CN107132137B - A kind of asphalt constraint test specimen wheel tracking test device and method - Google Patents
A kind of asphalt constraint test specimen wheel tracking test device and method Download PDFInfo
- Publication number
- CN107132137B CN107132137B CN201710283596.4A CN201710283596A CN107132137B CN 107132137 B CN107132137 B CN 107132137B CN 201710283596 A CN201710283596 A CN 201710283596A CN 107132137 B CN107132137 B CN 107132137B
- Authority
- CN
- China
- Prior art keywords
- test specimen
- test
- tire
- measured
- controller
- Prior art date
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of asphalts to constrain test specimen wheel tracking test device and method, including environmental cabinet, shell in environmental cabinet and the controller in shell, hydraulic control box, headstock, support plate, tire, trolley, connecting rod, pedestal, four the first rubber pads, four the second rubber pads, side metal wooden partition, displacement sensor for detecting the pressure sensor of the active force between tire and test specimen to be measured and for detecting tire vertical displacement, the device and method can disclose the stress restraint state of test specimen to be measured and the relationship of rutting depth, and can measure bituminous pavement in real road engineering reach capacity rutting depth when be subjected to the equivalent axles of standard load.
Description
Technical field
The present invention relates to a kind of wheel tracking test device and methods, and in particular to a kind of asphalt constraint test specimen track examination
Experiment device and method.
Background technique
In recent years, the highway engineering construction of the increasing with country to investments in highway building dynamics, China is very rapid.But
It is since highway in China construction is started late, experience and technological reserve are insufficient, and especially China's weather conditions are complicated, traffic loading
The heavy duty of severe and vehicle, overloading frequent occurrence so that quite a few highway is broken using just occurring in very short time
It is bad, it cannot achieve the long-time service on road surface at all.Wherein, pavement track is damage shape most commonly seen in many pavement damages
Formula has seriously affected the expected of highway and has imagined, also resulted in huge economic loss.
The type of track mainly has: vehicle caused by structural track, motive rut, abrasiveness track and compacting deficiency
Rut.It was verified that the different grades of bituminous pavement of the bituminous concrete institute making of same specification, road surface when Vehicle Load
Internal structure stress is different, and it is also different to be formed by rutting depth.The existing research method for pavement track, generally in fact
Border measures the size of pavement rutting depth, and common method has: ruler mensuration, levelling process, surface elevation meter, laser are disconnected
Face instrument, ultrasonic range finder etc..For traditional track measurement method, principle simple operations are simple but workload compared with
Greatly, the measurement of track especially for Expressway Asphalt road, operate inconvenience, while having a certain impact to traffic.
And develops faster laser and ultrasound examination now and then want much convenient and efficient.Automatic measurement technique of today is in data processing
Just and up for technology further more new development.More be intended to full-automation for detecting from now on, data processing side and
It also will more accuracy.
Either traditional measurement method or automatic measurement technique of today, is merely to measure a certain pavement track
The size of depth value, but the stress restraint state of test specimen to be measured and the relationship of rutting depth cannot be disclosed, while not being capable of measuring
In real road engineering bituminous pavement reach capacity rutting depth when be subjected to the equivalent axles of standard load.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of asphalt constraint test specimen vehicle is provided
Rut experimental rig and method, the device and method can disclose the stress restraint state of test specimen to be measured and the relationship of rutting depth,
And can measure bituminous pavement in real road engineering reach capacity rutting depth when be subjected to the equivalent axles of standard load.
In order to achieve the above objectives, asphalt of the present invention constraint test specimen wheel tracking test device include environmental cabinet,
Shell in environmental cabinet and the controller in shell, hydraulic control box, headstock, support plate, tire, trolley,
Connecting rod, pedestal, four the first rubber pads, four the second rubber pads, side metal wooden partition, for detect tire and test specimen to be measured it
Between active force pressure sensor and displacement sensor for detecting tire vertical displacement；
Hydraulic control box is fixed on the top of shell, and headstock is located at the bottom of shell, and the both ends of support plate are fixed respectively
In on the side wall of shell, trolley is located in support plate, and pedestal is fixed on trolley, and grooved hole is opened up in support plate, wherein connecting rod
Lower end be connected with headstock, the upper end of connecting rod passes through slot and is connected with the bottom of trolley, sets in the middle part of base upper surface
There are rectangle boss, four sides of four the first rubber pad difference face rectangle boss, the side of the first rubber pad and length
The side of square boss is in contact, and the upper surface of rectangle boss is flushed with the upper surface of four the first rubber pads, test specimen to be measured
On rectangle boss and four the first rubber pads, the upper surface of test specimen to be measured is set there are four the second rubber pad, and one second
One the first rubber pad of rubber pad face, the side of side metal wooden partition lower end are connected with the side of pedestal, side metal plate
The upper end of wall curves inwardly and is connected with the upper surface of the second rubber pad, the middle part of side metal wooden partition side and test specimen to be measured
End face be connected, the output shaft of hydraulic control box is connected by hydraulic telescopic rod with tire, and tire is located on test specimen to be measured；
The control terminal of controller and headstock, the control terminal of hydraulic control box, the control terminal of environmental cabinet, pressure sensor
The output end of output end and displacement sensor is connected.
The side of side metal wooden partition lower end is connected with the side of pedestal by pedestal fastening screw.
Trolley includes plate and the wheel positioned at flat plate bottom, wherein wheel is located in support plate, and pedestal is fixed on flat
On plate, the upper end of connecting rod is connected with plate.
Controller includes control panel, display screen and the power supply line being connected with extraneous power supply, wherein control panel and aobvious
Display screen, the control terminal of headstock, the control terminal of hydraulic control box, the control terminal of environmental cabinet, the output end of pressure sensor and position
The output end of displacement sensor is connected.
The upper end of side metal wooden partition curves inwardly and passes through longitudinally secured screw to be connected with the upper surface of the second rubber pad
It connects.
The middle part of side metal wooden partition side is connected with the end face of test specimen to be measured by adhesive.
Pedestal is fixed on plate by bottom screw.
Asphalt of the present invention constraint test specimen wheel tracking test method the following steps are included:
Bitumen mixture specimen is divided into three test specimens, first test specimen is installed on pitch as test specimen to be measured and is mixed
In material constraint test specimen wheel tracking test device, controller controls hydraulic control box makes tire to first test specimen by hydraulic telescopic rod
Apply active force, controller controls headstock driving trolley and drives first test specimen, does tire on first test specimen back and forth
Movement is rolled, the wheel tracking test of first test specimen is completed, test specimen to be measured under all constraint operating conditions is obtained and gets on the bus the depth d of rut1；
First test specimen is changed to second test specimen, then removes the second rubber pad and side metal plate of the left and right sides
Wall, controller controls hydraulic control box makes tire apply active force, controller control to second test specimen by hydraulic telescopic rod
Headstock drives trolley to drive second test specimen, does tire on second test specimen and back and forth rolls movement, completes second examination
The wheel tracking test of part obtains test specimen to be measured under local restriction operating condition and gets on the bus the depth d of rut2；
Second test specimen is changed to third test specimen, then removes the second all rubber pads and all side metal wooden partitions,
Controller controls hydraulic control box makes tire apply active force to third test specimen by hydraulic telescopic rod, and controller controls headstock
It drives trolley to drive third test specimen, does tire on third test specimen and back and forth roll movement, complete the wheel tracking test of third test specimen,
Get on the bus the depth d of rut without test specimen to be measured under constraint operating condition3；
Calculate the free factor alpha of test specimen to be measured under staff cultivation operating condition1, whereinCalculate local restriction operating condition under to
The free factor alpha of test block2, wherein
Asphalt of the present invention constraint test specimen wheel tracking test method the following steps are included:
Controller controls hydraulic control box makes tire treat test block application active force P by hydraulic telescopic rodi, controller
It controls headstock driving trolley and drives test specimen movement to be measured, do tire on test specimen to be measured and continuously back and forth roll movement, until
Test specimen to be measured get on the bus rut depth be equal to predetermined limit rutting depth until, obtain bituminous pavement in real road engineering and reach capacity
The equivalent axles N of standard load is subjected to when rutting depth, whereinWherein, P is standard axle load, and n is to be measured
The reach capacity front tyre of rutting depth of test specimen treats the rolling layer of test block.
The invention has the following advantages:
Asphalt constraint test specimen wheel tracking test device and method of the present invention mixes pitch when specific operation
It closes material test specimen and is divided into three test specimens, then detect to obtain test specimen to be measured under staff cultivation operating condition and get on the bus the depth d of rut1；Remove left and right
The second rubber pad and side metal wooden partition of two sides, then detect to obtain test specimen to be measured under local restriction operating condition and get on the bus the depth of rut
d2；The side metal wooden partition of whole the second rubber pad and whole is removed, then detects to obtain without on test specimen to be measured under constraint operating condition
The depth d of track3, then calculate the free factor alpha of test specimen to be measured under staff cultivation operating condition1And test specimen to be measured under local restriction operating condition
Free factor alpha2, so that the stress restraint state of test specimen to be measured and the relationship of rutting depth are disclosed, it is easy to operate, simply.Together
When, the present invention treats test block by tire and applies active force P when specific operationi, then make tire company of doing on test specimen to be measured
It is continuous back and forth to roll movement, until test specimen to be measured get on the bus rut depth equal to until predetermined limit rutting depth, obtain real road
In engineering bituminous pavement reach capacity rutting depth when be subjected to the equivalent axles N of standard load, simple, convenient, test knot
Fruit is more accurate.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of controller 17 in the present invention；
Fig. 3 is the location diagram of pedestal 13 and test specimen 12 to be measured in the present invention；
Fig. 4 is the location diagram of test specimen 12 and the second rubber pad 11 to be measured in the present invention；
Fig. 5 is the structural schematic diagram of trolley in the present invention.
Wherein, 1 it is environmental cabinet, 2 be shell, 3 be hydraulic control box, 4 be hydraulic telescopic rod, 5 be tire, 6 is longitudinal tight
Gu screw, 7 be support plate, 8 be connecting rod, 9 be headstock, 10 be data line, 11 be the second rubber pad, 12 be test specimen to be measured, 13
It is plate for pedestal, 14,15 be wheel, 16 be control panel, 17 be controller, 18 be display screen, 19 be slot, 20 is side
Metal wooden partition, 21 are pedestal fastening screw.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, asphalt of the present invention constrains test specimen wheel tracking test device packet
Include environmental cabinet 1, the shell 2 in environmental cabinet 1 and the controller 17 in shell 2, hydraulic control box 3, headstock 9,
Support plate 7, tire 5, trolley, connecting rod 8,13, four the first rubber pads of pedestal, four the second rubber pads 11, side metal wooden partition
20, for detecting the pressure sensor of the active force between tire 5 and test specimen to be measured 12 and for detecting 5 vertical displacement of tire
Displacement sensor；Hydraulic control box 3 is fixed on the top of shell 2, and headstock 9 is located at the bottom of shell 2, the both ends of support plate 7
It is individually fixed on the side wall of shell 2, trolley is located in support plate 7, and pedestal 13 is fixed on trolley, offers in support plate 7
Slot 19, wherein the lower end of connecting rod 8 is connected with headstock 9, and the upper end of connecting rod 8 passes through slot 19 and is connected with the bottom of trolley
It connects, the middle part of 13 upper surface of pedestal is equipped with rectangle boss, four sides of four the first rubber pad difference face rectangle boss
The side in face, the first rubber pad is in contact with the side of rectangle boss, the upper surface of rectangle boss and four the first rubber
The upper surface of pad flushes, and test specimen 12 to be measured is located on rectangle boss and four the first rubber pads, the upper surface of test specimen 12 to be measured
If there are four the second rubber pad 11, the second rubber pad 11 face, one first rubber pad, 20 lower end of side metal wooden partition
Side is connected with the side of pedestal 13, and the upper end of side metal wooden partition 20 curves inwardly and the upper surface with the second rubber pad 11
It is connected, the middle part of 20 side of side metal wooden partition is connected with the end face of test specimen 12 to be measured, and the output shaft of hydraulic control box 3 is logical
It crosses hydraulic telescopic rod 4 to be connected with tire 5, tire 5 is located on test specimen 12 to be measured；The control terminal of controller 17 and headstock 9, liquid
The output end of the control terminal of control cabinet 3, the control terminal of environmental cabinet 1, the output end of pressure sensor and displacement sensor is pressed to be connected
It connects.
The side of 20 lower end of side metal wooden partition is connected with the side of pedestal 13 by pedestal fastening screw 21；Trolley packet
Include plate 14 and the wheel 15 positioned at 14 bottom of plate, wherein wheel 15 is located in support plate 7, and pedestal 13 is fixed on plate
On 14, the upper end of connecting rod 8 is connected with plate 14；Controller 17 include control panel 16, display screen 18 and with extraneous power supply phase
The power supply line of connection, wherein control panel 16 and display screen 18, the control terminal of headstock 9, the control terminal of hydraulic control box 3, ring
The output end of the control terminal of border case 1, the output end of pressure sensor and displacement sensor is connected；Side metal wooden partition 20 it is upper
End curves inwardly and is connected by longitudinally secured screw 6 with the upper surface of the second rubber pad 11；20 side of side metal wooden partition
Middle part be connected with the end face of test specimen 12 to be measured by adhesive；Pedestal 13 is fixed on plate 14 by bottom screw.
Controller 17 passes through the control of data line 10 and the control terminal of headstock 9, the control terminal of hydraulic control box 3, environmental cabinet 1
End, the output end of pressure sensor and the output end of displacement sensor processed are connected.
The concrete operations of the wheel tracking test of test specimen 12 to be measured are as follows:
First tire 5 is set on controller 17 and is applied to the active force of test specimen 12 to be measured, and rolling layer n is set, is controlled
Device 17 controls hydraulic control box 3 and treats the application active force of test block 12 by hydraulic telescopic rod 4 and tire 5, and then headstock 9 is logical
Crossing connecting rod 8 drives trolley travelling to pass through pressure sensor real-time detection wheel to realize that tire 5 treats rolling for test block 12
Tire 5 treats the active force of test block 12, and the active force that tire 5 treats test block 12 is forwarded to controller 17, controller 17
The force profile that test block 12 is treated by 18 display of tyre 5 of display screen, when the rolling layer that tire 5 treats test block 12 reaches
To when setting number, headstock 9 stops working, and then measures the rutting depth on 12 surface of test specimen to be measured.
In real road engineering, the difference of category of roads, road surface is also correspondingly formed different degrees of track, multilane
Highway, pavement track is generally less, not only high-quality related with design level height and materials, also as in vehicle driving
Remaining lane provides the support effect of cross force for stress lane in the process, and the lane being stressed directly in this way is ground repeatedly in load
The lateral displacement of pressure will just reduce, and then finally formed rutting depth is just smaller；For low-grade highway, number of lanes compared with
Few, the mutual underbraced between each plate in road surface, then road surface is easier to occur greatly under the repeated action of vehicular load
Scale track.It is an object of the invention to study test specimen 12 to be measured to be formed by rutting depth under the constraint condition of different power
Difference, and probe into the relationship between rutting depth and constraint condition.
Asphalt of the present invention constraint test specimen wheel tracking test method the following steps are included:
Bitumen mixture specimen is divided into three test specimens, first test specimen is installed on pitch as test specimen 12 to be measured and is mixed
It closes in material constraint test specimen wheel tracking test device, controller 17 controls hydraulic control box 3 makes tire 5 to the by hydraulic telescopic rod 4
One test specimen applies active force, and controller 17 controls headstock 9 and trolley is driven to drive first test specimen, makes tire 5 at first
It is done on test specimen and back and forth rolls movement, complete the wheel tracking test of first test specimen, obtained test specimen 12 to be measured under all constraint operating conditions and get on the bus
The depth d of rut1；
First test specimen is changed to second test specimen, then removes the second rubber pad 11 and side metal plate of the left and right sides
Wall 20, controller 17 controls hydraulic control box 3 makes tire 5 apply active force, control to second test specimen by hydraulic telescopic rod 4
Device 17 controls headstock 9 and trolley is driven to drive second test specimen, does tire 5 on second test specimen and back and forth rolls movement, complete
At the wheel tracking test of second test specimen, the depth d of track on test specimen 12 to be measured under local restriction operating condition is obtained2；
Second test specimen is changed to third test specimen, then removes the second all rubber pads 11 and all side metal wooden partitions
20, controller 17 controls hydraulic control box 3 makes tire 5 apply active force, controller 17 to third test specimen by hydraulic telescopic rod 4
Controlling headstock 9 drives trolley to drive third test specimen, does tire 5 on third test specimen and back and forth rolls movement, completes third examination
The wheel tracking test of part obtains the depth d without track on test specimen 12 to be measured under constraint operating condition3；
Calculate the free factor alpha of test specimen 12 to be measured under staff cultivation operating condition1, whereinIt calculates under local restriction operating condition
The free factor alpha of test specimen 12 to be measured2, wherein
Asphalt of the present invention constraint test specimen wheel tracking test method the following steps are included:
Controller 17 controls hydraulic control box 3 makes tire 5 treat the application active force of test block 12 by hydraulic telescopic rod 4
Pi, controller 17 controls headstock 9 and drives trolley that test specimen 12 to be measured is driven to move, and does tire 5 on test specimen 12 to be measured continuously
Movement back and forth is rolled, until the depth of track on test specimen 12 to be measured is equal to predetermined limit rutting depth, obtains real road work
In journey bituminous pavement reach capacity rutting depth when be subjected to the equivalent axles N of standard load, whereinWherein,
P is standard axle load, and n is that the reach capacity front tyre 5 of rutting depth of test specimen 12 to be measured treats the rolling layer of test block 12.
Claims (8)
1. a kind of asphalt constrains test specimen wheel tracking test device, which is characterized in that including environmental cabinet (1), be located at environmental cabinet
(1) shell (2) in and the controller (17) in shell (2), hydraulic control box (3), headstock (9), support plate
(7), tire (5), trolley, connecting rod (8), pedestal (13), four the first rubber pads, four the second rubber pads (11), side metals
Wooden partition (20), the pressure sensor for detecting the active force between tire (5) and test specimen to be measured (12) and for detecting tire
(5) displacement sensor of vertical displacement；
Hydraulic control box (3) is fixed on the top of shell (2), and headstock (9) is located at the bottom of shell (2), and the two of support plate (7)
End is individually fixed on the side wall of shell (2), and trolley is located on support plate (7), and pedestal (13) is fixed on trolley, support plate
(7) grooved hole (19) are opened up on, wherein the lower end of connecting rod (8) is connected with headstock (9), and the upper end of connecting rod (8) passes through slot
(19) it is connected with the bottom of trolley, the middle part of pedestal (13) upper surface is equipped with rectangle boss, four the first rubber pad difference
Four sides of face rectangle boss, the side of the first rubber pad are in contact with the side of rectangle boss, rectangle boss
Upper surface flushed with the upper surface of four the first rubber pads, test specimen (12) to be measured is located at rectangle boss and four the first rubber
On pad, the upper surface of test specimen (12) to be measured is set there are four the second rubber pad (11), the second rubber pad (11) face one the
The side of one rubber pad, side metal wooden partition (20) lower end is connected with the side of pedestal (13), side metal wooden partition (20)
Upper end curves inwardly and is connected with the upper surface of the second rubber pad (11), the middle part of side metal wooden partition (20) side with it is to be measured
The end face of test specimen (12) is connected, and the output shaft of hydraulic control box (3) is connected by hydraulic telescopic rod (4) with tire (5), takes turns
Tire (5) is located on test specimen to be measured (12)；
Controller (17) and the control terminal of headstock (9), the control terminal of hydraulic control box (3), the control terminal of environmental cabinet (1), pressure
The output end of force snesor and the output end of displacement sensor are connected；
Trolley includes plate (14) and the wheel (15) for being located at plate (14) bottom, wherein wheel (15) is located at support plate (7)
On, pedestal (13) is fixed on plate (14), and the upper end of connecting rod (8) is connected with plate (14).
2. asphalt according to claim 1 constrains test specimen wheel tracking test device, which is characterized in that side metal plate
The side of wall (20) lower end is connected with the side of pedestal (13) by pedestal fastening screw (21).
3. asphalt according to claim 1 constrains test specimen wheel tracking test device, which is characterized in that controller (17)
Including control panel (16), power supply line display screen (18) and be connected with extraneous power supply, wherein control panel (16) and display
Shield (18), the control terminal of headstock (9), the control terminal of hydraulic control box (3), the control terminal of environmental cabinet (1), pressure sensor
The output end of output end and displacement sensor is connected.
4. asphalt according to claim 1 constrains test specimen wheel tracking test device, which is characterized in that side metal plate
The upper end of wall (20) curves inwardly and passes through longitudinally secured screw (6) to be connected with the upper surface of the second rubber pad (11).
5. asphalt according to claim 1 constrains test specimen wheel tracking test device, which is characterized in that side metal plate
The middle part of wall (20) side is connected with the end face of test specimen to be measured (12) by adhesive.
6. asphalt according to claim 1 constrains test specimen wheel tracking test device, which is characterized in that pedestal (13) is logical
Bottom screw is crossed to be fixed on plate (14).
7. a kind of asphalt constrains test specimen wheel tracking test method, which is characterized in that mixed based on pitch described in claim 1
Close material constraint test specimen wheel tracking test device, comprising the following steps:
Bitumen mixture specimen is divided into three test specimens, first test specimen is installed on pitch as test specimen to be measured (12) and is mixed
In material constraint test specimen wheel tracking test device, controller (17) control hydraulic control box (3) makes tire by hydraulic telescopic rod (4)
(5) active force is applied to first test specimen, controller (17) controls headstock (9) driving trolley and drives first test specimen, makes to take turns
Tire (5) is done on first test specimen back and forth rolls movement, completes the wheel tracking test of first test specimen, obtain all constraint operating conditions under to
The depth d of track on test block (12)1；
First test specimen is changed to second test specimen, then removes the second rubber pad (11) and side metal wooden partition of the left and right sides
(20), controller (17) control hydraulic control box (3) makes tire (5) apply work to second test specimen by hydraulic telescopic rod (4)
Firmly, controller (17) control headstock (9) driving trolley drives second test specimen, does tire (5) on second test specimen
Movement back and forth is rolled, completes the wheel tracking test of second test specimen, obtains the depth of track on test specimen (12) to be measured under local restriction operating condition
Spend d2；
Second test specimen is changed to third test specimen, then removes all the second rubber pads (11) and all side metal wooden partitions
(20), controller (17) control hydraulic control box (3) acts on tire (5) to third test specimen application by hydraulic telescopic rod (4)
Power, controller (17) control headstock (9) driving trolley and drive third test specimen, and tire (5) is made to make reciprocal stone roller on third test specimen
Pressure movement, completes the wheel tracking test of third test specimen, obtains the depth d without track on test specimen (12) to be measured under constraint operating condition3；
Calculate the free factor alpha of test specimen (12) to be measured under staff cultivation operating condition1, whereinCalculate local restriction operating condition under to
The free factor alpha of test block (12)2, wherein
8. a kind of asphalt constrains test specimen wheel tracking test method, which is characterized in that mixed based on pitch described in claim 1
Close material constraint test specimen wheel tracking test device, comprising the following steps:
Controller (17) control hydraulic control box (3) makes tire (5) treat test block (12) application work by hydraulic telescopic rod (4)
Firmly Pi, controller (17) controls headstock (9) driving trolley and drives test specimen (12) to be measured movement, makes tire (5) to be tested
It is done on part (12) and continuously back and forth rolls movement, until the depth of track is equal to predetermined limit rutting depth on test specimen to be measured (12)
Only, obtain bituminous pavement in real road engineering reach capacity rutting depth when be subjected to the equivalent axles N of standard load, whereinWherein, P is standard axle load, and n is that test specimen to be measured (12) reach capacity front tyre (5) of rutting depth is treated
The rolling layer of test block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283596.4A CN107132137B (en) | 2017-04-26 | 2017-04-26 | A kind of asphalt constraint test specimen wheel tracking test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283596.4A CN107132137B (en) | 2017-04-26 | 2017-04-26 | A kind of asphalt constraint test specimen wheel tracking test device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107132137A CN107132137A (en) | 2017-09-05 |
| CN107132137B true CN107132137B (en) | 2019-08-06 |
Family
ID=59715138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710283596.4A Active CN107132137B (en) | 2017-04-26 | 2017-04-26 | A kind of asphalt constraint test specimen wheel tracking test device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107132137B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614094A (en) * | 2018-05-12 | 2018-10-02 | 张中华 | The experimental rig and method of performance of asphalt mixture under load-osmotic pressure coupling |
| CN110044741A (en) * | 2019-04-29 | 2019-07-23 | 山东省交通科学研究院 | A kind of multipoint mode asphalt high temperature anti-rut behavior evaluation method |
| CN110618050A (en) * | 2019-09-27 | 2019-12-27 | 长安大学 | Base material washout test device based on wheel load |
| CN110658087A (en) * | 2019-10-18 | 2020-01-07 | 温州大学 | Piezoelectric road test device under simulation traffic load effect |
| CN110823659A (en) * | 2019-11-21 | 2020-02-21 | 云南省公路科学技术研究院 | Vibration wheel-grinding forming instrument for asphalt mixture track test piece and using method thereof |
| CN116296929B (en) * | 2023-05-08 | 2023-08-08 | 昆明理工大学 | Iron tailing sand asphalt concrete rutting test device |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1789961A (en) * | 2005-12-26 | 2006-06-21 | 长安大学 | Indoor rotary wheel rutting test machine for asphalt mixture |
| US7225912B1 (en) * | 2004-02-26 | 2007-06-05 | Fujitec America Inc. | Escalator wheel monitor |
| RU2316919C1 (en) * | 2006-08-25 | 2008-02-20 | Государственное научное учреждение Всероссийский научно-исследовательский институт орошаемого земледелия РАСХН | Apparatus for mellowing and leveling of farm machine wheel tracks |
| CN201045608Y (en) * | 2007-06-05 | 2008-04-09 | 西安公路养护技术工程研究中心有限公司 | Heavy duty slope asphalt mixture rut tester |
| CN201421425Y (en) * | 2009-06-04 | 2010-03-10 | 浙江辰鑫机械设备有限公司 | Novel asphalt rut testing machine |
| CN201459581U (en) * | 2009-06-04 | 2010-05-12 | 浙江辰鑫机械设备有限公司 | Wheel tracking testing machine of asphalt |
| CN201569616U (en) * | 2009-12-15 | 2010-09-01 | 交通部公路科学研究所 | Novel rut tester for bituminous mixture |
| CN103645098A (en) * | 2013-12-31 | 2014-03-19 | 长安大学 | Asphalt pavement load temperature coupling testing device and testing method thereof |
| CN203616192U (en) * | 2013-05-03 | 2014-05-28 | 江苏省交通规划设计院股份有限公司 | Testing device for cold patch asphalt rut test piece |
| CN203643280U (en) * | 2013-12-31 | 2014-06-11 | 长安大学 | Asphalt mixture fatigue test device |
| CN104101552A (en) * | 2014-07-09 | 2014-10-15 | 南京信息工程大学 | Accelerated loading abrasion device for pavement |
| CN204027916U (en) * | 2014-07-01 | 2014-12-17 | 山西省交通科学研究院 | A kind of beam shape test specimen bogey for the torture test of asphalt rut |
| CN204044012U (en) * | 2014-07-01 | 2014-12-24 | 山西省交通科学研究院 | A kind of asphalt rut fatigue property test device |
| CN204188466U (en) * | 2014-11-25 | 2015-03-04 | 长安大学 | A kind of indoor rut test unit |
| CN105136587A (en) * | 2015-09-01 | 2015-12-09 | 武汉路源工程质量检测有限公司 | Bituminous mixture rutting test device |
| CN105241749A (en) * | 2015-11-10 | 2016-01-13 | 昆山市交通工程试验检测中心 | Improved asphalt mixture wheel tracking test device |
| CN204988883U (en) * | 2015-09-01 | 2016-01-20 | 武汉路源工程质量检测有限公司 | Bituminous mixture wheel tracking test device |
| CN205091215U (en) * | 2015-11-10 | 2016-03-16 | 昆山市交通工程试验检测中心有限公司 | Bituminous mixture wheel tracking test device |
| CN205192838U (en) * | 2015-11-10 | 2016-04-27 | 昆山市交通工程试验检测中心有限公司 | Improved generation bituminous mixture wheel tracking test device |
| CN105784518A (en) * | 2016-04-26 | 2016-07-20 | 长安大学 | Experiment device and method for evaluating furrow resistant properties of structural layer of asphalt pavement |
| CN105910933A (en) * | 2016-06-08 | 2016-08-31 | 山西省交通科学研究院 | Asphalt mixture skid resistance attenuation experimental testing device |
| CN105928811A (en) * | 2016-07-14 | 2016-09-07 | 山西省交通科学研究院 | Asphalt mixture fatigue resistance testing apparatus |
| CN205898597U (en) * | 2016-06-08 | 2017-01-18 | 山西省交通科学研究院 | Bituminous mixture cling compound ability die -away test testing arrangement |
| RU2612224C1 (en) * | 2015-12-08 | 2017-03-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный аграрный университет им. Н.И. Вавилова" | Device measuring width of wheel track of rear rimless wheels of tractor |
-
2017
- 2017-04-26 CN CN201710283596.4A patent/CN107132137B/en active Active
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7225912B1 (en) * | 2004-02-26 | 2007-06-05 | Fujitec America Inc. | Escalator wheel monitor |
| CN1789961A (en) * | 2005-12-26 | 2006-06-21 | 长安大学 | Indoor rotary wheel rutting test machine for asphalt mixture |
| RU2316919C1 (en) * | 2006-08-25 | 2008-02-20 | Государственное научное учреждение Всероссийский научно-исследовательский институт орошаемого земледелия РАСХН | Apparatus for mellowing and leveling of farm machine wheel tracks |
| CN201045608Y (en) * | 2007-06-05 | 2008-04-09 | 西安公路养护技术工程研究中心有限公司 | Heavy duty slope asphalt mixture rut tester |
| CN201421425Y (en) * | 2009-06-04 | 2010-03-10 | 浙江辰鑫机械设备有限公司 | Novel asphalt rut testing machine |
| CN201459581U (en) * | 2009-06-04 | 2010-05-12 | 浙江辰鑫机械设备有限公司 | Wheel tracking testing machine of asphalt |
| CN201569616U (en) * | 2009-12-15 | 2010-09-01 | 交通部公路科学研究所 | Novel rut tester for bituminous mixture |
| CN203616192U (en) * | 2013-05-03 | 2014-05-28 | 江苏省交通规划设计院股份有限公司 | Testing device for cold patch asphalt rut test piece |
| CN103645098A (en) * | 2013-12-31 | 2014-03-19 | 长安大学 | Asphalt pavement load temperature coupling testing device and testing method thereof |
| CN203643280U (en) * | 2013-12-31 | 2014-06-11 | 长安大学 | Asphalt mixture fatigue test device |
| CN204044012U (en) * | 2014-07-01 | 2014-12-24 | 山西省交通科学研究院 | A kind of asphalt rut fatigue property test device |
| CN204027916U (en) * | 2014-07-01 | 2014-12-17 | 山西省交通科学研究院 | A kind of beam shape test specimen bogey for the torture test of asphalt rut |
| CN104101552A (en) * | 2014-07-09 | 2014-10-15 | 南京信息工程大学 | Accelerated loading abrasion device for pavement |
| CN204188466U (en) * | 2014-11-25 | 2015-03-04 | 长安大学 | A kind of indoor rut test unit |
| CN204988883U (en) * | 2015-09-01 | 2016-01-20 | 武汉路源工程质量检测有限公司 | Bituminous mixture wheel tracking test device |
| CN105136587A (en) * | 2015-09-01 | 2015-12-09 | 武汉路源工程质量检测有限公司 | Bituminous mixture rutting test device |
| CN205091215U (en) * | 2015-11-10 | 2016-03-16 | 昆山市交通工程试验检测中心有限公司 | Bituminous mixture wheel tracking test device |
| CN105241749A (en) * | 2015-11-10 | 2016-01-13 | 昆山市交通工程试验检测中心 | Improved asphalt mixture wheel tracking test device |
| CN205192838U (en) * | 2015-11-10 | 2016-04-27 | 昆山市交通工程试验检测中心有限公司 | Improved generation bituminous mixture wheel tracking test device |
| RU2612224C1 (en) * | 2015-12-08 | 2017-03-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный аграрный университет им. Н.И. Вавилова" | Device measuring width of wheel track of rear rimless wheels of tractor |
| CN105784518A (en) * | 2016-04-26 | 2016-07-20 | 长安大学 | Experiment device and method for evaluating furrow resistant properties of structural layer of asphalt pavement |
| CN105910933A (en) * | 2016-06-08 | 2016-08-31 | 山西省交通科学研究院 | Asphalt mixture skid resistance attenuation experimental testing device |
| CN205898597U (en) * | 2016-06-08 | 2017-01-18 | 山西省交通科学研究院 | Bituminous mixture cling compound ability die -away test testing arrangement |
| CN105928811A (en) * | 2016-07-14 | 2016-09-07 | 山西省交通科学研究院 | Asphalt mixture fatigue resistance testing apparatus |
Non-Patent Citations (2)
| Title |
|---|
| "半刚性基层沥青路面车辙特性分析";胡萌 等;《公路交通科技》;20110630;第28卷(第6期);第15-18页 |
| "长大纵坡沥青路面车辙形成与控制研究";陈勇 等;《城市道桥与防洪》;20110131(第1期);第108-111页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107132137A (en) | 2017-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107132137B (en) | A kind of asphalt constraint test specimen wheel tracking test device and method | |
| Asi | Evaluating skid resistance of different asphalt concrete mixes | |
| CN105136587A (en) | Bituminous mixture rutting test device | |
| CN103134726A (en) | Bituminous pavement rolling analyzer | |
| CN209656028U (en) | Freeway Pavement Evenness detection device | |
| CN204988883U (en) | Bituminous mixture wheel tracking test device | |
| Dell'Acqua et al. | Indirect skid resistance measurement for porous asphalt pavement management | |
| Horan et al. | Improving quality control of hot-mix asphalt paving with intelligent compaction technology | |
| CN203083886U (en) | Asphalt pavement rolling compaction analyzer | |
| CN105403688A (en) | Method and device for designing mix proportion of cement stabilized macadam foundation | |
| Wang et al. | Characterization of dynamic response of asphalt pavement in dry and saturated conditions using the full-scale accelerated loading test | |
| CN106758710A (en) | Bituminous concrete Novel layered rolling method | |
| Li et al. | Surface texture and friction characteristics of diamond-ground concrete and asphalt pavements | |
| CN102519812A (en) | Method for evaluating high-temperature stability of asphalt pavement structure or asphalt mixture | |
| CN108037028B (en) | Method and device for testing shearing resistance and fatigue of pavement interface under vehicle braking condition | |
| CN104931359A (en) | Large-scale earthwork shear strength tester | |
| CN203720020U (en) | Testing equipment for strength of roadbeds and road surfaces | |
| Jia et al. | Characterization of rutting on asphalt pavement in terms of transverse profile shapes based on LTPP data | |
| CN105865871A (en) | Grinding forming method and device for simulating construction state of bituminous mixture standard sample | |
| CN105021474B (en) | A kind of soil-rock mixture base clad can shearing strength method for measurement | |
| Said et al. | Evaluation of rutting of asphalt concrete pavement under field-like conditions | |
| CN111289391A (en) | Reciprocating movement loading test system for testing deformation of roadbed and pavement and test method thereof | |
| CN216432969U (en) | Slope measuring device for highway construction | |
| Wang et al. | Designing a skid-resistant and durable asphalt mixture based on the stress concentration distribution rate | |
| CN207623189U (en) | The slurry consistency on-site detecting device of emulsified bitumen slurry mixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |