CN205844152U - A kind of die trial of bituminous paving measuring friction coefficient under condition of raining - Google Patents
A kind of die trial of bituminous paving measuring friction coefficient under condition of raining Download PDFInfo
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- CN205844152U CN205844152U CN201620822179.3U CN201620822179U CN205844152U CN 205844152 U CN205844152 U CN 205844152U CN 201620822179 U CN201620822179 U CN 201620822179U CN 205844152 U CN205844152 U CN 205844152U
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- side form
- die trial
- base plate
- groove
- friction coefficient
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Abstract
This utility model relates to a kind of die trial of bituminous paving measuring friction coefficient under condition of raining.Described die trial includes base plate, left side side form, right side side form, front side form, rear side form, left side baffle plate and right-hand apron；Described left side side form is parallel with load wheel direction of travel with the length direction of right side side form；It is provided with left groove at the top surface edge of described left side side form；It is provided with right groove at the top surface edge of described right side side form；Described left side baffle plate can be with socket joint in left groove；Described right-hand apron can be with socket joint in right groove；The lower surface of described base plate is the plane of rectangle；The region of the upper surface correspondence shaping test piece of described base plate is the arc surface along front side form to rear side form.Die trial simple in construction described in the utility model, reasonable in design and install and use easy and simple to handle, input cost is relatively low, takes up room less；The runoff coefficient parameter adjustment of determination test is easy, accurately.
Description
Technical field
This utility model belongs to bituminous pavement property technical field of measurement and test, it particularly relates to one for rainfall bar
The die trial of bituminous paving measuring friction coefficient under part.
Background technology
Along with expanding economy, road quality classification improves constantly, and the volume of traffic increases, and speed is accelerated, and the antiskid of bituminous paving is asked
Topic becomes increasingly conspicuous, and especially in the rainy day, Bitumen Pavement Anti-Skid Performance is substantially reduced, and easily makes vehicle slip out of control, cause casualties,
The major accidents such as property loss.In order to verify whether Bitumen Pavement Anti-Skid Performance disclosure satisfy that use requirement, we use pendulum-type
Instrument measures surface friction coefficient.But in test process, it is merely able to test the bituminous paving coefficient of friction under the conditions of the non-rainy day,
Different rainfall intensity, the bituminous paving coefficient of frictions of overland flow coefficient under the conditions of can not reflecting the rainy day.
Summary of the invention
For solving above-mentioned technical problem, this utility model provides a kind of simple in construction, easy and simple to handle for rainfall bar
The die trial of bituminous paving measuring friction coefficient under part.
A kind of die trial of bituminous paving measuring friction coefficient under condition of raining described in the utility model, described die trial
Including being trapped among the left side side form 28 of base plate 30 4 side, right side side form 29, front side form 26, rear side form 27, and left side baffle plate
20 and right-hand apron 21；Described left side side form 28 is parallel with load wheel direction of travel with the length direction of right side side form 29；Described
Front side form 26 is vertical with load wheel direction of travel with the length direction of rear side form 27；The upper surface limit of described left side side form 28
Left groove 22 it is provided with at edge；It is provided with right groove 23 at the top surface edge of described right side side form 29；Described left side keeps off
Plate 20 can be with socket joint in left groove 22；Described right-hand apron 21 can be used for regulating friction with socket joint in right groove 23
The runoff coefficient of coefficient test surface of test piece；The lower surface of described base plate 30 is the plane of rectangle；The upper surface of described base plate 30
The region of corresponding shaping test piece is the arc surface along front side form 26 to rear side form 27.
A kind of die trial of bituminous paving measuring friction coefficient under condition of raining described in the utility model, described die trial
Space corresponding at base plate 30 is irregular body, the top of described irregular body be long 50cm, wide 50cm, high 5cm rectangular
Body, the plan view from above of the bottom of described irregular body is long 50cm, the square of wide 50cm, the bottom of described irregular body
The arc surface that cross-sectional view is chord length 50cm, i.e. can make the bitumen mixture specimen of above-mentioned irregular body.
Compared with prior art, the examination of bituminous paving measuring friction coefficient under condition of raining described in the utility model
Mould has a characteristic that and is used the die trial simple in construction of bituminous paving measuring friction coefficient under condition of raining, design to close
Managing and install and use easy and simple to handle, input cost is relatively low, installs compact, takes up room less；Used for rainfall bar
Under part, the die trial of bituminous paving measuring friction coefficient can be by left side side form and the method for right side side form surface configuration baffle plate
The runoff coefficient of regulation PVvalue testing surface of test piece so that bituminous paving measuring friction coefficient test under simulated rainfall conditions
Runoff coefficient parameter adjustment easy, accurately.
Accompanying drawing explanation
Fig. 1 is this utility model die trial structure chart；Fig. 2 is left side baffle plate figure；Fig. 3 is right-hand apron figure.In figure: 19-tries
Baffle plate on the left of mould, 20-, 21-right-hand apron, 22-left groove, 23-right groove, 26-front side form, 27-rear side form,
Side form, 30-base plate on the right side of side form, 29-on the left of 28-.
Detailed description of the invention
Below in conjunction with specific embodiment to bituminous paving coefficient of friction under condition of raining described in the utility model
The die trial measured is described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of die trial of bituminous paving measuring friction coefficient under condition of raining, described die trial includes being trapped among base plate 30 4
The left side side form 28 of side, right side side form 29, front side form 26, rear side form 27, and left side baffle plate 20 and right-hand apron 21；Institute
State left side side form 28 parallel with load wheel direction of travel with the length direction of right side side form 29；Described front side form 26 and rear side
The length direction of mould 27 is vertical with load wheel direction of travel；It is provided with left groove at the top surface edge of described left side side form 28
22；It is provided with right groove 23 at the top surface edge of described right side side form 29；Described left side baffle plate 20 can be with socket joint in left side
In groove 22；Described right-hand apron 21 can be with socket joint in right groove 23, for regulating PVvalue testing surface of test piece
Runoff coefficient；The lower surface of described base plate 30 is the plane of rectangle；The region of the upper surface correspondence shaping test piece of described base plate 30
It it is the arc surface along front side form 26 to rear side form 27.The space corresponding at base plate 30 of described die trial is irregular body,
The top of described irregular body is long 50cm, wide 50cm, the cuboid of high 5cm, the top plan view of the bottom of described irregular body
Figure is long 50cm, the square of wide 50cm, and the cross-sectional view of the bottom of described irregular body is the arc surface of chord length 50cm, can
Enough make the bitumen mixture specimen of above-mentioned irregular body.
Compared with prior art, the examination of bituminous paving measuring friction coefficient under condition of raining described in the utility model
Mould has a characteristic that and is used the die trial simple in construction of bituminous paving measuring friction coefficient under condition of raining, design to close
Managing and install and use easy and simple to handle, input cost is relatively low, installs compact, takes up room less；Used for rainfall bar
Under part, the die trial of bituminous paving measuring friction coefficient can be by left side side form and the method for right side side form surface configuration baffle plate
The runoff coefficient of regulation PVvalue testing surface of test piece so that bituminous paving measuring friction coefficient test under simulated rainfall conditions
Runoff coefficient parameter adjustment easy, accurately.
Claims (2)
1. the die trial of bituminous paving measuring friction coefficient under condition of raining, it is characterised in that described die trial includes enclosing
Left side side form (28) in base plate (30) four side, right side side form (29), front side form (26), rear side form (27), and left side
Baffle plate (20) and right-hand apron (21)；The length direction of described left side side form (28) and right side side form (29) takes turns walking side with load
To parallel；Described front side form (26) is vertical with load wheel direction of travel with the length direction of rear side form (27)；Described left side
Left groove (22) it is provided with at the top surface edge of side form (28)；It is provided with at the top surface edge on described right side side form (29)
Right groove (23)；Described left side baffle plate (20) can be with socket joint in left groove (22)；Described right-hand apron (21) can hold
It is inserted in right groove (23)；The lower surface of described base plate (30) is the plane of rectangle；The upper surface of described base plate (30) is corresponding
The region of shaping test piece is the arc surface along front side form (26) to rear side form (27).
A kind of die trial of bituminous paving measuring friction coefficient under condition of raining the most according to claim 1, its feature
Being, the described die trial space corresponding at base plate (30) place is irregular body, and the top of described irregular body is long 50cm, width
50cm, the cuboid of high 5cm, the plan view from above of the bottom of described irregular body is long 50cm, the square of wide 50cm, described
The cross-sectional view of the bottom of irregular body is the arc surface of chord length 50cm, i.e. can make the asphalt of above-mentioned irregular body
Test specimen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822179.3U CN205844152U (en) | 2016-08-01 | 2016-08-01 | A kind of die trial of bituminous paving measuring friction coefficient under condition of raining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822179.3U CN205844152U (en) | 2016-08-01 | 2016-08-01 | A kind of die trial of bituminous paving measuring friction coefficient under condition of raining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844152U true CN205844152U (en) | 2016-12-28 |
Family
ID=57617884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620822179.3U Expired - Fee Related CN205844152U (en) | 2016-08-01 | 2016-08-01 | A kind of die trial of bituminous paving measuring friction coefficient under condition of raining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205844152U (en) |
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2016
- 2016-08-01 CN CN201620822179.3U patent/CN205844152U/en not_active Expired - Fee Related
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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: 20161228 Termination date: 20190801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |