CN106840950B - A kind of experimental rig and method for evaluating bituminous pavement resisting moving water performance of flushing - Google Patents
A kind of experimental rig and method for evaluating bituminous pavement resisting moving water performance of flushing Download PDFInfo
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- CN106840950B CN106840950B CN201710047744.2A CN201710047744A CN106840950B CN 106840950 B CN106840950 B CN 106840950B CN 201710047744 A CN201710047744 A CN 201710047744A CN 106840950 B CN106840950 B CN 106840950B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 31
- 238000011156 evaluation Methods 0.000 claims abstract description 18
- 230000008595 infiltration Effects 0.000 claims description 28
- 238000001764 infiltration Methods 0.000 claims description 28
- 230000003028 elevating effect Effects 0.000 claims description 16
- 239000010426 asphalt Substances 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 6
- 230000002706 hydrostatic effect Effects 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 230000006378 damage Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
Abstract
The invention discloses a kind of experimental rigs and method for evaluating bituminous pavement resisting moving water performance of flushing, including control cabinet, bottom plate, top plate, Water collecting tube, ring-shaped bearing axis, control cabinet, support rod, Water collecting tube, spray head, closed rubber slab, water-supply-pipe, feed-tank and computer, the device and method can accurately realize the evaluation to bituminous pavement resisting moving water performance of flushing, and can simulate bituminous pavement and be washed away by all directions water pressure.
Description
Technical field
The invention belongs to bituminous pavement property detection fields, are related to a kind of examination for evaluating bituminous pavement resisting moving water performance of flushing
Experiment device and method.
Background technique
The test Shortcomings of test bituminous pavement anti-water damage ability at present more lack evaluation bituminous pavement resisting moving water punching
The experimental rig of brush performance and determining method.The major defect of the prior art is as follows:
1) prior art uses indirect tensile test on frozen-thaw generally to test stability of asphalt mixture, and existing test is ground
Studying carefully all is to carry out full water to asphalt using negative pressure, rather than using negative pressure asphalt coup injury is destroyed,
It cannot thus reflect that flowing pressure acts on the broken ring of bituminous pavement, can not also determine bituminous pavement resisting moving water performance of flushing；
2) prior art generally washes away front and back Ratio of split strength as evaluation index only with bitumen mixture specimen, ignores
Bitumen mixture specimen washes away the variation of front and back drainability and mass change, and to have ignored flowing pressure of different sizes right
The influence of test result cannot evaluate bituminous pavement water resistant damage therefore, it is impossible to finely determine bituminous pavement resisting moving water performance of flushing
Evil ability；
3) generally only simulation bitumen mixture specimen washes away the prior art under longitudinal flowing pressure, has ignored current conditions
Lower bituminous pavement may be washed away by all directions flowing pressure.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of evaluation bituminous pavement resisting moving water punching is provided
The experimental rig and method of brush performance, which, which can accurately realize, comments bituminous pavement resisting moving water performance of flushing
Valence, and bituminous pavement can be simulated and washed away by all directions water pressure.
In order to achieve the above objectives, the experimental rig of evaluation bituminous pavement resisting moving water performance of flushing of the present invention includes control
Case processed, bottom plate, top plate, Water collecting tube, ring-shaped bearing axis, control cabinet, support rod, Water collecting tube, spray head, closed rubber slab, water-supply-pipe,
Feed-tank and computer；
Water collecting tube, top plate and bottom plate, ring-shaped bearing axis and control cabinet are sequentially distributed from top to bottom, and the lower end of each support rod is solid
Due on control cabinet, the upper end of support rod passes through the bottom that bottom plate is fixed on top plate, and the cross section of bituminous pavement to be measured is annulus
Shape structure, bituminous pavement upper end to be measured are sealingly fastened in the bottom of top plate, and the lower end of bituminous pavement to be measured is sealingly fastened in bottom plate
Top, bottom plate is fixed on control cabinet by ring-shaped bearing axis, and the water outlet of Water collecting tube lower end passes through top plate and pitch to be measured
Road surface is connected, and spray head is located in bituminous pavement to be measured, and discharge outlet is offered in the middle part of bottom plate, and the top of spray head is equipped with closed rubber
One end of offset plate, water-supply-pipe is connected with feed-tank, and the other end of water-supply-pipe is pierced by control cabinet and bottom plate is inserted into asphalt road to be measured
It is connected after in face with spray head, the bottom of feed-tank is equipped with elevating lever, and elevating lever, which is shunk, drives water-supply-pipe, spray head and closed rubber
Plate decline, closes the discharge outlet in the middle part of bottom plate by closed rubber slab；The lower end of Water collecting tube is equipped with the first valve and flowmeter,
Side at the top of Water collecting tube is equipped with overflow port, and computer is connected with the control terminal of elevating lever and flowmeter；
The side of spray head is circumferentially arranged with several water jets.
Overflow port is equipped with the second valve.
The first rubber base plate is equipped between top plate and Water collecting tube；
The second rubber base plate is equipped between top plate and bituminous pavement to be measured；
Third rubber base plate is equipped between bituminous pavement and bottom plate to be measured.
First rubber base plate is equipped with the first annular running-on for fixing Water collecting tube；
Second rubber base plate is equipped with the second annular running-on for fixing bituminous pavement to be measured；
Third rubber base plate is equipped with the third annular running-on for fixing bituminous pavement to be measured.
It further include the collecting hood for collecting water, wherein the bottom opening of collecting hood is fastened on control cabinet, support rod,
Bottom plate, top plate and bituminous pavement to be measured are respectively positioned in collecting hood.
The side of collecting hood bottom is communicated with outlet pipe, and outlet pipe is equipped with third valve.
It is of the present invention evaluation bituminous pavement resisting moving water performance of flushing test method the following steps are included:
1) computer control elevating lever decline, makes the discharge outlet in the middle part of closed rubber slab closed bottom, closes the first valve
And second valve, into Water collecting tube plus water is opened the second valve, is made in Water collecting tube when the water in Water collecting tube is more than overflow port
Water flowed out through overflow port, until the water in Water collecting tube is flushed with overflow port, then open the first valve, make in Water collecting tube
Water flow into bituminous pavement to be measured, and bituminous pavement to be measured is made to fill water, is simulated by the water level decreasing in Water collecting tube quiet
Water transformation state makes the inner wall of bituminous pavement to be measured be in hydrostatic transformation state, then detects water in Water collecting tube by flowmeter
The flow rate information to flow downward, and the flow rate information that water in Water collecting tube flows downward is forwarded in computer, computer according to
The flow rate information that water flows downward in Water collecting tube calculates the infiltration rate V before the impassive water of bituminous pavement to be measured washes away；
2) computer control elevating lever rises, and the water in bituminous pavement to be measured is discharged through the discharge outlet in bottom plate, opens
Spray head is rinsed by inner wall of the spray head to bituminous pavement to be measured, then repeats step 1), it is passive to obtain bituminous pavement to be measured
Water wash away after infiltration rate Vi；
3) N-1 step 2 is repeated, the infiltration rate V of N number of bituminous pavement to be measured is obtainedi, then according to N number of asphalt road to be measured
The infiltration rate V in faceiCalculate bituminous pavement to be measured washes away infiltration rate rate of descent ω；
4) bituminous pavement to be measured is dried, and weighs the quality m ' of current bituminous pavement to be measured, then according to current
The mass loss rate λ that water washes away rear bituminous pavement to be measured is moved in the quality m ' calculating of bituminous pavement to be measured, completes evaluation bituminous pavement
The test of resisting moving water performance of flushing.
The invention has the following advantages:
The experimental rig and method of evaluation bituminous pavement resisting moving water performance of flushing of the present invention lead to when specific operation
It crosses Water collecting tube to be filled the water into bituminous pavement to be measured, so that bituminous pavement inner wall be made to be in hydrostatic pressure condition, then passes through flow
The flow rate information that water flows downward in meter detection Water collecting tube, and it is to be measured according to the flow rate information calculating that water in Water collecting tube flows downward
The impassive water of bituminous pavement wash away before infiltration rate, then the inner wall of bituminous pavement to be measured is carried out by the water that spray head sprays
It rinses, to obtain the infiltration rate after the passive water of bituminous pavement to be measured washes away, is then rushed according to the passive water of bituminous pavement to be measured
That brushes the infiltration rate calculations bituminous pavement to be measured of front and back washes away infiltration rate rate of descent ω, while according to pitch to be measured after flushing
The quality on road surface obtains the mass loss rate λ that dynamic water washes away rear bituminous pavement to be measured, completes evaluation bituminous pavement resisting moving water and washes away
The test of performance, easy to operate, accuracy is higher, it is easy to accomplish, while the water jet on spray head is uniformly distributed circumferentially in spray
The side of head, is washed away to simulate bituminous pavement by all directions water pressure.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of insole board 6 of the present invention；
Fig. 3 is the structural schematic diagram of top plate 10 in the present invention；
Fig. 4 is the structural schematic diagram of spray head 19 in the present invention.
Wherein, 1 it is control cabinet, 2 be elevating lever, 3 be feed-tank, 4 be support rod, 5 be collecting hood, 6 be bottom plate, 7 is
Three rubber base plates, 8 be water-supply-pipe, 9 be bituminous pavement to be measured, 10 be top plate, 11 be the first valve, 12 be Water collecting tube, 13 be
Two valves, 14 be overflow port, 15 be flowmeter, 16 be closed rubber slab, 17 be the first rubber base plate, 18 be the second rubber-sole
Seat, 19 be spray head, 20 be ring-shaped bearing axis, 21 be outlet pipe, 22 be third valve, 23 be computer, 24 be water jet.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
With reference to Fig. 1, it is of the present invention evaluation bituminous pavement resisting moving water performance of flushing experimental rig include control cabinet 1,
Bottom plate 6, top plate 10, Water collecting tube 12, ring-shaped bearing axis 20, control cabinet 1, support rod 4, Water collecting tube 12, spray head 19, closed rubber slab
16, water-supply-pipe 8, feed-tank 3 and computer 23；Water collecting tube 12, top plate 10, bottom plate 6, ring-shaped bearing axis 20 and control cabinet 1 are from upper
It is sequentially distributed under, the lower end of each support rod 4 is fixed on control cabinet 1, and the upper end of support rod 4 passes through bottom plate 6 and is fixed on top plate
The cross section of 10 bottom, bituminous pavement 9 to be measured is cirque structure, and 9 upper end of bituminous pavement to be measured is sealingly fastened in top plate 10
Bottom, the lower end of bituminous pavement 9 to be measured is sealingly fastened in the top of bottom plate 6, and bottom plate 6 is fixed on control by ring-shaped bearing axis 20
On case 1 processed, the water outlet of 12 lower end of Water collecting tube passes through top plate 10 and is connected with bituminous pavement 9 to be measured, and spray head 19 is located at drip to be measured
In green road surface 9, the middle part of bottom plate 6 offers discharge outlet, and the top of spray head 19 is equipped with closed rubber slab 16, one end of water-supply-pipe 8
It is connected with feed-tank 3, the other end of water-supply-pipe 8 is pierced by control cabinet 1 and bottom plate 6 is inserted into bituminous pavement 9 to be measured rear and spray head
19 are connected, and the bottom of feed-tank 3 is equipped with elevating lever 2, and elevating lever 2, which is shunk, drives water-supply-pipe 8, spray head 19 and closed rubber slab 16
Decline closes the discharge outlet at 6 middle part of bottom plate by closed rubber slab 16；The lower end of Water collecting tube 12 is equipped with the first valve 11 and stream
The side of meter 15,12 top of Water collecting tube is equipped with overflow port 14, and computer 23 is connected with the control terminal of elevating lever 2 and flowmeter 15
It connects；The side of spray head 19 is circumferentially arranged with several water jets 24.
Overflow port 14 is equipped with the second valve 13；The first rubber base plate 17 is equipped between top plate 10 and Water collecting tube 12；Top plate 10
The second rubber base plate 18 is equipped between bituminous pavement 9 to be measured；Third rubber-sole is equipped between bituminous pavement 9 and bottom plate 6 to be measured
Seat 7；First rubber base plate 17 is equipped with the first annular running-on for fixing Water collecting tube 12；Second rubber base plate 18, which is equipped with, to be used
In the second annular running-on of fixation bituminous pavement 9 to be measured；Third rubber base plate 7 is equipped with for fixing bituminous pavement 9 to be measured
Third annular running-on.
The invention also includes the collecting hoods 5 for collecting water, wherein the bottom opening of collecting hood 5 is fastened on control cabinet 1
On, support rod 4, bottom plate 6, top plate 10 and bituminous pavement to be measured 9 are respectively positioned in collecting hood 5；The side of 5 bottom of collecting hood is communicated with
Outlet pipe 21, outlet pipe 21 are equipped with third valve 22.
It is of the present invention evaluation bituminous pavement resisting moving water performance of flushing test method the following steps are included:
1) computer 23 controls elevating lever decline, makes the discharge outlet at closed 16 closed bottom of rubber slab, 6 middle part, closes first
Valve 11 and the second valve 13, into Water collecting tube 12 plus water opens the second valve when the water in Water collecting tube 12 is more than overflow port 14
Door 13, flows out the water in Water collecting tube 12 through overflow port 14, until the water in Water collecting tube 12 is flushed with overflow port 14, then
The first valve 11 is opened, flows into the water in Water collecting tube 12 in bituminous pavement 9 to be measured, and bituminous pavement 9 to be measured is made to fill water, leads to
The water level decreasing crossed in Water collecting tube 12 simulates hydrostatic transformation state, so that the inner wall of bituminous pavement 9 to be measured is in hydrostatic transformation shape
Then state detects the flow rate information that flows downward of water in Water collecting tube 12 by flowmeter 15, and by water in Water collecting tube 12 to flowing down
Dynamic flow rate information is forwarded in computer 23, computer 23 according to water flows downward in Water collecting tube 12 flow rate information calculate to
Survey the infiltration rate V before the impassive water of bituminous pavement 9 washes away；
2) computer 23 controls elevating lever 2 and rises, and the water in bituminous pavement 9 to be measured is discharged through the discharge outlet in bottom plate 6,
Spray head 19 is opened, is rinsed by inner wall of the spray head 19 to bituminous pavement 9 to be measured, is then repeated step 1), obtain drip to be measured
The passive water in green road surface 9 wash away after infiltration rate Vi；
3) N-1 step 2 is repeated, the infiltration rate V of N number of bituminous pavement to be measured 9 is obtainedi, then according to N number of pitch to be measured
The infiltration rate V on road surface 9iCalculate bituminous pavement 9 to be measured washes away infiltration rate rate of descent ω；
4) bituminous pavement 9 to be measured is dried, and weighs the quality m ' of current bituminous pavement 9 to be measured, then basis is worked as
The mass loss rate λ that water washes away rear bituminous pavement to be measured 9 is moved in the quality m ' calculating of preceding bituminous pavement to be measured 9, completes evaluation pitch
The test of road surface resisting moving water performance of flushing.
Specifically, the relational graph for the infiltration rate and time drawn by computer 23, unit time seepage flow speed V 'i=
Pass through the average value Q of the flow of the cross-section of river in unit timei/ discharge section area S；Wherein, passed through water in the unit time
The average value Q of the flow of sectioniIt is obtained by flowmeter 15 and is inputted in computer 23, discharge section area S=π dh, d are to be measured
The internal diameter of bituminous pavement 9, h are the height of bituminous pavement 9 to be measured；Taking the infiltration time is 3 minutes, when every 20s calculates a unit
Between seep water rate, then obtaining 9 unit time seeps water rate V '1、V′2...V′9, take being averaged for 9 unit time infiltration rates
Value is the lateral infiltration rate V of bituminous pavement 9 to be measured, wherein
N=6 in the present invention, the seepage flow speed that the dynamic water of n times washes away rear bituminous pavement to be measured 9 can be found out by sampling identical method
Rate V1、V2...V6, obtain the rate rate of descent ω that seeps water after bituminous pavement 9 to be measured is washed i timesi=(bituminous pavement 9 to be measured is not passive
Infiltration rate V after infiltration rate V- bituminous pavement 9 to be measured is washed i times before water washes awayiThe impassive water punching of)/to be measured bituminous pavement 9
Seep water rate V before brush, obtains the infiltration rate rate of descent ω after 6 bituminous pavements 9 to be measured are washed away by flowing pressure1、ω2...ω6,
The average value of 6 infiltrations rate rate of descent is taken to wash away infiltration rate rate of descent ω as bituminous pavement 9 to be measured, wherein
Dynamic water washes away the test specimen mass loss rate λ of rear bituminous pavement to be measured 9=(test specimen dries quantity m- test specimen quilt before washing away
Dries quantity m ' after erosion damage)/wash away preceding test specimen dries quantity m, wherein
Claims (7)
1. a kind of experimental rig for evaluating bituminous pavement resisting moving water performance of flushing, which is characterized in that including control cabinet (1), bottom plate
(6), top plate (10), ring-shaped bearing axis (20), support rod (4), Water collecting tube (12), spray head (19), closed rubber slab (16), water delivery
Manage (8), feed-tank (3) and computer (23)；
Water collecting tube (12), top plate (10), bottom plate (6), ring-shaped bearing axis (20) and control cabinet (1) are sequentially distributed from top to bottom, respectively
The lower end of support rod (4) is fixed on control cabinet (1), and the upper end of support rod (4) passes through the bottom that bottom plate (6) are fixed on top plate (10)
The cross section in portion, bituminous pavement (9) to be measured is cirque structure, and bituminous pavement (9) upper end to be measured is sealingly fastened in top plate (10)
Bottom, the lower end of bituminous pavement (9) to be measured is sealingly fastened in the top of bottom plate (6), and bottom plate (6) passes through ring-shaped bearing axis (20)
It being fixed on control cabinet (1), the water outlet of Water collecting tube (12) lower end passes through top plate (10) and is connected with bituminous pavement to be measured (9),
Spray head (19) is located in bituminous pavement to be measured (9), and discharge outlet is offered in the middle part of bottom plate (6), and the top of spray head (19) is equipped with close
It closes rubber slab (16), one end of water-supply-pipe (8) is connected with feed-tank (3), and the other end of water-supply-pipe (8) is pierced by control cabinet (1)
And bottom plate (6) is inserted into bituminous pavement (9) to be measured and is connected afterwards with spray head (19), the bottom of feed-tank (3) is equipped with elevating lever
(2), elevating lever (2), which is shunk, drives water-supply-pipe (8), spray head (19) and closed rubber slab (16) decline, makes the row in the middle part of bottom plate (6)
It is closed by closed rubber slab (16) at the mouth of a river；The lower end of Water collecting tube (12) is equipped with the first valve (11) and flowmeter (15), catchments
Side at the top of cylinder (12) is equipped with overflow port (14), and computer (23) is connected with the control terminal of elevating lever (2) and flowmeter (15)
It connects；
(19 side is circumferentially arranged with several water jets (24) for spray head.
2. the experimental rig of evaluation bituminous pavement resisting moving water performance of flushing according to claim 1, which is characterized in that overflow
Mouth (14) is equipped with the second valve (13).
3. the experimental rig of evaluation bituminous pavement resisting moving water performance of flushing according to claim 1, which is characterized in that
The first rubber base plate (17) are equipped between top plate (10) and Water collecting tube (12)；
The second rubber base plate (18) are equipped between top plate (10) and bituminous pavement to be measured (9)；
Third rubber base plate (7) are equipped between bituminous pavement (9) to be measured and bottom plate (6).
4. the experimental rig of evaluation bituminous pavement resisting moving water performance of flushing according to claim 3, which is characterized in that first
Rubber base plate (17) is equipped with the first annular running-on for fixing Water collecting tube (12)；
Second rubber base plate (18) is equipped with the second annular running-on for fixing bituminous pavement to be measured (9)；
Third rubber base plate (7) is equipped with the third annular running-on for fixing bituminous pavement to be measured (9).
5. the experimental rig of evaluation bituminous pavement resisting moving water performance of flushing according to claim 1, which is characterized in that also wrap
Including the collecting hood (5) for collecting water, wherein the bottom opening of collecting hood (5) is fastened on control cabinet (1), support rod (4),
Bottom plate (6), top plate (10) and bituminous pavement to be measured (9) are respectively positioned in collecting hood (5).
6. the experimental rig of evaluation bituminous pavement resisting moving water performance of flushing according to claim 5, which is characterized in that collect
The side of cover (5) bottom is communicated with outlet pipe (21), and outlet pipe (21) is equipped with third valve (22).
7. a kind of test method for evaluating bituminous pavement resisting moving water performance of flushing, which is characterized in that based on as claimed in claim 2
Evaluate the experimental rig of bituminous pavement resisting moving water performance of flushing, comprising the following steps:
1) computer (23) control elevating lever (2) decline, makes the discharge outlet in the middle part of closed rubber slab (16) closed bottom (6), closes
The first valve (11) and the second valve (13) are closed, to Water collecting tube (12) Nei Jiashui, when the water in Water collecting tube (12) is more than overflow port
(14) it when, opens the second valve (13), flows out the water in Water collecting tube (12) through overflow port (14), until in Water collecting tube (12)
Until water is flushed with overflow port (14), the first valve (11) are then opened, the water in Water collecting tube (12) is made to flow into asphalt road to be measured
In face (9), and bituminous pavement to be measured (9) is made to fill water, hydrostatic transformation shape is simulated by the water level decreasing in Water collecting tube (12)
State makes the inner wall of bituminous pavement to be measured (9) be in hydrostatic transformation state, then by flowmeter (15) detection Water collecting tube (12)
The flow rate information that water flows downward, and the flow rate information that water flows downward in Water collecting tube (12) is forwarded in computer (23),
Computer (23) calculates the impassive water of bituminous pavement (9) to be measured according to the flow rate information that water flows downward in Water collecting tube (12) and washes away
Preceding infiltration rate V；
2) computer (23) control elevating lever (2) rises, and makes the water in bituminous pavement to be measured (9) through the discharge outlet in bottom plate (6)
Discharge opens spray head (19), is rinsed by inner wall of the spray head (19) to bituminous pavement to be measured (9), then repeats step
1) the infiltration rate V after the passive water of bituminous pavement to be measured (9) washes away, is obtainedi；
3) N-1 step 2 is repeated, the infiltration rate V of N number of bituminous pavement to be measured (9) is obtainedi, then according to N number of bituminous pavement to be measured
(9) infiltration rate ViCalculate bituminous pavement to be measured (9) washes away infiltration rate rate of descent ω, wherein N=6；
4) bituminous pavement to be measured (9) is dried, and weighs the quality m ' of current bituminous pavement (9) to be measured, then basis is worked as
The mass loss rate λ that water washes away rear bituminous pavement to be measured (9) is moved in the quality m ' calculating of preceding bituminous pavement to be measured (9), completes evaluation
The test of bituminous pavement resisting moving water performance of flushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710047744.2A CN106840950B (en) | 2017-01-22 | 2017-01-22 | A kind of experimental rig and method for evaluating bituminous pavement resisting moving water performance of flushing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047744.2A CN106840950B (en) | 2017-01-22 | 2017-01-22 | A kind of experimental rig and method for evaluating bituminous pavement resisting moving water performance of flushing |
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| CN106840950A CN106840950A (en) | 2017-06-13 |
| CN106840950B true CN106840950B (en) | 2019-05-17 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109682744B (en) * | 2019-02-26 | 2023-09-19 | 重庆市市政设计研究院有限公司 | Test device and method for evaluating permeable asphalt pavement gap evolution rule |
| CN111398087B (en) * | 2020-04-09 | 2022-04-12 | 路畅 | Test device for testing dynamic water scouring resistance of asphalt pavement |
| CN111398088B (en) * | 2020-04-09 | 2022-12-09 | 义乌市子鱼创意设计有限公司 | Test device for testing moving water scouring resistance of bituminous pavement |
| CN112082896A (en) * | 2020-09-29 | 2020-12-15 | 广西壮族自治区水利科学研究院 | Multi-gradient natural rainwater erosion resistance performance test device and test method |
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