CN108414346A - A kind of intelligent true triaxial test system and test method that test parameters is adaptive - Google Patents
A kind of intelligent true triaxial test system and test method that test parameters is adaptive Download PDFInfo
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- CN108414346A CN108414346A CN201810260936.6A CN201810260936A CN108414346A CN 108414346 A CN108414346 A CN 108414346A CN 201810260936 A CN201810260936 A CN 201810260936A CN 108414346 A CN108414346 A CN 108414346A
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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
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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
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Abstract
The present invention provides a kind of adaptive intelligent true triaxial test system of test parameters and method, this method include：The zone of reasonableness of its corresponding true triaxial test conditional parameter is obtained according to rock sample property；The zone of reasonableness setting true triaxial test conditional parameter of the true triaxial test conditional parameter obtained according to adaptation module simultaneously simulates true triaxial test output, test result is judged whether within the scope of the bearing capacity of current true triaxial test equipment, is that then the true triaxial test conditional parameter according to setting carries out true triaxial test to rock sample；Otherwise true triaxial test conditional parameter is reset.The system includes adaptation module, intelligent response module, tentative module.By adaptively obtaining rational test parameters to experiment rock sample, instructs testing crew to set true triaxial test parameter, the safety and high efficiency of experiment are effectively ensured before the test.
Description
Technical field
The present invention relates to rock indoor load test technical field, the adaptive intelligence of specifically a kind of test parameters true three
Shaft experiment system and test method.
Background technology
When heterogeneity rock sample carries out indoor true triaxial test, due to its inherent attribute difference, heterogeneity rock sample institute energy
The loading speed born, unloding speed turn rate of deformation and rate of loading is all different, and true the three of previous heterogeneity rock sample
Axis laboratory test is required for carrying out the Reasonable Parameters that some testing experiments early period just can determine that rock sample load.
Moreover, existing true triaxial test equipment is at runtime, the artificial reckoning setting loading procedure control of generally use
Under the conditions of mode, loading speed and different stress path whether the influences success of the test such as possibility intensity of the rock failure mechanism of rock it is important because
Element.And artificially calculate often there is certain error, these human errors are easy to cause experiment and are not normally functioning or even make
Test apparatus breaks down beyond self-ability.Thus, testing crew to experiment whether can normal operation analysis there is also
Certain difficulty.
At the same time, during true triaxial test carries out, existing data acquisition and data analysis cannot synchronize progress, existing
There are the Loading Control mode of true triaxial and loading speed to need to be regulated and controled by analyzing loading procedure data, passes through loading procedure
Often there is certain uncertainty and insecurity in the change that artificial analysis means carry out control mode, and after data
Processing procedure is generally cumbersome.And experiment loading procedure, since rock sample internal injury is built up, rock self property is also changing
Become, the constant rate of loading of artificial settings can not reflect the true destructive process of rock, broken to make rock indoor test
Bad process is distorted.
With the fast development of big data, just as computer is as internet, big data is likely to be a new round
Technological revolution.The relevant technologies such as data mining, machine learning and the artificial intelligence risen therewith, may be in the change data world
Many algorithms and basic theory, realize science and technology on breakthrough.For at present since the limitation of algorithm or technology can not obtain
Some scientific achievements taken are general to be found from mass data by using big data mass storage true triaxial test data
Property scientific research rule provide data supporting.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of intelligent true triaxial test system that test parameters is adaptive
System and test method.
The technical proposal of the invention is realized in this way：
A kind of intelligent true triaxial test method that test parameters is adaptive is provided, including：
The zone of reasonableness of its corresponding true triaxial test conditional parameter is obtained according to rock sample property；
True triaxial test conditional parameter is set according to the zone of reasonableness of obtained true triaxial test conditional parameter, and is simulated true
Triaxial test export, judgement simulation true triaxial test output test result whether current true triaxial test equipment carrying energy
Within the scope of power：
Be, then according to the true triaxial test conditional parameter of setting export control instruction, control true triaxial test equipment according to
The true triaxial test conditional parameter of setting carries out true triaxial test to rock sample, obtain during true triaxial test each moment pressure,
Displacement and temperature data；The real-time deformation rate of rock all directions is calculated in real time, and real-time monitoring loading speed completes true triaxial examination
It tests；
Otherwise true triaxial test conditional parameter is reset.
This method further includes：
During carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting, real-time storage true three
Each moment pressure, displacement and temperature number during shaft experiment result and corresponding true triaxial test conditional parameter and true triaxial test
According to.
The rock sample property includes rock sample classification, rock sample density, rock sample velocity of wave, rock sample constituent and content, rock sample ruler
Very little and specimen shape.
This method further includes：It is converted to each moment pressure, displacement and temperature data is obtained during true triaxial test and answers
Power, strain data simultaneously draw load-deformation curve, stress time curve, temperature time curve.
A kind of intelligent true triaxial test system that test parameters is adaptive is also provided, including：
Adaptation module：The zone of reasonableness of its corresponding true triaxial test conditional parameter is obtained according to rock sample property；
Intelligent response module：According to the zone of reasonableness setting true three for the true triaxial test conditional parameter that adaptation module obtains
Shaft experiment conditional parameter, and true triaxial test output is simulated, whether the test result of judgement simulation true triaxial test output is being worked as
Within the scope of the bearing capacity of preceding true triaxial test equipment, it is that the true triaxial test conditional parameter currently set is sent to experiment
Otherwise module resets true triaxial test conditional parameter；
Tentative module：Control instruction is exported according to the true triaxial test conditional parameter of setting, controls true triaxial test equipment
True triaxial test is carried out to rock sample according to the true triaxial test conditional parameter of setting, each moment pressure is obtained during true triaxial test
Power, displacement and temperature data；The real-time deformation rate of rock all directions is calculated in real time, and real-time monitoring loading speed completes true triaxial
Experiment.
The system further includes：
Storage module：It is real during carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting
When storage true triaxial test result and corresponding true triaxial test conditional parameter and true triaxial test during each moment pressure, position
Shifting and temperature data.
The tentative module will also obtain each moment pressure, displacement and temperature data during true triaxial test and be converted to
Stress, strain data simultaneously draw load-deformation curve, stress time curve, temperature time curve.
The system further includes：
Update module：After the completion of experiment, real-time storage true triaxial test result and corresponding true triaxial test condition are joined
Each moment pressure, displacement and temperature data during number and true triaxial test, obtain during true triaxial test each moment pressure,
Displacement and temperature data are converted to stress, strain data and draw load-deformation curve, stress time curve, temperature-time song
Line is transferred in test result database, by the data sample input adaptive module and intelligent response in test result database
In module, according to data sample, self learning model needed for real-time update adaptation module.
A kind of computer readable storage medium is also provided, computer program is stored thereon with, which is handled
The step of device realizes the method when executing.
Also provide a kind of computer equipment, including memory, processor and storage are on a memory and can be on a processor
The step of computer program of operation, the processor realizes the method when executing the computer program program.
The present invention is tried using the data sample of a large amount of existing true triaxial tests according to rock sample property and its corresponding true triaxial
The matching relationship for testing the zone of reasonableness of conditional parameter establishes self learning model by self-learning function, constructs adaptation module.
In the true triaxial test process next time of progress, by inputting rock sample property, true triaxial test conditional parameter is adaptively provided
Zone of reasonableness is used for setting true triaxial test conditional parameter.At the same time, true for the true triaxial test condition simulation of setting
Triaxial test exports, and whether judgement analog reslt then will be within the scope of the bearing capacity of current true triaxial test equipment
The true triaxial test conditional parameter currently set is sent to tentative module, otherwise resets true triaxial test conditional parameter.
By adaptively obtaining rational test parameters to experiment rock sample, testing crew setting true triaxial test ginseng is instructed
Number improves test efficiency and success rate.The corresponding reasonable experimental condition parameter of done rock sample and plan true triaxial examination are prejudged in advance
Whether the test parameters by acquisition under the experimental condition tested is being tried within the scope of the bearing capacity of current true triaxial test equipment
The safety and high efficiency of experiment are effectively ensured before testing.The data obtained by true triaxial test establish true triaxial test data library,
It collects and stores true triaxial test data extensively in the form of big data, be conducive to efficient ROCK MECHANICS RESEARCH, and by not
It is disconnected to update the data the reliability that sample is conducive to true triaxial self learning system.By real time data processing, it is complete to draw experiment process
Load-deformation curve and full-automatic loading speed self adaptive control mode reduce later data processing work amount, and efficient complete
At the experiment of different loading methods.
Description of the drawings
Fig. 1 is the adaptive intelligent true triaxial test method flow diagram of the test parameters of the specific embodiment of the invention；
Fig. 2 is the adaptive intelligent true triaxial test method block diagram of the test parameters of the specific embodiment of the invention.
Specific implementation mode
It elaborates below in conjunction with the accompanying drawings to the specific implementation mode of the present invention.
Present embodiment provides a kind of intelligent true triaxial test method that test parameters is adaptive, as shown in Figure 1, including：
Step 1 obtains the zone of reasonableness of its corresponding true triaxial test conditional parameter according to rock sample property；
Step 2, the zone of reasonableness setting true triaxial test conditional parameter according to obtained true triaxial test conditional parameter, and
True triaxial test output is simulated, whether the test result of judgement simulation true triaxial test output is in current true triaxial test equipment
It is to then follow the steps 3 within the scope of bearing capacity, otherwise resets true triaxial test conditional parameter；
Step 3, according to the true triaxial test conditional parameter of setting export control instruction, control true triaxial test equipment according to
The true triaxial test conditional parameter of setting carries out true triaxial test to rock sample, obtain during true triaxial test each moment pressure,
Displacement and temperature data；With the progress of load, rock sample damage gradually increases, and rate of deformation also gradually increases, and calculates in real time
The real-time deformation rate of rock all directions, the rate of deformation obtained using dynamic, real-time monitoring loading speed complete true triaxial examination
It tests.This method further includes：
During carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting, real-time storage true three
Each moment pressure, displacement and temperature number during shaft experiment result and corresponding true triaxial test conditional parameter and true triaxial test
According to.
It is converted to stress, strain data simultaneously by each moment pressure, displacement and temperature data is obtained during true triaxial test
Draw load-deformation curve, stress time curve, temperature time curve.
This method further includes：
After the completion of step 4, experiment, by real-time storage true triaxial test result and corresponding true triaxial test conditional parameter and
During true triaxial test each moment pressure, displacement are obtained during each moment pressure, displacement and temperature data, true triaxial test
It is converted to stress, strain data with temperature data and draws load-deformation curve, stress time curve, temperature time curve biography
In the defeated database to test result, by the data sample input adaptive module and intelligent response module in test result database
In, according to data sample, real-time update self learning model.
The rock sample property includes rock sample classification, rock sample density, rock sample velocity of wave, rock sample constituent and content, rock sample ruler
Very little and specimen shape.
Present embodiment also provides a kind of intelligent true triaxial test system that test parameters is adaptive, as shown in Fig. 2, packet
It includes：
Adaptation module：Using the self learning model obtained according to data with existing sample training, obtained according to rock sample property
The zone of reasonableness of its corresponding true triaxial test conditional parameter；The input of the self learning model is rock sample property, and output is true
The zone of reasonableness of triaxial test conditional parameter；
Intelligent response module：According to the zone of reasonableness setting true three for the true triaxial test conditional parameter that adaptation module obtains
Shaft experiment conditional parameter, and true triaxial test output is simulated, whether the test result of judgement simulation true triaxial test output is being worked as
Within the scope of the bearing capacity of preceding true triaxial test equipment, it is that the true triaxial test conditional parameter currently set is sent to experiment
Otherwise module resets true triaxial test conditional parameter；
Tentative module：Control instruction is exported according to the true triaxial test conditional parameter of setting, controls true triaxial test equipment
True triaxial test is carried out to rock sample according to the true triaxial test conditional parameter of setting, each moment pressure is obtained during true triaxial test
Power, displacement and temperature data；The real-time deformation rate of rock all directions is calculated in real time, and real-time monitoring loading speed completes true triaxial
Experiment.The pressure, displacement and temperature data are respectively by load cell, deformation-sensor and temperature inside true triaxial test equipment
Degree sensor measures.
The system further includes：
Storage module：It is real during carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting
When storage true triaxial test result and corresponding true triaxial test conditional parameter and true triaxial test during each moment pressure, position
Shifting and temperature data.
Update module：After the completion of experiment, real-time storage true triaxial test result and corresponding true triaxial test condition are joined
Each moment pressure, displacement and temperature data during number and true triaxial test, obtain during true triaxial test each moment pressure,
Displacement and temperature data are converted to stress, strain data and draw load-deformation curve, stress time curve, temperature-time song
Line is transferred in test result database, by the data sample input adaptive module and intelligent response in test result database
In module, according to data sample, self learning model needed for real-time update adaptation module.
The tentative module will also obtain each moment pressure, displacement and temperature data during true triaxial test and be converted to
Stress, strain data simultaneously draw load-deformation curve, stress time curve, temperature time curve.
Present embodiment also provides a kind of computer readable storage medium, is stored thereon with computer program, the computer
The step of the method is realized when program is executed by processor.
Present embodiment also provides a kind of computer equipment, including memory, processor and storage are on a memory and can
The computer program run on a processor, the processor realize the step of the method when executing the computer program program
Suddenly.
Each moment during storage true triaxial test result and corresponding true triaxial test conditional parameter and true triaxial test
Pressure, displacement and temperature data are stored to test result database, as big data long-term preservation, and as adaptation module and
The learning sample of intelligent response module.The adaptation module, intelligent response module with test result database by being connected
Learn sample data therein, real-time update self learning model.
The rock sample that present embodiment is directed to is silk screen griotte, carries out true triaxial laboratory test, and rock sample property is shown in Table 1：
1 silk screen griotte rock sample property of table
| Rock sample classification | Rock sample density | Rock sample velocity of wave | Rock sample constituent and content | Specimen shape | Rock sample size |
| Griotte | 2.82g/cm3 | 4895m/s | SiO2:52%；CaO:40% | Rectangle | 50*50*100 |
By silk screen griotte rock sample property input adaptive module, the zone of reasonableness of true triaxial test conditional parameter is obtained,
Such as table 2：
The reasonable experimental condition parameter of 2 griotte of table
According to the reasonable experimental condition parameter of table 2, as a reference, the silk screen griotte true triaxial test conditional parameter of setting
Such as table 3：
The silk screen griotte true triaxial test conditional parameter that table 3 is set
By in the silk screen griotte true triaxial test conditional parameter input intelligent response module of the setting of table 3, pass through intelligence
Self learning model in respond module obtains rock strength and reaches 1200MPa, and true triaxial equipment maximum load ability is
1000MPa, the silk screen griotte true triaxial test conditional parameter currently set not Pass Test normal running (operation) conditions need weight
New settings silk screen griotte true triaxial test conditional parameter, is shown in Table 4：
The silk screen griotte true triaxial test conditional parameter that table 4 is reset
The silk screen griotte true triaxial test conditional parameter reset in table 4 is inputted in intelligent response module, is passed through
Intelligent response mould self learning model in the block obtains rock strength and reaches 350MPa, and true triaxial equipment maximum load ability is
1000MPa, this time the silk screen griotte true triaxial test conditional parameter Pass Test normal running (operation) conditions of setting, inputs true triaxial
Apparatus control system controls true triaxial equipment and continues true triaxial test.With the progress of load, rock sample damage gradually increases, and becomes
Shape rate also gradually increases, and the rate of deformation surveyed using dynamic, real-time monitoring loading speed completes true triaxial test.
After the completion of experiment, analysis result that real time information storage system obtains and corresponding true triaxial condition are conveyed into examination
It tests in result database.By in newest test result database data sample input test parameters intelligent adaptive system and
In testing equipment intelligent response system, according to data with existing sample, real-time update self learning model.
The above describes the specific implementation mode of the present invention by reference to Fig. 1, it will be understood by a person skilled in the art that, this
The product of invention is not only only limited to embodiment described above, can make without deviating from the spirit of the present invention each
Kind modification, the modification should also be included within the scope of the present invention.The scope of the present invention by appended claims and its should wait
Jljl limits.
Claims (10)
1. a kind of adaptive intelligent true triaxial test method of test parameters, which is characterized in that including：
The zone of reasonableness of its corresponding true triaxial test conditional parameter is obtained according to rock sample property；
True triaxial test conditional parameter is set according to the zone of reasonableness of obtained true triaxial test conditional parameter, and simulates true triaxial
Experiment output, judgement simulation true triaxial test output test result whether current true triaxial test equipment bearing capacity model
In enclosing：
It is control instruction then to be exported according to the true triaxial test conditional parameter of setting, control true triaxial test equipment is according to setting
True triaxial test conditional parameter true triaxial test is carried out to rock sample, obtain each moment pressure, displacement during true triaxial test
And temperature data；The real-time deformation rate of rock all directions is calculated in real time, and real-time monitoring loading speed completes true triaxial test；
Otherwise true triaxial test conditional parameter is reset.
2. according to the method described in claim 1, it is characterized in that, further including：
During carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting, the examination of real-time storage true triaxial
Test each moment pressure, displacement and temperature data during result and corresponding true triaxial test conditional parameter and true triaxial test.
3. according to the method described in claim 1, it is characterized in that, the rock sample property includes rock sample classification, rock sample density, rock
Sample velocity of wave, rock sample constituent and content, rock sample size and specimen shape.
4. according to the method described in claim 1, it is characterized in that, further including：Each moment will be obtained during true triaxial test
When pressure, displacement and temperature data are converted to stress, strain data and draw load-deformation curve, stress time curve, temperature
Half interval contour.
5. a kind of adaptive intelligent true triaxial test system of test parameters, which is characterized in that including：
Adaptation module：The zone of reasonableness of its corresponding true triaxial test conditional parameter is obtained according to rock sample property；
Intelligent response module：According to the zone of reasonableness setting true triaxial examination for the true triaxial test conditional parameter that adaptation module obtains
Conditional parameter is tested, and simulates true triaxial test output, whether the test result of judgement simulation true triaxial test output is current true
Within the scope of the bearing capacity of triaxial test equipment, it is that the true triaxial test conditional parameter currently set is sent to experiment mould
Otherwise block resets true triaxial test conditional parameter；
Tentative module：According to the true triaxial test conditional parameter of setting export control instruction, control true triaxial test equipment according to
The true triaxial test conditional parameter of setting carries out true triaxial test to rock sample, obtain during true triaxial test each moment pressure,
Displacement and temperature data；The real-time deformation rate of rock all directions is calculated in real time, and real-time monitoring loading speed completes true triaxial examination
It tests.
6. system according to claim 5, which is characterized in that further include：
Storage module：During carrying out true triaxial test to rock sample according to the true triaxial test conditional parameter of setting, deposit in real time
Store up each moment pressure during true triaxial test result and corresponding true triaxial test conditional parameter and true triaxial test, displacement and
Temperature data.
7. system according to claim 5, which is characterized in that the tentative module will also obtain during true triaxial test
Each moment pressure, displacement and temperature data is obtained to be converted to stress, strain data and draw load-deformation curve, stress time song
Line, temperature time curve.
8. system according to claim 5, which is characterized in that further include：
Update module：After the completion of experiment, by real-time storage true triaxial test result and corresponding true triaxial test conditional parameter and
During true triaxial test each moment pressure, displacement are obtained during each moment pressure, displacement and temperature data, true triaxial test
It is converted to stress, strain data with temperature data and draws load-deformation curve, stress time curve, temperature time curve biography
In the defeated database to test result, by the data sample input adaptive module and intelligent response module in test result database
In, according to data sample, self learning model needed for real-time update adaptation module.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program is located
Manage the step of realizing Claims 1-4 the method when device executes.
10. a kind of computer equipment, including memory, processor and storage are on a memory and the meter that can run on a processor
Calculation machine program, which is characterized in that the processor realizes side described in Claims 1-4 when executing the computer program program
The step of method.
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| CN110928181A (en) * | 2019-12-13 | 2020-03-27 | 东北大学 | Intelligent control method for hard rock post-peak damage process under true triaxial surface disturbance |
| CN114509366A (en) * | 2022-02-28 | 2022-05-17 | 东北大学 | Method for evaluating performance of rock true triaxial testing machine |
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| CN114509366B (en) * | 2022-02-28 | 2024-04-09 | 东北大学 | Performance evaluation method of rock true triaxial tester |
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