CN107941614A - A kind of rock fracture creep test system - Google Patents
A kind of rock fracture creep test system Download PDFInfo
- Publication number
- CN107941614A CN107941614A CN201711248002.2A CN201711248002A CN107941614A CN 107941614 A CN107941614 A CN 107941614A CN 201711248002 A CN201711248002 A CN 201711248002A CN 107941614 A CN107941614 A CN 107941614A
- Authority
- CN
- China
- Prior art keywords
- rock fracture
- sample
- pedestal
- rock
- displacement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Landscapes
- Physics & Mathematics (AREA)
- 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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of rock fracture creep test system, including main machine frame, test cabinet, movable agency, seepage apparatus and displacement monitor；The main machine frame includes pedestal and increased pressure board, and test cabinet, the interior cube rock fracture sample placed for testing of the test cabinet are installed on the pedestal, and the sample top connects increased pressure board, displacement sensor is installed on the increased pressure board.The present invention has good seal performance, and rock fracture creep properties can be tested under different stress, infiltration condition.
Description
Technical field
The invention belongs to rock mechanics field, and in particular to a kind of rock fracture creep test system.
Background technology
In Practical Project, the creep properties of rock is the one of the major reasons for causing wprks and unstability, studies rock
The creep properties of stone has great importance for the assessment of rock mass engineering project long-term reliability.In labs on creep of rock
The experimental study of characteristic can not only help us to understand creep properties of the rock under different stress in depth, moreover it is possible to in fact
Border engineer application provides the support of basic data.
Usually containing crack and phenomena such as with seepage flow inside natural rock, these cracks are the planes of weakness in rock,
Control action is played to the property of rock entirety, it is necessary to the pointedly creep properties in study of rocks crack.Although however, mesh
The preceding creep properties on rock has carried out substantial amounts of experimental study, but most of experiment is concerned with axial or tangential
The creep properties of sillar entirety under load action, the research to rock fracture creep properties are not carried out fully also, and not yet establishing can
The testing equipment and method leaned on.In addition, in the presence of underground water, the creep properties of rock fracture will be subject to water-lithofacies
The influence of interaction, it is therefore necessary to the effect of seepage flow is considered in creep test.
The content of the invention
This invention address that develop a kind of rock fracture creep test system, in order to break through existing test method and device without
Method considers the problem of creep properties and seepage flow of rock fracture.
To achieve the above object, the specifically disclosed technical solution of the present invention is：A kind of rock fracture creep test system, bag
Include main machine frame, test cabinet, movable agency, seepage apparatus and displacement monitor；The main machine frame includes pedestal and pressurization
Plate, test cabinet is installed on the pedestal, the cube rock fracture sample for testing, the sample are placed in the test cabinet
Top connects increased pressure board, and displacement sensor is installed on the increased pressure board.
A kind of rock fracture creep test system is further set, and test cabinet is made of four blocks of side plates all around, side plate
Inner side is provided with rubber sealant；The right plate is bolted on pedestal；The forward and backward side plate by kidney slot with
Pedestal is connected, and has connecting rod between forward and backward side plate, connecting rod two end is equipped with rotation bolt, and adjusting bolt plays after sample is installed
Fasten the effect of sample；Left plate is connected by movable agency with pedestal.
A kind of rock fracture creep test system is further set, the movable agency include hand grip of aluminum alloy, adjustable foot,
Fixing nut, thrust ball bearing；Movable agency is bolted on pedestal, hand grip of aluminum alloy, adjustable foot, fixing nut,
Thrust ball bearing is interconnected to form an entirety, and thrust ball bearing is embedded in left plate, by adjust hand grip of aluminum alloy come
Promote left plate movement.
A kind of rock fracture creep test system is further set, and the seepage apparatus includes being made of high-strength transparent material
Front side collecting chamber and rear side collecting chamber, hydraulic pressure sensor, flow sensor and water pipe；Length is left in the middle part of front side board and back side panel
Strip gab, front side collecting chamber is installed on front side board by bolt, and wraps opening, and rear side collecting chamber is installed by bolt
On back side panel, and wrap opening；Water injection hole and water-pressure survey hole are left on the collecting chamber of front side, is left out on rear side collecting chamber
Water hole and water-pressure survey hole；Flow sensor connects water injection hole by water pipe；Hydraulic pressure sensor connects water-pressure survey by water pipe
Hole.
A kind of rock fracture creep test system is further set, and the displacement monitor includes displacement sensor, answers
Become piece, data collector and computer.Displacement sensor is installed on increased pressure board, measures the displacement of sample in real time；Foil gauge is attached to
The block both sides up and down of rock fracture sample, measure the strain of rock block in real time；Displacement sensor and foil gauge pass through data
Collector is connected with automatic data collection with computer.
Beneficial effects of the present invention are mainly manifested in：
First, TERM DEFORMATION characteristic of the rock fracture under the conditions of different stress and different seepage flow can accurately be measured；
2nd, the position of side plate can be adjusted by kidney slot and movable agency, easy to be put into rock sample, and is applied enough
Lateral restriction, ensure the leakproofness of device；
3rd, using collecting chamber component, water is injected from single water injection hole, full of can uniformly be flowed into after cavity in crack,
So as to simulate the seepage flow situation in true rock fracture.
Brief description of the drawings
Front view when Fig. 1 is present invention loading；Fig. 2 is the side view when present invention does not load；Fig. 3 is vertical view of the present invention
Figure；Fig. 4 is elevation cross-sectional view of the present invention；Fig. 5 is the three-view diagram of collecting chamber of the present invention；Fig. 6 is foil gauge layout drawing of the present invention.
Label declaration in Fig. 1-5,1- pedestals；2- kidney slots；3- test cabinet bottom covers；4- hand grip of aluminum alloy；5- adjustable foots；6-
Fixing nut；7- test cabinets front side board (belt length strip gab)；8- displacement sensors；9- pressure heads；10- increased pressure boards；On front side of 11a-
Plate water-pressure survey hole；11a- back side panel water-pressure survey hole；12- water injection holes；Collecting chamber on front side of 13-；14- rotating nuts；15- displacements
Measure column；16- test cabinet left plates；17- connecting rods；18- test cabinets back side panel (belt length strip gab)；19- thrust ball bearings；
Collecting chamber on rear side of 20-；21- apopores；22- test cabinets；23- test cabinet right plates；24- rubber sealants；25- rock blocks；
26- rock fractures；27- foil gauges；30- main machine frames；50- movable agencies；60- seepage apparatus；70- displacement monitors.
Embodiment
As shown in Figs. 1-5, a kind of rock fracture creep test system, including main machine frame 30, test cabinet 22, movable agency
50th, seepage apparatus 60 and displacement monitor 70；The main machine frame 30 includes pedestal and increased pressure board 10, pacifies on the pedestal 1
Test cabinet 40 is filled, the interior placement of the test cabinet 40 is used for the cube rock fracture sample tested, connects and add at the top of the sample
Pressing plate 10, displacement sensor 8 is installed on the increased pressure board 10.
As shown in Figure 1, the main machine frame 30 includes pedestal 1 and increased pressure board 10, test cabinet 22 is installed on the pedestal 1
Bottom cover 3, the bottom cover 3 collectively form test cabinet 22, institute with test cabinet front side board 7, back side panel 18, left plate 16 and right plate 23
State the cube rock fracture sample 26 placed in test cabinet 22 for testing, the sample top connection pressure head 9, the pressure head
Top connects increased pressure board 10, and displacement sensor 8 is installed on the increased pressure board 10, and the increased pressure board 10 bears external equipment offer
Pressure carries out creep test.
As shown in Fig. 2, front side board 7 and back side panel 18 are L-shaped, lower part is connected on pedestal by waist-shaped hole 2, is being put into rock
Position after stone sample by adjusting 2 inner bolt of waist-shaped hole allows front side board 7 and back side panel 18 to be close to sample.
As shown in figure 4, the movable agency 50 includes hand grip of aluminum alloy 4, adjustable foot 5, fixing nut 6, thrust ball bearing
19.Movable device is fixed on pedestal 1 by fixing nut 6, and test cabinet left plate 16 is connected with thrust ball bearing 19, rotates aluminium
Alloy handle 4 can drive the rotation of adjustable foot 5 and thrust ball bearing 19, drive test cabinet left plate 16 to produce left and right displacement, from
And the distance between left and right side plate is adjusted, left and right side plate is close to sample.
As shown in figure 3, four sides side plate interior sides post rubber sealant 24, made by the nut 14 adjusted on connecting rod 17
Forward and backward side plate clamps sample, so that rubber sealant is close to crack 26, ensures leakproofness；Right plate 23 is fixed on pedestal,
Left plate 16 clamps sample by adjusting movable agency, so that rubber sealant is close to crack 26, ensures leakproofness.
The seepage apparatus 60, including water injection hole 12, apopore 21, front side collecting chamber 13, rear side collecting chamber 20, hydraulic pressure are surveyed
Metering-orifice 11a, 11b.Strip opening is left at front side board 7 and the middle part of back side panel 18, before front side collecting chamber 13 is installed on by bolt
On side plate 7, and opening is wrapped, rear side collecting chamber 20 is installed on 18 on back side panel by bolt, and wraps opening；Front side collection
Water-pressure survey hole 11a and water injection hole 12 are left on hydroecium 13, water-pressure survey hole 11b and apopore are left on rear side collecting chamber 20
21.Water enters front side collecting chamber 13 by water injection hole 12, and after collecting chamber 13, rear side collecting chamber is flowed into by rock fracture 27
20, finally from 21 bleeder of apopore.Water injection hole 12 is connected by water pipe and outer plunger pump, apopore 21 by water pipe and
Flow sensor is connected；11a, 11b are connected with hydraulic pressure sensor in water-pressure survey hole.
The displacement monitor 70 includes displacement sensor 8, foil gauge 27, data collector and computer.Displacement sensing
Device 8 is located on increased pressure board, connects with data collector and computer, for monitoring the displacement of sample entirety in real time；Foil gauge 27
The block both sides up and down of rock fracture sample are attached to, measure the strain of rock block 25 in real time；The displacement of sample entirety subtracts block
The deflection of body is the deflection that can obtain rock fracture.
The concrete application of the present embodiment：
The creep test of the present invention in dry conditions.Rock fracture sample is placed in test cabinet, applies certain method
Remained unchanged after to stress, displacement data is gathered using displacement monitor, utilize foil gauge collection rock block answering in itself
Becoming and be converted into deflection, the deflection that the displacement of sample totality subtracts rock block obtains the deflection in crack, so that
Strain-time graph of rock fracture is formed, and creep formula is obtained by fitting.
Creep test under the conditions of seepage flow of the present invention.Rock fracture test block is placed in test cabinet, applies certain normal direction
Remained unchanged after stress, the water filling into crack by external plunger pump, the seepage flow test under the conditions of 5 kinds can be carried out：Hydrostatic bar
Part, constant flow rate, constant water pressure condition, the flow conditions that become, change hydraulic condition.Displacement number is gathered using displacement monitor
According to using foil gauge collection rock block strain in itself and being converted into deflection, the displacement of sample totality subtracts rock block
The deflection of body obtains the deflection in crack, so as to form strain-time graph of rock fracture, and is obtained by fitting compacted
Become formula.
Creep test under step loading environment of the present invention.Remained unchanged after certain normal stress is applied, certain
Time after increase certain stress, remain unchanged again, so circulation, obtain rock fracture under step loading environment should
Change-time graph.The test can both carry out in dry conditions or under various seepage effects.
Claims (5)
1. a kind of rock fracture creep test system, it is characterised in that including main machine frame, test cabinet, movable agency, seepage flow dress
Put and displacement monitor；The main machine frame includes pedestal and increased pressure board, and test cabinet, the test cabinet are installed on the pedestal
The interior cube rock fracture sample placed for testing, connection increased pressure board at the top of the sample, installation position on the increased pressure board
Displacement sensor.
A kind of 2. rock fracture creep test system as claimed in claim 1, it is characterised in that：Test cabinet is by all around four
Block side plate forms, and side plate interior sides are provided with rubber sealant；The right plate is bolted on pedestal；It is described forward and backward
Side plate is connected by kidney slot with pedestal, has connecting rod between forward and backward side plate, connecting rod two end is equipped with rotation bolt, in installation sample
Adjusting bolt plays the role of fastening sample afterwards；Left plate is connected by movable agency with pedestal.
A kind of 3. rock fracture creep test system as claimed in claim 1, it is characterised in that：The movable agency includes aluminium
Alloy handle, adjustable foot, fixing nut, thrust ball bearing；Movable agency is bolted on pedestal, hand grip of aluminum alloy,
Adjustable foot, fixing nut, thrust ball bearing are interconnected to form an entirety, and thrust ball bearing is embedded in left plate, passes through
Hand grip of aluminum alloy is adjusted to promote left plate to move.
A kind of 4. rock fracture creep test system as claimed in claim 1, it is characterised in that：The seepage apparatus include by
Front side collecting chamber and rear side collecting chamber, hydraulic pressure sensor, flow sensor and water pipe made of high-strength transparent material；Front side board and
Strip opening is left in the middle part of back side panel, front side collecting chamber is installed on front side board by bolt, and wraps opening, rear side collection
Hydroecium is installed on back side panel by bolt, and wraps opening；Water injection hole and water-pressure survey hole are left on the collecting chamber of front side, after
Apopore and water-pressure survey hole are left on the collecting chamber of side；Flow sensor connects water injection hole by water pipe；Hydraulic pressure sensor passes through
Water pipe connection water-pressure survey hole.
A kind of 5. rock fracture creep test system as claimed in claim 1, it is characterised in that：The displacement monitor bag
Include displacement sensor, foil gauge, data collector and computer.Displacement sensor is installed on increased pressure board, measures sample in real time
Displacement；Foil gauge is attached to the block both sides up and down of rock fracture sample, measures the strain of rock block in real time；Displacement sensor and
Foil gauge is connected with automatic data collection by data collector with computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711248002.2A CN107941614A (en) | 2017-12-01 | 2017-12-01 | A kind of rock fracture creep test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711248002.2A CN107941614A (en) | 2017-12-01 | 2017-12-01 | A kind of rock fracture creep test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107941614A true CN107941614A (en) | 2018-04-20 |
Family
ID=61948224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711248002.2A Pending CN107941614A (en) | 2017-12-01 | 2017-12-01 | A kind of rock fracture creep test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107941614A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414348A (en) * | 2018-05-07 | 2018-08-17 | 绍兴文理学院 | A kind of true triaxial test system and its implementation of test rock |
| CN109297869A (en) * | 2018-11-14 | 2019-02-01 | 西南交通大学 | For the experimental rig of degradation mechanism containing fissure rock and method under water-rock interaction |
| CN109580394A (en) * | 2019-01-08 | 2019-04-05 | 东北大学 | A kind of Charpy impact rock shearing creep testing machine and test method |
| CN111189692A (en) * | 2020-03-13 | 2020-05-22 | 中原工学院 | Long-term strength test system for anchored rock mass based on stress seepage coupling effect |
| CN112050980A (en) * | 2020-08-21 | 2020-12-08 | 绍兴文理学院元培学院 | Torque measuring instrument based on strain gauge |
| CN113029797A (en) * | 2021-03-15 | 2021-06-25 | 河海大学 | Rock hydraulic coupling creep test equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175529A (en) * | 2011-01-26 | 2011-09-07 | 徐州师范大学 | Creep permeation full-distance coupling test system for broken rock sample |
| JP2012018015A (en) * | 2010-07-06 | 2012-01-26 | Central Res Inst Of Electric Power Ind | Bedrock sample permeability testing method |
| CN203101196U (en) * | 2013-03-21 | 2013-07-31 | 西安科技大学 | Multifunctional shear strength tester |
| CN203210001U (en) * | 2013-05-16 | 2013-09-25 | 福建省机械科学研究院 | Rotation working table and exchanging device thereof |
| CN103335895A (en) * | 2013-06-28 | 2013-10-02 | 绍兴文理学院 | Multi-scale rock direct shear apparatus |
| CN103399272A (en) * | 2013-07-25 | 2013-11-20 | 福建永强力加动力设备有限公司 | Test tool of generator |
| CN103551853A (en) * | 2013-11-05 | 2014-02-05 | 常州工程职业技术学院 | Drum wheel machine tool |
| CN105973724A (en) * | 2016-07-26 | 2016-09-28 | 山东科技大学 | Rock mass discontinuity surface shear seepage coupling test box |
| CN206020193U (en) * | 2016-08-11 | 2017-03-15 | 绍兴文理学院 | A kind of disconnected strength test assay device of shear of rock for meeting different size specification |
| CN106546483A (en) * | 2016-10-19 | 2017-03-29 | 中铁二院重庆勘察技术研究院有限责任公司 | Two-dimentional mechanical models for soil and rock assay device and method |
-
2017
- 2017-12-01 CN CN201711248002.2A patent/CN107941614A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012018015A (en) * | 2010-07-06 | 2012-01-26 | Central Res Inst Of Electric Power Ind | Bedrock sample permeability testing method |
| CN102175529A (en) * | 2011-01-26 | 2011-09-07 | 徐州师范大学 | Creep permeation full-distance coupling test system for broken rock sample |
| CN203101196U (en) * | 2013-03-21 | 2013-07-31 | 西安科技大学 | Multifunctional shear strength tester |
| CN203210001U (en) * | 2013-05-16 | 2013-09-25 | 福建省机械科学研究院 | Rotation working table and exchanging device thereof |
| CN103335895A (en) * | 2013-06-28 | 2013-10-02 | 绍兴文理学院 | Multi-scale rock direct shear apparatus |
| CN103399272A (en) * | 2013-07-25 | 2013-11-20 | 福建永强力加动力设备有限公司 | Test tool of generator |
| CN103551853A (en) * | 2013-11-05 | 2014-02-05 | 常州工程职业技术学院 | Drum wheel machine tool |
| CN105973724A (en) * | 2016-07-26 | 2016-09-28 | 山东科技大学 | Rock mass discontinuity surface shear seepage coupling test box |
| CN206020193U (en) * | 2016-08-11 | 2017-03-15 | 绍兴文理学院 | A kind of disconnected strength test assay device of shear of rock for meeting different size specification |
| CN106546483A (en) * | 2016-10-19 | 2017-03-29 | 中铁二院重庆勘察技术研究院有限责任公司 | Two-dimentional mechanical models for soil and rock assay device and method |
Non-Patent Citations (3)
| Title |
|---|
| 刘公雨等: "剪切式薄膜塑料粉碎机设计", 《机械设计与制造》 * |
| 彭苏萍等: "沉积岩石全应力应变过程的渗透性试验研究", 《煤炭学报》 * |
| 阎岩: "渗流作用下岩石蠕变试验与变参数蠕变方程的研究", 《中国博士学位论文全文数据库 工程科技II辑》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414348A (en) * | 2018-05-07 | 2018-08-17 | 绍兴文理学院 | A kind of true triaxial test system and its implementation of test rock |
| CN108414348B (en) * | 2018-05-07 | 2020-05-26 | 绍兴文理学院 | True triaxial test system for testing rock and implementation method thereof |
| CN109297869A (en) * | 2018-11-14 | 2019-02-01 | 西南交通大学 | For the experimental rig of degradation mechanism containing fissure rock and method under water-rock interaction |
| CN109580394A (en) * | 2019-01-08 | 2019-04-05 | 东北大学 | A kind of Charpy impact rock shearing creep testing machine and test method |
| CN109580394B (en) * | 2019-01-08 | 2021-01-15 | 东北大学 | Pendulum bob rock impact shear creep testing machine and testing method |
| CN111189692A (en) * | 2020-03-13 | 2020-05-22 | 中原工学院 | Long-term strength test system for anchored rock mass based on stress seepage coupling effect |
| CN112050980A (en) * | 2020-08-21 | 2020-12-08 | 绍兴文理学院元培学院 | Torque measuring instrument based on strain gauge |
| CN112050980B (en) * | 2020-08-21 | 2022-04-12 | 绍兴文理学院元培学院 | Torque measuring instrument based on strain gauge |
| CN113029797A (en) * | 2021-03-15 | 2021-06-25 | 河海大学 | Rock hydraulic coupling creep test equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107941614A (en) | A kind of rock fracture creep test system | |
| WO2020010854A1 (en) | Rock impact loading-unloading confining pressure test system and usage method therefor | |
| CN104458529B (en) | Unsaturated soil rain infiltration simulation test device in a kind of multifunctional room | |
| CN108007800B (en) | Model test device and test method for circular dynamic load soil body settlement | |
| CN106918531A (en) | Can be used for multiphase coupled sound combination loading rock test rig and test method | |
| CN203365427U (en) | Visual analog simulation experiment table | |
| CN106644836A (en) | Visual fracturing grouting model testing device and testing method thereof | |
| CN110514806B (en) | Similar simulation test device and method | |
| CN107991170A (en) | Measure triaxial tests instrument balancing gate pit and its operating method of rock sample bulk strain | |
| CN112763694B (en) | Two-dimensional similarity simulation test device and method for dynamic disturbance of mine exploitation | |
| CN108645775A (en) | A kind of non-uniform stress coal-bed flooding seepage flow wetting three dimensional taest system | |
| CN108051320A (en) | Rock fracture creep test system under the influence of a kind of temperature | |
| Shao et al. | True triaxial apparatus with rigid-flexible-flexible boundary and remolded loess testing | |
| CN108871965A (en) | A kind of anchor pole load load testing machine | |
| CN109115632A (en) | The comprehensive shearing experiment device of anchoring body and its experimental method | |
| CN107328385A (en) | Goaf roof and floor deformation and obturation stress monitoring integrated apparatus and method | |
| US20180282966A1 (en) | Devices used in laboratories to measure horizontal displacement of soil around a foundation to be treated by vacuum preloading, and measurement methods | |
| WO2020151091A1 (en) | Test device and method for simulating breakage of roof rock beam | |
| CN103760096B (en) | A kind of side direction pressurization analog simulation experimental device and experimental technique | |
| CN106996302A (en) | Bore the integrated anchorage technology multi-function test stand of envelope note and its test method | |
| CN103076278A (en) | Stimulated comprehensive experimental device for anchorage construction of anchor bolt support | |
| CN110779800A (en) | Method and device for predicting pullout resistance of compacted grouting soil nail and device application method | |
| CN103711152B (en) | X-type Model Pile loads monitoring device and monitoring method | |
| CN107621415A (en) | A kind of true triaxial multifunctional large-scale Deep Mine Roadway model testing machine | |
| CN109269905A (en) | A kind of rock test device and method simulated under high humidity acidic environment state |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |