CN106840950A - A kind of experimental rig and method for evaluating bituminous paving resisting moving water performance of flushing - Google Patents
A kind of experimental rig and method for evaluating bituminous paving resisting moving water performance of flushing Download PDFInfo
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- CN106840950A CN106840950A CN201710047744.2A CN201710047744A CN106840950A CN 106840950 A CN106840950 A CN 106840950A CN 201710047744 A CN201710047744 A CN 201710047744A CN 106840950 A CN106840950 A CN 106840950A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title abstract description 10
- 230000008595 infiltration Effects 0.000 claims description 31
- 238000001764 infiltration Methods 0.000 claims description 31
- 230000003028 elevating effect Effects 0.000 claims description 16
- 239000010426 asphalt Substances 0.000 claims description 9
- 238000002474 experimental method Methods 0.000 claims description 7
- 230000002706 hydrostatic effect Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 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
- 230000009466 transformation Effects 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
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- 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
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Road Repair (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a kind of experimental rig and method for evaluating bituminous paving resisting moving water performance of flushing, including control cabinet, base plate, top board, Water collecting tube, ring-shaped bearing axle, control cabinet, support bar, Water collecting tube, shower nozzle, closed rubber slab, water-supply-pipe, feed-tank and computer, the device and method can accurately realize the evaluation to bituminous paving resisting moving water performance of flushing, and can simulate bituminous paving and washed away by all directions water pressure.
Description
Technical field
The invention belongs to bituminous pavement property detection field, it is related to a kind of examination for evaluating bituminous paving resisting moving water performance of flushing
Experiment device and method.
Background technology
The experiment Shortcomings of test bituminous paving anti-water damage ability, more lack and evaluate the punching of bituminous paving resisting moving water at present
The experimental rig and determination method of brush performance.The major defect of prior art is as follows：
1) prior art typically tests stability of asphalt mixture using indirect tensile test on frozen-thaw, existing experiment, grinds
It is all that full water is carried out to asphalt using negative pressure to study carefully, and causes that asphalt coup injury is destroyed rather than using negative pressure,
Broken ring effect of the flowing pressure to bituminous paving can not thus be reflected, bituminous paving resisting moving water performance of flushing cannot be also determined；
2) prior art is normally only washed away front and rear cleavage strength and is used for evaluation index using bitumen mixture specimen, is ignored
Bitumen mixture specimen washes away front and rear drainability change and mass change, and to have ignored flowing pressure of different sizes right
The influence of result of the test, therefore, it is impossible to finely determine bituminous paving resisting moving water performance of flushing, it is impossible to evaluate bituminous paving water resistant damage
Evil ability；
3) prior art is normally only simulated bitumen mixture specimen and is washed away under longitudinal flowing pressure, have ignored current conditions
Lower bituminous paving may be washed away by all directions flowing pressure.
The content of the invention
Shortcoming it is an object of the invention to overcome above-mentioned prior art, there is provided one kind evaluates the punching of bituminous paving resisting moving water
The experimental rig and method of brush performance, the device and method can accurately be realized commenting bituminous paving resisting moving water performance of flushing
Valency, and bituminous paving can be simulated washed away by all directions water pressure.
To reach above-mentioned purpose, the experimental rig of evaluation bituminous paving resisting moving water performance of flushing of the present invention includes control
Case processed, base plate, top board, Water collecting tube, ring-shaped bearing axle, control cabinet, support bar, Water collecting tube, shower nozzle, closed rubber slab, water-supply-pipe,
Feed-tank and computer；
Water collecting tube, top board, base plate, ring-shaped bearing axle and control cabinet are sequentially distributed from top to bottom, and the lower end of each support bar is consolidated
Due on control cabinet, the upper end of support bar is fixed on the bottom of top board through base plate, and the cross section of bituminous paving to be measured is annulus
Shape structure, bituminous paving upper end to be measured is sealingly fastened in the bottom of top board, and the lower end of bituminous paving to be measured is sealingly fastened in base plate
Top, base plate is fixed on control cabinet by ring-shaped bearing axle, and the delivery port of Water collecting tube lower end passes through top board and pitch to be measured
Road surface is connected, and shower nozzle is located in bituminous paving to be measured, and discharge outlet is offered in the middle part of base plate, and closed rubber is provided with the top of shower nozzle
Offset plate, one end of water-supply-pipe is connected with feed-tank, and the other end of water-supply-pipe passes control cabinet and base plate inserts asphalt road to be measured
It is connected with shower nozzle after in face, the bottom of feed-tank is provided with elevating lever, and elevating lever shrinks and drives water-supply-pipe, shower nozzle and closed rubber
Plate declines, and the discharge outlet in the middle part of base plate is closed by closed rubber slab；The lower end of Water collecting tube is provided with the first valve and flowmeter,
Side at the top of Water collecting tube is provided with overfall, and computer is connected with the control end and flowmeter of elevating lever；
The side of shower nozzle is circumferentially arranged with some water jets.
Overfall is provided with the second valve.
The first rubber base plate is provided between top board and Water collecting tube；
The second rubber base plate is provided between top board and bituminous paving to be measured；
The 3rd rubber base plate is provided between bituminous paving to be measured and base plate.
First rubber base plate is provided with the first annular running-on for fixing Water collecting tube；
Second rubber base plate is provided with the second annular running-on for fixing bituminous paving to be measured；
3rd rubber base plate is provided with the 3rd annular running-on for fixing bituminous paving to be measured.
Also include the collecting hood for collecting water, wherein, the bottom opening of collecting hood is fastened on control cabinet, support bar,
Base plate, top board and bituminous paving to be measured are respectively positioned in collecting hood.
The side of collecting hood bottom is communicated with outlet pipe, and outlet pipe is provided with the 3rd valve.
The test method for evaluating bituminous paving resisting moving water performance of flushing of the present invention is comprised the following steps：
1) computer controls elevating lever declines, and makes the discharge outlet in the middle part of closed rubber slab closed bottom, closes the first valve
And second valve, to being added water in Water collecting tube, when the water in Water collecting tube exceedes overfall, the second valve is opened, in making Water collecting tube
Water flowed out through overfall, untill the water in Water collecting tube is flushed with overfall, the first valve is then opened, in making Water collecting tube
Water flow into bituminous paving to be measured, and bituminous paving to be measured is filled water, simulated by the water level decreasing in Water collecting tube quiet
Water becomes pressure condition, the inwall of bituminous paving to be measured is in hydrostatic and becomes pressure condition, then detects Water collecting tube reclaimed water by flowmeter
The flow rate information for flowing downward, and the flow rate information that Water collecting tube reclaimed water flows downward is forwarded in computer, computer according to
The flow rate information that Water collecting tube reclaimed water flows downward calculates the infiltration speed V before the impassive water of bituminous paving to be measured washes away；
2) computer controls elevating lever rises, and the water in bituminous paving to be measured is discharged through the discharge outlet in base plate, opens
Shower nozzle, is rinsed by shower nozzle to the inwall of bituminous paving to be measured, then repeats step 1), obtain bituminous paving to be measured passive
Water wash away after infiltration speed Vi；
3) N-1 step 2 is repeated), obtain the infiltration speed V of N number of bituminous paving to be measuredi, then according to N number of asphalt road to be measured
The infiltration speed V in faceiCalculate bituminous paving to be measured washes away infiltration speed rate of descent ω；
4) bituminous paving to be measured is dried, and is weighed the quality m ' of current bituminous paving to be measured, then according to current
The quality m ' of bituminous paving to be measured calculates the mass loss rate λ that dynamic water washes away rear bituminous paving to be measured, completes to evaluate bituminous paving
The experiment of resisting moving water performance of flushing.
The invention has the advantages that：
The experimental rig and method for evaluating bituminous paving resisting moving water performance of flushing of the present invention leads in concrete operations
Water collecting tube is crossed to carrying out water filling in bituminous paving to be measured, so that bituminous paving inwall is in hydrostatic pressure condition, then by flow
The flow rate information that meter detection Water collecting tube reclaimed water flows downward, and the flow rate information flowed downward according to Water collecting tube reclaimed water calculates to be measured
The impassive water of bituminous paving wash away before infiltration speed, then by shower nozzle spray water the inwall of bituminous paving to be measured is carried out
Rinse, so as to obtain the infiltration speed after the passive water of bituminous paving to be measured washes away, then according to the passive water punching of bituminous paving to be measured
That brushes front and rear infiltration rate calculations bituminous paving to be measured washes away infiltration speed 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 paving to be measured, completes evaluation bituminous paving resisting moving water and washes away
The experiment of performance, simple to operate, the degree of accuracy is higher, it is easy to accomplish, while the water jet on shower nozzle is uniformly distributed circumferentially in spray
The side of head, so as to simulate bituminous paving be washed away by all directions water pressure.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of base plate 6 in the present invention；
Fig. 3 is the structural representation of top board 10 in the present invention；
Fig. 4 is the structural representation of shower nozzle 19 in the present invention.
Wherein, 1 it is control cabinet, 2 be elevating lever, 3 be feed-tank, 4 be support bar, 5 be collecting hood, 6 be base plate, 7 is the
Three rubber base plates, 8 be water-supply-pipe, 9 be bituminous paving to be measured, 10 be top board, 11 be the first valve, 12 be Water collecting tube, 13 be the
Two valves, 14 be overfall, 15 be flowmeter, 16 be closed rubber slab, 17 be the first rubber base plate, 18 be the second rubber-sole
Seat, 19 be shower nozzle, 20 be ring-shaped bearing axle, 21 be outlet pipe, 22 be the 3rd valve, 23 be computer, 24 be water jet.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to Fig. 1, the experimental rig of evaluation bituminous paving resisting moving water performance of flushing of the present invention include control cabinet 1,
Base plate 6, top board 10, Water collecting tube 12, ring-shaped bearing axle 20, control cabinet 1, support bar 4, Water collecting tube 12, shower nozzle 19, closed rubber slab
16th, water-supply-pipe 8, feed-tank 3 and computer 23；Water collecting tube 12, top board 10, base plate 6, ring-shaped bearing axle 20 and control cabinet 1 are from upper
It is sequentially distributed under, the lower end of each support bar 4 is fixed on control cabinet 1, top board is fixed in the upper end of support bar 4 through base plate 6
10 bottom, the cross section of bituminous paving to be measured 9 is cirque structure, and the upper end of bituminous paving to be measured 9 is sealingly fastened in top board 10
Bottom, the lower end of bituminous paving to be measured 9 is sealingly fastened in the top of base plate 6, and base plate 6 is fixed on control by ring-shaped bearing axle 20
On case processed 1, the delivery port of the lower end of Water collecting tube 12 is connected through top board 10 with bituminous paving to be measured 9, and shower nozzle 19 is located at drip to be measured
In blue or green road surface 9, the middle part of base plate 6 offers discharge outlet, and the top of shower nozzle 19 is provided 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 passes control cabinet 1 and base plate 6 inserts rear and shower nozzle in bituminous paving to be measured 9
19 are connected, and the bottom of feed-tank 3 is provided with elevating lever 2, and elevating lever 2 shrinks and drives water-supply-pipe 8, shower nozzle 19 and closed rubber slab 16
Decline, the discharge outlet at the middle part of base plate 6 is closed by closed rubber slab 16；The lower end of Water collecting tube 12 is provided with the first valve 11 and stream
Gauge 15, the side at the top of Water collecting tube 12 is provided with overfall 14, and computer 23 is connected with the control end and flowmeter 15 of elevating lever 2
Connect；The side of shower nozzle 19 is circumferentially arranged with some water jets 24.
Overfall 14 is provided with the second valve 13；The first rubber base plate 17 is provided between top board 10 and Water collecting tube 12；Top board 10
The second rubber base plate 18 is provided between bituminous paving to be measured 9；The 3rd rubber-sole is provided between bituminous paving to be measured 9 and base plate 6
Seat 7；First rubber base plate 17 is provided with the first annular running-on for fixing Water collecting tube 12；Second rubber base plate 18 is provided with use
In the second annular running-on of fixation bituminous paving 9 to be measured；3rd rubber base plate 7 is provided with for fixing bituminous paving to be measured 9
3rd annular running-on.
Present invention additionally comprises the collecting hood 5 for collecting water, wherein, the bottom opening of collecting hood 5 is fastened on control cabinet 1
On, support bar 4, base plate 6, top board 10 and bituminous paving to be measured 9 are respectively positioned in collecting hood 5；The side of the bottom of collecting hood 5 is communicated with
Outlet pipe 21, outlet pipe 21 is provided with the 3rd valve 22.
The test method for evaluating bituminous paving resisting moving water performance of flushing of the present invention is comprised the following steps：
1) control of computer 23 elevating lever declines, and makes the discharge outlet at the middle part of 16 closed bottom of closed rubber slab 6, closes first
The valve 13 of valve 11 and second, to being added water in Water collecting tube 12, when the water in Water collecting tube 12 exceedes overfall 14, opens the second valve
Door 13, makes the water in Water collecting tube 12 be flowed out through overfall 14, untill the water in Water collecting tube 12 is flushed with overfall 14, then
The first valve 11 is opened, in water in Water collecting tube 12 is flowed into bituminous paving 9 to be measured, and bituminous paving to be measured 9 is filled water, led to
The water level decreasing crossed in Water collecting tube 12 simulate hydrostatic become pressure condition, make bituminous paving to be measured 9 inwall be in hydrostatic transformation shape
State, then detects the flow rate information that the reclaimed water of Water collecting tube 12 flows downward by flowmeter 15, and by the reclaimed water of Water collecting tube 12 to dirty
Dynamic flow rate information is forwarded in computer 23, and the flow rate information that computer 23 flows downward according to the reclaimed water of Water collecting tube 12 is calculated to be treated
The infiltration speed V surveyed before the impassive water of bituminous paving 9 washes away；
2) control of computer 23 elevating lever 2 rises, and the water in bituminous paving to be measured 9 is discharged through the discharge outlet in base plate 6,
Shower nozzle 19 is opened, the inwall of bituminous paving to be measured 9 is rinsed by shower nozzle 19, then repeat step 1), obtain drip to be measured
The passive water in blue or green road surface 9 wash away after infiltration speed Vi；
3) N-1 step 2 is repeated), obtain the infiltration speed V of N number of bituminous paving to be measured 9i, then according to N number of pitch to be measured
The infiltration speed V on road surface 9iCalculate bituminous paving to be measured 9 washes away infiltration speed rate of descent ω；
4) bituminous paving to be measured 9 is dried, and is weighed the quality m ' of current bituminous paving to be measured 9, then basis is worked as
The quality m ' of preceding bituminous paving to be measured 9 calculates the mass loss rate λ that dynamic water washes away rear bituminous paving to be measured 9, completes to evaluate pitch
The experiment of road surface resisting moving water performance of flushing.
Specifically, the graph of a relation of the infiltration speed drawn by computer 23 and time, unit interval seepage flow speed V 'i=
Pass through the average value Q of the flow of the cross-section of river in unit intervali/ discharge section area S；Wherein, water was passed through in the unit interval
The average value Q of the flow of sectioniObtained and be input into computer 23 by flowmeter 15, discharge section area S=π dh, d are to be measured
The internal diameter of bituminous paving 9, h is the height of bituminous paving to be measured 9；The infiltration time is taken for 3 minutes, when calculating a unit per 20s
Between seep water speed, then obtain 9 unit interval infiltration speed V '1、V′2...V′9, take the average of 9 unit interval infiltration speed
Value is the horizontal infiltration speed V of bituminous paving to be measured 9, wherein,
N=6 in the present invention, sampling identical method can obtain the seepage flow speed that the dynamic water of n times washes away rear bituminous paving to be measured 9
Rate V1、V2...V6, obtain infiltration speed rate of descent ω after bituminous paving to be measured 9 is washed i timesi=(bituminous paving to be measured 9 is not passive
Infiltration speed V- bituminous pavings 9 to be measured are washed i rear infiltration speed V before water washes awayiThe impassive water punching of)/to be measured bituminous paving 9
Infiltration speed V, obtains the infiltration speed rate of descent ω after 6 bituminous pavings to be measured 9 are washed away by flowing pressure before brush1、ω2...ω6,
The average value for taking 6 infiltrations speed rate of descent washes away infiltration speed rate of descent ω as bituminous paving to be measured 9, wherein,
Dynamic water washes away the test specimen mass loss rate λ of rear bituminous paving to be measured 9=(wash away preceding test specimen dries quantity m- test specimen quilts
Dries quantity m ' after erosion damage)/preceding test specimen dries quantity m is washed away, wherein,
Claims (7)
1. it is a kind of evaluate bituminous paving resisting moving water performance of flushing experimental rig, it is characterised in that including control cabinet (1), base plate
(6), top board (10), Water collecting tube (12), ring-shaped bearing axle (20), control cabinet (1), support bar (4), Water collecting tube (12), shower nozzle
(19), closed rubber slab (16), water-supply-pipe (8), feed-tank (3) and computer (23)；
Water collecting tube (12), top board (10), base plate (6), ring-shaped bearing axle (20) and control cabinet (1) are sequentially distributed from top to bottom, respectively
The lower end of support bar (4) is fixed on control cabinet (1), and the upper end of support bar (4) is fixed on the bottom of top board (10) through base plate (6)
Portion, the cross section of bituminous paving (9) to be measured is cirque structure, and bituminous paving (9) upper end to be measured is sealingly fastened in top board (10)
Bottom, the lower end of bituminous paving (9) to be measured is sealingly fastened in the top of base plate (6), and base plate (6) is by ring-shaped bearing axle (20)
It is fixed on control cabinet (1), the delivery port of Water collecting tube (12) lower end is connected through top board (10) with bituminous paving to be measured (9),
Shower nozzle (19) offers discharge outlet in bituminous paving to be measured (9) in the middle part of base plate (6), shower nozzle is provided with close at the top of (19)
Rubber slab (16) is closed, one end of water-supply-pipe (8) is connected with feed-tank (3), and the other end of water-supply-pipe (8) passes control cabinet (1)
And base plate (6) is inserted in bituminous paving (9) to be measured and is connected with shower nozzle (19) afterwards, the bottom of feed-tank (3) is provided with elevating lever
(2), elevating lever (2) shrinks and drives water-supply-pipe (8), shower nozzle (19) and closed rubber slab (16) to decline, and makes the row in the middle part of base plate (6)
Closed by closed rubber slab (16) at the mouth of a river；The lower end of Water collecting tube (12) is provided with the first valve (11) and flowmeter (15), catchments
Side at the top of cylinder (12) is provided with overfall (14), and computer (23) is connected with the control end and flowmeter (15) of elevating lever (2)
Connect；
(19 side is circumferentially arranged with some water jets (24) for shower nozzle.
2. it is according to claim 1 evaluate bituminous paving resisting moving water performance of flushing experimental rig, it is characterised in that overflow
Mouth (14) is provided with the second valve (13).
3. it is according to claim 1 evaluate bituminous paving resisting moving water performance of flushing experimental rig, it is characterised in that
The first rubber base plate (17) is provided between top board (10) and Water collecting tube (12)；
The second rubber base plate (18) is provided between top board (10) and bituminous paving to be measured (9)；
The 3rd rubber base plate (7) is provided between bituminous paving (9) to be measured and base plate (6).
4. it is according to claim 3 evaluate bituminous paving resisting moving water performance of flushing experimental rig, it is characterised in that first
Rubber base plate (17) is provided with the first annular running-on for fixing Water collecting tube (12)；
Second rubber base plate (18) is provided with the second annular running-on for fixing bituminous paving to be measured (9)；
3rd rubber base plate (7) is provided with the 3rd annular running-on for fixing bituminous paving to be measured (9).
5. it is according to claim 1 evaluate bituminous paving resisting moving water performance of flushing experimental rig, it is characterised in that also wrap
The collecting hood (5) for collecting water is included, wherein, the bottom opening of collecting hood (5) is fastened on control cabinet (1), support bar (4),
Base plate (6), top board (10) and bituminous paving to be measured (9) are respectively positioned in collecting hood (5).
6. it is according to claim 5 evaluate bituminous paving resisting moving water performance of flushing experimental rig, it is characterised in that collect
The side for covering (5) bottom is communicated with outlet pipe (21), and outlet pipe (21) is provided with the 3rd valve (22).
7. it is a kind of evaluate bituminous paving resisting moving water performance of flushing test method, it is characterised in that based on described in claim 2
The experimental rig of bituminous paving resisting moving water performance of flushing is evaluated, is comprised the following steps：
1) computer (23) controls elevating lever (2) to decline, and 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 being added water in Water collecting tube (12), when the water in Water collecting tube (12) exceedes overfall
(14) when, the second valve (13) is opened, the water in Water collecting tube (12) is flowed out through overfall (14), until in Water collecting tube (12)
Untill water is flushed with overfall (14), the first valve (11) is then opened, the water in Water collecting tube (12) is flowed into asphalt road to be measured
In face (9), and bituminous paving to be measured (9) is filled water, hydrostatic transformation shape is simulated by the water level decreasing in Water collecting tube (12)
State, makes the inwall of bituminous paving to be measured (9) be in hydrostatic and becomes pressure condition, then by flowmeter (15) detection Water collecting tube (12)
The flow rate information that water flows downward, and the flow rate information that Water collecting tube (12) reclaimed water flows downward is forwarded in computer (23),
The flow rate information that computer (23) flows downward according to Water collecting tube (12) reclaimed water calculates the impassive water of bituminous paving (9) to be measured and washes away
Preceding infiltration speed V；
2) computer (23) controls elevating lever (2) to rise, and makes the water in bituminous paving to be measured (9) through the discharge outlet in base plate (6)
Discharge, opens shower nozzle (19), and the inwall of bituminous paving to be measured (9) is rinsed by shower nozzle (19), then repeats step
1) the infiltration speed V after the passive water of bituminous paving to be measured (9) washes away, is obtainedi；
3) N-1 step 2 is repeated), obtain the infiltration speed V of N number of bituminous paving to be measured (9)i, then according to N number of bituminous paving to be measured
(9) infiltration speed ViCalculate bituminous paving to be measured (9) washes away infiltration speed rate of descent ω；
4) bituminous paving to be measured (9) is dried, and is weighed the quality m ' of current bituminous paving (9) to be measured, then basis is worked as
The quality m ' of preceding bituminous paving to be measured (9) calculates the mass loss rate λ that dynamic water washes away rear bituminous paving to be measured (9), completes to evaluate
The experiment of bituminous paving resisting moving water performance of flushing.
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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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109682744A (en) * | 2019-02-26 | 2019-04-26 | 重庆市市政设计研究院 | A kind of experimental rig and method for evaluating asphalt paving gap Evolution |
| CN111398088A (en) * | 2020-04-09 | 2020-07-10 | 路畅 | Test device and method for testing dynamic water scouring resistance of asphalt pavement |
| CN111398087A (en) * | 2020-04-09 | 2020-07-10 | 路畅 | Test device and method for testing dynamic water scouring resistance of asphalt 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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| 周志刚等: "动水冲刷对ＡＣ－２０沥青混合料性能影响评判", 《交通科学与工程》 * |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682744A (en) * | 2019-02-26 | 2019-04-26 | 重庆市市政设计研究院 | A kind of experimental rig and method for evaluating asphalt paving gap Evolution |
| 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 |
| CN111398088A (en) * | 2020-04-09 | 2020-07-10 | 路畅 | Test device and method for testing dynamic water scouring resistance of asphalt pavement |
| CN111398087A (en) * | 2020-04-09 | 2020-07-10 | 路畅 | Test device and method for testing dynamic water scouring resistance of asphalt 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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| CN106840950B (en) | 2019-05-17 |
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