CN107036908A - 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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- CN107036908A CN107036908A CN201710228581.8A CN201710228581A CN107036908A CN 107036908 A CN107036908 A CN 107036908A CN 201710228581 A CN201710228581 A CN 201710228581A CN 107036908 A CN107036908 A CN 107036908A
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- rock sample
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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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- 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 adjustable for height rock sample fixed support and the rock sample shear surface provisions for grouting that is engaged with rock sample shear surface, rock sample shear surface provisions for grouting are installed in rock sample fixed support；In rock sample fixed support, connected between fixed support base and fixed support upper cover plate by four root posts of surrounding, under be transversely mounted bar respectively between the two root posts of homonymy between fixed support base and fixed support upper cover plate and be above transversely mounted bar connection, it is each on be transversely mounted bar and under be transversely mounted on bar and offer at least one rock sample fixing hole respectively.Cube rock sample reinforcement and repair grouting test device and its application method that the present invention is provided, it can solve that the problem of laboratory's consolidation by grouting is tested can not be carried out to the specific joint plane of rock at present, the monitoring of the grouting pressure in whole process of the test is realized, referential data is provided for job 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 technology
Often there are a large amount of microcosmic or macroscopical defects such as joint fissure, the presence of these joint fissures in the rock mass of nature
Stress field, seepage field and chemical fields inside strong influence rock mass structure, its property often control whole rock mass structure
Stabilization.It is to influence one of key factor of slope deforming and destruction that joint fissure, which is also, simultaneously, in engineering construction, because section
The bad geological phenomenon managed the influence in crack and produce such as landslide, the high slope instability of avalanche is of common occurrence.But it is due to joint
Crack is generally minor structure, and scale is smaller, and distribution has certain locality；Simultaneously because joint fissure becomes with condition
Change and constantly development and change, therefore, the influence of its side slope is also a process continued to develop, and the harm of side slope is also tended to
With certain disguise.Therefore, in engineering geological investigation, it is large-scale not as weak structural face, karst collapse, ancient slide etc.
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 destruction is in progressive development trend, the thing 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 specific joint plane of available experimental rig of laboratory to rock（By direct shear test device, system
The specific joint plane produced）Consolidation by grouting experiment is carried out, referential data is provided for field-hardened rock cranny.
The content of the invention
The technical problems to be solved by the invention be to provide a kind of cube rock sample reinforcement and repair grouting test device and its
Application method, can solve that the problem of laboratory's consolidation by grouting is tested can not be carried out to the specific joint plane of rock at present, realize
The monitoring of grouting pressure in whole process of the test, referential data is provided for job site consolidating crack crack.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of cube rock sample reinforcement and repair is filled
Starch experimental rig,
The rock sample shear surface provisions for grouting being engaged including adjustable for height rock sample fixed support and with rock sample shear surface, rock sample
Shear surface provisions for grouting is installed in rock sample fixed support；
In rock sample fixed support, connected between fixed support base and fixed support upper cover plate by four root posts of surrounding, Gu
It is transversely mounted bar and upper horizontal stroke between the two root posts of homonymy between fixed rack base and fixed support upper cover plate under respectively
Connected to mounting bar, it is each on be transversely mounted bar and under be transversely mounted on bar and offer at least one rock sample fixing hole, rock sample respectively
Fixing bolt through rock sample fixing hole and treating that the rock sample of reinforcement and repair is engaged, be above transversely mounted bar and under be transversely mounted between bar
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 that is engaged with each rock sample shear surface, left side strip of paper used for sealing, right side strip of paper used for sealing and after
The square body to form an inner hollow is connected between side sealing strip by strip of paper used for sealing interface fixation paster, front side strip of paper used for sealing is to have certain thickness
It is communicated with the box body unlimited with the contact surface of rock sample of degree, rear side strip of paper used for sealing on the pulp blast pipe with pressure gauge, front side strip of paper used for sealing
It is communicated with the pulp-inlet pipe with micro-high-pressure pump.
Fixed support base is threadedly coupled with four root posts, and fixed support upper cover plate is vertical by cover plate fixing bolt and four
Post is connected.
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 with being installed on respectively on rock sample by rubber sheet gasket, and
The sealing function of each strip of paper used for sealing and rock sample is realized by rubber sheet gasket.
The thickness of front side strip of paper used for sealing is 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, this method comprises the following steps：
Step 1：Fixed support base is placed on testing stand, then the rock sample for treating reinforcement and repair is placed on fixed support bottom
Seat centre position, four root posts are arranged on fixed support upper cover plate, it is ensured that each column bottom surface and fixed support base end face
Concordantly, the mounting and fixing bracket upper cover plate on column so that fixed support upper cover plate is covered on the rock sample for treating reinforcement and repair；
Step 2：According to the position of shear surface on the rock sample for treating reinforcement and repair, the appropriate location on each column is laterally pacified under bonding
Fill bar and be above transversely mounted bar, rock sample fixing bolt passes through down the rock sample fixing hole for being transversely mounted bar and being above transversely mounted on bar simultaneously
Push 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 are fitted together to form an entirety, by the integral installation
Paster is fixed by left side strip of paper used for sealing and right side in each correspondence position of the shear surface for the rock sample for treating reinforcement and repair, then by strip of paper used for sealing interface
Strip of paper used for sealing is connected two ends connection with the left and right ends of front side strip of paper used for sealing respectively, solid by upper provisions for grouting fixing bolt and lower provisions for grouting
Determine bolt rock sample shear surface provisions for grouting is fixed on the shear surface for the rock sample for treating reinforcement and repair, complete the grouting of rock sample shear surface
The installation of device；
Step 4：Grouting hose one end is enclosed at pulp-inlet pipe, the other end is stretched into the container for filling grouting slurries, and pulp is soft
Pipe one end is enclosed on pulp blast pipe, and the other end is stretched into the container for containing grouting waste liquid, adjusts pressure gauge, is opened micro-
Type high-pressure pump, you can carry out rock sample shear surface consolidation by grouting experiment.
Cube rock sample reinforcement and repair grouting test device and its application method that the present invention is provided, have the beneficial effect that：
1st, the control to filling speed can be realized in filling process, reaches that an optimal grouting is matched somebody with somebody by suitably adjusting
Than and flow control.
2nd, in grouting realized to the totally-enclosed of provisions for grouting, therefore the inspection to grouting pressure is realized in filling process
Survey, the grouting is matched by the later stage and method is applied to engineering practice and provides referential data.
3rd, it can solve that the problem of laboratory's consolidation by grouting is tested can not be carried out to the specific joint plane of rock at present, realize
The monitoring of grouting pressure in whole process of the test, referential data is provided for job site consolidating crack crack.
4th, each part of rock sample fixed support and rock sample shear surface provisions for grouting is detachable, simple in construction, easy to use.
5th, design hollow built in the strip of paper used for sealing of front side, passes through the grouting slurries that high pressure micro pump is pumped into filling process
Hollow part so that front side strip of paper used for sealing long grouting mouth suitable with rock sample width together with being formed on the contact surface of rock sample, to protect
Card grouting slurries, which uniformly comprehensively can pour into shear to break, changes section, it is ensured that grouting quality.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural representation of cube rock sample reinforcement and repair grouting test device of the present invention；
Fig. 2 is the support bracket fastened structural representation of rock sample of the present invention；
Fig. 3 is to be mounted with that column and upper, lower horizontal are bowed to the fixed support upper cover plate of mounting bar in rock sample fixed support of the present invention
View；
Fig. 4 be rock sample fixed support of the present invention in be mounted with column and upper, lower horizontal to the vertical view of the fixed support base of mounting bar
Figure；
Fig. 5 is the structural representation 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.
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 being engaged including adjustable for height rock sample fixed support and with rock sample shear surface, rock sample
Shear surface provisions for grouting is installed in rock sample fixed support；
In rock sample fixed support, connected between fixed support base 1 and fixed support upper cover plate 3 by four root posts 2 of surrounding,
Bar 5 is transversely mounted under respectively between the two root posts 2 of homonymy between fixed support base 1 and fixed support upper cover plate 3
Bar 6 is above transversely mounted to connect, it is each on be transversely mounted bar 6 and under be transversely mounted on bar 5 offer respectively at least one rock sample consolidate
Determine hole 9, rock sample fixing bolt 7, with treating that the rock sample 21 of reinforcement and repair is engaged, is above transversely mounted the He of bar 6 through rock sample fixing hole 9
Under be transversely mounted on each column 2 between bar 5 provisions for grouting fixing bolt 20 and lower provisions for grouting fixing bolt 23 be installed；
In rock sample shear surface provisions for grouting, front side strip of paper used for sealing 12, left side strip of paper used for sealing 13, the right side strip of paper used for sealing being engaged with each rock sample shear surface
The square body that the connection of paster 19 forms an inner hollow, hollow space are fixed by strip of paper used for sealing interface between 14 and rear side strip of paper used for sealing 15
It is engaged with rock sample 21, front side strip of paper used for sealing 12 is to have the certain thickness box body unlimited with the contact surface of rock sample 21, rear side strip of paper used for sealing 15
On be communicated with the pulp blast pipe 16 with pressure gauge 17, front side strip of paper used for sealing 12 and be communicated with the pulp-inlet pipe 10 with micro-high-pressure pump 11.
Fixed support base 1 is threadedly coupled with four root posts 2, and fixed support upper cover plate 3 passes through cover plate fixing bolt 4 and four
Root post 2 is connected.
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 by rubber sheet gasket 18 with being installed respectively
On on rock sample 22, and realize by rubber sheet gasket 18 sealing function of each strip of paper used for sealing and rock sample 22.
The thickness of front side strip of paper used for sealing 12 is 2 centimetres.
The surface of column 2 is threaded.
On be transversely mounted bar 6 and under be transversely mounted on each column 2 between bar 5 and offer the He of provisions for grouting fixing hole 8
Lower provisions for grouting fixing hole 22.
Embodiment two
A kind of method that rock sample reinforcement and repair grouting test is carried out using above-mentioned cube rock sample reinforcement and repair grouting test device,
This method comprises the following steps：
Step 1：Fixed support base 1 is placed on testing stand, then the rock sample 21 for treating reinforcement and repair is placed on fixed branch
The centre position of frame base 1, four root posts 2 is arranged on fixed support upper cover plate 3, it is ensured that each bottom surface of column 2 and fixed support
The bottom surface of base 1 is concordant, the mounting and fixing bracket upper cover plate 3 on column 2 so that fixed support upper cover plate 3, which is covered, is treating reinforcement and repair
Rock sample 21 on；
Step 2：According to the position of shear surface on the rock sample 21 for treating reinforcement and repair, the appropriate location on each column 2 is horizontal under bonding
Bar 6 is transversely mounted to mounting bar 5 and above, rock sample fixing bolt 7 passes through down the rock for being transversely mounted bar 5 and being above transversely mounted on bar 6
Sample fixing hole 9 simultaneously 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, will be described whole
Body is installed on each correspondence position of the shear surface for the rock sample 21 for treating reinforcement and repair, then fixes paster 19 by left side by strip of paper used for sealing interface
The left and right ends of strip of paper used for sealing 13 and right side strip of paper used for sealing 14 respectively with front side strip of paper used for sealing 12 are connected, by upper provisions for grouting fixing bolt 20 with
Rock sample shear surface provisions for grouting is fixed on the shear surface for the rock sample 21 for treating reinforcement and repair by provisions for grouting fixing bolt 23, completes
The installation of rock sample shear surface provisions for grouting；
Step 4：Grouting hose one end is enclosed at pulp-inlet pipe 10, the other end is stretched into the container for filling grouting slurries, by pulp
Flexible pipe one end is enclosed on pulp blast pipe 16, and the other end is stretched into the container for containing grouting waste liquid, adjusts pressure gauge 17,
Open micro-high-pressure pump 11, you can carry out rock sample shear surface consolidation by grouting experiment.
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
Progress some cycles maintenance in curing box is put into as an entirety with fixed support, after maintenance is completed, by the overall shifting
Go out curing box, remove fixed support, 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：
The rock sample shear surface provisions for grouting being engaged including adjustable for height rock sample fixed support and with rock sample shear surface, rock sample
Shear surface provisions for grouting is installed in rock sample fixed support；
In rock sample fixed support, fixed support base（1）With fixed support upper cover plate（3）Between pass through four root posts of surrounding
（2）Connection, fixed support base（1）With fixed support upper cover plate（3）Between homonymy two root posts（2）Between pass through respectively
Under be transversely mounted bar（5）Above it is transversely mounted bar（6）Connection, it is each on be transversely mounted bar（6）Bar is transversely mounted with（5）Upper difference
Offer at least one rock sample fixing hole（9）, rock sample fixing bolt（7）Through rock sample fixing hole（9）Rock with treating reinforcement and repair
Sample（21）It is engaged, is above transversely mounted bar（6）Bar is transversely mounted with（5）Between each column（2）On be provided with grouting dress
Put fixing bolt（20）With lower provisions for grouting fixing bolt（23）；
In rock sample shear surface provisions for grouting, the front side strip of paper used for sealing being engaged with each rock sample shear surface（12）, left side strip of paper used for sealing（13）, right side
Strip of paper used for sealing（14）With rear side strip of paper used for sealing（15）Between pass through strip of paper used for sealing interface fix paster（19）Connect the square of one inner hollow of formation
Body, front side strip of paper used for sealing（12）To there is certain thickness and rock sample（21）The unlimited box body of contact surface, rear side strip of paper used for sealing（15）Upper connection
There is band pressure gauge（17）Pulp blast pipe（16）, front side strip of paper used for sealing（12）On be communicated with band micro-high-pressure pump（11）Pulp-inlet pipe
（10）.
2. cube rock sample reinforcement and repair grouting test device according to claim 1, it is characterised in that：Fixed support bottom
Seat（1）With four root posts（2）Threaded connection, fixed support upper cover plate（3）Pass through cover plate fixing bolt（4）With four root posts（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）With rear side strip of paper used for sealing（15）With passing through rubber sheet gasket respectively（18）It is installed on rock sample
（22）On, and pass through rubber sheet gasket（18）Realize each strip of paper used for sealing and rock sample（22）Sealing function.
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）Thickness be 2 centimetres.
5. the cube rock sample reinforcement and repair grouting test device any one of a kind of use the claims 1-4 is carried out
The method of rock sample reinforcement and repair grouting test, it is characterised in that this method comprises the following steps：
Step 1：By fixed support base（1）It is placed on testing stand, then the rock sample that reinforcement and repair will be treated（21）Being placed on will be solid
Fixed rack base（1）Centre position, by four root posts（2）Installed in fixed support upper cover plate（3）On, it is ensured that each column（2）Bottom
Face and fixed support base（1）Bottom surface is concordant, in column（2）Upper mounting and fixing bracket upper cover plate（3）So that covered on fixed support
Plate（3）Cover and treating the rock sample of reinforcement and repair（21）On；
Step 2：According to the rock sample for treating reinforcement and repair（21）The position of upper shear surface, in each column（2）On appropriate location bond
Under be transversely mounted bar（5）Above it is transversely mounted bar（6）, rock sample fixing bolt（7）Pass through down and be transversely mounted bar（5）With upper laterally peace
Fill bar（6）On rock sample fixing hole（9）And push against rock sample（21）；
Step 3：By left side strip of paper used for sealing（13）, right side strip of paper used for sealing（14）With rear side strip of paper used for sealing（15）Fit together to form an entirety, will
The integral installation is in the rock sample for treating reinforcement and repair（21）Shear surface each correspondence position, then pass through strip of paper used for sealing interface fix paster
（19）By left side strip of paper used for sealing（13）With right side strip of paper used for sealing（14）Respectively with front side strip of paper used for sealing（12）Left and right ends connection, pass through it is upper grouting dress
Put fixing bolt（20）With lower provisions for grouting fixing bolt（23）Rock sample shear surface provisions for grouting is fixed on and treats reinforcement and repair
Rock sample（21）Shear surface on, complete rock sample shear surface provisions for grouting installation；
Step 4：Grouting hose one end is enclosed on pulp-inlet pipe（10）Place, the other end is stretched into the container for filling grouting slurries, will be gone out
Slurry flexible pipe one end is enclosed on pulp blast pipe（16）On, the other end is stretched into the container for containing grouting waste liquid, adjusts pressure
Meter（17）, open micro-high-pressure pump（11）, you can carry out rock sample shear surface consolidation by grouting experiment.
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 true CN107036908A (en) | 2017-08-11 |
| CN107036908B CN107036908B (en) | 2019-03-15 |
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ID=59535946
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 |
-
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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| Publication number | Publication date |
|---|---|
| CN107036908B (en) | 2019-03-15 |
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