CN110031323A - Microcomputer controlled electro-hydraulic servo bituminous pavement emulates accelerated fatigue test system - Google Patents
Microcomputer controlled electro-hydraulic servo bituminous pavement emulates accelerated fatigue test system Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses microcomputer controlled electro-hydraulic servo bituminous pavements to emulate accelerated fatigue test system, is related to bituminous pavement detection technique field.The present invention includes controlling terminal, electric control module, temperature and Humidity Control module, laser printer, pressurization and strain module, canister, dynamic collecting instrument, Data Processing in Experiment unit, visualization technique processing module and crack propagation data processing unit.Under the control that the present invention passes through controlling terminal, l-G simulation test under various weather conditions is carried out to test specimen, to measure the indexs such as rutting depth, fatigue crack, strain, stress, the temperature of test specimen, and the automatic collection of data is carried out using dynamic collecting instrument, and then temperature and humidity changes over time the corresponding data of curve and crack propagation situation in formation stress-strain curves, rutting depth-time curve, canister, can preferably judge the performance of asphalt.
Description
Technical field
The invention belongs to bituminous pavement detection technique fields, emulate more particularly to microcomputer controlled electro-hydraulic servo bituminous pavement
Accelerated fatigue test system.
Background technique
Super highway, town road majority use bituminous pavement, and failure mode is that fatigue is drawn with weather conditions
It rises, bituminous pavement experiment on fatigue properties can be by building outdoor test road, to carry out indoor straight way, circuit simulation test
Method, this method can detecte bituminous pavement fatigue behaviour really, but there are at high cost, verification time too long problem,
So present bituminous pavement fatigue behaviour detection lacks a kind of detection system of fast and low-cost.
This system is by pressurization and strain module, canister, dynamic collecting instrument, computer control and processing system group
At, for imitating under true meteorological condition, the test of pavement durability when different vehicle load rolls；It can be used for newly mixing drip
Green concrete and cold or hot recycling plantmix mixture ratio of asphalt concrete optimization design, reach with minimum l-G simulation test cost, add
The fast performance of asphalt mixture testing time saves early stage laying Experiment Road expense, Prediction of Asphalt Mixture endurance quality.
Summary of the invention
The purpose of the present invention is to provide microcomputer controlled electro-hydraulic servo bituminous pavements to emulate accelerated fatigue test system, passes through
Under the control of controlling terminal, l-G simulation test under various weather conditions is carried out to test specimen, to measure the rutting depth of test specimen, fatigue
The indexs such as crackle, strain, stress, temperature can preferably judge the performance of asphalt.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is that microcomputer controlled electro-hydraulic servo bituminous pavement emulates accelerated fatigue test system, including controlling terminal, electricity
Gas control module, temperature and Humidity Control module, laser printer, pressurization and strain module, canister, dynamic collecting instrument, reality
Test data processing unit, visualization technique processing module and crack propagation data processing unit；
The controlling terminal passes through data transmission link and electric control module, temperature and Humidity Control module and laser printer
It is separately connected, the electric control module is connect by data transmission link with pressurization and strain module, the Temperature and Humidity Control
Module is connected to canister, and the pressurization and strain module are connect by data transmission link with dynamic collecting instrument, described
Dynamic collecting instrument is connect by data transmission link with Data Processing in Experiment unit, and the visualization technique processing module passes through number
It is connect according to transmission line with crack propagation data processing unit, the controlling terminal passes through at data transmission link and experimental data
Reason unit and crack propagation data processing unit are separately connected；
Data collection module and multichannel closed loop measurement and control instrument are equipped in the canister, the data collection module is logical
It crosses data transmission link to be separately connected with dynamic collecting instrument and visualization technique processing module, the multichannel closed loop measurement and control instrument is logical
Data transmission link is crossed to connect with dynamic collecting instrument.
Further, the pressurization and strain module include No.1 displacement sensor, No. two displacement sensors, third place shifting
Sensor, No.1 servo-cylinder, No. two servo-cylinders and No. three servo-cylinders, the data collection module include No.1 test specimen,
No. two test specimens and No. three test specimens, the No.1 test specimen, No. two test specimens and No. three test specimens are connect with multichannel closed loop measurement and control instrument.
Further, the No.1 displacement sensor is connect with No.1 servo-cylinder, No. two displacement sensors and two
The connection of number servo-cylinder, the third place displacement sensor connects with No. three servo-cylinders, the No.1 servo-cylinder and No.1 examination
Part connection, No. two servo-cylinders are connect with No. two test specimens, and No. three servo-cylinders are connect with No. three test specimens.
Further, sensor chunking, the sensing are equipped with inside the No.1 test specimen, No. two test specimens and No. three test specimens
Device chunking includes temperature sensor chunking, humidity sensor chunking and pressure sensor chunking.
Further, the Data Processing in Experiment unit includes load-deformation curve output unit, rutting depth-time
Curve output unit and temperature, humidity change over time curve output unit.
Further, the temperature and Humidity Control module passes through data transmission link and temperature control unit, humid control list
Member is separately connected, and the temperature control unit includes constant temperature mode and alternating temperature mode, and the constant temperature mode passes through data line
Road is connected with refrigeration, heating combined equipment, and the alternating temperature mode is connect by data transmission link with refrigeration, heating combined equipment, the ring
Temperature sensor and humidity sensor are equipped with inside the control cabinet of border.
Further, the humidity controlling unit is connected with drying, the wet device of system, the system by data transmission link
Cold, heating combined equipment and drying, the wet device of system are connected to canister.
Further, the temperature control unit is connect by data transmission link with temperature sensor, the humidity control
Unit processed is connect by data transmission link with humidity sensor.
The invention has the following advantages:
1, under the control that the present invention passes through controlling terminal, l-G simulation test under various weather conditions is carried out to test specimen, to survey
The indexs such as the rutting depth of test specimen, fatigue crack, strain, stress, temperature out, and the automatic of data is carried out using dynamic collecting instrument
Acquisition, and then temperature and humidity becomes at any time in formation stress-strain curves, rutting depth-time curve, canister
The corresponding data for changing curve and crack propagation situation, can preferably judge the performance of asphalt, so that pitch is mixed
Its more preferable effect can be played in production application by closing material.
2, the present invention is detected by being equipped with sensor chunking in test specimen, being equipped with multichannel closed loop in canister
Instrument makes test specimen rutting depth, fatigue crack, strain, stress, temperature during being detected through the cooperation between the two,
Etc. indexs testing result it is more accurate, thus preferably Prediction of Asphalt Mixture performance so that asphalt makes
With the demand used can be better met.
3, the present invention passes through in the temperature control unit and humidity controlling unit control environmental cabinet in temperature and Humidity Control module
Environmental change, the epidemic disaster that canister is simulated is more nearly actual scene, so that asphalt detects
As a result accuracy is improved.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural representation that microcomputer controlled electro-hydraulic servo bituminous pavement of the invention emulates accelerated fatigue test system
Figure；
Fig. 2 is the functional block diagram of temperature and Humidity Control module；
Fig. 3 is the functional block diagram inside No.1 test specimen；
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please referring to shown in Fig. 1-3, the present invention is that microcomputer controlled electro-hydraulic servo bituminous pavement emulates accelerated fatigue test system,
Including controlling terminal, electric control module, temperature and Humidity Control module, laser printer, pressurization and strain module, environmental Kuznets Curves
Case, dynamic collecting instrument, Data Processing in Experiment unit, visualization technique processing module and crack propagation data processing unit；
Controlling terminal is distinguished by data transmission link and electric control module, temperature and Humidity Control module and laser printer
Connection, electric control module are connect by data transmission link with pressurization and strain module, temperature and Humidity Control module and environment control
Case connection processed, pressurization and strain module are connect by data transmission link with dynamic collecting instrument, and dynamic collecting instrument is passed by data
Defeated route is connect with Data Processing in Experiment unit, and visualization technique processing module passes through data transmission link and crack propagation data
Processing unit connection, controlling terminal pass through data transmission link and Data Processing in Experiment unit and crack propagation data processing unit
It is separately connected, dynamic collecting instrument moves sensing from No.1 displacement sensor, No. two displacement sensors, third place for dynamic acquisition
Device, sensor chunking and multichannel closed loop measurement and control instrument data, the number that Data Processing in Experiment unit is acquired according to dynamic collecting instrument
According to showing that load-deformation curve, rutting depth-time graph and temperature, humidity changes over time curve, meanwhile, visualization
Technical treatment module can acquire the crack propagation data of No.1 test specimen, No. two test specimens and No. three test specimens, and pass through crack propagation number
Corresponding data processing is carried out according to processing unit, and Data Processing in Experiment unit and crack propagation data processing unit can will be after processing
Related data be transferred to controlling terminal and carry out final arrangement and analysis, to obtain corresponding detection data；
Data collection module and multichannel closed loop measurement and control instrument are equipped in canister, data collection module is passed by data
Defeated route is separately connected with dynamic collecting instrument and visualization technique processing module, and multichannel closed loop measurement and control instrument passes through data line
Road is connect with dynamic collecting instrument.
Wherein as shown in Figure 1, pressurization and strain module include No.1 displacement sensor, No. two displacement sensors, third places
Displacement sensor, No.1 servo-cylinder, No. two servo-cylinders and No. three servo-cylinders, data collection module include No.1 test specimen, two
Number test specimen and No. three test specimens, No.1 test specimen, No. two test specimens and No. three test specimens are connect with multichannel closed loop measurement and control instrument, dynamic acquisition
The model YSV8000 of instrument, displacement sensor model DCC100A, multichannel closed loop measurement and control instrument model Mult-01.
Wherein as shown in Figure 1, No.1 displacement sensor is connect with No.1 servo-cylinder, No. two displacement sensors are watched with No. two
Oil cylinder connection is taken, third place displacement sensor is connect with No. three servo-cylinders, and No.1 servo-cylinder is connect with No.1 test specimen, and No. two are watched
It takes oil cylinder to connect with No. two test specimens, No. three servo-cylinders are connect with No. three test specimens.
Wherein as shown in figure 3, being equipped with sensor chunking, sensor inside No.1 test specimen, No. two test specimens and No. three test specimens
Chunking includes temperature sensor chunking, humidity sensor chunking and pressure sensor chunking.
Wherein as shown in Figure 1, Data Processing in Experiment unit includes load-deformation curve output unit, rutting depth-time
Curve output unit and temperature, humidity change over time curve output unit.
Wherein as shown in Fig. 2, temperature and Humidity Control module passes through data transmission link and temperature control unit, humid control list
Member is separately connected, and temperature control unit includes constant temperature mode and alternating temperature mode, and constant temperature mode is connected with by data transmission link
Refrigeration, heating combined equipment, alternating temperature mode are connect by data transmission link with refrigeration, heating combined equipment, are equipped with inside canister
Temperature sensor and humidity sensor, temperature sensor model HM100, humidity sensor model PH-100HUMA.
Wherein as shown in Fig. 2, humidity controlling unit is connected with drying, the wet device of system, refrigeration, system by data transmission link
Thermal and drying are made wet device and are connected to canister.
Wherein as shown in Fig. 2, temperature control unit is connect by data transmission link with temperature sensor, humid control list
Member is connect by data transmission link with humidity sensor.
One concrete application of the present embodiment are as follows: the present invention controls electrical control module and temperature and humidity control by controlling terminal
Molding block operating, so that pressurization and strain module emulate under various temperature and humidity conditions to test specimen and be test, to detect to try
The indexs such as rutting depth, fatigue crack, strain, stress, the temperature of part utilize data collection module and multichannel closed loop measurement and control instrument
Joint-detection the detection data of test specimen can be made to be more nearly the detection data under true environment so that representated by test specimen
Asphalt can be utilized preferably, and data collection module and multichannel closed loop measurement and control instrument transfer data to dynamic acquisition
Instrument, dynamic collecting instrument form stress-strain curves, rutting depth-time curve, ring by Data Processing in Experiment unit
Temperature and humidity changes over time the corresponding data of curve and crack propagation situation in the control cabinet of border, and these data are transferred to control
Terminal processed, controlling terminal carry out the printing of data using laser printer；
Wherein temperature and Humidity Control module by temperature control unit and humidity controlling unit to inside canister temperature,
Humidity is adjusted, and the temperature sensor and humidity sensor in canister can timely monitor canister
Epidemic disaster data, and by data feedback to temperature control unit and humidity controlling unit, so that temperature control unit and humidity control
Unit processed is utilized respectively refrigeration, heating combined equipment and drying, the wet device of system adjusts the epidemic disaster in canister, thus more preferably
Simulating natural environment epidemic disaster state so that testing result tends to truthful data；
The system can synchronize detection to three or three or more test specimens with property during detecting to test specimen, thus
The time of test specimen detection is saved, so that the detection efficiency of test specimen is higher, each test specimen has its correspondence to watch when being detected
Oil cylinder and displacement sensor are taken, and is equipped with sensor chunking inside each test specimen, all test specimens are surveyed with multichannel closed loop
Instrument connection is controlled, so as to show that corresponding data, subsequent data can all be acquired by dynamic collecting instrument, and utilizes experimental data
Processing unit is handled, and is eventually transferred to controlling terminal and is carried out summarizing arrangement, controlling terminal is obtained finally by intelligent algorithm
Data, and visualization technique processing module can timely detect the crack propagation on test specimen, and utilize crack propagation data processing
Unit carries out the analysis of data to the crackle of test specimen, is eventually transferred to controlling terminal and carries out final arrangement, laser is recycled to beat
Print machine comes out data-printing, thus the detection of complete rear test specimen, and obtain corresponding examining report.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (8)
1. microcomputer controlled electro-hydraulic servo bituminous pavement emulates accelerated fatigue test system, it is characterised in that:
Including controlling terminal, electric control module, temperature and Humidity Control module, laser printer, pressurization and strain module, environment control
Case, dynamic collecting instrument, Data Processing in Experiment unit, visualization technique processing module and crack propagation data processing unit processed；
The controlling terminal is distinguished by data transmission link and electric control module, temperature and Humidity Control module and laser printer
Connection, the electric control module are connect by data transmission link with pressurization and strain module, the temperature and Humidity Control module
It is connected to canister, the pressurization and strain module are connect by data transmission link with dynamic collecting instrument, the dynamic
Acquisition Instrument is connect by data transmission link with Data Processing in Experiment unit, and the visualization technique processing module is passed by data
Defeated route is connect with crack propagation data processing unit, and the controlling terminal passes through data transmission link and Data Processing in Experiment list
Member and crack propagation data processing unit are separately connected；
Data collection module is equipped in the canister and multichannel closed loop measurement and control instrument, the data collection module pass through number
It is separately connected according to transmission line and dynamic collecting instrument and visualization technique processing module, the multichannel closed loop measurement and control instrument passes through number
It is connect according to transmission line with dynamic collecting instrument.
2. microcomputer controlled electro-hydraulic servo bituminous pavement according to claim 1 emulates accelerated fatigue test system, feature
It is, the pressurization and strain module include No.1 displacement sensor, No. two displacement sensors, third place displacement sensor, No.1
Servo-cylinder, No. two servo-cylinders and No. three servo-cylinders, the data collection module include No.1 test specimen, No. two test specimens and three
Number test specimen, the No.1 test specimen, No. two test specimens and No. three test specimens are connect with multichannel closed loop measurement and control instrument.
3. microcomputer controlled electro-hydraulic servo bituminous pavement according to claim 2 emulates accelerated fatigue test system, feature
It is, the No.1 displacement sensor is connect with No.1 servo-cylinder, and No. two displacement sensors and No. two servo-cylinders connect
It connecing, the third place displacement sensor is connect with No. three servo-cylinders, and the No.1 servo-cylinder is connect with No.1 test specimen, and described two
Number servo-cylinder is connect with No. two test specimens, and No. three servo-cylinders are connect with No. three test specimens.
4. microcomputer controlled electro-hydraulic servo bituminous pavement according to claim 2 emulates accelerated fatigue test system, feature
It is, sensor chunking is equipped with inside the No.1 test specimen, No. two test specimens and No. three test specimens, and the sensor chunking includes temperature
Spend sensor chunking, humidity sensor chunking and pressure sensor chunking.
5. microcomputer controlled electro-hydraulic servo bituminous pavement according to claim 1 emulates accelerated fatigue test system, feature
It is, the Data Processing in Experiment unit includes load-deformation curve output unit, rutting depth-time graph output unit
Curve output unit is changed over time with temperature, humidity.
6. microcomputer controlled electro-hydraulic servo bituminous pavement according to claim 1 emulates accelerated fatigue test system, feature
It is, the temperature and Humidity Control module is separately connected by data transmission link and temperature control unit, humidity controlling unit, institute
Stating temperature control unit includes constant temperature mode and alternating temperature mode, the constant temperature mode by data transmission link be connected with refrigeration,
Heating combined equipment, the alternating temperature mode are connect with refrigeration, heating combined equipment by data transmission link, are set inside the canister
There are temperature sensor and humidity sensor.
7. microcomputer controlled electro-hydraulic servo bituminous pavement according to claim 6 emulates accelerated fatigue test system, feature
Be, the humidity controlling unit is connected with drying, the wet device of system by data transmission link, the refrigeration, heating combined equipment and
It dries, make wet device and be connected to canister.
8. microcomputer controlled electro-hydraulic servo bituminous pavement according to claim 6 emulates accelerated fatigue test system, feature
It is, the temperature control unit is connect by data transmission link with temperature sensor, and the humidity controlling unit passes through number
It is connect according to transmission line with humidity sensor.
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| CN201910324224.0A CN110031323A (en) | 2019-04-22 | 2019-04-22 | Microcomputer controlled electro-hydraulic servo bituminous pavement emulates accelerated fatigue test system |
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2019
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Application publication date: 20190719 |