CN106771072A - Continue the Mineral rheology pilot system of water environment effect - Google Patents
Continue the Mineral rheology pilot system of water environment effect Download PDFInfo
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- CN106771072A CN106771072A CN201611218772.8A CN201611218772A CN106771072A CN 106771072 A CN106771072 A CN 106771072A CN 201611218772 A CN201611218772 A CN 201611218772A CN 106771072 A CN106771072 A CN 106771072A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
A kind of Mineral rheology pilot system for continuing water environment effect of disclosure of the invention, including base, pillar is fixedly connected with base, crossbeam is connected with column upper section, the hydraulic cylinder pretended with hydraulic control and connect is provided with crossbeam, the external end head of the piston rod matched with hydraulic cylinder is connected to the pressure head for being downwardly applied to pressure, the lower section of pressure head is located at base and is provided with multiple adjustment blocks for stacking, pressure-bearing post is fixed with the adjustment block of upper end, experiment casing is provided with pressure-bearing post upper end；Experiment casing includes base plate, and the side wall of composition experiment casing is connected on substrate periphery, and center is provided with the groove matched with pressure-bearing post upper end below base plate, and center is provided with the groove for loading lower bolster above base plate；The data connected with pH value tester measure sensor and are arranged on experiment box inside wall.Simple structure, operation easily, can truly reflect the stability features that rock mass engineering project is chronically under water environment.
Description
Technical field
The invention belongs to rock mechanics experiment technical field, it is related to a kind of creep impairment of rock in the case where persistently being acted on by water
Environmental test system, i.e., the Mineral rheology pilot system that persistently water environment is acted on, it is adaptable to reproduce dynamic/hydrostatic（Different solutions）Ring
Rock long-time stability and creep impairment destruction overall process under the conditions of border.
Background technology
At present, nearly all it is from rock moisture content or aqueous in the experiment about water to the influence of mechanical properties of rock
The angle of state, intensity, the weakened treatment of elastic modelling quantity under research different water cut or water-saturated state.However, these experiments are related to
And moisture content be mostly a static amount.In rock engineering, due to SEA LEVEL VARIATION in rock mass, water content be one and when
Between, the dynamic variable of space correlation, the rock mass of even water-saturated state is chronically under lasting water environment, can also produce long-term power
The change of characteristic is learned, causes the uniaxial compressive strength significant difference that long-term strength is basic with it.Additionally, groundwater environment is extremely multiple
Miscellaneous, the chemical composition of the underground water of different regions is different, and influence of the different compositions to rock is different, based on this, proposes meter
A kind of Research on rheology character pilot system of rock under the conditions of persistently quiet, dynamic or static and dynamic combination.
The content of the invention
It is an object of the invention to provide a kind of simple structure, operation, easily, truly reflection rock mass engineering project is chronically at water ring
The Mineral rheology pilot system of border stability inferior feature, overcomes the deficiencies in the prior art.
The Mineral rheology pilot system for continuing water environment effect of the invention, including base, are fixedly connected with base
Pillar, crossbeam is connected with column upper section, and the hydraulic cylinder pretended with hydraulic control and connect is provided with crossbeam, with hydraulic cylinder matching
The external end head of piston rod is connected to the pressure head for being downwardly applied to pressure, and the lower section of pressure head is located at base and is provided with multiple adjustment for stacking
Block, is fixed with pressure-bearing post in the adjustment block of upper end, and experiment casing is provided with pressure-bearing post upper end；
Described experiment casing includes base plate, the side wall of composition experiment casing is connected on substrate periphery, below base plate
Center is provided with the groove matched with pressure-bearing post upper end, and center is provided with the groove for loading lower bolster above base plate；
The data connected with pH value tester measure sensor and are arranged on experiment box inside wall.
Described experiment casing is furnished with water mixer structure, and water mixer structure includes support, and the one of support is terminated with and pillar
The holding frame of matching, the other end of support is rotatably connected to the rotating shaft being vertically arranged by bearing, and impeller is terminated with rotating shaft,
The upper end of rotating shaft and the motor connection being fixed on support.
Described base plate is provided with dewatering orifice, and dewatering orifice is connected with valve.
The Mineral rheology pilot system for continuing water environment effect of the invention, overall structure is simple, and manipulation is easy；Use
When, can be on the lower bolster that column rock sample is vertically placed in chamber body in substrate groove, in rock by tested rock mass
Sample upper ends upper padding plate, pressure head is moved down under the drive of hydraulic cylinder, and setting is pressed and kept to upper padding plate 7 and rock sample 4
Pressure, as needed to adding test water in chamber body, acoustic emission sensor is set on rock sample and ess-strain is adopted
Collection sensor, acoustic emission sensor connects with Acoustic radiating instrument and control device, and ess-strain collection sensor should with dynamic stress
Become Acquisition Instrument and control device connects, pH value tester connects with control device, control device includes digitial controller, servo control
Device processed；Dynamic is in if desired for the water in chamber body, the height and position of holding frame is can adjust, impeller is located at experiment casing
It is interior, and motor operation is started by control device, wheel rotation makes the water in chamber be changed into dynamic, in whole process of the test
In can real time record rock sample deformation and failure process.It is external to chamber that response after rock sample stand under load is converted into signal transmission
In Acoustic radiating instrument and dynamic stress and strain Acquisition Instrument, the last display stress-strain state of rock and interior in real time on computers
The crack propagation process in portion.The survey of the long-term mechanical characteristic of rock under the chemical solution continuous action of heterogeneity can be realized
Examination.The static test with the long-term mechanical characteristic of rock under water environment that is flowing can be realized.Realize continuing rock under water environment
The real-time monitoring of deformation failure overall process and the three-dimensional visualization of inside and outside damage.Can realize that water causes water environment to rock corrosion
The real-time monitoring of pH value change, obtains the water chemistry response feature of rock.
Brief description of the drawings
Fig. 1 is the structural representation of the specific embodiment of the invention.
Specific embodiment
As shown in Figure 1：The Mineral rheology pilot system for continuing water environment effect of the invention, including base 22, in base
Symmetrical vertically arranged pillar 1 is fixedly connected with 22, crossbeam 10 is fixedly connected with the top of pillar 1, it is solid on crossbeam 10
Dingan County is equipped with the hydraulic cylinder 9 pretended with hydraulic control and connect, and the external end head of the piston rod matched with hydraulic cylinder 9 is connected to and is downwardly applied to pressure
The pressure head 8 of power.The lower section of pressure head 8 is located at base 22 and is provided with multiple adjustment blocks 21 for stacking, in the adjustment block 21 of upper end
Vertically arranged pressure-bearing post 2 is fixed with, experiment casing is provided with the upper end of pressure-bearing post 2.
Experiment casing includes round shape and there is the base plate 3 of anticorrosive coat on surface, and periphery is connected to composition experiment casing on base plate 3
Transparent glass material side wall 16, side wall 16 and the place of connecting of base plate 3 are for grafting and smear fluid sealant.Below base plate 3
Center is provided with the groove matched with the upper end of pressure-bearing post 2, and center is provided with and loads the recessed of lower bolster 18 above base plate 3
Groove.
The data connected with pH value tester measure sensor 5 and are arranged on experiment box inside wall.
Experiment casing is furnished with water mixer structure, and water mixer structure includes support 13, and the one of support 13 is terminated with and the phase of pillar 1
The holding frame 14 being fastened by bolts matched somebody with somebody, the other end of support 13 is rotatably connected to the rotating shaft 12 being vertically arranged by bearing,
Impeller 15, the upper end of rotating shaft 12 and the motor connection being fixed on support 13 are terminated with rotating shaft 12.
Base plate 3 is provided with dewatering orifice 19, and dewatering orifice 19 is connected with valve 20 by pipeline.
The course of work is as follows：It is that vertical being placed in chamber body of column rock sample 4 is located at the groove above of base plate 3 by tested rock mass
On interior lower bolster 18, in the upper ends upper padding plate 7 of rock sample 4, pressure head 8 is moved down under the drive of hydraulic cylinder 9, to upper padding plate
7 and rock sample 4 press and keep the pressure of setting, as needed to adding test water in chamber body, the setting sound on rock sample 4
Emission sensor 6 and ess-strain collection sensor 17, acoustic emission sensor 6 connect with Acoustic radiating instrument and control device, stress
Strain acquirement sensor 17 connects with dynamic stress and strain Acquisition Instrument and control device, and pH value tester connects with control device,
Control device includes digitial controller, servo controller；Dynamic is in if desired for the water in chamber body, holding frame 14 is can adjust
Height and position, make impeller 15 be located at chamber body in, and by control device start motor 11 run, impeller 15 is rotated, and is made
Water in chamber be changed into dynamic, in whole process of the test can real time record rock sample 4 deformation and failure process.Rock sample 4 is received
Response after load is converted into signal transmission in the external Acoustic radiating instrument of chamber and dynamic stress and strain Acquisition Instrument, finally in meter
The stress-strain state of rock and the crack propagation process of inside are shown on calculation machine in real time.Overall system architecture letter of the invention
It is single, it is easy to operate.
Claims (3)
- It is 1. a kind of to continue the Mineral rheology pilot system that water environment is acted on, it is characterised in that：Including base（22）, in base（22） On be fixedly connected with pillar（1）, in pillar（1）Top is connected with crossbeam（10）, in crossbeam（10）It is provided with and is filled with hydraulic control The hydraulic cylinder for connecting（9）, with hydraulic cylinder（9）The external end head of the piston rod of matching is connected to the pressure head for being downwardly applied to pressure（8）, pressure head （8）Lower section be located at base（22）It is provided with multiple adjustment blocks for stacking（21）, positioned at the adjustment block of upper end（21）On be fixed with Pressure-bearing post（2）, in pressure-bearing post（2）Upper end is provided with experiment casing；Described experiment casing includes base plate（3）, in base plate（3）Periphery is connected to the side wall of composition experiment casing above（16）, Base plate（3）Below center be provided with and pressure-bearing post（2）The groove that upper end matches, in base plate（3）Above centre bit install There is loading lower bolster（18）Groove；The data connected with pH value tester measure sensor（5）It is arranged on experiment box inside wall.
- It is 2. according to claim 1 to continue the Mineral rheology pilot system that water environment is acted on, it is characterised in that：Described examination Tryoff body is furnished with water mixer structure, and water mixer structure includes support（13）, support（13）One be terminated with and pillar（1）Match Holding frame（14）, support（13）The other end rotating shaft being vertically arranged is rotatably connected to by bearing（12）, rotating shaft（12）Under It is terminated with impeller（15）, rotating shaft（12）Upper end be fixed on support（13）On motor (11) connection.
- It is 3. according to claim 2 to continue the Mineral rheology pilot system that water environment is acted on, it is characterised in that：Described bottom Plate（3）It is provided with dewatering orifice（19）, dewatering orifice（19）It is connected with valve（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218772.8A CN106771072A (en) | 2016-12-26 | 2016-12-26 | Continue the Mineral rheology pilot system of water environment effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218772.8A CN106771072A (en) | 2016-12-26 | 2016-12-26 | Continue the Mineral rheology pilot system of water environment effect |
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| CN106771072A true CN106771072A (en) | 2017-05-31 |
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| CN201611218772.8A Pending CN106771072A (en) | 2016-12-26 | 2016-12-26 | Continue the Mineral rheology pilot system of water environment effect |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764659A (en) * | 2017-11-24 | 2018-03-06 | 河南理工大学 | Coal petrography mechanics test device and method under a kind of low temperature liquid nitrogen impact |
| CN110749497A (en) * | 2019-12-06 | 2020-02-04 | 大连理工大学 | Rock creep triaxial test system and method for continuous water environment effect |
| CN114563283A (en) * | 2022-02-16 | 2022-05-31 | 武汉科技大学 | Test system and test method for simulating soft rock shear rheology through multi-field coupling |
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| WO2009065190A1 (en) * | 2007-11-23 | 2009-05-28 | Commonwealth Scientific And Industrial Research Organisation | Method to characterise rock formations and apparatus for use therewith |
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| CN203502296U (en) * | 2013-08-22 | 2014-03-26 | 中国科学院武汉岩土力学研究所 | Rock double-shaft compressing microscopic testing device under stress-current-chemical coupling |
| CN203822282U (en) * | 2014-05-17 | 2014-09-10 | 成云海 | Confining pressure hydrofracture experimental facility |
| CN105158439A (en) * | 2015-08-24 | 2015-12-16 | 中国地质科学院岩溶地质研究所 | Carbonate reservoir corrosion process simulation test device |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1236344A1 (en) * | 1984-12-24 | 1986-06-07 | Государственный Дорожный Проектно-Изыскательский И Научно-Исследовательский Институт "Гипродорнии" | Method and installation for determining strength and deformation characteristics of ore |
| CN2847266Y (en) * | 2005-07-21 | 2006-12-13 | 中国科学院武汉岩土力学研究所 | Indoor power water discharge consolidation test device |
| WO2009065190A1 (en) * | 2007-11-23 | 2009-05-28 | Commonwealth Scientific And Industrial Research Organisation | Method to characterise rock formations and apparatus for use therewith |
| CN201266192Y (en) * | 2008-10-08 | 2009-07-01 | 中国科学院武汉岩土力学研究所 | Stress, water stream, chemical coupling rock uniaxial compression creep instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764659A (en) * | 2017-11-24 | 2018-03-06 | 河南理工大学 | Coal petrography mechanics test device and method under a kind of low temperature liquid nitrogen impact |
| CN107764659B (en) * | 2017-11-24 | 2024-01-05 | 河南理工大学 | Coal rock mechanical testing device and method under low-temperature liquid nitrogen impact |
| CN110749497A (en) * | 2019-12-06 | 2020-02-04 | 大连理工大学 | Rock creep triaxial test system and method for continuous water environment effect |
| CN114563283A (en) * | 2022-02-16 | 2022-05-31 | 武汉科技大学 | Test system and test method for simulating soft rock shear rheology through multi-field coupling |
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Application publication date: 20170531 |