CN204630894U - A kind of porous asphalt pavement hydrological simulation device - Google Patents
A kind of porous asphalt pavement hydrological simulation device Download PDFInfo
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- CN204630894U CN204630894U CN201520307245.9U CN201520307245U CN204630894U CN 204630894 U CN204630894 U CN 204630894U CN 201520307245 U CN201520307245 U CN 201520307245U CN 204630894 U CN204630894 U CN 204630894U
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Abstract
The utility model is a kind of porous asphalt pavement hydrological simulation device.Test plummer is set up in laboratory, the flat plummer of this test is installed on awning and awning support, awning support and water supply line and rainfall shower nozzle are installed, in the middle of test plummer, ponding water tank and return pipe are set, return pipe connects ponding water tank, test plummer arranges wheel movement guide rail and rail brackets, on rail brackets, installing wheel tows vehicle frame, and wheel tows installing wheel on vehicle frame and tows motor and standard wheel, on test plummer, arrange drainage test road surface.The utility model can simulate different rainfall amount condition, the different speed of a motor vehicle and tire pressure, the hydrologic parameter such as dark, the drainage efficiency of drainage test road surface road table ponding of different road gradient and different structure measures, and can provide effective data supporting for the design of porous asphalt pavement and construction.
Description
Technical field
The utility model belongs to highway engineering field in Communication and Transportation Engineering, specifically a kind of porous asphalt pavement hydrological simulation device.
Background technology
Add up 5 ~ 7 times that the vehicle wet traffic accident rate travelled on a highway is fine day according to investigations, and when the rainy day has an accident, number of casualties economic loss, also far above fine day accident, is about 1.8 ~ 6.2 times of fine day accident.Rainfall can not be drained effectively in conventional road surface, and road table ponding generation water smoke or spray seriously reduce the visibility of road traveling, and greatly reduce the friction factor between road surface and tire, thus cause wet traffic accident to take place frequently.In order to solve the problem, start on a highway to promote drainage asphalt pavement, adopt large gap structure that rainfall can be drained from inside, road surface rapidly, be unlikely to produce large area road table ponding, ensure the safety of the driving of rainy day.Be necessary that road pavement permeability performance is studied, under current rainy day condition, the table hydrological simulation of drainage pavement road adopts approximate simulation test method: the spheroid close packed array composition drainage pavement skeleton pattern adopting different materials, bottom back up pad with holes and pervious bed support.Utilize the water circulation seepage discharge of the water tank of fix-head height, variable valve and motor adjustment model, and measure velocity field.Or directly utilize right cylinder core, adopt varying head water creep appearance to carry out infiltration coefficient mensuration.No matter adopt skeleton particle model or adopt right cylinder core, or fix-head, varying head water creep appearance simulated roadway water infiltration condition, all run road road surface hydrological characteristics under rainfall environment with reality and have larger discrepancy, cannot make for the drainage pavement seepage flow performance under the combined factors impacts such as different condition of raining, practical structures interstitial vacancy state and road gradient and evaluating accurately, thus effective test figure can not be obtained to instruct porous asphalt pavement to design and construction.Comprehensive above situation, at present for the impact of porous asphalt pavement road table water regime, good simulation laboratory test equipment is not also had for factors such as different rainfall amount, road surface voidages, in the urgent need to researching and developing porous asphalt pavement hydrological simulation test unit under the operating environment of a kind of simulation real road road surface.
Summary of the invention
The purpose of this utility model proposes a kind of porous asphalt pavement hydrological simulation device, utilizes the test section of actual making comprehensively to study the drainage efficiency under drainage pavement rainy day environment, road table hydrological variation feature and the interaction of pavement structure and road surface hydrology runoff.Analyze seepage discharge, road gradient, structural void rate for the impact of road surface rain flood runoff, set up a kind of porous asphalt pavement modeling system.
The technical solution of the utility model is:
Test plummer is set up in laboratory, the flat plummer of this test is installed awning and awning support, awning support is installed water supply line and rainfall shower nozzle, in the middle of test plummer, ponding water tank and return pipe are set, return pipe connects ponding water tank, test plummer arranges wheel movement guide rail and rail brackets, on wheel movement guide rail, installing wheel tows profile of tooth belt wheel and angle sheave, on rail brackets, installing wheel tows vehicle frame, wheel tows installing wheel on vehicle frame and tows motor and standard wheel, rhone is provided with in the position of rail brackets bottom and awning support bottom, return pipe connects rhone, on test plummer, drainage test road surface is set.
Further, bottom described test plummer, liftable holder adjustment device is set.
Further, described water supply line connects motor, and this motor is connected to ponding water tank.
Further, described return pipe is equipped with return flow meter.
Further, described wheel movement guide rail is ring-shaped guide rail.
Further, described rainfall shower nozzle is arranged along surrounding in awning support.
Further, described test plummer is connected to form by 3 meters of test plummers and 10 meters of test plummers.
Further, 10 meters of described test plummers are provided with multiple ponding and deeply measure meter.
Further, described porous asphalt pavement hydrological simulation device is by electric wiring and system console control linkage.Install sensor in the apparatus and power supply is all connected to system console by electric wiring.
The drainage pavement test section of different structure voidage is positioned on carrying platform, by liftable holder adjustment device simulation different gradient effect.Dummy activity is carried out in road surface up train load by the size of adjustment criteria wheels travel speed and wheel load.The natural precipitation process under different condition of raining can be simulated by adjustment rainfall shower nozzle.System console measures except the data-signal of meter deeply except collection return flow meter, ponding, also control whole pilot system to run, comprise Switching Power Supply, rainfall amount regulates, the speed of the lift adjustment of standard wheel, standard wheel regulates, the wheel load of standard wheel regulates, run, suddenly to stop and the function such as data output.
The beneficial effect that the utility model brings is, different rainfall amount condition, the different speed of a motor vehicle and tire pressure can be simulated, the hydrologic parameter such as dark, the drainage efficiency of drainage test road surface road table ponding of different road gradient and different structure measures, to simulate in actual operation multifactor impact condition on pavement of road comparatively truly by this test macro, reach the object of the design of assisted drainage bituminous pavement voidage and checking; Avoid the deficiency of voidage design verification in porous asphalt pavement design in the past, effective data supporting can be provided for the design of porous asphalt pavement and construction.
Accompanying drawing explanation
Fig. 1 is analogue means one-piece construction schematic diagram (stereographic map) of the present utility model.
Fig. 2 is the elevational schematic view of analogue means of the present utility model.
Fig. 3 is the floor map of analogue means of the present utility model.
Fig. 4 is simulation device system control desk structural representation of the present utility model.
In figure: 1 is awning support, 2 is water supply line, 3 is rainfall shower nozzle, 4 is rhone, 5 is motor, 6 is ponding water tank, 7 is return pipe, 8 is return flow meter, 9 is drainage test road surface, 10 is holder adjustment device, 11 is 3 meters of test plummers, 12 is standard wheel, 13 tow vehicle frame for wheel, 14 is wheel movement guide rail, 15 is rail brackets, 16 tow motor for wheel, 17 tow profile of tooth belt wheel for wheel, 18 is angle sheave, 19 is that the ponding that carrying platform base plate is installed measures meter deeply, 20 is 10 meters of test plummers, 21 is system console, 22 is display screen, 23 is main power switch, 24 is wheel lift adjustment button, 25 is wheel velocity adjustment button, 26 is wheel pressure adjustment button, 27 is rainfall amount adjustment button, 28 is bearing adjustment button, 29 for running button, 30 is stop button, 31 is data output interface.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail.
As Figure 1-3, porous asphalt pavement hydrological simulation device of the present utility model is in laboratory, set up test plummer, and test plummer is connected to form by 3 meters of test plummers 11 and 10 meters of test plummers 20; The flat plummer of this test is installed on awning and awning support 1, awning support 1 and install water supply line 2 and rainfall shower nozzle 3, rainfall shower nozzle is arranged along surrounding in awning support; Arrange ponding water tank 6 and return pipe 7 in the middle of test plummer, return pipe 7 connects ponding water tank 6, and water supply line connects motor 5, and this motor is connected to ponding water tank 6; Test plummer arranges wheel movement guide rail 14 and rail brackets 15, on wheel movement guide rail, installing wheel tows profile of tooth belt wheel 17 and 4 angle sheaves 18, wheel movement guide rail is ring-shaped guide rail, on rail brackets, installing wheel tows vehicle frame 13, wheel tows installing wheel on vehicle frame and tows motor 16 and standard wheel 12, rhone 4 is provided with in the position of rail brackets bottom and awning support bottom, return pipe 7 connects rhone, return pipe is equipped with return flow meter 8, drainage test road surface 9 is set on test plummer.Bottom test plummer, liftable holder adjustment device 10 is set.10 meters of test plummers are provided with multiple ponding and deeply measure meter 19(as shown in Figure 3).Porous asphalt pavement hydrological simulation device is controlled by system console 21, installs sensor and power supply and be all connected to system console 21(by electric wiring prior art can be adopted to install sensor and power supply, electric wiring in analogue means).Whole porous asphalt pavement hydrological simulation device controls the functions such as total power switch, height of support adjustment, wheel operation, rainfall amount adjustment and sensor data acquisition by electric wiring by system console 21.
Awning support is steel construction, can guarantee that the fixed position of water supply line 2 and rainfall shower nozzle 3 in testing is positioned at the scope on drainage test road surface 9.Water supply can be delivered to certain altitude position above drainage test road surface 9 by water supply line, carries out simulated rainfall control.On rainfall shower nozzle, drip hole size is adjustable, water can be converted to the raindrop simulated rainfall of different size.Rhone 4 can collect the draining on drainage test road surface 9 under simulated rainfall conditions.Water in ponding water tank 6 is pumped to rainfall shower nozzle 3 place by water supply line 2 by motor 5.The backwater of ponding water tank 6 for collecting in the middle of shelf test.Return pipe 7 is for guiding in rhone 4 ponding to ponding water tank 6.Return flow meter 8 can the central discharge draining into ponding water tank 6 through return pipe 7 of determination test process.The Surface of Trial Pavement of drainage test road surface 9 making on 3 meters of test plummers 11 and 10 meters of test plummers 20, width is 1 meter.Holder adjustment device 10 can carry out height by hydraulic means and regulate.Can the travelling speed of adjustment criteria wheel 12 and the contact with drainage test road surface 9, the vehicle of friction speed and different tire pressure on simulated roadway.Be fixed on wheel on wheel movement guide rail 14 to tow vehicle frame 13 and move for drawing standard wheel 12.Run guide rail 14 to be made up of joist steel, can guide wheel running orbit, rail brackets 15 runs guide rail 14 for supporting.Wheel tows motor 16 and motor car wheel can be with to tow the motion of profile of tooth belt wheel.Wheel tows profile of tooth belt wheel 17 and is fixed on wheel movement guide rail 14, can drive the motion towing vehicle frame 13 and wheel 12 by the occlusion of rack and pinion.Angle sheave 18 is for the auxiliary guide at wheel movement guide rail 14 bend place.The ponding be arranged in 10 meters long test plummer 20 base plates in circular bore measures meter 19 deeply can the depth of accumulated water on drainage test road surface 9 in the middle of determination test process.10 meters of test plummers 20 are for supporting drainage test road surface 9.21 is system console, the control operation of whole device can be carried out, comprise the functions such as Switching Power Supply, wheel lift adjustment, rainfall amount adjustment, wheel velocity adjustment, wheel pressure adjustment, height of support adjustment, test run, test time-out and determination data output.Display screen 22 can provide the parameter display in parameter adjustment and process of the test.Power switch 23 can control the opening and closing of whole test macro.Wheel lift adjustment button 24 can control wheel and move up and down.Wheel velocity regulates button 25 can regulate wheel movement speed, the different travel speeds of simulating vehicle on road surface.Wheel pressure regulates button 26 that wheel can be regulated to be applied to pressure in Surface of Trial Pavement, the travel conditions of vehicle on road surface of simulation Different Weight.Rainfall amount regulates button 27 can regulate simulated rainfall size.Bearing regulates button 28 can carry out the elevating control of four bearings.Run button 29 and can open test unit after setting completed in test parameters.Stop button 30 can stop testing device immediately.Data output interface 31 by the statistical conversion of test macro storage inside, can comprise the data such as rainfall size, wheel travelling speed and pressure, depth of accumulated water, working time.
Experimental technique: the drainage test road surface 9 of different types of structure is fixed on 3 meters long test plummers 11 and 10 meters long test plummers 20, open the power switch 23 of system console 21, use wheel lifting button 24 to adjust wheel 12 and contact with drainage test road surface 9; Use wheel pressure to regulate button 26, be set in process of the test the wheel pressure size be applied on road surface; Regulate wheel velocity control knob 20, the travelling speed of setting wheel in process of the test; Use rainfall amount control knob 27, the rainfall amount size simulated is tested in setting; Use bearing to regulate button 28, adjustment is carried out to set drainage test road gradient to four heights of support; Press and run button 29, system starts test, and water in ponding water tank 6 is transported to rainfall shower nozzle 3 by water supply line 2 by motor 5, starts precipitation with the Simulated rainfall preset; Simultaneously wheel tows motor 16 and drives and tow profile of tooth belt wheel 17 and move, under engaged gears effect, wheel tows vehicle frame 13 and the wheel 12 be fixed on vehicle frame moves with the speed preset and pressure condition, carries out break-in when moving to bend place by angle sheave 18 is auxiliary; In process of the test, the ponding depth of water on drainage test road surface 9 deeply measures meter by ponding and carries out measuring and recording related data, display screen 22 shows test data, the draining on each section of drainage test road surface 9 is converged by the rhone of each section of plummer side, ponding water tank 6 is flow to through return pipe 7, and the water discharge on each section of drainage test road surface 9 is measured by return flow meter 8, test data also can be presented on display screen 22; Test data can be exported on storer by data output interface 31 after having tested, comprise the data such as Simulated rainfall size, wheel velocity and pressure, surface gathered water dark, each section of drainage test road surface drainage amount, system operation time.If run into emergency condition in process of the test, can press stop button 30, whole test macro is by out of service.When after off-test, powered-down switch 23.
Claims (9)
1. a porous asphalt pavement hydrological simulation device, it is characterized in that: in laboratory, set up test plummer, the flat plummer of this test is installed awning and awning support, awning support is installed water supply line and rainfall shower nozzle, in the middle of test plummer, ponding water tank and return pipe are set, return pipe connects ponding water tank, test plummer arranges wheel movement guide rail and rail brackets, on wheel movement guide rail, installing wheel tows profile of tooth belt wheel and angle sheave, on rail brackets, installing wheel tows vehicle frame, wheel tows installing wheel on vehicle frame and tows motor and standard wheel, rhone is provided with in the position of rail brackets bottom and awning support bottom, return pipe connects rhone, on test plummer, drainage test road surface is set.
2. porous asphalt pavement hydrological simulation device according to claim 1, is characterized in that: arrange liftable holder adjustment device bottom described test plummer.
3. porous asphalt pavement hydrological simulation device according to claim 1, is characterized in that: described water supply line connects motor, and this motor is connected to ponding water tank.
4. porous asphalt pavement hydrological simulation device according to claim 1, is characterized in that: described return pipe is equipped with return flow meter.
5. porous asphalt pavement hydrological simulation device according to claim 1, is characterized in that: described wheel movement guide rail is ring-shaped guide rail.
6. porous asphalt pavement hydrological simulation device according to claim 1, is characterized in that: described rainfall shower nozzle is arranged along surrounding in awning support.
7. porous asphalt pavement hydrological simulation device according to claim 1, is characterized in that: described test plummer is connected to form by 3 meters of test plummers and 10 meters of test plummers.
8. porous asphalt pavement hydrological simulation device according to claim 7, is characterized in that: 10 meters of described test plummers are provided with multiple ponding and deeply measure meter.
9. porous asphalt pavement hydrological simulation device according to claim 1, is characterized in that: described porous asphalt pavement hydrological simulation device is by electric wiring and system console control linkage.
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| CN201520307245.9U CN204630894U (en) | 2015-05-13 | 2015-05-13 | A kind of porous asphalt pavement hydrological simulation device |
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| CN201520307245.9U CN204630894U (en) | 2015-05-13 | 2015-05-13 | A kind of porous asphalt pavement hydrological simulation device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807977A (en) * | 2015-05-13 | 2015-07-29 | 云南省交通规划设计研究院 | Hydrological simulation device for drainage asphalt pavement and testing method for hydrological simulation device |
| CN108982823A (en) * | 2018-08-14 | 2018-12-11 | 长沙理工大学 | Speeding-up simulation device and method in a kind of Asphalt mix for open-graded friction course drainage performance decaying behavior room |
| CN109507105A (en) * | 2018-11-16 | 2019-03-22 | 长安大学 | A kind of road antiskid Performance Test System and its test method |
| CN110823770A (en) * | 2019-11-29 | 2020-02-21 | 郑州航空工业管理学院 | Sponge city permeable pavement dust migration experimental device |
| CN112730212A (en) * | 2021-01-20 | 2021-04-30 | 上海增达科技股份有限公司 | Road environment simulation storehouse |
| 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 |
| CN113655030A (en) * | 2021-07-27 | 2021-11-16 | 浙江大学 | Wet road surface reflection coefficient detection device and method |
| 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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2015
- 2015-05-13 CN CN201520307245.9U patent/CN204630894U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807977A (en) * | 2015-05-13 | 2015-07-29 | 云南省交通规划设计研究院 | Hydrological simulation device for drainage asphalt pavement and testing method for hydrological simulation device |
| CN108982823A (en) * | 2018-08-14 | 2018-12-11 | 长沙理工大学 | Speeding-up simulation device and method in a kind of Asphalt mix for open-graded friction course drainage performance decaying behavior room |
| CN109507105A (en) * | 2018-11-16 | 2019-03-22 | 长安大学 | A kind of road antiskid Performance Test System and its test method |
| CN109507105B (en) * | 2018-11-16 | 2021-06-15 | 长安大学 | Road anti-skid performance test system and test method thereof |
| CN110823770A (en) * | 2019-11-29 | 2020-02-21 | 郑州航空工业管理学院 | Sponge city permeable pavement dust migration experimental device |
| CN112730212A (en) * | 2021-01-20 | 2021-04-30 | 上海增达科技股份有限公司 | Road environment simulation storehouse |
| CN112730212B (en) * | 2021-01-20 | 2021-08-13 | 上海增达科技股份有限公司 | Road environment simulation storehouse |
| 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 |
| CN113655030A (en) * | 2021-07-27 | 2021-11-16 | 浙江大学 | Wet road surface reflection coefficient detection device and method |
| CN113655030B (en) * | 2021-07-27 | 2022-11-01 | 浙江大学 | Device and method for detecting reflection coefficient of wet pavement |
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Address after: 650051 Yunnan province Kunming City Road No. 9 Xiang Shi Tuo Patentee after: BROADVISION ENGINEERING CONSULTANTS Address before: 650051 Yunnan province Kunming City Road No. 9 Xiang Shi Tuo Patentee before: BROADVISION ENGINEERING CONSULTANTS |
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