CN206208639U - The multifactor coefficient pavement test device of one kind simulation - Google Patents
The multifactor coefficient pavement test device of one kind simulation Download PDFInfo
- Publication number
- CN206208639U CN206208639U CN201621321528.XU CN201621321528U CN206208639U CN 206208639 U CN206208639 U CN 206208639U CN 201621321528 U CN201621321528 U CN 201621321528U CN 206208639 U CN206208639 U CN 206208639U
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- China
- Prior art keywords
- water
- shower nozzle
- test
- vehicle tracking
- test device
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Abstract
The utility model discloses a kind of multifactor coefficient pavement test device of simulation, the device includes adjusting the vehicle tracking test instrument and water injector of the temperature inside the box, the water injector includes water storage tank and the shower nozzle sprayed water to test specimen bottom, and the shower nozzle has the structure of adjustable irrigation pressure and water spraying time.Vehicle tracking test instrument of the present utility model can be with simulated driving load, and by adjusting the temperature inside the box come simulated environment temperature, water injector can be simulated when vehicle runs over road surface to test specimen bottom water spray, caused dynamic water wash away phenomenon in the case of road surface plate bottom empty.The adjustable spraying hydraulic pressure of water injector and water spraying time further can truly be simulated experiment.
Description
Technical field
The utility model is related to a kind of road surface test device.More particularly, to a kind of simulated driving load, environment temperature
It is multifactor with flowing pressure at the same effect pavement test device.
Background technology
Highway pavement diseases are typically the breakoff phenomenon triggered by various outsides and internal factor collective effect.Road surface
Disease problem drastically influence the security and comfortableness of vehicle traveling.In order to improve highway service quality, road is preferably avoided
The shadow that environmental factor road pavement of the appearance of face breakoff phenomenon, true reflection traffic load and environment temperature, dynamic water washing away etc. is caused
The test for simultaneously carrying out accurate quantitative analysis simultaneously is rung, design requirement can be more preferably understood, so as to reduce pavement destruction in designing in the early stage
Hidden danger.In existing experimental technique, the fatigue that can simulate road surface under car amount load long term by wheel tracking test instrument apparatus is broken
Bad phenomenon, but because with pavement destruction actual conditions difference, it is impossible to reflect that part road surface is made in the case of plat-bottom escape
Into dynamic water wash away phenomenon, and then be difficult to reflect comprehensively the breakoff phenomenon on road surface.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of multifactor coefficient pavement test device of simulation,
The pavement test device is the pavement test device for being capable of the effect simultaneously of simulated driving load, environment temperature and flowing pressure.
In order to solve the above technical problems, the utility model uses following technical proposals：
The multifactor coefficient pavement test device of one kind simulation, the device includes adjusting the rut of the temperature inside the box
Test instrument and water injector, the water injector include water storage tank and the shower nozzle sprayed water to test specimen bottom, the shower nozzle tool
There is the structure of adjustable irrigation pressure and water spraying time.
Preferably, the shower nozzle is provided with several nozzles.
Preferably, water box is provided with the vehicle tracking test instrument, the shower nozzle is located in water box.
Preferably, the water box bottom is provided with the drainpipe that the water for spraying shower nozzle discharges vehicle tracking test instrument.
Preferably, the stress changed for the stress and strain for gathering test specimen is further provided with the vehicle tracking test instrument
Strain gauge means.
The beneficial effects of the utility model are as follows：
Vehicle tracking test instrument of the present utility model can be with simulated driving load, and by adjusting the temperature inside the box come simulated environment temperature
Degree, water injector can be simulated when vehicle runs over road surface to test specimen bottom water spray, caused in the case of road surface plate bottom empty
Dynamic water wash away phenomenon.The adjustable spraying hydraulic pressure of water injector and water spraying time further can truly be simulated experiment.
Stress-strain measurement device can be observed and recorded to the stress and deformation of test specimen in real time.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows structural representation of the present utility model.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not limit protection domain of the present utility model with this.
As shown in figure 1, a kind of multifactor coefficient pavement test device of simulation includes that vehicle tracking test instrument 1 and water spray are filled
2 are put, vehicle tracking test instrument 1 includes an insulating box 11, the bottom in insulating box 11 sets test specimen fixed station 12, test specimen fixed station
12 lower section is provided with water box 17, top and is provided with guide rail 13, and wheel 14 can back and forth be travelled along guide rail 13 on the surface of test specimen 3, wheel
14 are provided with balancing weight 15, for changing test sample load, displacement transducer 16, sensor 16 are further provided with wheel 14
Measure the vertical displacement amount of wheel.Ess-strain device is additionally provided with test specimen 3, for sensing test test specimen 3 answering in test
Power and the change of strain.Water injector 2 includes water storage tank 21 and passes through the shower nozzle 22 of pipeline connection with it, and shower nozzle 22 is located at and is filled with water
Sprayed water to the bottom of test specimen 3 in case 17 and with multiple nozzles, multiple through holes are offered on test specimen fixed station 12 so that shower nozzle 22
The water energy of ejection is got at up to the bottom surface of test specimen 3, and the water that shower nozzle 22 sprays discharges insulating box finally by drainpipe 18.The energy of shower nozzle 22
Enough adjust irrigation pressure and water spraying time.Temperature sensor is further provided with insulating box 11.
, during experiment, now be fixed on test specimen 3 on test specimen fixed station 12 by pavement test device of the present utility model, adjusts
Temperature in the imposed load and insulating box 11 of balancing weight 15, then shower nozzle 22 is fixed on the lower section of test specimen 3, adjust water spray water
After pressure and time, test specimen to be tested 3 is waited to bear three's collective effect of driving load, environment temperature and flowing pressure, observation examination
The stress and strain change procedure of part 3.The utility model can accurately test out road surface in traffic load, temperature and flowing pressure three
By being influenceed under person's effect, and then performance of the road pavement under close to actual conditions is made an appraisal.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to implementation method of the present utility model, for those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms, all of implementation method cannot be exhaustive here,
It is every to belong to the obvious change or change still in of the present utility model that the technical solution of the utility model extends out
The row of protection domain.
Claims (5)
- It is 1. a kind of to simulate multifactor coefficient pavement test device, it is characterised in that：The device includes can be with regulating box The vehicle tracking test instrument and water injector of temperature, the water injector include water storage tank and the shower nozzle sprayed water to test specimen bottom, The shower nozzle has the structure of adjustable irrigation pressure and water spraying time.
- 2. pavement test device according to claim 1, it is characterised in that：The shower nozzle is provided with several nozzles.
- 3. pavement test device according to claim 1, it is characterised in that：Water box is provided with the vehicle tracking test instrument, The shower nozzle is located in water box.
- 4. pavement test device according to claim 3, it is characterised in that：The water box bottom is provided with and sprays shower nozzle Water discharge vehicle tracking test instrument drainpipe.
- 5. pavement test device according to claim 1, it is characterised in that：It is further provided with the vehicle tracking test instrument For the stress-strain measurement device that the stress and strain for gathering test specimen changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621321528.XU CN206208639U (en) | 2016-12-05 | 2016-12-05 | The multifactor coefficient pavement test device of one kind simulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621321528.XU CN206208639U (en) | 2016-12-05 | 2016-12-05 | The multifactor coefficient pavement test device of one kind simulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206208639U true CN206208639U (en) | 2017-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621321528.XU Expired - Fee Related CN206208639U (en) | 2016-12-05 | 2016-12-05 | The multifactor coefficient pavement test device of one kind simulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206208639U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315081A (en) * | 2017-06-28 | 2017-11-03 | 河海大学 | Pavement concrete damping effect test device and method |
| CN107328667A (en) * | 2017-06-23 | 2017-11-07 | 长安大学 | A kind of environmental cabinet of load environment coupling |
| 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 |
| CN109490063A (en) * | 2018-11-09 | 2019-03-19 | 北京交通大学 | Temperature-humidity-moves the annular track chamber of water-vehicular load coupling |
| CN114280283A (en) * | 2021-11-12 | 2022-04-05 | 山东大学 | Visual road void simulation and bearing test platform and method |
-
2016
- 2016-12-05 CN CN201621321528.XU patent/CN206208639U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328667A (en) * | 2017-06-23 | 2017-11-07 | 长安大学 | A kind of environmental cabinet of load environment coupling |
| CN107315081A (en) * | 2017-06-28 | 2017-11-03 | 河海大学 | Pavement concrete damping effect test device and method |
| CN107315081B (en) * | 2017-06-28 | 2020-04-03 | 河海大学 | Method for testing damping effect of pavement concrete |
| 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 |
| CN109490063A (en) * | 2018-11-09 | 2019-03-19 | 北京交通大学 | Temperature-humidity-moves the annular track chamber of water-vehicular load coupling |
| CN109490063B (en) * | 2018-11-09 | 2020-03-27 | 北京交通大学 | Annular rut test box with temperature-humidity-dynamic water-vehicle load coupling effect |
| CN114280283A (en) * | 2021-11-12 | 2022-04-05 | 山东大学 | Visual road void simulation and bearing test platform and method |
| CN114280283B (en) * | 2021-11-12 | 2023-08-11 | 山东大学 | Visual road void simulation and bearing test platform and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20181205 |