-mentioned present situation, need a kind of bad sensitivity tests equipment of asphalt damage by water that can overcome the sluicing effect that lacks in the uncertain and additional water seaoning of water-boiling method " little boiling " state of development.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiency of said method, provides a kind of simple in structure, easy to operate, test result to be subjected to human factor to influence the bad sensitivity tests equipment of little bituminous pavement damage by water.
Solving the problems of the technologies described above the technical scheme that is adopted is: pipe and heating furnace are set on bearing, the glycerol bath container of beaker bearing is installed in being provided with on the heating furnace, the beaker bearing is provided with beaker, at least be provided with two water flowing hole sizers in the pipe, the pipe right side is provided with successively by being installed in variable valve on the pipeline and micro pump and first filtrator and the beaker and links, link in second filtrator that the passing on left of pipe is installed on the pipeline and the beaker, be provided with first thermometer in the beaker, be provided with second thermometer in the glycerol bath container.
The limbers that it is 0.3～0.5cm that the center of water flowing hole sizer of the present utility model is processed with 1 aperture, being processed with 2 circle apertures on the surface of water flowing hole sizer at least is the limbers of 0.3～0.5cm.
A lip-deep circle limbers of water flowing hole sizer of the present utility model and an adjacent circle limbers are radially arranged or are staggered.
Pipe of the present utility model is made of left and right two sections pipe connections, respectively is provided with the card article of 4 projectioies on the inwall at two ends, pipe connection place.
The utility model heats glycerol bath with heating furnace, with the glycerol bath container beaker is carried out comprehensive even heating and give birth to a large amount of boiling bubbles in case manage property, and can be incubated pure water in the beaker, two water flowing hole sizers are set in transparent pipe, control is gathered materials between two water flowing hole sizers, wash away gathering materials by micro pump simulated roadway waterpower, make test result more accurate, testing apparatus of the present utility model can keep the water temperature substantially constant of pure water in whole experimental period, can overcome the uncertainty of water-boiling method " little boiling " state, can replenish the sluicing effect that lacks in the water seaoning again, simple in structure, operate simple and easyly, influenced by human factor less for the test effect.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of pipe 1 among Fig. 1.
Fig. 3 is the A-A cut-open view of Fig. 2.
Fig. 4 is the B-B cut-open view of Fig. 2.
Fig. 5 is the structural representation of water flowing hole sizer 15 among Fig. 1.
Fig. 6 is the structural representation of the water flowing hole sizer 15 of the utility model embodiment 2.
Embodiment
Below in conjunction with accompanying drawing and each embodiment the utility model is further described, but the utility model is not limited to these embodiment.
In Fig. 1, the bad sensitivity tests equipment of the bituminous pavement damage by water of present embodiment is made of pipe 1, bearing 2, variable valve 3, micro pump 4, first filtrator 5, right rubber tube 6, heating furnace 7, beaker bearing 8, glycerol bath container 9, beaker 10, first thermometer 11, second thermometer 12, left rubber tube 13, second filtrator 14,15 connections of water flowing hole sizer.
Pipe 1 is installed on bearing 2, and bearing 2 can make pipe 1 keep stable under hydraulic action.The left side of pipe 1, right two ends respectively are connected with rubber tube, in the present embodiment, the right side of pipe 1 is a water inlet end, the left side is the water side, be connected and installed with variable valve 3 on the right rubber tube 6 that pipe 1 right side connects, variable valve 3 mainly works to regulate the current size, the right-hand member of right rubber tube 6 adjusted valves 3 is connected and installed with micro pump 4, micro pump 4 is power resources of whole hydraulic system in the utility model, adopt the water pump of different capacity can obtain different flows, to satisfy different testing requirementss, can also change the direction of sluicing by the direction of change micro pump 4.The right-hand member of micro pump 4 is connected and installed with first filtrator 5 on the right rubber tube 6, first filtrator 5 is installed on the water inlet port of micro pump 4, first filtrator 5 is used to prevent that impurity from entering in the micro pump 4 with anti-tamper micro pump 4, fill beaker 10 bottoms of pure water in the free end of right rubber tube 6 extends, constitute the first half water route of whole hydraulic system in the present embodiment.On the left rubber tube 13 that links with pipe 1 left side second filtrator 14 is installed, the free end of left side rubber tube 13 extends the bottom of beaker 10, constitute the latter half water route of the whole hydraulic system of present embodiment, it is not blocked that second filtrator 14 is used to filter the pitch, the left rubber tube 13 of assurance that peel off, and first half water route and latter half water route constitute the waterpower closed circuit of present embodiment.Right rubber tube 6 in the present embodiment, left rubber tube 13 are an embodiment of pipeline, also can adopt plastic tube or metallic conduit.
Be placed with glycerol bath container 9 on the heating furnace 7, in the glycerol bath container 9 glycerine be housed, be placed with beaker bearing 8 in the glycerol bath container 9, be placed with beaker 10 on the beaker bearing 8, in the beaker 10 pure water is housed.In beaker 10, be placed with first thermometer 11 that extend into below the pure water liquid level, the water temperature that first thermometer 11 is used for observation experiment when beginning, in glycerol bath container 9, be mounted with and stretch to second thermometer 12 below the glycerine liquid level in the glycerol bath container 9, thereby second thermometer 12 is used to observe the monitoring of the temperature realization of glycerol bath to firing rate.
In Fig. 2,3,4, the pipe 1 of present embodiment is divided into left and right two sections, and left and right two sections of pipe 1 link by screw thread, the pipe 1 of this structure, and convenient disassembly can load easily and wrap up in gathering materials of attached pitch.On the inwall of both sides, pipe 1 thread connection place, be processed with the card article 1-1 of 4 projectioies respectively, two water flowing hole sizers 15 of fixed interval on pipe 1 interior 4 card article 1-1, water flowing hole sizer 15 be used to limit wrap up in attached pitch gather materials by, two water flowing hole sizers 15 will be wrapped up in and be limited in gathering materials of attached pitch between two water flowing hole sizers 15, be about to wrap up in the laminar flow scope that is controlled at current gathering materials of attached pitch, make to wrap up in and gathering materials of attached pitch accept hydraulic impact uniformly all the time, the current after the heating are wrapped up in by 15 pairs of water flowing hole sizers and gathering materials of attached pitch are carried out impact peel.
In Fig. 5, the radius R of the water flowing hole sizer 15 of present embodiment is 2.5cm, the center pit that it is 0.5cm that the center of water flowing hole sizer 15 is processed with an aperture, on water flowing hole sizer 15 surfaces radially equi-spaced apart processing 2 circle apertures be the limbers of 0.5cm, the uniform setting of limbers circumference in equal parts of each circle, a circle limbers and an adjacent circle limbers also can be staggered.Water flowing hole sizer 15 is also realized the restriction of gathering materials of particle diameter more than 13.2mm (containing 13.2mm) through the certain water pressure of out-of-date formation at current.
To carry out gathering materials behind the impact peel by the utility model according to table 1 evaluation pitch and the adhesiveness grade of gathering materials:
Table 1. pitch and the adhesiveness grade of gathering materials
| Asphalt membrane peels off situation on the building stones surface, test back | The adhesiveness grade |
| Asphalt membrane is preserved fully, peels off the area percent and approaches 0 | 5 |
| The few portion of asphalt membrane is moved by water, and is in uneven thickness, peels off the area percent and is less than 10% | 4 |
| Asphalt membrane is local significantly to be moved by water, is retained in substantially on the building stones surface, peels off the area percent and is less than 30% | 3 |
| Asphalt membrane is most of to be moved by water, and the part is retained on the building stones surface, peels off the area percent greater than 30% | 2 |
| Asphalt membrane is entirely water and moves, and building stones are exposed substantially, and asphalt membrane is peeled off substantially fully | 1 |
As shown in Figure 6, in the present embodiment, the limbers that it is 0.3cm that the center of water flowing hole sizer 15 is processed with an aperture, on water flowing hole sizer 15 surfaces radially equi-spaced apart processing 4 circle apertures be the limbers of 0.3cm, the uniform setting of limbers circumference in equal parts of each circle, a circle limbers and an adjacent circle limbers also can be staggered.The connecting relation of other parts and parts is identical with embodiment 1.
Embodiment 3
As shown in Figure 6, in the present embodiment, the limbers that it is 0.4cm that the center of water flowing hole sizer 15 is processed with an aperture, on water flowing hole sizer 15 surfaces radially equi-spaced apart processing 3 circle apertures be the limbers of 0.4cm, the uniform setting of limbers circumference in equal parts of each circle, a circle limbers and an adjacent circle limbers also can be staggered.The connecting relation of other parts and parts is identical with embodiment 1.
Compared with the prior art the utility model has the following advantages:
(1) simple in structure, operate simple and easy, the test effect be affected by human factors littler.
(2) water temperature is controlled, by glycerol bath can realize slowly, homogeneous heating, overcome the point effect of walls of beaker, guarantee that water temperature is unanimous between the higher and lower levels in the beaker 10, do not produce a large amount of boiling bubbles; Simultaneously, use the two temperature meter not only can control firing rate, can also control water temperature, water temperature can be stablized remain on water seaoning required 80 ℃ or the required slight boiling condition of water-boiling method.
(3) thus can realize the effect of hot water circuit simulated roadway sluicing by micro pump 4, having remedied water seaoning does not have the deficiency of sluicing effect, strengthened the sluicing effect of existing water-boiling method, and the current size can by control valve 3 controls, can make whole test process equalization stable.
(4) applied widely, by selecting the water flowing hole sizer 15 of different pore size, can realize restriction that different-grain diameter is gathered materials, widened the test specification of aggregate size, overcome the boundary of the selected coarse aggregate 13.2mm of existing water-boiling method and water seaoning, can realize that particle diameter is from minimum 4.75mm to the arbitrarily test of particle diameter the maximum 37.5mm.
Claims (4)
1. bad sensitivity tests equipment of bituminous pavement damage by water, it is characterized in that: pipe (1) and heating furnace (7) are set on bearing (2), the glycerol bath container (9) of beaker bearing (8) is installed in being provided with on the heating furnace (7), beaker bearing (8) is provided with beaker (10), at least be provided with two water flowing hole sizers (15) in the pipe (1), pipe (1) right side is provided with successively by being installed in variable valve (3) on the pipeline and micro pump (4) and first filtrator (5) and the beaker (10) and links, link in second filtrator (14) that the passing on left of pipe (1) is installed on the pipeline and the beaker (10), be provided with first thermometer (11) in the beaker (10), be provided with second thermometer (12) in the glycerol bath container (9).
2. the bad sensitivity tests equipment of bituminous pavement damage by water according to claim 1, it is characterized in that: the limbers that it is 0.3～0.5cm that the center of said water flowing hole sizer (15) is processed with 1 aperture, being processed with 2 circle apertures on the surface of water flowing hole sizer (15) at least is the limbers of 0.3～0.5cm.
3. the bad sensitivity tests equipment of bituminous pavement damage by water according to claim 2 is characterized in that: a lip-deep circle limbers of said water flowing hole sizer (15) and an adjacent circle limbers are radially arranged or are staggered.
4. the bad sensitivity tests equipment of bituminous pavement damage by water according to claim 1 and 2 is characterized in that: said pipe (1) is made of left and right two sections pipe connections, respectively is provided with the card article (1-1) of 4 projectioies on the inwall at pipe (1) two ends, connection place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205345797U CN201828491U (en) | 2010-09-17 | 2010-09-17 | Sensitivity test equipment for water damage of bituminous pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205345797U CN201828491U (en) | 2010-09-17 | 2010-09-17 | Sensitivity test equipment for water damage of bituminous pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201828491U true CN201828491U (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205345797U Expired - Fee Related CN201828491U (en) | 2010-09-17 | 2010-09-17 | Sensitivity test equipment for water damage of bituminous pavement |
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| Country | Link |
|---|---|
| CN (1) | CN201828491U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519836A (en) * | 2011-12-15 | 2012-06-27 | 长安大学 | Device for testing adhesion between asphalt and aggregate |
| CN105910948A (en) * | 2016-04-13 | 2016-08-31 | 湖南云中再生科技股份有限公司 | Apparatus for testing evaporation residual amount of emulsified asphalt |
| CN112630099A (en) * | 2021-01-28 | 2021-04-09 | 山东港湾建设集团有限公司 | Mortar cohesiveness detection device and detection method thereof |
-
2010
- 2010-09-17 CN CN2010205345797U patent/CN201828491U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519836A (en) * | 2011-12-15 | 2012-06-27 | 长安大学 | Device for testing adhesion between asphalt and aggregate |
| CN102519836B (en) * | 2011-12-15 | 2013-11-20 | 长安大学 | Device for testing adhesion between asphalt and aggregate |
| CN105910948A (en) * | 2016-04-13 | 2016-08-31 | 湖南云中再生科技股份有限公司 | Apparatus for testing evaporation residual amount of emulsified asphalt |
| CN112630099A (en) * | 2021-01-28 | 2021-04-09 | 山东港湾建设集团有限公司 | Mortar cohesiveness detection device and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20110917 |