CN111721641A - Heating constant temperature device and method for high-temperature rock uniaxial compression test - Google Patents
Heating constant temperature device and method for high-temperature rock uniaxial compression test Download PDFInfo
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- CN111721641A CN111721641A CN202010499441.6A CN202010499441A CN111721641A CN 111721641 A CN111721641 A CN 111721641A CN 202010499441 A CN202010499441 A CN 202010499441A CN 111721641 A CN111721641 A CN 111721641A
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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
- G01N3/18—Performing tests at high or low temperatures
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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
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0252—Monoaxial, i.e. the forces being applied along a single axis of the specimen
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Abstract
The invention discloses a heating constant temperature device for a high-temperature rock uniaxial compression test, which comprises a heating constant temperature unit, a force transmission unit, a protection unit and a monitoring unit. Be equipped with heating constant temperature unit, biography power unit and monitoring unit in the protection unit, the monitoring unit can contact with standard cylinder rock test piece, heating constant temperature unit and biography power unit, and biography power unit connection press is in order to exert pressure to standard cylinder rock test piece, and heating constant temperature unit can cladding standard cylinder rock test piece, and biography power unit still communicates the protection unit in order to cool off. The device can be used together with a single-shaft press to simulate the influence of different temperature environments on the mechanical property of a rock test piece, has the remarkable advantages of simplicity in operation, easiness in control and high test efficiency, can effectively avoid test errors caused by invasion of hydraulic oil and temperature rise of a test element, and can conveniently and accurately obtain the basic mechanical parameters of the high-temperature rock.
Description
Technical Field
The invention relates to the field of rock mechanics and deep rock mass engineering research, in particular to a heating constant temperature device and a heating constant temperature method for a high-temperature rock uniaxial compression test.
Background
The engineering of development and utilization of geothermal energy, underground disposal of nuclear waste, deep mining of mineral resources and the like all relate to the problem of mechanical behavior of rock mass in a high-temperature environment. The temperature is an important factor influencing the mechanical properties of the rock mass, and the stress deformation and damage fracture behaviors of the high-temperature rock mass directly influence the resource development efficiency and the safety of the underground structure, so that the high-temperature rock mass is widely concerned by the academic and engineering fields.
Compared with the normal temperature condition, the mechanical behavior of high-temperature rock mass is usually more complicated, and the scholars at home and abroad mostly adopt the indoor test method to carry out basic research work on high-temperature rock test pieces in the past, and the test device commonly used at present includes MTS, rock triaxial rheometer and the like, and the existing device can simulate the loading environment of rock under the high-temperature state, but the inventor thinks that the inventor still has a lot of deficiencies or inconveniences, mainly includes: (1) heating of a test piece is usually carried out in a triaxial pressure chamber, and the steps of test piece packaging, pressure chamber oil filling, oil temperature cooling after the test is finished and the like are complicated, so that the test efficiency is greatly influenced; (2) in the process of the stress deformation and the damage of the test piece, high-temperature hydraulic oil easily penetrates through the rubber film or the heat-shrinkable tube to invade the interior of the test piece, so that the accuracy of the test result is reduced; (3) the hydraulic oil generally adopts a resistance wire heating mode, the influence range of a heating area is large, and the temperature rise of the triaxial pressure chamber and the test element influences the test precision and the test safety.
Disclosure of Invention
Aiming at the defects of the existing device, the invention aims to provide a simple heating constant-temperature device for a high-temperature rock uniaxial compression test and a using method thereof, which can be used together with a uniaxial press, have the obvious advantages of simple operation, easy control and high test efficiency, can effectively avoid test errors caused by invasion of hydraulic oil and temperature rise of a test element, can conveniently and accurately obtain basic mechanical parameters of the high-temperature rock, and have important significance for research on mechanical properties and destructive behavior of the high-temperature rock.
The first purpose of the invention is to provide a heating thermostat for a uniaxial compression test of high-temperature rocks.
The second purpose of the invention is to provide a test method for the uniaxial compression test of the high-temperature rock, which uses the heating constant-temperature device for the uniaxial compression test of the high-temperature rock.
In order to realize the purpose, the invention discloses the following technical scheme:
the invention discloses a heating constant temperature device for a high-temperature rock uniaxial compression test, which comprises a heating constant temperature unit, a force transmission unit, a protection unit and a monitoring unit, wherein the heating constant temperature unit, the force transmission unit and the monitoring unit are arranged in the protection unit, the monitoring unit can be in contact with a standard cylindrical rock test piece, the heating constant temperature unit and the force transmission unit, the heating constant temperature unit can coat the side surface of the standard cylindrical rock test piece, the force transmission unit is connected with a press machine to apply pressure to the standard cylindrical rock test piece, and the force transmission unit is also communicated with the protection unit to cool.
As a further technical scheme, the heating constant temperature unit comprises a heating belt, heat preservation cotton and a temperature control box; the heating band and the heat preservation cotton can be used for coating a standard cylindrical rock test piece, and the temperature control box is connected with the heating band.
As a further technical scheme, the heat preservation cotton is coated on the outer side of the heating belt.
As a further technical scheme, the force transmission unit comprises a first temperature-resistant cushion block which is cylindrical and a second temperature-resistant cushion block which is cuboid and provided with a water passing channel; the second temperature-resistant cushion block can be abutted against the head of the press machine, and two ends of the first temperature-resistant cushion block are abutted against the second temperature-resistant cushion block and the standard cylinder rock test piece respectively.
As a further technical scheme, the second temperature-resistant cushion block comprises an upper second temperature-resistant cushion block and a lower second temperature-resistant cushion block, the upper second temperature-resistant cushion block abuts against the upper press head, and the lower second temperature-resistant cushion block abuts against the lower press loading plate; the first temperature-resistant cushion block comprises an upper first temperature-resistant cushion block and a lower first temperature-resistant cushion block, the upper end of the standard cylinder rock test piece is abutted against the lower end of the upper second temperature-resistant cushion block through the upper first temperature-resistant cushion block, and the lower end of the standard cylinder rock test piece is abutted against the lower end of the lower second temperature-resistant cushion block through the lower first temperature-resistant cushion block; the press machine clamps the standard cylinder rock test piece through the first temperature-resistant cushion block and the second temperature-resistant cushion block.
As a further technical scheme, the diameter of the standard cylindrical rock test piece is the same as that of the first temperature-resistant cushion block; the heating constant temperature unit can coat the standard cylindrical rock test piece and the first temperature-resistant cushion block at the same time.
As a further technical scheme, a water passing channel of the second temperature-resistant cushion block penetrates through the inside of the second temperature-resistant cushion block, and an opening is formed in the surface of the second temperature-resistant cushion block through the water passing channel.
As a further technical scheme, the protection unit comprises a heat shield, a water pipe, a water pump and a water tank; the heat insulation cover covers the outer sides of the heating constant temperature unit, the standard cylindrical rock test piece and the force transmission unit; the water pipe is communicated with the water tank through a water pump; the inside of the force transmission unit is provided with a water passing channel, and the water pipe is also communicated with the water passing channel.
As a further technical solution, the monitoring unit includes a temperature sensor and a displacement sensor; the temperature sensor is arranged on the standard cylindrical rock test piece and the heating constant temperature unit, and the displacement sensor is arranged on the first temperature-resistant cushion block and/or the second temperature-resistant cushion block; the temperature sensor and the displacement sensor are also connected with the processor.
In a second aspect, the invention discloses a method for a high-temperature rock uniaxial compression test, which uses the heating constant-temperature device for the high-temperature rock uniaxial compression test, and comprises the following steps:
installing a force transmission unit on the single-shaft press;
mounting a monitoring unit on a standard cylindrical rock test piece and a heating constant temperature unit, and mounting a displacement sensor on the end surface of a force transmission unit;
wrapping the standard cylindrical rock test piece by using a heating constant-temperature unit;
setting the temperature of the heating constant temperature unit, wherein the set temperature of the heating constant temperature unit is the target temperature required by the test;
starting the protection unit, and injecting circulating cooling water into the force transmission unit by the protection unit;
and when the temperature of the standard cylindrical rock test piece monitored by the detection unit reaches a set target temperature value, controlling the single-shaft press to load, and monitoring and recording the data of the monitoring unit in real time.
And observing test phenomena, summarizing test data and carrying out research and analysis.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the heating belt and the heat insulation cotton are used for heating and insulating the rock test piece, so that the rock surface can be uniformly heated, and the temperature is easy to control; meanwhile, the device can be detached in time after the test is finished, compared with the traditional hydraulic oil heating method, the test efficiency is greatly improved, and test errors caused by invasion of hydraulic oil and temperature rise of a test element are avoided.
2. According to the invention, the temperature control box is used for accurately setting the target temperature, the heating process control can be realized, and the adverse effect on the rock test piece caused by the overlarge heating rate is avoided; meanwhile, the temperature of the heating belt and the temperature of the rock test piece can be monitored and recorded in real time, and a basis is provided for test result analysis.
3. The invention adopts the cylindrical high-strength temperature-resistant cushion block to transmit axial load to the rock test piece, improves the accuracy of axial centering in a circular groove connection mode, reduces the end effect of the test piece, and avoids test errors caused by uneven heating of the upper end surface and the lower end surface of the rock test piece.
4. The device can be used together with a single-shaft press, is simple to operate, easy to control, high in test efficiency and strong in test accuracy, and can conveniently obtain the basic mechanical parameters of the high-temperature rock.
5. The cuboid high-strength temperature-resistant pad is internally cooled by circulating water, so that components of the press machine are protected.
6. The protection unit can effectively protect the safety of operators.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further technical understanding of the present invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view showing the connection of the apparatus of example 1.
Fig. 2 is a schematic view of the connection of the heating belt, the rock test piece and the first high-strength temperature-resistant cushion block in embodiment 1.
FIG. 3 is a schematic top view of a second high strength temperature resistant block with water passing channels,
fig. 4 is a sectional view taken along line 1-1 of fig. 3.
In the figure, 1, a second high-strength temperature-resistant cushion block, 2, a first high-strength temperature-resistant cushion block, 3, a heating belt, 4, heat-insulating cotton, 5, a standard cylindrical rock test piece, 7, a water passing channel, 8, a heat insulation cover, 9, a displacement sensor, 10, a temperature control box, 11, a temperature sensor, 12, a water pipe, 13, a water tank, 14 and a water pump.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", etc., are only used for descriptive purposes and are not intended to indicate or imply relative importance.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described in the background art, aiming at the defects of the existing device, the invention aims to provide a simple heating constant-temperature device for a high-temperature rock uniaxial compression test and a using method thereof, which can be used together with a uniaxial press, have the obvious advantages of simple operation, easy control and high test efficiency, can effectively avoid the invasion of hydraulic oil and test errors caused by the temperature rise of a test element, conveniently and accurately obtain basic mechanical parameters of the high-temperature rock, and have important significance on the research of mechanical properties and destructive behavior of the high-temperature rock, and the invention is explained as a further technical scheme by combining with the attached drawings and the specific implementation mode.
Example 1
The invention discloses a heating constant temperature device for a high-temperature rock uniaxial compression test, which comprises a heating constant temperature unit, a force transmission unit, a protection unit and a monitoring unit. Be equipped with heating constant temperature unit, biography power unit and monitoring unit in the protection unit, the monitoring unit can contact with standard cylinder rock test piece 5, heating constant temperature unit, biography power unit, and heating constant temperature unit can cladding standard cylinder rock test piece 5 side, passes power unit connection press in order to exert pressure to standard cylinder rock test piece 5, passes power unit still intercommunication protection unit in order to cool off.
The heating constant temperature unit comprises a heating belt 3, heat preservation cotton 4 and a temperature control box 10. Coating the side surface of a standard cylindrical rock test piece 5 with a heating belt 3, connecting the side surface with a temperature control box 10 through a signal transmission line, and after a power supply is switched on, setting a target temperature required by a test through the temperature control box 10, wherein the temperature control box 10 is the prior art, and the detailed structure is not repeated herein; the heating belt 3 is mainly made of nichrome wires and silicon rubber, and the size of the heating belt is as follows: the length and the width are 170 mm and 150mm, and the heating tape is tightly attached to the inner side of the heat insulation cotton 4, so that the surface of the test piece can be completely coated by the heating tape 3, and the heating area is increased; the heat preservation cotton 4 plays a role in heat preservation and heat insulation on the high-temperature rock test piece 5, and the heat loss of the test piece can be greatly reduced and scalding accidents can be avoided by controlling the thickness of the heat preservation cotton 4; the temperature control box 10 is used for controlling the heating belt 3, realizing the heating and constant temperature keeping functions in a specific mode, heating to 230 ℃ at most and keeping the temperature for 3 hours, and simultaneously displaying and recording the temperatures of the heating belt 3 and the rock surface in real time.
The force transmission unit comprises two first high-strength temperature-resistant cushion blocks 2 which are cylinders and two second high-strength temperature-resistant cushion blocks 1 which are cuboids and are provided with water passing channels 7. The second temperature-resistant cushion block 1 abuts against two machine heads of the press machine respectively, two ends of the first temperature-resistant cushion block 2 abut against the second temperature-resistant cushion block 1 and the standard cylinder rock test piece 5 respectively, and the standard cylinder rock test piece 5 is clamped between the first temperature-resistant cushion blocks 2.
The water passing channel 7 of the second temperature-resistant cushion block 1 penetrates through the inside of the second temperature-resistant cushion block 1, and the water passing channel 7 is provided with an opening on the surface of the second temperature-resistant cushion block 1.
It can be understood that the first high-strength temperature-resistant cushion block 2 and the second high-strength temperature-resistant cushion block 1 are both made of titanium alloy, the quenching temperature is high, and the thermal shock resistance is high; the diameter of the first high-strength temperature-resistant cushion block 2 is the same as that of a test piece (generally 50mm), the thickness of the first high-strength temperature-resistant cushion block is 30mm, axial pressure load is transferred in the loading process, the end effect of the test piece is reduced, and meanwhile, heat is transferred through a heating belt 3 coated outside the first high-strength temperature-resistant cushion block, so that the upper end face and the lower end face of a standard cylindrical rock test piece 5 are uniformly heated; the sizes of the second high-strength temperature-resistant cushion block 1 are as follows: the length multiplied by the width multiplied by the height multiplied by 100 multiplied by 50mm, a circular groove with the depth of 3mm is reserved at the center of the inner side of the second high-strength temperature-resistant cushion block 1, the diameter of the circular groove is the same as that of the first high-strength temperature-resistant cushion block 2, and the circular groove is matched with the first high-strength temperature-resistant cushion block 2 to avoid the eccentric loading condition; pass cuboid cushion side in the water channel 7, three diameter is 10 mm's passageway evenly distributed in the cushion, and inside cools off the cushion through the circulating water, prevents that the cushion high temperature from causing the damage to press and supporting pipeline.
The protection unit comprises a heat shield 8, a water pipe 12, a water pump 14 and a water tank 13. The heat insulation cover 8 covers the heating constant temperature unit, the standard cylindrical rock test piece 5 and the outer side of the force transmission unit; the water pipe 12 is communicated with a water tank 13 through a water pump 14; the inside of the force transmission unit is provided with a water passing channel 7, and the water pipe 12 is also communicated with the water passing channel 7. The heat insulation cover 8 is used for enclosing the heating constant temperature unit and the force transmission unit and preventing the safety of operators from being influenced by overhigh temperature of the test piece; one end of the water pipe 12 is connected with the water pump 14, and the other end of the water pipe is connected with an opening of the water passing channel 7 of the second temperature-resistant cushion block 1 to provide a channel for circulating cooling water so as to reduce the temperature of the test device.
The monitoring unit comprises a temperature sensor 11 and a displacement sensor 9. The temperature sensor 11 is arranged on the standard cylindrical rock test piece 5 and the heating constant temperature unit, and the displacement sensor 9 is arranged on the first temperature-resistant cushion block 2 and/or the second temperature-resistant cushion block 1, so that the deformation monitoring precision of the test piece is improved; the temperature sensor 11 and the displacement sensor 9 are also connected to the processor.
Example 2
The embodiment discloses a uniaxial compression test method for high-temperature rock, which uses the heating constant-temperature device for the uniaxial compression test of the high-temperature rock as described in embodiment 1, and comprises the following steps:
And 2, arranging a cushion block and a standard cylindrical rock test piece 5 in a loading system on the single-shaft press to form a force transmission unit.
And 3, connecting the temperature sensor 11 to the standard cylindrical rock test piece 5 and the heating belt 3, and connecting the displacement sensor 9 to the side surface of the high-strength temperature-resistant cushion block.
And 4, binding the heating belt 3 and the heat preservation cotton 4 to coat the side surface of the standard cylindrical rock test piece 5.
And 5, switching on a power supply, and setting the temperature required to be reached by the test through the temperature control box 10.
And 6, starting the protection unit, starting the water pump 14, and injecting circulating cooling water into the water passing channel 7 of the second high-strength temperature-resistant cushion block.
And 7, controlling the loading of the press machine when the rock temperature monitored by the temperature sensor 11 reaches a set value, and monitoring and recording data of the temperature sensor 11 and the displacement sensor 9 in real time.
And 8, observing test phenomena, summarizing test data and developing research and analysis.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a heating constant temperature equipment for high temperature rock unipolar compression test, a serial communication port, including heating constant temperature unit, pass power unit, protective unit and monitoring unit, be equipped with heating constant temperature unit in the protective unit, pass power unit and monitoring unit, monitoring unit can with standard cylinder rock test piece, heating constant temperature unit and pass power unit contact, pass power unit connection press is in order to exert pressure to standard cylinder rock test piece, heating constant temperature unit can cladding standard cylinder rock test piece, pass power unit still communicates the protective unit in order to cool off.
2. The heating thermostat device for the uniaxial compression test of high-temperature rocks according to claim 1, wherein the heating thermostat unit comprises a heating belt, heat-insulating cotton and a temperature control box; the heating band and the heat preservation cotton can be used for coating a standard cylindrical rock test piece, and the temperature control box is connected with the heating band.
3. The heating thermostat for uniaxial compression test of high-temperature rock as claimed in claim 2, wherein the heat-insulating cotton is coated on the outer side of the heating belt.
4. The heating thermostat device for the uniaxial compression test of high-temperature rocks as claimed in claim 1, wherein the force transfer unit comprises a first temperature-resistant cushion block in a cylindrical shape and a second temperature-resistant cushion block in a rectangular shape with a water passage; the second temperature-resistant cushion block can be abutted against the head of the press machine, and two ends of the first temperature-resistant cushion block are abutted against the second temperature-resistant cushion block and the standard cylinder rock test piece respectively.
5. The heating thermostat for uniaxial compression test of high-temperature rock according to claim 4, wherein the second temperature-resistant cushion block comprises an upper second temperature-resistant cushion block and a lower second temperature-resistant cushion block, the upper second temperature-resistant cushion block abuts against an upper press head, and the lower second temperature-resistant cushion block abuts against a lower press loading plate; the first temperature-resistant cushion block comprises an upper first temperature-resistant cushion block and a lower first temperature-resistant cushion block, the top of the upper first temperature-resistant cushion block abuts against the upper second temperature-resistant cushion block, and the bottom of the upper first temperature-resistant cushion block abuts against a standard cylindrical rock test piece; the bottom of the lower first temperature-resistant cushion block abuts against the lower second temperature-resistant cushion block, and the top abuts against the standard cylindrical rock test piece; the press machine clamps the standard cylinder rock test piece through the first temperature-resistant cushion block and the second temperature-resistant cushion block.
6. The heating thermostat for uniaxial compression test of high-temperature rock according to claim 4, wherein the diameter of the standard cylindrical rock test piece is the same as that of the first temperature-resistant cushion block; the heating constant temperature unit can coat the standard cylindrical rock test piece and the first temperature-resistant cushion block at the same time.
7. The heating thermostat for uniaxial compression test of high-temperature rock as claimed in claim 4, wherein the water passing channel of the second temperature-resistant cushion block passes through the inside of the second temperature-resistant cushion block, and the water passing channel has an opening on the surface of the second temperature-resistant cushion block.
8. The heating thermostat for uniaxial compression test of high-temperature rock according to claim 1, wherein the protection unit comprises a heat shield, a water pipe, a water pump and a water tank; the heat insulation cover covers the outer sides of the heating constant temperature unit, the standard cylindrical rock test piece and the force transmission unit; the water pipe is communicated with the water tank through a water pump; the inside of the force transmission unit is provided with a water passing channel, and the water pipe is also communicated with the water passing channel.
9. The heated thermostat device for uniaxial compression test of high-temperature rock of claim 1, wherein the monitoring unit comprises a temperature sensor and a displacement sensor; the temperature sensor is arranged on the standard cylindrical rock test piece and the heating constant temperature unit, and the displacement sensor is arranged on the first temperature-resistant cushion block and/or the second temperature-resistant cushion block; the temperature sensor and the displacement sensor are also connected with the processor.
10. A method for uniaxial compression test of high-temperature rock, which is characterized by using the heating constant-temperature device for uniaxial compression test of high-temperature rock according to any one of claims 1 to 9, and comprises the following steps:
installing a force transmission unit on the single-shaft press;
mounting a monitoring unit on a standard cylindrical rock test piece and a heating constant temperature unit, and mounting a displacement sensor on the end surface of a force transmission unit;
wrapping the standard cylindrical rock test piece by using a heating constant-temperature unit;
setting the temperature of the heating constant temperature unit, wherein the set temperature of the heating constant temperature unit is the target temperature required by the test;
starting the protection unit, and injecting circulating cooling water into the force transmission unit by the protection unit;
when the temperature of the standard cylindrical rock test piece monitored by the detection unit reaches a set target temperature value, controlling the single-shaft press to load, and monitoring and recording the data of the monitoring unit in real time;
and observing test phenomena, summarizing test data and carrying out research and analysis.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284920A (en) * | 2020-10-21 | 2021-01-29 | 中国矿业大学(北京) | Rock high-temperature compression test device and test method |
| CN113092724A (en) * | 2021-04-07 | 2021-07-09 | 中煤科工集团重庆研究院有限公司 | Pressure and temperature control system and method for mudstone expansion test |
| CN114184489A (en) * | 2021-12-17 | 2022-03-15 | 北京科技大学 | System and method for realizing real-time uniaxial compression at high temperature |
| CN114486554A (en) * | 2022-02-11 | 2022-05-13 | 应急管理部国家自然灾害防治研究院 | Triaxial test device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080087290A (en) * | 2007-03-26 | 2008-10-01 | 양성모 | Shear stress-strain evaluation method for solder joint by micro mechanics test method |
| CN101710048A (en) * | 2009-10-21 | 2010-05-19 | 中国矿业大学 | Device and method for heating rock specimen under triaxial pressure |
| CN104749210A (en) * | 2015-04-17 | 2015-07-01 | 广西大学 | Method for measuring rock thermal coefficient of linear expansion by utilizing pressure tester |
| CN204594788U (en) * | 2015-05-27 | 2015-08-26 | 大连海事大学 | A kind of temperature-controllable Damage Detection of Rock Materials device |
| CN205027605U (en) * | 2015-07-23 | 2016-02-10 | 王立明 | Rock unipolar compression test device under stress, temperature and vibration coupling |
| CN207026396U (en) * | 2017-07-11 | 2018-02-23 | 内蒙古中钰镁合金锻造轮毂有限公司 | Fluid die forging machine water cooling cushion plate |
| CN109946170A (en) * | 2019-04-10 | 2019-06-28 | 太原理工大学 | The experimental rig of uniaxial compression rock radial deformation is measured under a kind of high temperature |
| CN110320104A (en) * | 2019-07-08 | 2019-10-11 | 山东大学 | It is a kind of can the cooling rock multi- scenarios method test integrated loading device of water and method |
| CN110749499A (en) * | 2019-10-10 | 2020-02-04 | 辽宁工程技术大学 | Temperature control device and method for single-shaft compression test |
-
2020
- 2020-06-04 CN CN202010499441.6A patent/CN111721641A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080087290A (en) * | 2007-03-26 | 2008-10-01 | 양성모 | Shear stress-strain evaluation method for solder joint by micro mechanics test method |
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