CN107389458A - Balancing gate pit based on carbon fibre composite - Google Patents
Balancing gate pit based on carbon fibre composite Download PDFInfo
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- CN107389458A CN107389458A CN201710490967.6A CN201710490967A CN107389458A CN 107389458 A CN107389458 A CN 107389458A CN 201710490967 A CN201710490967 A CN 201710490967A CN 107389458 A CN107389458 A CN 107389458A
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- balancing gate
- gate pit
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- carbon fibre
- composite
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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
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
- G01N2203/0066—Propagation of crack
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a kind of balancing gate pit based on carbon fibre composite.Mainly include：Composite layer, Metal Substrate cylinder, composite layer are wrapped in the periphery of Metal Substrate cylinder, made using carbon fibre composite, and rock sample pedestal is placed with Metal Substrate cylinder, and rock sample is positioned on rock sample pedestal, and cushion block is placed with above rock sample；Confined pressure liquid is filled in balancing gate pit and loads confined pressure p, axially loaded power F is acted on rock sample by cushion block.The density of balancing gate pit provided by the invention is low, and intensity is high, and modulus of elasticity is big, while inside is metal material, and in balancing gate pit, repeated disassembled and assembled is changed rock sample edge and is hardly damaged, and improves service life.The working method of balancing gate pit provided by the invention can be applied to large-scale rock-soil testing machine suitable for the bigger occasion of balancing gate pit's axial compressive force and ambient pressure.
Description
Technical field
The present invention relates to During Geotechnical Tests technical field, more particularly to a kind of balancing gate pit based on carbon fibre composite.
Background technology
Rock-soil testing machine is to study a kind of basic science test apparatus of the stress strain curve of ground, and system is pressed by axle
System, confined pressure system and temperature control system composition, operation principle are to press system to apply axial sample power to sample by axle, are passed through
Balancing gate pit applies confined pressure to sample, while the upper and lower end face of sample, sample middle part is in respectively not by temperature control system
Under same temperature environment, so as to simulate a variety of actual conditions of sample at different temperatures.Traditional rock test rig is most of
It can only measure the stress strain curve of rock sample, and be produced for crackle of the rock in rupture process and evolution
But it can not be monitored and obtain image.
Rock test technology in recent years has significant progress, therefore the experimental condition proposed is also more and more, rock
Deformation of the stone sample under multi- scenarios method is present study hotspot, above-mentioned more generally include pressure field, temperature field and
Electromagnetic field etc..
Constantly improve and development with computer technology, CT (Computed Tomography, electronic computer tomography
Scanning) identification technology is applied to During Geotechnical Tests, and this provides technical basis for the rupture process of observation rock sample.For
Mobile state observation is entered to the deformation of ground sample each longitudinal cross-section during experiment, it is necessary in test so that
Rock sample has relative rotation with CT scanner.
Lanzhou Inst. of Glaciology and Cryopedology, Chinese Academy of Sciences once carried out rock-soil triaxial tests using CT measuring technologies.They adopt
It is that strain-type triaxial cell is placed directly in CT machines to be scanned, this CT scan method is suitable only for balancing gate pit's axle
The occasion relatively low to pressure and ambient pressure, to large-scale rock-soil testing machine and is not applied to.
Patent of invention CN 200620096213.X disclose a kind of Omnibearing scanning rock-soil CT three-shaft instrument, and it is a kind of complete
The triaxial apparatus of nonmetallic making, the scanning of horizontal section can be not only carried out, and the scanning of longitudinal direction (axial direction) section can be carried out.But
The triaxial apparatus is also only applicable to axle pressure and the less occasion of confined pressure, and large-scale rock-soil testing machine is not applied to.
The content of the invention
The embodiment provides a kind of balancing gate pit based on carbon fibre composite, and pressure is effectively utilized to realize
Power room carries out During Geotechnical Tests.
To achieve these goals, this invention takes following technical scheme.
A kind of balancing gate pit based on carbon fibre composite, including：
Composite layer (5), Metal Substrate cylinder (6), the composite layer (5) are wrapped in the outer of the Metal Substrate cylinder (6)
Enclose, made using carbon fibre composite, rock sample pedestal (7), rock sample (8) are placed with the Metal Substrate cylinder (6)
It is positioned on the rock sample pedestal (7), cushion block (9) is placed with above the rock sample (8)；
Confined pressure liquid is filled in the balancing gate pit and load confined pressure p, axially loaded power F acted on by the cushion block (9) it is described
On rock sample 8.
Further, the both ends external diameter of the balancing gate pit is more than the external diameter of center section.
Further, the wall thickness of the two end portions of the Metal Substrate cylinder is more than the wall thickness of center section, same using inside and outside circle
The uniform metallic cylinder of the heart is process.
Further, the Metal Substrate cylinder (6) is made using low density-metal material.
Further, the composite layer (5) includes transverse and longitudinal carbon fiber layer one (10), adhesive (11), oblique carbon
Fibrous layer (12), transverse and longitudinal carbon fiber layer two (13) and hardened layer (14).
Further,
Adhesive (11) is applied on the outer round surface of Metal Substrate cylinder (6), and writhing number layer has infiltrated the horizontal stroke of adhesive (11)
Longitudinal carbon cloth forms transverse and longitudinal carbon fiber layer (10)；Writhing number layer has infiltrated glue again on transverse and longitudinal carbon fiber layer one (10)
The oblique carbon cloth of mixture (11) forms oblique carbon fiber layer (12), the writhing number layer again on the oblique carbon fiber layer (12)
The transverse and longitudinal carbon cloth for having infiltrated adhesive (11) forms transverse and longitudinal carbon fiber layer two (13), the composite layer (5)
Outermost layer coats hardened layer (14).
Further, the adhesive (11) includes phenolic resin.
Further, the winding process of the carbon fibre material of the composite layer (5) is carried out in vacuum environment, described
The outer surface of composite layer (5) ensures circularity by machining.
Further, the balancing gate pit forms rock mechanics experiment machine, the radiographic source with radiographic source (3), industry CT (1)
(3) and the industry CT (1) is distributed in the both sides of testing machine balancing gate pit, with axially loaded power F increase, the rock sample
8 is cracked, and radiographic source (3) sends X ray and penetrates balancing gate pit and rock sample (8), is imaged in industry CT (1).
It is provided in an embodiment of the present invention fine based on carbon it can be seen from the technical scheme provided by embodiments of the invention described above
The balancing gate pit for tieing up composite is strengthened by internal metallic material and external carbon, makes the density of balancing gate pit low, and intensity is high, elasticity
Modulus is big, while inside is metal material, and in balancing gate pit, repeated disassembled and assembled is changed rock sample edge and is hardly damaged, and improves use
Life-span.The working method of balancing gate pit provided in an embodiment of the present invention based on carbon fibre composite can be applied to balancing gate pit's axle
The occasion bigger to pressure and ambient pressure, large-scale rock-soil testing machine can be applied to.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of rock mechanics experiment machine of the balancing gate pit based on carbon fibre composite provided in an embodiment of the present invention
Operative scenario schematic diagram；
Fig. 2 is that a kind of internal structure of balancing gate pit based on carbon fibre composite provided in an embodiment of the present invention is illustrated
Figure；
Fig. 3, Fig. 4 are a kind of balancing gate pit's processing technology signal based on carbon fibre composite provided in an embodiment of the present invention
Figure；
In figure：Industry CT 1, rock mechanics experiment machine main body 2, radiographic source 3, balancing gate pit 4, composite layer 5, Metal Substrate cylinder
6, rock sample pedestal 7, rock sample 8, cushion block 9, transverse and longitudinal carbon fiber layer 1, adhesive 11, oblique carbon fiber layer 12, horizontal stroke
Longitudinal carbon fiber layer 2 13, hardened layer 14.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is individual ", " described " and "the" may also comprise plural form.It is to be further understood that what is used in the specification of the present invention arranges
Diction " comprising " refer to the feature, integer, step, operation, element and/or component be present, but it is not excluded that in the presence of or addition
One or more other features, integer, step, operation, element, component and/or their groups.It should be understood that when we claim member
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or coupling.Wording used herein
"and/or" includes any cell of one or more associated list items and all combined.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) with the general understanding identical meaning with the those of ordinary skill in art of the present invention.Should also
Understand, those terms defined in such as general dictionary, which should be understood that, to be had and the meaning in the context of prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the implication of overly formal be explained.
For ease of the understanding to the embodiment of the present invention, done further by taking several specific embodiments as an example below in conjunction with accompanying drawing
Explanation, and each embodiment does not form the restriction to the embodiment of the present invention.
Axle pressure, the confined pressure of large-scale rock-soil testing machine are larger, metal must be used to make test specimen tube, must so used accordingly
High energy CT machines.Because large-scale rock-soil testing machine volume is larger, it is impossible to be directly placed into high energy CT machines and scan, so must be by testing machine
Test specimen tube part be designed as rotatable part.
The material of current testing machine pressure chamber section generally selects the materials such as carbon steel, steel alloy, and there also have to be some special
Rock mechanics experiment machine can use aluminum alloy materials.But when the balancing gate pit of these materials is applied to CT scan, the density of steel
Excessive, X ray is not easy to penetrate.And although aluminium alloy density is smaller, its tensile strength is smaller, generally undertakes same load
Lotus, its thickness are much thicker than steel pressure room.So the embodiment of the present invention propose it is a kind of based on carbon fibre composite
Balancing gate pit and its manufacturing process.
A kind of work of rock mechanics experiment machine based on carbon fibre composite balancing gate pit provided in an embodiment of the present invention
Scene is as shown in figure 1, including industry CT 1, rock mechanics experiment machine main body 2, radiographic source 3 and balancing gate pit 4.The wherein He of radiographic source 3
Industry CT 1 is distributed in the both sides of testing machine balancing gate pit 4, and the high-energy ray that radiographic source 3 is sent passes through balancing gate pit 4 and the rock in it
Stone sample 8, it is imaged in industry CT 3.
Fig. 2 is that a kind of internal structure of balancing gate pit based on carbon fibre composite provided in an embodiment of the present invention is illustrated
Figure, balancing gate pit 4 include composite layer 5, Metal Substrate cylinder 6, and composite layer 5 is wrapped in the periphery of Metal Substrate cylinder 6, Metal Substrate cylinder
Rock sample pedestal 7 is placed with 6, rock sample 8 is positioned on rock sample pedestal 7, and the top of rock sample 8 is placed with pad
Block 9.Confined pressure liquid is filled in balancing gate pit and loads confined pressure p, axially loaded power F is acted on rock sample 8 by cushion block 9, with axle
Increase to pressure, rock sample 8 are cracked.In the process, radiographic source 3 sends X ray and penetrates balancing gate pit and rock examination
Sample 8, it is imaged in industry CT 1.Confined pressure pressure p and axially loaded power F counter-force are undertaken by balancing gate pit in balancing gate pit.
The both ends external diameter of above-mentioned balancing gate pit 4 is more than the external diameter of center section, is easy to the clamping of bindiny mechanism, undertakes and axially adds
Power F counter-force is carried, balancing gate pit center section wall thickness is thin compared with both ends, is easy to penetrating for X ray.
Fig. 3, Fig. 4 are a kind of balancing gate pit's processing technology signal based on carbon fibre composite provided in an embodiment of the present invention
Figure, composite layer 5 include transverse and longitudinal carbon fiber layer 1, adhesive 11, oblique carbon fiber layer 12, transverse and longitudinal carbon fiber layer two
13, hardened layer 14.Metal Substrate cylinder 6 is a metal cylinder that both ends wall thickness is larger, middle wall thickness is relatively thin, and it is same by an inside and outside circle
The uniform metallic cylinder of the heart is process, and its middle part external diameter is more small in ends, and transition portion is processed into 5 ° to 45 ° of taper, shape
Into the structure that both ends barrel is thick, middle barrel is thin.Both ends thick cylinder end reserves enough length, is easy to clamping to rotate, to twine
Around carbon fibre material, so, Metal Substrate cylinder 6 also serves as the mould of manufacture composite pressure room.
Balancing gate pit uses low density-metal material system with the basic cylinder that Metal Substrate cylinder 6 is compound carbon fiber, Metal Substrate cylinder (6)
Make, preferably, the present embodiment uses aluminum alloy materials.Using multilayer carbon fiber composite bed be transverse and longitudinal carbon fiber layer 1,
Oblique carbon fiber layer 12 and transverse and longitudinal carbon fiber layer 2 13 form composite layer 5, to strengthen the intensity of Metal Substrate cylinder 6.
The manufacture craft of composite layer 5 is as follows：
The uniform gluing mixture 11 first on the outer round surface of Metal Substrate cylinder 6, and writhing number layer has infiltrated adhesive 11
Transverse and longitudinal carbon cloth forms transverse and longitudinal carbon fiber layer 10；Then writhing number layer infiltrates again on transverse and longitudinal carbon fiber layer 1
The oblique carbon cloth of adhesive 11 forms oblique carbon fiber layer 12, hereafter the writhing number layer again on above-mentioned oblique carbon fiber layer 12
The transverse and longitudinal carbon cloth for having infiltrated adhesive 11 forms transverse and longitudinal carbon fiber layer 2 13, the outermost of the composite layer (5)
Layer coats hardened layer 14.Carbon fiber layer wants continuous uniform, and to improve the axial modulus of elasticity of balancing gate pit, outermost layer will be carried out firmly
Change, to improve the intensity of pressure chamber surface.Adhesive 11 uses resistant to elevated temperatures adhesive, and the embodiment of the present invention uses phenolic aldehyde tree
Fat.
In carbon fiber reinforced materials winding process, carried out in vacuum environment, avoid being mixed into bubble in material, influence material
The uniformity of material, and then influence CT image quality.
After Metal Substrate cylinder 6 and composite layer 5 solidify, outer surface ensures circularity by machining, and it is more to remove both ends
Remaining part divides composite bed and metal material, completes the manufacture of balancing gate pit, its structure such as Fig. 4.
In summary, it is provided in an embodiment of the present invention based on the balancing gate pit of carbon fibre composite by internal metallic material and
External carbon is strengthened, and makes the density of balancing gate pit low, and intensity is high, and modulus of elasticity is big, while inside is metal material, in balancing gate pit
Repeated disassembled and assembled is changed rock sample edge and is hardly damaged, and improves service life.It is provided in an embodiment of the present invention to be based on carbon fiber
The working method of the balancing gate pit of composite can be suitable for the bigger occasion of balancing gate pit's axial compressive force and ambient pressure, can
It is effectively applied to large-scale rock-soil testing machine.
It is good that rock mechanics experiment machine ray based on this carbon fiber balancing gate pit penetrates effect, is easy to applicable industry CT continuous
Internal dynamic of the ground sample in the case of axially loaded is scanned, is advantageous to deepen the research of rock-soil mechanics.
One of ordinary skill in the art will appreciate that：Accompanying drawing is the schematic diagram of one embodiment, module in accompanying drawing or
Flow is not necessarily implemented necessary to the present invention.
One of ordinary skill in the art will appreciate that：The part in device in embodiment can describe to divide according to embodiment
It is distributed in the device of embodiment, respective change can also be carried out and be disposed other than in one or more devices of the present embodiment.On
The part for stating embodiment can be merged into a part, can also be further split into multiple subassemblies.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (9)
- A kind of 1. balancing gate pit based on carbon fibre composite, it is characterised in that including：Composite layer (5), Metal Substrate cylinder (6), the composite layer (5) are wrapped in the periphery of the Metal Substrate cylinder (6), adopted Made of carbon fibre composite, be placed with rock sample pedestal (7) in the Metal Substrate cylinder (6), rock sample (8) is positioned over On the rock sample pedestal (7), cushion block (9) is placed with above the rock sample (8)；Confined pressure liquid is filled in the balancing gate pit and loads confined pressure p, axially loaded power F the rock is acted on by the cushion block (9) On sample (8).
- 2. the balancing gate pit according to claim 1 based on carbon fibre composite, it is characterised in that the two of the balancing gate pit External diameter is held to be more than the external diameter of center section.
- 3. the balancing gate pit according to claim 2 based on carbon fibre composite, it is characterised in that the Metal Substrate cylinder (6) wall thickness of two end portions is more than the wall thickness of center section, is process using the concentric uniform metallic cylinder of inside and outside circle.
- 4. the balancing gate pit according to claim 3 based on carbon fibre composite, it is characterised in that the Metal Substrate cylinder (6) made using low density-metal material.
- 5. the balancing gate pit based on carbon fibre composite according to any one of Claims 1-4, it is characterised in that described It is fine that composite layer (5) includes transverse and longitudinal carbon fiber layer one (10), adhesive (11), oblique carbon fiber layer (12), transverse and longitudinal carbon Tie up layer two (13) and hardened layer (14).
- 6. the balancing gate pit according to claim 5 based on carbon fibre composite, it is characterised in that in Metal Substrate cylinder (6) Outer round surface on apply adhesive (11), and writhing number layer infiltrated adhesive (11) transverse and longitudinal carbon cloth formed transverse and longitudinal Carbon fiber layer (10)；Writhing number layer has infiltrated the oblique carbon cloth of adhesive (11) again on transverse and longitudinal carbon fiber layer one (10) Oblique carbon fiber layer (12) is formed, writhing number layer has infiltrated the transverse and longitudinal of adhesive (11) again on the oblique carbon fiber layer (12) Transverse and longitudinal carbon fiber layer two (13) is formed to carbon cloth, the outermost layer of the composite layer (5) coats hardened layer (14).
- 7. the balancing gate pit according to claim 6 based on carbon fibre composite, it is characterised in that the adhesive (11) Including phenolic resin.
- 8. the balancing gate pit according to claim 6 based on carbon fibre composite, it is characterised in that the composite layer (5) winding process of carbon fibre material is carried out in vacuum environment, and the outer surface of the composite layer (5) passes through machining Ensure circularity.
- 9. the balancing gate pit according to claim 1 based on carbon fibre composite, it is characterised in that the balancing gate pit is with penetrating Line source (3), industry CT (1) form rock mechanics experiment machine, and the radiographic source (3) and the industry CT (1) are distributed in testing machine The both sides of balancing gate pit, with axially loaded power F increase, the rock sample 8 is cracked, and radiographic source (3) sends X ray and worn Saturating balancing gate pit and rock sample (8), are imaged in industry CT (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710490967.6A CN107389458A (en) | 2017-06-23 | 2017-06-23 | Balancing gate pit based on carbon fibre composite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710490967.6A CN107389458A (en) | 2017-06-23 | 2017-06-23 | Balancing gate pit based on carbon fibre composite |
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| CN107389458A true CN107389458A (en) | 2017-11-24 |
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| CN201710490967.6A Pending CN107389458A (en) | 2017-06-23 | 2017-06-23 | Balancing gate pit based on carbon fibre composite |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398344A (en) * | 2018-02-26 | 2018-08-14 | 合肥工业大学 | It is a kind of can in-situ observation material internal fatigue crack growth frictional wear test device |
| CN111855428A (en) * | 2020-08-20 | 2020-10-30 | 西安建筑科技大学 | Rock sample confining pressure application test device and test method |
| CN113466107A (en) * | 2021-07-09 | 2021-10-01 | 东华理工大学 | Water permeability sleeve for indoor test and manufacturing method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000006866A1 (en) * | 1998-07-29 | 2000-02-10 | Aumann James T | Method and apparatus for recovering core samples under pressure |
| CN102288480A (en) * | 2011-06-27 | 2011-12-21 | 河海大学 | Device for sealing triaxial test sample of soil body and method for using device |
| CN103974817A (en) * | 2011-12-07 | 2014-08-06 | 轻型结构中心萨克森有限公司 | Connecting arrangement for connecting a fiber composite component to a second component |
| CN203854258U (en) * | 2014-01-29 | 2014-10-01 | 上海云逸民用航空科技有限公司 | Composite material high-bearing-strength rod |
| CN105181471A (en) * | 2015-09-11 | 2015-12-23 | 中国矿业大学 | Rock true triaxial test system with CT (Computed Tomography) real-time scanning system and method |
| CN105973919A (en) * | 2016-07-28 | 2016-09-28 | 北京瑞莱博石油技术有限公司 | Core holding unit |
| CN106546490A (en) * | 2016-10-25 | 2017-03-29 | 北京交通大学 | Rotatable rock mechanics experiment machine with internal heat |
-
2017
- 2017-06-23 CN CN201710490967.6A patent/CN107389458A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000006866A1 (en) * | 1998-07-29 | 2000-02-10 | Aumann James T | Method and apparatus for recovering core samples under pressure |
| CN102288480A (en) * | 2011-06-27 | 2011-12-21 | 河海大学 | Device for sealing triaxial test sample of soil body and method for using device |
| CN103974817A (en) * | 2011-12-07 | 2014-08-06 | 轻型结构中心萨克森有限公司 | Connecting arrangement for connecting a fiber composite component to a second component |
| CN203854258U (en) * | 2014-01-29 | 2014-10-01 | 上海云逸民用航空科技有限公司 | Composite material high-bearing-strength rod |
| CN105181471A (en) * | 2015-09-11 | 2015-12-23 | 中国矿业大学 | Rock true triaxial test system with CT (Computed Tomography) real-time scanning system and method |
| CN105973919A (en) * | 2016-07-28 | 2016-09-28 | 北京瑞莱博石油技术有限公司 | Core holding unit |
| CN106546490A (en) * | 2016-10-25 | 2017-03-29 | 北京交通大学 | Rotatable rock mechanics experiment machine with internal heat |
Non-Patent Citations (1)
| Title |
|---|
| 周建波 等: "《金属材料与热处理》", 31 December 2014, 浙江大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398344A (en) * | 2018-02-26 | 2018-08-14 | 合肥工业大学 | It is a kind of can in-situ observation material internal fatigue crack growth frictional wear test device |
| CN108398344B (en) * | 2018-02-26 | 2020-07-31 | 合肥工业大学 | Friction wear test device capable of observing fatigue crack growth inside material in situ |
| CN111855428A (en) * | 2020-08-20 | 2020-10-30 | 西安建筑科技大学 | Rock sample confining pressure application test device and test method |
| CN113466107A (en) * | 2021-07-09 | 2021-10-01 | 东华理工大学 | Water permeability sleeve for indoor test and manufacturing method thereof |
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Application publication date: 20171124 |