CN206787891U - A kind of road asphalt degradation mould - Google Patents
A kind of road asphalt degradation mould Download PDFInfo
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- CN206787891U CN206787891U CN201621430937.3U CN201621430937U CN206787891U CN 206787891 U CN206787891 U CN 206787891U CN 201621430937 U CN201621430937 U CN 201621430937U CN 206787891 U CN206787891 U CN 206787891U
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- bottom plate
- road asphalt
- asphalt degradation
- mould according
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Abstract
A kind of road asphalt degradation mould, including bottom plate, it is arranged at the fixed side of side on bottom plate, the mobile side board of opposite side and fixed screw, described mobile side board is located at the offside of described fixed side, described handle is arranged on described bottom plate, and described fixed screw is used to be fixedly connected with mobile side board and bottom plate.Road asphalt degradation mould of the present utility model can make heated bitumen sample not excessive, and with simple in construction, be easy to use, it is easy to clean after off-test the characteristics of.
Description
Technical field
Highway engineering asphalt material aging research field is the utility model is related to, more particularly to a kind of asphalt material is old
Change mould.
Background technology
Asphalt has the characteristics such as good cohesiveness, impermeability, insulating properties, therefore is widely used in highway work
Journey.But asphalt can undergo the effect of heat, air, rainwater and light etc. during storage, transport, construction and use,
Cause a series of physics, chemical change occurs, so as to cause pitch to be hardened, become fragile, the needle penetration for being embodied in pitch becomes
Small, softening point rise, ductility reduction, viscosity increase, brittle point rise etc., cause Asphalt Pavement Cracking, stripping of aggregate etc. old
Change phenomenon, it is impossible to continue to play its original service life cohered and sealing function, shorten bituminous paving.Therefore, to drip
It is significant that green material ageing properties carry out overall merit.
At present widely used asphalt material ageing testing equipment mainly have test for asphalt evaporation loss case, thin film oven,
Rotary thin film in drying oven, pressure aging vessel PAV chamber, ultraviolet (UV) aging test chamber.And these chambers prepare the mould of test specimen only
There are two kinds, first, the vial of cylinder, second, cylindrical metal pallet, the test specimen thus prepared is not suitable for simulation pitch material
Expect the aging conditions of rainy day.
In existing technology relevant with ageing of asphalt test specimen, CN202903704U discloses a kind of pitch thermal aging test and used
Pitch apparatus for placing, it include tubular pitch injection container and plate-like ageing of asphalt container, the floor space of disc shaped container
It is larger, make the asphalt membrane to be formed thinner；By adjust ageing tank bottom arrangement for adjusting height and outflow valve, make pitch from
The position outflow of concentration, is easy to the collection of sample.Its pitch holder is only suitable for carrying out the thermal aging test of pitch, and round-the-clock
Degradation does not only have aging at temperature, also water aging and light aging, and pitch holder mentioned above is not suitable for water aging
Degradation.
Utility model content
For deficiency of the prior art, the technical problems to be solved in the utility model is to provide a kind of road asphalt whole day
Wait aging mould, to ensure that the round-the-clock ageing process of lab simulation is close with the natural aging condition of asphalt material, test specimen thickness
Degree is uniform, and sample collection is convenient after the completion of experiment.
To achieve these goals, the round-the-clock aging mould of road asphalt provided by the utility model and test material preparation use
Following technical scheme is achieved.
A kind of road asphalt degradation mould, including bottom plate, it is arranged at the fixed side of side on bottom plate, opposite side
Mobile side board and fixed screw, described mobile side board are located at the offside of described fixed side, and described handle is arranged at institute
On the bottom plate stated, described fixed screw is used to be fixedly connected with mobile side board and bottom plate.
Road asphalt degradation mould provided by the utility model is used to prepare road asphalt degradation test specimen.Road
The preparation process of ageing of asphalt test specimen is to assemble road asphalt degradation mould, weighs bitumen samples and is heated to flow
Dynamic state, the bitumen samples that would be heated to flow regime are poured in the aging mould assembled, then will fill bitumen samples
Assembly jig, which is lain in a horizontal plane on oscillator, to be vibrated, and sample is formed uniform film on the bottom plate of mould.
Road asphalt degradation mould provided by the utility model has the beneficial effect that：
Road asphalt degradation mould of the present utility model can make heated bitumen sample not excessive, and work as aging test specimen system
Two mobile side boards are disassembled after the completion of standby, the aging scene of enable test specimen simulated roadway pitch experience rainy day well；Phase
Handle on adjacent two fixed sides is easy to the carrying of mould to shift, and the guiding gutter between two neighboring fixed side is easy to aging to try
The collection of sample after the completion of testing.In addition, round-the-clock aging mould structure of the present utility model is simple, is easy to use, and
It is easy to clean after off-test.
Brief description of the drawings
Fig. 1 is the top view of road asphalt degradation mould；
Fig. 2 is mobile side board side view；
Fig. 3 is fixed side side view.
Wherein：1- guiding gutters, 2- handles, 3- fixed screws, 4- mobile side boards, 5- fixed sides, 6- bottom plates.
Embodiment
Below to the embodiment of detailed description road asphalt degradation mould provided by the utility model.
A kind of road asphalt degradation mould, including bottom plate, it is arranged at the fixed side of side on bottom plate, opposite side
Mobile side board and fixed screw, described mobile side board are located at the offside of described fixed side, and described handle is arranged at institute
On the bottom plate stated, described fixed screw is used to be fixedly connected with mobile side board and bottom plate.
In road asphalt degradation mould provided by the utility model, described bottom plate is circular or square, preferably
Ground, described bottom plate are square floor.
Preferably, described bottom plate side sets two handles.
Preferably, described bottom plate half sets fixed side, and second half sets mobile side board, and two handles are arranged on solid
Determine the side of side plate side bottom plate.
In road asphalt degradation mould provided by the utility model, on the side of described bottom plate installation activity side plate
Respectively there are at least two screw holes, relevant position also is provided with screw hole on two pieces of mobile side boards.
In road asphalt degradation mould provided by the utility model, it is preferable that described bottom plate is cuboid, described
One end of fixed side be regular rectangle, the other end is carries the arc of certain radian laterally, one with arc
End is respectively positioned on two adjacent fixed side junctions, and can form guiding gutter.
Preferably, the described both sides with fixed side are the adjacent both sides of square floor, and two handles distinguish position
In the outside of two fixed sides, two mobile side boards are fixed using screw with bottom plate.
Preferably, the length to height ratio of described fixed side is 10~20 ︰ 1.Described mobile side board is cuboid, and it grows tall
Than for 10~20 ︰ 1.
Road asphalt degradation mould provided by the utility model is used to prepare road asphalt degradation test specimen.Road
In use, road asphalt degradation mould is assembled for ageing of asphalt mould, is weighed bitumen samples and is heated to flow
Dynamic state, the bitumen samples that would be heated to flow regime are poured in the aging mould assembled, then will fill bitumen samples
Assembly jig, which is lain in a horizontal plane on oscillator, to be vibrated, and sample is formed uniform film on the bottom plate of mould.
Road asphalt aging mould provided by the utility model in use, fills the assembly jig water of bitumen samples
Placing flat on the oscillator, carries spirit level on oscillator, can be made by adjusting the adjusting knob of oscillator corner on oscillator
The supporting plate of side reaches horizontal.
In use, described oscillator also there is road asphalt aging mould provided by the utility model heating to protect
Temperature function.The temperature range of insulation is 80 DEG C -180 DEG C.
Illustrate the structure of road asphalt degradation mould provided by the utility model referring to the drawings.
Accompanying drawing 1 is the top view of road asphalt degradation mould, as seen from Figure 1, road asphalt degradation mould, bag
Include bottom plate 6, be arranged at 5, two mobile side boards 4 of fixed side and fixed screw 3 on adjacent both sides on bottom plate 6, described activity
Side plate 4 is located at the offside of described fixed side 5, and described handle 2 is arranged on described bottom plate 6, described fixed screw 3
For connecting mobile side board 4 and bottom plate 6.
Accompanying drawing 2 is mobile side board side view, from accompanying drawing 2, sets two fixed screws 3 on mobile side board 4, side is
Guiding gutter 1.
Accompanying drawing 3 is fixed side side view.From accompanying drawing 3, handle 2, one end and mobile side board are set on fixed side 5
4 assemblings, the other end is guiding gutter 1.
Illustrate road asphalt degradation mold use method provided by the utility model by the following examples and answer
With effect, but this use it is new therefore not any way limited.
Embodiment
As shown in Figure 1, aging die bottom plate be length of side 200mm square, thickness 5mm；One mobile side board is
Long 201mm × wide 15mm × thick 1mm, a mobile side board are long 202mm × wide 15mm × thick 1mm；Each fixed side is kept flat
When its shaded area be long 300mm × wide 15mm rectangle, the thickness of the regular side of fixed side is 1mm；Away from bottom plate
Start to be bent to form a guiding gutter at 50mm in the long side of side, in the centre position of fixed side width, the centre of length
There is a long 50mm traverse handle position.One layer of interleaving agent is thinly smeared in the inner side of two mobile side boards, according to Fig. 1
The shown assembling for carrying out aging mould.
The aging mould that assembles first preheats 10min being preheating in 120 DEG C of baking oven, is placed on after taking-up on electronic scale simultaneously
Reset, weigh the AH-90 bitumen samples 70g for being heated to flowable state；The assembly jig for filling bitumen samples is transferred to as early as possible
It is preheating on 145 DEG C of horizontal oscillator tube flat board, startup oscillator vibration button, closes oscillator vibration button after 5min and add
Hot button；After room temperature is cooled to, the mobile side board of assembly jig is removed, now test specimen can be used for progress road asphalt round-the-clock
Aging simulation is tested.
After the completion of degradation, take out aging mould, with hold handle both hands control die bottom plate obliquity and
Angle, aged samples is flowed into the collector of sample from guiding gutter, carry out follow-up property analysis.
Claims (9)
1. a kind of road asphalt degradation mould, it is characterised in that including bottom plate, be arranged at the affixed side of side on bottom plate
The mobile side board and fixed screw of plate, opposite side, described mobile side board are located at the offside of described fixed side, and handle is set
In on described bottom plate, described fixed screw is used to be fixedly connected with mobile side board and bottom plate.
2. road asphalt degradation mould according to claim 1, it is characterised in that described bottom plate is horizontal positioned
Square or circular flat board.
3. road asphalt degradation mould according to claim 2, it is characterised in that described bottom plate sets affixed side
The side of plate sets two handles.
4. road asphalt degradation mould according to claim 3, it is characterised in that described bottom plate installation activity side
The side of plate is provided with least two screw holes, and relevant position also is provided with screw hole on mobile side board.
5. road asphalt degradation mould according to claim 3, it is characterised in that described bottom plate is flat for square
Plate, adjacent both sides set fixed side on described bottom plate, are oppositely arranged two pieces of mobile side boards, two handles are arranged on affixed side
On the bottom plate of plate side.
6. road asphalt degradation mould according to claim 5, it is characterised in that described bottom plate installation activity side
The side of plate is provided with least two screw holes, and relevant position also is provided with screw hole on mobile side board.
7. road asphalt degradation mould according to claim 5, it is characterised in that described fixed side is rectangular
Body, one end of described fixed side is regular rectangle, and the other end is carries the arc of certain radian laterally, with arc
One end of shape is located at two adjacent fixed side junctions and forms guiding gutter.
8. road asphalt degradation mould according to claim 7, it is characterised in that described fixed side grows tall
Than for 10~20 ︰ 1.
9. the road asphalt degradation mould according to claim 7 or 8, it is characterised in that described mobile side board is
Cuboid, its length to height ratio are 10~20 ︰ 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621430937.3U CN206787891U (en) | 2016-12-26 | 2016-12-26 | A kind of road asphalt degradation mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621430937.3U CN206787891U (en) | 2016-12-26 | 2016-12-26 | A kind of road asphalt degradation mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206787891U true CN206787891U (en) | 2017-12-22 |
Family
ID=60704239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621430937.3U Active CN206787891U (en) | 2016-12-26 | 2016-12-26 | A kind of road asphalt degradation mould |
Country Status (1)
| Country | Link |
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| CN (1) | CN206787891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982822A (en) * | 2018-08-06 | 2018-12-11 | 龙建路桥股份有限公司 | The equivalent simple aging testing method with RTFO or PAV aging effect |
-
2016
- 2016-12-26 CN CN201621430937.3U patent/CN206787891U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982822A (en) * | 2018-08-06 | 2018-12-11 | 龙建路桥股份有限公司 | The equivalent simple aging testing method with RTFO or PAV aging effect |
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