CN106093360A - The asphalt pavement rut tester of a kind of simulated rainfall and test method thereof - Google Patents
The asphalt pavement rut tester of a kind of simulated rainfall and test method thereof Download PDFInfo
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- CN106093360A CN106093360A CN201610619193.8A CN201610619193A CN106093360A CN 106093360 A CN106093360 A CN 106093360A CN 201610619193 A CN201610619193 A CN 201610619193A CN 106093360 A CN106093360 A CN 106093360A
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Abstract
The present invention relates to asphalt pavement rut tester and the test method thereof of a kind of simulated rainfall.Tester includes being divided into capital equipment district and the environmental cabinet in auxiliary equipment district；Capital equipment district is converged rain base plate and is divided into upper and bottom section, and bottom is divided into collection box；The right half of upper part is provided with the water distributor of band shower nozzle at top；The right half of upper part is provided with two card articles in bottom, places die trial in the middle of two card articles；The top of die trial is outstanding has load to take turns, and this load wheel is fixed on the Loading Plate above load frame by connecting shaft；Left half is provided with water butt in bottom, the water pump being connected in collection box by water inlet pipe bottom this water butt；Water butt is provided with water pump at top, and this water pump is connected to water distributor by aqueduct；Aqueduct is the most also disposed with threeway, effusion meter and electromagnetic valve；Threeway connects the return pipe being connected to water butt of band regulation valve；Auxiliary equipment district upper right portion is provided with control chamber.The present invention has simple in construction, feature easy and simple to handle.
Description
Technical field
The invention belongs to asphalt performance technical field of measurement and test, it particularly relates to the bituminous paving of a kind of simulated rainfall
Vehicle tracking test instrument and test method thereof.
Background technology
Rut is one of bituminous paving distinctive chief destructive phenomenon, and it is defined as the depression of bituminous paving wheel path
(lighter rut).Actually rut is seriously located, and while wheel path produces depression, the bituminous concrete of its both sides often swells,
Rut now is exactly the cup depth (RD) the height sum with its both sides protuberance of wheel path.Semi-rigid asphalt pavement car
Rut is mainly produced by asphalt surface course, due to densification again or the detrusion of asphalt surface course and the different rut of the degree that produces.Rut
The exopathogenic factor of deformation is canalized traffic and load action, endogenous cause of ill be the high-temperature stability of bituminous concrete and plasticity_resistant deformation ability not
Foot.Meanwhile, running into rainfall, the generation of asphalt pavement rut is often accelerated in the existence of water, and with other diseases such as pits.Main
Road surface to be shown as can produce pore water pressure and flowing pressure, consequent flowing pressure under water and load comprehensive function
The pressure differential caused with pore water pressure can soften and peel off asphalt.Say the most to a certain extent, rut disease
It is interactive with Water Damage.
People are often through Immersion Wheel Truck Test simulation rut and the interpromoting relation in five elements together of Water Damage.In Immersion Wheel Truck Test, water
Being totally submerged rut test piece, the height of water exceeds height of specimen about 5cm.But the bituminous paving under actual condition of raining is also
It not such state, the most few Rainfall Condition, it is possible to that rain occurs in the section of the most individual other impeded drainage
Water is totally submerged bituminous paving, and exceeds the height that bituminous paving is certain.Therefore, the how bituminous paving under simulated rainfall conditions
Rut situation, be we need solve problem.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of simple in construction, easy and simple to handle and using effect good
The asphalt pavement rut tester of simulated rainfall and test method thereof.
The asphalt pavement rut tester of a kind of simulated rainfall of the present invention, described vehicle tracking test instrument includes being divided into master
Wanting the environmental cabinet 1 in battery limits and auxiliary equipment district, capital equipment district is located at the upper left side of environmental cabinet 1；Converged rain in capital equipment district
Base plate 15 is divided into upper and bottom section, and bottom is divided into collection box 17, and upper part is divided into again left half and right half；Right half
The water distributor 2 of band shower nozzle 3 it is provided with at top；Right half is provided with two card articles 13 in bottom, places examination in the middle of these two card articles 13
Mould 19；The top of die trial 19 is outstanding load wheel 12, and this load wheel 12 is fixed to the Loading Plate above load frame 31 by connecting shaft
On 32；Left half is provided with water butt 10 in bottom, is connected to the water in collection box 17 by water inlet pipe 14 bottom this water butt 10
Pump A16；Water butt 10 is provided with water pump B11, this water pump B11 and is connected to water distributor 2 by aqueduct at top；Aqueduct is past
On be also disposed with threeway 9, effusion meter 4 and electromagnetic valve 5；An only surplus outlet of threeway 9 connects the backwater of band regulation valve 7
Pipe 8, this return pipe 8 is connected to water butt 10；Auxiliary equipment district upper right portion is provided with control chamber 24.
The asphalt pavement rut tester of a kind of simulated rainfall of the present invention, is provided with on the right side of described remittance rain base plate 15
Two card articles 13 and some " one " word vacancy section；Described card article 13 is in cuboid.
The asphalt pavement rut tester of a kind of simulated rainfall of the present invention, described die trial 19 includes being trapped among base plate 30
The left side side form 28 of four sides, 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 and rear
The length direction of side form 27 is vertical with load wheel direction of travel；Left side it is provided with recessed at the top surface edge of described left side side form 28
Groove 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 on a left side
In side groove 22；Described right-hand apron 21 can be with socket joint in right groove 23, for regulating the bituminous paving car of simulated rainfall
The runoff coefficient of the surface of test piece of rut test.
The asphalt pavement rut tester of a kind of simulated rainfall of the present invention, described die trial 19 is corresponding at base plate 30
The long 30cm in space, wide 30cm, high 5cm, i.e. can make the long 30cm of type, wide 30cm, the bitumen mixture specimen of high 5cm.
The asphalt pavement rut tester of a kind of simulated rainfall of the present invention, described control chamber 24 is arranged on panel
There are display screen 33 and input keyboard 34, are being internally provided with the controller 25 that electronic circuit board connects.
The asphalt pavement rut tester of a kind of simulated rainfall of the present invention, described electromagnetic valve 5, regulation valve 7, water pump
B11 and water pump A16 all connects with controller 25.
The asphalt pavement rut tester of a kind of simulated rainfall of the present invention, is provided with temperature in described auxiliary equipment district
Sensor and heater；Described connecting shaft is provided with displacement transducer.
When being simulated the asphalt pavement rut test of rainfall, the effect edge by water pump B11 of the water in water butt 10
Outlet pipe 6 to flow in water distributor 2, and be dropped in rut test piece surface by shower nozzle 3 simulation formation raindrop, rainwater is from test specimen table
Face landing is to converging rain base plate 15 surface, and flows into collection box 17 along remittance rain base plate 15, and the water in collection box 17 passes through water pump A16
Water butt 10, the water in supply water butt 10 is flowed into water inlet pipe 14；Threeway 9 and regulation valve 7, effusion meter 4 and the association of electromagnetic valve 5
Same-action can regulate rainfall intensity；By whether baffle plate 20 and right-hand apron 21 can regulate footpath on the left of arranging in die trial both sides
Stream coefficient.
The test method of the asphalt pavement rut tester of a kind of simulated rainfall of the present invention, described test method has
Body step is:
1) in the die trial both sides of forming rut test piece, select to be suitable for the left side baffle plate 20 of height according to runoff coefficient
With right-hand apron 21, left side baffle plate 20 is inserted in the left groove 22 of die trial 19, right-hand apron 21 is inserted the right side of die trial 19
In side groove 23；
2) by test specimen together with die trial 19, it is placed in the baking oven reaching test temperature 60 DEG C ± 1 DEG C, in the examination of test specimen
Testing on the position that wheel is not walked, paste a thermocouple thermometer, temperature retention time is 5h-12h；
3) arranging environmental cabinet 1 temperature is 60 DEG C, when temperature reaches 60 DEG C ± 1 DEG C in environmental cabinet, opens environmental cabinet 1,
Water butt 10 adds the water of 2/3 volume, collection box 17 adds the water of 2/3 volume, test specimen is fixed on together with die trial 19
The centre of two card articles 13, the reading of regulation displacement transducer is between 1.5mm-2mm；
4) closing environmental cabinet 1, open effusion meter 4, regulation valve 7, electromagnetic valve 5, water pump A16, water pump B11, regulation rainfall is strong
Degree, is then shut off rainer；
5) when the temperature recovery of environmental cabinet 1 is to 60 DEG C ± 1 DEG C, start rainer, start load wheel 12, load wheel 12
Direction of travel must roll with test specimen or direction of traffic is consistent, tester automatic collection vehicle rut deforms, and load wheel 12 goes and back running
Time 1h, or when maximum distortion reaches 25mm till；During test, monitor records rutting deformation curve, test specimen temperature, ring automatically
Border case temperature, rainfall intensity, runoff coefficient, rainfall duration.
Compared with prior art, asphalt pavement rut tester and the test method thereof of simulated rainfall of the present invention has
Have the advantage that the asphalt pavement rut tester simple in construction of used simulated rainfall, reasonable in design and installation and use
Easy and simple to handle, input cost is relatively low, installs compact, takes up room less；The asphalt pavement rut examination of the simulated rainfall used
Test instrument parameter and adjust simplicity, the parameters such as rainfall intensity, runoff coefficient, rainfall duration can be adjusted, and be provided with control
Case, controls simple, can accurately control raininess degree, runoff coefficient, rainfall duration so that the asphalt pavement rut examination under condition of raining
Test process easily controllable.
Accompanying drawing explanation
Fig. 1: vehicle tracking test instrument figure of the present invention；Fig. 2: remittance rain base plate schematic diagram；Fig. 3: die trial structure chart；Fig. 4: left side
Baffle plate figure；Fig. 5: right-hand apron figure.1-environmental cabinet, 2-water distributor, 3-shower nozzle, 4-effusion meter, 5-electromagnetic valve, 6-outlet pipe, 7-
Regulation valve, 8-return pipe, 9-threeway, 10-water butt, 11-water pump B, 12-load wheel, 13-card article, 14-water inlet pipe, 15-converge rain
Baffle plate, 21-right-hand apron, a 22-left side on the left of base plate, 16-water pump A, 17-collection box, other electromechanical equipments of 18-, 19-die trial, 20-
Side form on the left of side groove, 23-right groove, 24-control chamber, 25-controller, 26-front side form, 27-rear side form, 28-,
Side form, 30-base plate, 31-load frame, 32-Loading Plate, display screen-33, input keyboard-34 on the right side of 29-.
Detailed description of the invention
Below in conjunction with specific embodiment to the asphalt pavement rut tester of simulated rainfall of the present invention itself and examination
Proved recipe method is described further, but protection scope of the present invention is not limited to this.
Embodiment 1
The asphalt pavement rut tester of a kind of simulated rainfall, including being divided into capital equipment district and the environment in auxiliary equipment district
Case 1, capital equipment district is located at the upper left side of environmental cabinet 1；Capital equipment district is converged rain base plate 15 and is divided into upper and bottom section,
Bottom is divided into collection box 17, and upper part is divided into again left half and right half；Right half is provided with the water distributor 2 of band shower nozzle 3 at top；
Right half is provided with two card articles 13 in bottom, places die trial 19 in the middle of these two card articles 13；The top of die trial 19 is outstanding has load to take turns
12, this load wheel 12 is fixed on the Loading Plate 32 above load frame 31 by connecting shaft；Left half is provided with water butt in bottom
10, the water pump A16 being connected in collection box 17 by water inlet pipe 14 bottom this water butt 10；Water butt 10 is provided with water pump at top
B11, this water pump B11 are connected to water distributor 2 by aqueduct；Aqueduct is the most also disposed with threeway 9, effusion meter 4
With electromagnetic valve 5；An only surplus outlet of threeway 9 connects the return pipe 8 of band regulation valve 7, and this return pipe 8 is connected to water butt
10；Auxiliary equipment district upper right portion is provided with control chamber 24.
Two card articles 13 and some " one " word vacancy section it is provided with on the right side of described remittance rain base plate 15；Described card article 13 is in rectangular
Body.Described die trial 19 includes 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；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 side form
Left groove 22 it is provided with at the top surface edge of 28；It is provided with right groove at the top surface edge of described right side side form 29
23；Described left side baffle plate 20 can be with socket joint in left groove 22；Described right-hand apron 21 can with socket joint in right groove 23,
For regulating the runoff coefficient of the surface of test piece that the asphalt pavement rut of simulated rainfall is tested.Described die trial 19 is at base plate 30 pair
The long 30cm in space, wide 30cm, the high 5cm answered, i.e. can make the long 30cm of type, wide 30cm, the bitumen mixture specimen of high 5cm.
Described control chamber 24 is provided with display screen 33 and input keyboard 34 on panel, is being internally provided with the control that electronic circuit board connects
Device 25 processed.Described electromagnetic valve 5, regulation valve 7, water pump B11 and water pump A16 all connect with controller 25.In described auxiliary equipment district
It is provided with temperature sensor and heater；Described connecting shaft upper end is provided with displacement transducer.
When being simulated the asphalt pavement rut test of rainfall, the effect edge by water pump B11 of the water in water butt 10
Outlet pipe 6 to flow in water distributor 2, and be dropped in rut test piece surface by shower nozzle 3 simulation formation raindrop, rainwater is from test specimen table
Face landing is to converging rain base plate 15 surface, and flows into collection box 17 along remittance rain base plate 15, and the water in collection box 17 passes through water pump A16
Water butt 10, the water in supply water butt 10 is flowed into water inlet pipe 14；Threeway 9 and regulation valve 7, effusion meter 4 and the association of electromagnetic valve 5
Same-action can regulate rainfall intensity；By whether baffle plate 20 and right-hand apron 21 can regulate footpath on the left of arranging in die trial both sides
Stream coefficient.
The test method of the asphalt pavement rut tester of a kind of simulated rainfall of the present invention, described test method has
Body step is:
1) in the die trial both sides of forming rut test piece, select to be suitable for the left side baffle plate 20 of height according to runoff coefficient
With right-hand apron 21, left side baffle plate 20 is inserted in the left groove 22 of die trial 19, right-hand apron 21 is inserted the right side of die trial 19
In side groove 23；
2) by test specimen together with die trial 19, it is placed in the baking oven reaching test temperature 60 DEG C ± 1 DEG C, in the examination of test specimen
Testing on the position that wheel is not walked, paste a thermocouple thermometer, temperature retention time is 5h-12h；
3) arranging environmental cabinet 1 temperature is 60 DEG C, when temperature reaches 60 DEG C ± 1 DEG C in environmental cabinet, opens environmental cabinet 1,
Water butt 10 adds the water of 2/3 volume, collection box 17 adds the water of 2/3 volume, test specimen is fixed on together with die trial 19
The centre of two card articles 13, the reading of regulation displacement transducer is between 1.5mm-2mm；
4) closing environmental cabinet 1, open effusion meter 4, regulation valve 7, electromagnetic valve 5, water pump A16, water pump B11, regulation rainfall is strong
Degree, is then shut off rainer；
5) when the temperature recovery of environmental cabinet 1 is to 60 DEG C ± 1 DEG C, start rainer, start load wheel 12, load wheel 12
Direction of travel must roll with test specimen or direction of traffic is consistent, tester automatic collection vehicle rut deforms, and load wheel 12 goes and back running
Time 1h, or when maximum distortion reaches 25mm till；During test, monitor records rutting deformation curve, test specimen temperature, ring automatically
Border case temperature, rainfall intensity, runoff coefficient, rainfall duration.
Compared with prior art, asphalt pavement rut tester and the test method of simulated rainfall of the present invention has
Advantages below: the asphalt pavement rut tester simple in construction of the simulated rainfall used, reasonable in design and installation and use behaviour
Making simplicity, input cost is relatively low, installs compact, takes up room less；The asphalt pavement rut test of the simulated rainfall used
Instrument parameter adjusts simplicity, can be adjusted the parameters such as rainfall intensity, runoff coefficient, rainfall duration, and be provided with control chamber,
Control simple, can accurately control raininess degree, runoff coefficient, rainfall duration so that the asphalt pavement rut test under condition of raining
Process is easily controllable.
Claims (8)
1. the asphalt pavement rut tester of a simulated rainfall, it is characterised in that described tester includes being divided into capital equipment
The environmental cabinet (1) in district and auxiliary equipment district, capital equipment district is located at the upper left side of environmental cabinet (1)；Capital equipment district is converged at the bottom of rain
Plate (15) is divided into upper and bottom section, and bottom is divided into collection box (17), and upper part is divided into again left half and right half；Right part
Divide the water distributor (2) being provided with band shower nozzle (3) at top；Right half is provided with two card articles (13) in bottom, these two card articles (13)
Middle placement die trial (19)；The top of die trial (19) is outstanding has load to take turns (12), and this load wheel (12) is fixed to lotus by connecting shaft
On the Loading Plate (32) of carrier (31) top；Left half is provided with water butt (10) in bottom, this water butt (10) bottom pass through into
Water pipe (14) is connected to the water pump A (16) in collection box (17)；Water butt (10) is provided with water pump B (11), this water pump B at top
(11) it is connected to water distributor (2) by aqueduct；Aqueduct is the most also disposed with threeway (9), effusion meter (4) and electricity
Magnet valve (5)；An only surplus outlet of threeway (9) connects the return pipe (8) of band regulation valve (7), and this return pipe (8) is connected to storage
Bucket (10)；Auxiliary equipment district upper right portion is provided with control chamber (24).
The asphalt pavement rut tester of simulated rainfall the most according to claim 1, it is characterised in that described remittance rain base plate
(15) right side is provided with two card articles (13) and some " one " word vacancy section；Described card article (13) is in cuboid.
The asphalt pavement rut tester of simulated rainfall the most according to claim 1, it is characterised in that described die trial (19)
Including being trapped among the left side side form (28) of base plate (30) four side, right side side form (29), front side form (26), rear side form (27), with
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) is taken turns with load
Direction of travel is parallel；Described front side form (26) is vertical with load wheel direction of travel with the length direction of rear side form (27)；Institute
State and be provided with left groove (22) at the top surface edge in left side side form (28)；At the top surface edge on described right side side form (29)
It is provided with right groove (23)；Described left side baffle plate (20) can be with socket joint in left groove (22)；Described right-hand apron (21)
Can be with socket joint in right groove (23), for regulating the runoff system of the surface of test piece of the asphalt pavement rut test of simulated rainfall
Number.
The asphalt pavement rut tester of simulated rainfall the most according to claim 3, it is characterised in that described die trial (19)
Space long 30cm, wide 30cm, the high 5cm corresponding at base plate (30) place, i.e. can make the long 30cm of type, wide 30cm, the drip of high 5cm
Blue or green compound test specimen.
The asphalt pavement rut tester of simulated rainfall the most according to claim 3, it is characterised in that described control chamber
(24) on panel, it is provided with display screen (33) and input keyboard (34), is internally provided with the controller that electronic circuit board connects
(25)。
The asphalt pavement rut tester of simulated rainfall the most according to claim 3, it is characterised in that described electromagnetic valve
(5), regulation valve (7), water pump B (11) and water pump A (16) all connect with controller (25).
The asphalt pavement rut tester of simulated rainfall the most according to claim 3, it is characterised in that described auxiliary equipment
Temperature sensor and heater it is provided with in district；Described connecting shaft is provided with displacement transducer.
The test method of the asphalt pavement rut tester of simulated rainfall the most according to claim 7, it is characterised in that institute
State test method to concretely comprise the following steps:
1) in the die trial both sides of forming rut test piece, according to runoff coefficient select be suitable for height left side baffle plate (20) and
Right-hand apron (21), inserts left side baffle plate (20) in the left groove (22) of die trial (19), right-hand apron (21) is inserted examination
In the right groove (23) of mould (19)；
2) by test specimen together with die trial (19), it is placed in the baking oven reaching test temperature 60 DEG C ± 1 DEG C, in the test of test specimen
On the position that wheel is not walked, pasting a thermocouple thermometer, temperature retention time is 5h-12h；
3) arranging environmental cabinet 1 temperature is 60 DEG C, when temperature reaches 60 DEG C ± 1 DEG C in environmental cabinet, opens environmental cabinet 1, at water storage
Bucket (10) adds the water of 2/3 volume, collection box (17) adds the water of 2/3 volume, test specimen is fixed together with die trial (19)
In the centre of two card articles (13), the reading of regulation displacement transducer is between 1.5mm-2mm；
4) close environmental cabinet 1, open effusion meter (4), regulation valve (7), electromagnetic valve (5), water pump A (16), water pump B (11), regulation
Rainfall intensity, is then shut off rainer；
5) when the temperature recovery of environmental cabinet (1) is to 60 DEG C ± 1 DEG C, starting rainer, start load wheel (12), load is taken turns
(12) direction of travel must roll with test specimen or direction of traffic is consistent, and tester automatic collection vehicle rut deforms, and load wheel (12) is past
Return travel time 1h, or when maximum distortion reaches 25mm till；During test, monitor records rutting deformation curve, test specimen automatically
Temperature, environmental cabinet temperature, rainfall intensity, runoff coefficient, rainfall duration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619193.8A CN106093360B (en) | 2016-08-01 | 2016-08-01 | A kind of the asphalt pavement rut tester and its test method of simulated rainfall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619193.8A CN106093360B (en) | 2016-08-01 | 2016-08-01 | A kind of the asphalt pavement rut tester and its test method of simulated rainfall |
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| CN106093360B CN106093360B (en) | 2019-04-26 |
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Cited By (3)
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| CN108508190A (en) * | 2018-04-18 | 2018-09-07 | 长沙理工大学 | A kind of vehicle tracking test instrument under simulation braking state |
| CN112525740A (en) * | 2020-07-20 | 2021-03-19 | 宝丰县公路管理局 | Rut test device and double-wheel dynamic stability calculation method |
| CN113552012A (en) * | 2021-06-28 | 2021-10-26 | 长安大学 | Device for simulating rainwater to wash solid particle pollutants on asphalt road surface |
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| CN112525740A (en) * | 2020-07-20 | 2021-03-19 | 宝丰县公路管理局 | Rut test device and double-wheel dynamic stability calculation method |
| CN113552012A (en) * | 2021-06-28 | 2021-10-26 | 长安大学 | Device for simulating rainwater to wash solid particle pollutants on asphalt road surface |
| CN113552012B (en) * | 2021-06-28 | 2024-04-19 | 长安大学 | Device for simulating solid particle pollutants on asphalt road surface by rain wash |
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