CN107036908B - Cube rock sample reinforcement and repair grouting test device and its application method - Google Patents
Cube rock sample reinforcement and repair grouting test device and its application method Download PDFInfo
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- CN107036908B CN107036908B CN201710228581.8A CN201710228581A CN107036908B CN 107036908 B CN107036908 B CN 107036908B CN 201710228581 A CN201710228581 A CN 201710228581A CN 107036908 B CN107036908 B CN 107036908B
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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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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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
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- Life Sciences & Earth Sciences (AREA)
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- 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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of cube rock sample reinforcement and repair grouting test device, including the rock sample shear surface provisions for grouting height-adjustable rock sample fixed bracket and matched with rock sample shear surface, rock sample shear surface provisions for grouting is installed in the fixed bracket of rock sample；In the fixed bracket of rock sample, it is connected between fixed bracket base and fixed bracket upper cover plate by the four columns of surrounding, be transversely mounted item under passing through respectively between ipsilateral two root posts between fixed bracket base and fixed bracket upper cover plate and be above transversely mounted item and connect, it is each on be transversely mounted item and be transversely mounted on item under and offer at least one rock sample fixation hole respectively.Cube rock sample reinforcement and repair grouting test device provided by the invention and its application method, it can solve the problem of can not carrying out laboratory's consolidation by grouting test to the specific joint plane of rock at present, the monitoring for realizing grouting pressure during the whole test process, provides referential data for construction site consolidating crack crack.
Description
Technical field
The present invention relates to rock sample test field, especially a kind of cube rock sample reinforcement and repair grouting test device and its make
Use method.
Background technique
The rock mass of nature often haves the defects that a large amount of microcosmic or macroscopical, presence of these joint fissures such as joint fissure
Stress field, seepage field and chemical fields inside strong influence rock mass structure, property often control entire rock mass structure
Stabilization.While it is one of an important factor for influence slope deforming is with destruction that joint fissure, which is also, in engineering construction, because of section
Manage crack influence and generate such as landslide, the bad geological phenomenon of the high slope instability of avalanche it is commonplace.But due to joint
Crack is generally minor structure, and scale is smaller, and is distributed with certain locality；Simultaneously because joint fissure becomes with condition
Change and continuous development and change, therefore, the influence of its side slope is also the process of a continuous development, and the harm of side slope also tends to
With certain concealment.Therefore, in engineering geological investigation, it is not as good as large sizes such as weak structural face, karst collapse, ancient slides
Geological structure is taken seriously like that, tends to ignore.After typical Three Gorges Projects are completed, the reservoir level of reservoir area of Three Gorges is substantially improved
And the circulation change between 145-175 Micoud water falling zone, the region there's almost no vegetation, and ROCK MASS JOINT, crack are abundant
Development, opening width is larger, and in layering disintegration, broken trend, and this destroy is in progressive development trend, the object of jointed rock mass
Reason, change of mechanical property will directly affect the stabilization of reservoir stability, it is likely that make stable reservoir stability to unstable side
To development.Therefore, it is badly in need of a kind of available experimental rig of laboratory to the specific joint plane of rock (by direct shear test device, system
The specific joint plane produced) consolidation by grouting test is carried out, referential data is provided for field-hardened rock cranny.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of cube rock sample reinforcement and repair grouting test device and its
Application method can solve the problem of can not carrying out laboratory's consolidation by grouting test to the specific joint plane of rock at present, realize
The monitoring of grouting pressure during the whole test process provides referential data for construction site consolidating crack crack.
In order to solve the above technical problems, the technical scheme adopted by the invention is that: a kind of cube rock sample reinforcement and repair filling
Experimental rig is starched,
The rock sample shear surface provisions for grouting fixing bracket including height-adjustable rock sample and being matched with rock sample shear surface,
Rock sample shear surface provisions for grouting is installed in the fixed bracket of rock sample；
In the fixed bracket of rock sample, connected between fixed bracket base and fixed bracket upper cover plate by the four columns of surrounding
Connect, be transversely mounted under passing through respectively between the ipsilateral two root posts between fixed bracket base and fixed bracket upper cover plate item and
On be transversely mounted item connection, it is each on be transversely mounted item and under be transversely mounted on item and offer at least one rock sample fixation hole respectively,
Rock sample fixing bolt passes through rock sample fixation hole and matches with the rock sample to reinforcement and repair, is above transversely mounted item and is transversely mounted item under
Between each column on provisions for grouting fixing bolt and lower provisions for grouting fixing bolt are installed；
In rock sample shear surface provisions for grouting, the front side strip of paper used for sealing, left side strip of paper used for sealing, the right side strip of paper used for sealing that are matched with each rock sample shear surface
The square body to form an inner hollow is connected by the fixed patch of strip of paper used for sealing interface between rear side strip of paper used for sealing, front side strip of paper used for sealing is to have one
Determine thickness with the rock sample open box body of contact surface, the pulp exhaust pipe with pressure gauge, front side envelope are communicated on rear side strip of paper used for sealing
The inlet pipe with micro-high-pressure pump is communicated on item.
Fixed bracket base is threadedly coupled with four columns, and fixed bracket upper cover plate is vertical by cover board fixing bolt and four
Column connection.
It front side strip of paper used for sealing, left side strip of paper used for sealing, right side strip of paper used for sealing and rear side strip of paper used for sealing and is installed on rock sample by rubber sheet gasket respectively, and
The sealing function of each strip of paper used for sealing and rock sample is realized by rubber sheet gasket.
Front side strip of paper used for sealing with a thickness of 2 centimetres.
It is a kind of that rock sample reinforcement and repair grouting test is carried out using above-mentioned cube rock sample reinforcement and repair grouting test device
Method, method includes the following steps:
Step 1: fixed bracket base being placed on testing stand, then the rock sample to reinforcement and repair is placed on fixed branch
Four columns are mounted on fixed bracket upper cover plate by frame pedestal middle position, guarantee each column bottom surface and fixed bracket base
Bottom surface is concordant, the mounting and fixing bracket upper cover plate on column, so that fixed bracket upper cover plate covers on the rock sample to reinforcement and repair；
Step 2: horizontal under the appropriate location bonding on each column according to the position of shear surface on the rock sample to reinforcement and repair
It to mounting bar and is above transversely mounted item, rock sample fixing bolt passes through down the rock sample for being transversely mounted item and being above transversely mounted on item and fixes
Hole simultaneously pushes against rock sample；
Step 3: left side strip of paper used for sealing, right side strip of paper used for sealing and rear side strip of paper used for sealing being fitted together to form an entirety, by the entirety
Be installed on each corresponding position of the shear surface of the rock sample to reinforcement and repair, then by the fixed patch of strip of paper used for sealing interface by left side strip of paper used for sealing and
Right side strip of paper used for sealing connect both ends connection with the left and right ends of front side strip of paper used for sealing respectively, is filled by upper provisions for grouting fixing bolt and lower grouting
It sets fixing bolt rock sample shear surface provisions for grouting is fixed on the shear surface to the rock sample of reinforcement and repair, completes rock sample shear surface
The installation of provisions for grouting；
Step 4: by one end cap of grouting hose at inlet pipe, the other end is protruded into the container for filling grouting slurries, will be gone out
One end cap of hose is starched on pulp exhaust pipe, the other end protrudes into the container for containing grouting waste liquid, adjusts pressure gauge, beats
Micro-high-pressure pump is opened, rock sample shear surface consolidation by grouting test can be carried out.
Cube rock sample reinforcement and repair grouting test device provided by the invention and its application method, have the beneficial effect that:
1, the control to filling speed can be realized in filling process, reach an optimal filling by suitably adjusting
Slurry proportion and flow control.
2, it can be to realize to the totally-enclosed of provisions for grouting in grouting, therefore realize the inspection to grouting pressure in filling process
It surveys, which is matched by the later period and method is applied to engineering practice and provides referential data.
3, it can solve the problem of can not carrying out laboratory's consolidation by grouting test to the specific joint plane of rock at present, realize
The monitoring of grouting pressure during the whole test process provides referential data for construction site consolidating crack crack.
4, each component of the fixed bracket of rock sample and rock sample shear surface provisions for grouting is detachable, and structure is simple, easy to use.
5, design hollow built in the strip of paper used for sealing of front side, the grouting slurries for being pumped into high pressure micro pump in filling process pass through
The hollow part, so that the mouth that is in the milk together with the comparable length of rock sample width is formed on the contact surface of front side strip of paper used for sealing and rock sample, to protect
Card grouting slurries, which uniformly can comprehensively pour into shear to break, changes section, it is ensured that grouting quality.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the structural schematic diagram of cube rock sample reinforcement and repair grouting test device of the present invention；
Fig. 2 is the support bracket fastened structural schematic diagram of rock sample of the present invention；
Fig. 3 is to be mounted with the fixation bracket upper cover plate of column and upper, lower horizontal to mounting bar in the fixed bracket of rock sample of the present invention
Top view；
Fig. 4 is that the fixation bracket base of column and upper, lower horizontal to mounting bar is mounted in the fixed bracket of rock sample of the present invention
Top view；
Fig. 5 is the structural schematic diagram of rock sample shear surface provisions for grouting of the present invention；
Fig. 6 is the schematic diagram of front side strip of paper used for sealing in rock sample shear surface provisions for grouting of the present invention；
Fig. 7 is the schematic diagram of rear side strip of paper used for sealing in rock sample shear surface provisions for grouting of the present invention；
Fig. 8 is the schematic diagram of left side strip of paper used for sealing and right side strip of paper used for sealing in rock sample shear surface provisions for grouting of the present invention.
Specific embodiment
Embodiment one
As shown in figures 1-8, a kind of cube rock sample reinforcement and repair grouting test device,
The rock sample shear surface provisions for grouting fixing bracket including height-adjustable rock sample and being matched with rock sample shear surface,
Rock sample shear surface provisions for grouting is installed in the fixed bracket of rock sample；
In the fixed bracket of rock sample, pass through the four columns 2 of surrounding between fixed bracket base 1 and fixed bracket upper cover plate 3
It connects, passes through lower laterally peace between the ipsilateral two root posts 2 between fixed bracket base 1 and fixed bracket upper cover plate 3 respectively
Dress item 5 and be above transversely mounted the connection of item 6, it is each on be transversely mounted item 6 and be transversely mounted on item 5 under and offer at least one rock respectively
Sample fixation hole 9, rock sample fixing bolt 7 pass through rock sample fixation hole 9 and match with the rock sample 21 to reinforcement and repair, are above transversely mounted item
6 and under be transversely mounted on each column 2 between item 5 provisions for grouting fixing bolt 20 and lower provisions for grouting fixing bolt be installed
23；
In rock sample shear surface provisions for grouting, the front side strip of paper used for sealing 12, the left side strip of paper used for sealing 13, right side that are matched with each rock sample shear surface
The square body of an inner hollow is formed between strip of paper used for sealing 14 and rear side strip of paper used for sealing 15 by the fixed connection of patch 19 of strip of paper used for sealing interface, it is hollow
Part is matched with rock sample 21, and front side strip of paper used for sealing 12 is to have the certain thickness and rock sample 21 open box body of contact surface, rear side envelope
It is communicated with the pulp exhaust pipe 16 with pressure gauge 17 on item 15, is communicated with the inlet pipe with micro-high-pressure pump 11 on front side strip of paper used for sealing 12
10。
Fixed bracket base 1 is threadedly coupled with four columns 2, and fixed bracket upper cover plate 3 passes through cover board fixing bolt 4 and four
Root post 2 connects.
Front side strip of paper used for sealing 12, left side strip of paper used for sealing 13, right side strip of paper used for sealing 14 and rear side strip of paper used for sealing 15 with respectively pass through rubber sheet gasket 18 install
On on rock sample 22, and pass through the sealing function that rubber sheet gasket 18 realizes each strip of paper used for sealing Yu rock sample 22.
Front side strip of paper used for sealing 12 with a thickness of 2 centimetres.
2 surface of column has screw thread.
On be transversely mounted item 6 and under offer 8 He of provisions for grouting fixation hole on each column 2 for being transversely mounted between item 5
Lower provisions for grouting fixation hole 22.
Embodiment two
It is a kind of that rock sample reinforcement and repair grouting test is carried out using above-mentioned cube rock sample reinforcement and repair grouting test device
Method, method includes the following steps:
Step 1: fixed bracket base 1 being placed on testing stand, then the rock sample 21 to reinforcement and repair is placed on will be solid
Four columns 2 are mounted on fixed bracket upper cover plate 3 by 1 middle position of fixed rack pedestal, guarantee each 2 bottom surface of column and fixation
1 bottom surface of bracket base is concordant, the mounting and fixing bracket upper cover plate 3 on column 2, so that fixed bracket upper cover plate 3 is covered wait reinforce
On the rock sample 21 of reparation；
Step 2: the appropriate location bonding according to the position of shear surface on the rock sample 21 to reinforcement and repair, on each column 2
Under be transversely mounted item 5 and be above transversely mounted item 6, rock sample fixing bolt 7, which passes through down, to be transversely mounted item 5 and is above transversely mounted on item 6
Rock sample fixation hole 9 and push against rock sample 21；
Step 3: left side strip of paper used for sealing 13, right side strip of paper used for sealing 14 and rear side strip of paper used for sealing 15 being fitted together to form an entirety, by institute
Each corresponding position for being mounted as a whole on the shear surface of the rock sample 21 to reinforcement and repair is stated, then will by the fixed patch 19 of strip of paper used for sealing interface
Left side strip of paper used for sealing 13 and right side strip of paper used for sealing 14 are connect with the left and right ends of front side strip of paper used for sealing 12 respectively, pass through upper provisions for grouting fixing bolt 20
Rock sample shear surface provisions for grouting is fixed on the shear surface to the rock sample 21 of reinforcement and repair with lower provisions for grouting fixing bolt 23,
Complete the installation of rock sample shear surface provisions for grouting；
Step 4: by one end cap of grouting hose at inlet pipe 10, the other end is protruded into the container for filling grouting slurries, will
On pulp exhaust pipe 16, the other end protrudes into the container for containing grouting waste liquid one end cap of pulp hose, adjusts pressure
Meter 17 opens micro-high-pressure pump 11, can carry out rock sample shear surface consolidation by grouting test.
After consolidation by grouting process is completed, rock sample shear surface provisions for grouting and related pipeline are removed, by the rock sample after grouting
It is put into progress some cycles maintenance in curing box as a whole with fixed bracket, after maintenance is completed, the entirety is moved
Curing box out removes fixed bracket, can also carry out correlation test to the rock sample after reinforcing.
Claims (5)
1. a kind of cube rock sample reinforcement and repair grouting test device, it is characterised in that:
Including the rock sample shear surface provisions for grouting height-adjustable rock sample fixed bracket and matched with rock sample shear surface, rock sample
Shear surface provisions for grouting is installed in the fixed bracket of rock sample；
In the fixed bracket of rock sample, pass through the four columns of surrounding between fixed bracket base (1) and fixed bracket upper cover plate (3)
(2) it connects, passes through respectively between the ipsilateral two root posts (2) between fixed bracket base (1) and fixed bracket upper cover plate (3)
Under be transversely mounted item (5) and be above transversely mounted item (6) connection, it is each on be transversely mounted item (6) and under be transversely mounted on item (5) distinguish
At least one rock sample fixation hole (9) is offered, rock sample fixing bolt (7) passes through rock sample fixation hole (9) and the rock to reinforcement and repair
Sample (21) matches, be above transversely mounted item (6) and under grouting dress is installed on each column (2) for being transversely mounted between item (5)
Set fixing bolt (20) and lower provisions for grouting fixing bolt (23)；
In rock sample shear surface provisions for grouting, the front side strip of paper used for sealing (12), the left side strip of paper used for sealing (13), right side that are matched with each rock sample shear surface
The rectangular of an inner hollow is formed by strip of paper used for sealing interface fixed patch (19) connection between strip of paper used for sealing (14) and rear side strip of paper used for sealing (15)
Body, front side strip of paper used for sealing (12) are to have certain thickness and rock sample (21) the open box bodys of contact surface, and rear side strip of paper used for sealing is connected on (15)
There is the pulp exhaust pipe (16) with pressure gauge (17), front side strip of paper used for sealing is communicated with the inlet pipe with micro-high-pressure pump (11) on (12)
(10).
2. cube rock sample reinforcement and repair grouting test device according to claim 1, it is characterised in that: fixed bracket bottom
Seat (1) is threadedly coupled with four columns (2), and fixed bracket upper cover plate (3) pass through cover board fixing bolt (4) and four columns (2)
Connection.
3. cube rock sample reinforcement and repair grouting test device according to claim 1, it is characterised in that: front side strip of paper used for sealing
(12), left side strip of paper used for sealing (13), right side strip of paper used for sealing (14) and rear side strip of paper used for sealing (15) are installed on rock sample by rubber sheet gasket (18) respectively
(21) on, and pass through the sealing function of rubber sheet gasket (18) realization each strip of paper used for sealing and rock sample (21).
4. cube rock sample reinforcement and repair grouting test device according to claim 1, it is characterised in that: front side strip of paper used for sealing
(12) with a thickness of 2 centimetres.
5. a kind of carried out using cube rock sample reinforcement and repair grouting test device described in any one of the claims 1-4
The method of rock sample reinforcement and repair grouting test, it is characterised in that method includes the following steps:
Step 1: fixed bracket base (1) being placed on testing stand, then fixation will be placed on to the rock sample of reinforcement and repair (21)
Bracket base (1) middle position, four columns (2) are mounted on fixed bracket base (1), guarantee each column (2) bottom surface with
Fixed bracket base (1) bottom surface is concordant, the mounting and fixing bracket upper cover plate (3) on column (2), so that fixed bracket upper cover plate
(3) it covers on the rock sample (21) to reinforcement and repair；
Step 2: the appropriate location bonding according to the position of shear surface on the rock sample (21) to reinforcement and repair, on each column (2)
Under be transversely mounted item (5) and be above transversely mounted item (6), rock sample fixing bolt (7), which passes through down, is transversely mounted item (5) and upper laterally peace
It fills the rock sample fixation hole (9) on item (6) and pushes against rock sample (21)；
Step 3: left side strip of paper used for sealing (13), right side strip of paper used for sealing (14) and rear side strip of paper used for sealing (15) are fitted together to form an entirety, it will
Each corresponding position of the shear surface for being mounted as a whole on the rock sample (21) to reinforcement and repair, then pass through the fixed patch of strip of paper used for sealing interface
(19) left side strip of paper used for sealing (13) and right side strip of paper used for sealing (14) are connect with the left and right ends of front side strip of paper used for sealing (12) respectively, is filled by upper grouting
It sets fixing bolt (20) and rock sample shear surface provisions for grouting is fixed on to reinforcement and repair by lower provisions for grouting fixing bolt (23)
On the shear surface of rock sample (21), the installation of rock sample shear surface provisions for grouting is completed；
Step 4: by one end cap of grouting hose at inlet pipe (10), the other end is protruded into the container for filling grouting slurries, will be gone out
One end cap of hose is starched on pulp exhaust pipe (16), the other end protrudes into the container for containing grouting waste liquid, adjusts pressure
It counts (17), opens micro-high-pressure pump (11), rock sample shear surface consolidation by grouting test can be carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710228581.8A CN107036908B (en) | 2017-04-10 | 2017-04-10 | Cube rock sample reinforcement and repair grouting test device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710228581.8A CN107036908B (en) | 2017-04-10 | 2017-04-10 | Cube rock sample reinforcement and repair grouting test device and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107036908A CN107036908A (en) | 2017-08-11 |
| CN107036908B true CN107036908B (en) | 2019-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710228581.8A Active CN107036908B (en) | 2017-04-10 | 2017-04-10 | Cube rock sample reinforcement and repair grouting test device and its application method |
Country Status (1)
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| SU1679293A1 (en) * | 1989-07-03 | 1991-09-23 | Западно-Сибирский научно-исследовательский и проектно-конструкторский институт технологии глубокого разведочного бурения | Apparatus for determination of penetrability of contact layer |
| CN101067376A (en) * | 2007-06-07 | 2007-11-07 | 中国矿业大学(北京) | Fissure rock grouting reinforcement experimental instrument and experimental method thereof |
| CN202145207U (en) * | 2011-07-29 | 2012-02-15 | 中铁西南科学研究院有限公司 | Indoor pressurization grouting tester for simulating grouting in construction site |
| CN103869054A (en) * | 2014-03-25 | 2014-06-18 | 安徽理工大学 | Pressurized grouting test device and method for rock specimens |
| CN104458425A (en) * | 2014-11-07 | 2015-03-25 | 西安建筑科技大学 | Grouting effect evaluation device for geotechnical engineering |
| CN204807400U (en) * | 2015-07-23 | 2015-11-25 | 中国电建集团华东勘测设计研究院有限公司 | Rock fracture grouting effect testing arrangement |
| CN205263089U (en) * | 2015-09-28 | 2016-05-25 | 北京建筑大学 | Stratum slip casting analog system |
| CN205826620U (en) * | 2016-05-31 | 2016-12-21 | 中核第四研究设计工程有限公司 | The dynamic water crack gap slurry filling imitation device of a kind of visualization |
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2017
- 2017-04-10 CN CN201710228581.8A patent/CN107036908B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1679293A1 (en) * | 1989-07-03 | 1991-09-23 | Западно-Сибирский научно-исследовательский и проектно-конструкторский институт технологии глубокого разведочного бурения | Apparatus for determination of penetrability of contact layer |
| CN101067376A (en) * | 2007-06-07 | 2007-11-07 | 中国矿业大学(北京) | Fissure rock grouting reinforcement experimental instrument and experimental method thereof |
| CN202145207U (en) * | 2011-07-29 | 2012-02-15 | 中铁西南科学研究院有限公司 | Indoor pressurization grouting tester for simulating grouting in construction site |
| CN103869054A (en) * | 2014-03-25 | 2014-06-18 | 安徽理工大学 | Pressurized grouting test device and method for rock specimens |
| CN104458425A (en) * | 2014-11-07 | 2015-03-25 | 西安建筑科技大学 | Grouting effect evaluation device for geotechnical engineering |
| CN204807400U (en) * | 2015-07-23 | 2015-11-25 | 中国电建集团华东勘测设计研究院有限公司 | Rock fracture grouting effect testing arrangement |
| CN205263089U (en) * | 2015-09-28 | 2016-05-25 | 北京建筑大学 | Stratum slip casting analog system |
| CN205826620U (en) * | 2016-05-31 | 2016-12-21 | 中核第四研究设计工程有限公司 | The dynamic water crack gap slurry filling imitation device of a kind of visualization |
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|---|---|
| CN107036908A (en) | 2017-08-11 |
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