CN109064866A - A kind of high severe feature physics modelling device and method of the high brittleness of high intensity - Google Patents
A kind of high severe feature physics modelling device and method of the high brittleness of high intensity Download PDFInfo
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- CN109064866A CN109064866A CN201810996457.0A CN201810996457A CN109064866A CN 109064866 A CN109064866 A CN 109064866A CN 201810996457 A CN201810996457 A CN 201810996457A CN 109064866 A CN109064866 A CN 109064866A
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- 238000000034 method Methods 0.000 title abstract description 15
- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007906 compression Methods 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000011068 loading method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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Abstract
The invention belongs to Geotechnical Engineering fields, a kind of high severe feature physics modelling device and method of the high brittleness of high intensity are disclosed, the equipment includes: upper beam, lower beam, Zola's column, right drawing column, resistance to compression cushion block, hydraulic jack, conveying, sliding support and article carrying platform；Resistance to compression cushion block is fixed on the bottom face of upper beam, between Zola's column and right drawing column；Hydraulic jack is fixed on the top end face of lower beam, and is located at immediately below resistance to compression cushion block；Conveying is fixed on lower beam, and sliding support is slidably disposed on conveying, slips into or leave force frame；Article carrying platform is shelved on sliding support, and sliding support can be followed to slide into right above hydraulic jack, be lifted upwards under the promotion of hydraulic jack, or skid off force frame.The production method specifically includes that raw material are weighed, stirred, pouring, is closely knit, demoulding and conserving.
Description
Technical field
The present invention relates to Geotechnical Engineering field, in particular to a kind of high severe feature physical model of the high brittleness of high intensity
Making apparatus and method.
Background technique
Disaster takes place frequently in the deep engineering process of construction of the fields such as water conservancy and hydropower, traffic, the energy, national defence, seriously constrains work
Cheng Jindu, personnel safety is threatened, if Jinping hydropower station maximum buried depth is about 2525m, the medium above rock burst occurs and is up to 400
Remaining time, wherein a strong rock burst on active of the November in 2009 of scupper on the 28th causes a TBM machinery to be scrapped, serious commercial is caused to damage
It loses.Therefore, carry out deep engineering disaster and breed mechanism of Evolution research, the effective generation for containing disaster, to deep engineering safety
It builds significant.
Deep rock engineering project disaster project is solved using physical experiments, can more really simulate deep engineering item
Part, more accurate simulation of excavation process, more intuitively discloses disaster preparation process and machine occurs more convenient setting influence factor
System, cost is lower, testing crew is safer.Therefore, physical experiments are to study the important means of deep engineering digging process.
But current physical model production is mainly using method that is artificial closely knit or vibrating, and artificial closely knit to easily lead to material close
Real uneven, man's activity is larger, and modelling standard is difficult to control；Vibrating method is difficult to realize the high-compactness of material, object
Reason model cannot achieve the mechanical characteristics such as high-intensitive, the high brittleness of deep hard rock.Therefore, the invention discloses high-intensitive high brittleness
High severe feature physics modelling device and method can not make the difficulty of deep hard rock physical model to solve existing method
Topic.
Summary of the invention
The present invention provides a kind of high severe feature physics modelling device and method of the high brittleness of high intensity.
In order to solve the above technical problems, the present invention provides a kind of high severe feature physics modellings of high brittleness of high intensity
Equipment, comprising: upper beam, lower beam, Zola's column, right drawing column, resistance to compression cushion block, hydraulic jack, conveying, sliding branch
Frame and article carrying platform；
The upper beam and the lower beam are oppositely arranged, and Zola's column and the right drawing column are arranged in parallel and connect
It connects between the upper beam and the lower beam, forms force frame；
The resistance to compression cushion block is fixed on the bottom face of the upper beam, is located at Zola's column and the right drawing column
Between；
The hydraulic jack is fixed on the top end face of the lower beam, and is located at immediately below the resistance to compression cushion block；
The conveying is fixed on the lower beam, and the sliding support is slidably disposed on the conveying
On, slip into or leave the force frame；
The article carrying platform is shelved on the sliding support, and the sliding support can be followed to slide into the hydraulic jack
Right above top, it is lifted upwards under the promotion of the hydraulic jack, or skid off the force frame.
Further, Zola's column includes: that the first left column, the second left column and a third left side disposed in parallel are vertical
Column；
The cross section of first left column, second left column and the third left column forms isoceles triangle
Shape；
The right drawing column includes: the first right column, the second right column and third right column disposed in parallel；
The cross section of first right column, second right column and the third right column forms isoceles triangle
Shape.
Further, it is provided with guide rod on the lower end surface of the article carrying platform, guiding is offered on the sliding support
Through-hole, the guide rod form the vertical guide frame being lifted or decline in the guide through hole.
Further, the sliding support includes: sliding block, pillar and support deckle board；
The sliding block is slidably disposed on the conveying；
The pillar is fixed on the slide block, and the support deckle board is fixed on the pillar top, the article carrying platform
It is shelved on the support deckle board；
The support deckle board central region is split into window area, passes through for the pars contractilis of the hydraulic jack, lifting or
Person falls the article carrying platform；
Wherein, the guide through hole is arranged in the main body of the support deckle board.
Further, the conveying includes: left branch guide rail and right branch guide rail；
On the left branch guide rail top end face for being fixed on the lower beam parallel with the right branch guide rail, and it is arranged on described
Hydraulic jack two sides；
The sliding block includes: left branch sliding block and right branch sliding block；The left branch sliding block is slidably arranged on the left branch guide rail,
The right branch sliding block is slidably arranged on the right branch guide rail；
The pillar includes: left pillar and right pillar；The left pillar is fixed on the left branch sliding block, the right pillar
It is fixed on the right branch sliding block, the top of the left pillar and the right pillar is fixed on the lower end surface of the support deckle board
On.
Further, the bottom end of the lower beam is provided with support leg.
Further, the equipment further include: the closely knit backing plate being resisted against on physical model top surface；
Wherein, when carrying out closely knit operation, the closely knit backing plate is withstood on the resistance to compression cushion block.
Further, the threaded hole for lifting is provided on the closely knit backing plate.
A kind of high severe feature physics model production method of the high brittleness of high intensity using the equipment, and executes following
Step:
It weighs material and pours into blender, stir evenly after-pouring into physical model；
The preliminary physical model for coagulating reality is shelved on the article carrying platform, and covers the closely knit pad on its top end face
Plate；
The physical model is moved to above the hydraulic jack, and operates the hydraulic jack for the loading
Platform jacks up, and passes through the resistance to compression cushion block dense extrusion；
Closely knit backing plate on closely knit good physical model is screwed on by the threaded hole and is taken out with small crane after suspension hook,
Then carry out demoulding maintenance.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
The high high severe feature physics modelling equipment of brittleness of high intensity provided in the embodiment of the present application, is set by opposite
The Zola's column and right drawing column of the upper beam and lower beam and connection set between the two, form force frame, as closely knit
The force frame of operation；It is correspondingly arranged at the hydraulic jack of bottom end in the top setting resistance to compression cushion block of force frame, is realized
Jack force, resistance to compression cushion block stress, intermediate closely knit physical model；To realize the closely knit operation of great dynamics of simple structure.
And be fixed on lower beam by a conveying, and sliding support is slidably disposed on conveying, it slips into
Or force frame is left, to realize that the transport of convenient and fast physical model is in place and is detached from；Sliding is shelved on especially by one
Article carrying platform on bracket, so that physical model follows the sliding support to slide into right above the hydraulic jack, in institute
It states and is lifted upwards under the promotion of hydraulic jack, or fall.To realize convenient reliable physical operations, big ruler can adapt to
It is very little, heavy weight physical model production.
Detailed description of the invention
Fig. 1 is the high severe feature physics modelling device structure signal of the high brittleness of high intensity provided in an embodiment of the present invention
Figure；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the structural schematic diagram of support deckle board provided in an embodiment of the present invention；
Fig. 5 is the D-D cross-sectional view of Fig. 4；
Fig. 6 is the structural schematic diagram of article carrying platform provided in an embodiment of the present invention；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the structural schematic diagram of closely knit backing plate provided in an embodiment of the present invention；
Fig. 9 is the E-E view of Fig. 8.
Specific embodiment
The embodiment of the present application is by providing a kind of object of the mechanical characteristics such as high-intensitive, the high brittleness that can be realized deep hard rock
Manage modelling equipment and production method.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application skill
The detailed description of art scheme, rather than the restriction to technical scheme, in the absence of conflict, the embodiment of the present application
And the technical characteristic in embodiment can be combined with each other.
Referring to figure 1, figure 2 and figure 3, a kind of high severe feature physics modelling equipment of high brittleness of high intensity, comprising: upper cross
Beam 1, lower beam 2, Zola's column, right drawing column 3, resistance to compression cushion block 4, hydraulic jack 5, conveying 7, sliding support and load
Object platform 10.
Specifically, the upper beam 1 and the lower beam 2 are oppositely arranged, Zola's column and the right drawing column 3
It is arranged in parallel and is connected between the upper beam 1 and the lower beam 2, force frame is formed, as the fulcrum vertically to exert a force.
The resistance to compression cushion block 4 is fixed on the bottom face of the upper beam 1, is located at Zola's column and right draw is stood
Between column 3, as the compression-resistant structure of vertical applied force, correspondence withstands physical model；The hydraulic jack 5 is fixed on the lower cross
On the top end face of beam 2, and it is located at immediately below the resistance to compression cushion block 4, to realize vertical force and compression-resistant structure.
The conveying 7 is fixed on the lower beam 2, and the sliding support is slidably disposed on the conveying and leads
On rail 7, the force frame is slipped into or left；It is to be used as conveying medium, physical model is defeated outside force frame
It is sent in force frame, operation preparation is completed in the surface in place for arriving hydraulic jack 5.
The article carrying platform 10 is shelved on the sliding support, and the sliding support can be followed to slide into described hydraulic thousand
Right above jin top 5, it is lifted upwards under the promotion of the hydraulic jack 5, or skid off the force frame.
Further, Zola's column includes: that the first left column, the second left column and a third left side disposed in parallel are vertical
Column；The cross section of first left column, second left column and the third left column forms isosceles triangle, thus
Realize reliable load effect.
The right drawing column 3 is identical as the structure of Zola's column, comprising: the first right column disposed in parallel, second
Right column and third right column；The cross section of first right column, second right column and the third right column
Form isosceles triangle.
Referring to fig. 4, Fig. 5, Fig. 6 and Fig. 7 are provided with guide rod 11, the sliding on the lower end surface of the article carrying platform 10
Guide through hole 13 is offered on bracket, the guide rod 11 forms vertical lifting or decline in the guide through hole 13
Guide frame.
Further, the sliding support includes: sliding block 8, pillar 9 and support deckle board 12；
The sliding block 8 is slidably disposed on the conveying 7；
The pillar 9 is fixed on the sliding block 8, and the support deckle board 12 is fixed on the pillar top, the loading
Platform 10 is shelved on the support deckle board 12；
12 central region of support deckle board opens generation window area, passes through for the pars contractilis of the hydraulic jack 5, lift
Rise or fall the article carrying platform 10；
Wherein, the guide through hole 13 is arranged in the main body of the support deckle board 12.
Specifically, in the present embodiment, the conveying 7 includes: left branch guide rail and right branch guide rail；The left branch guide rail
On the top end face for being fixed on the lower beam 2 parallel with the right branch guide rail, and it is arranged on 5 two sides of hydraulic jack；Institute
Stating sliding block 8 includes: left branch sliding block and right branch sliding block；The left branch sliding block is slidably arranged on the left branch guide rail, the right branch
Sliding block is slidably arranged on the right branch guide rail；The pillar includes: left pillar and right pillar；The left pillar is fixed on described
On left branch sliding block, the right pillar is fixed on the right branch sliding block, and the top of the left pillar and the right pillar is fixed on
On the lower end surface of the support deckle board 12.
The bottom end of the lower beam 2 is provided with support leg 6.
The equipment further include: the closely knit backing plate 14 being resisted against on physical model top surface；Wherein, closely knit operation is being carried out
When, the closely knit backing plate 14 is withstood on the resistance to compression cushion block 4.
The threaded hole 15 for lifting is provided on the closely knit backing plate 14.
A kind of high severe feature physics modelling equipment of the high brittleness of high intensity is present embodiments provided, to realize that deep is hard
The features such as rock physical model high intensity, high brittleness, high severe, the physical model for closely knit analog material.Based on analog material
Production method improves mold, stirring means, compacting process, to adapt to the production of large scale physical model.The invention solution
It has determined the production problem of deep hard rock physical model, has provided strong support for the smooth expansion of physical experiments.
When load, the pressure head of hydraulic jack 5, which moves up, rises article carrying platform 10, thus to physics placed on it
Model carries out closely knit, and when unloading, hydraulic jack 5 declines, and article carrying platform 5 follows decline, is placed in braced frame 12；Loading
Limition orientation is realized by guide rod 11 between platform 10 and support deckle board 12；
The hydraulic jack 5 is made of Manual hydraulic pump and jack, and peak load 1000kN is mainly used for applying
Loading carries；Design is simple, operation is convenient；
The conveying 7 can not be directly placed at for movable object-carrying stage 10 since moulded dimension is big, weight is big
It is loaded on article carrying platform 10, by conveying 7, large-sized model can be placed in after article carrying platform 10 easily push-in force frame
Inside loaded, it is ingenious in design.
The present embodiment also provides a kind of high severe feature physics model production method of the high brittleness of high intensity, and manufacturing process is main
It weighs, stir including raw material, pouring, is closely knit, demoulding and maintenance, production method are based primarily upon the preparation method of analog material,
But since physical model size increases, mold, stirring means, compacting process need to be improved.
The mold is designed using mutual buckle type, and assembly is stablized, and can carry biggish densification pressure, internal dead size is
500mm×500mm×250mm；
The stirring means use Large Electric formula blender, disposably stir evenly, pour in batches, and production effect can be improved
Rate and the discrete type for reducing modelling quality；
Referring to Fig. 8 and Fig. 9, the compacting process is that physical model is placed on article carrying platform 10 after material initial set,
Shelve the closely knit backing plate 14 of a thickness 30mm at the top of physical model, when stress, resistance to compression cushion block 4 is withstood on the closely knit backing plate 14,
It is closely knit to physical model progress, since moulded dimension is larger.Closely knit 14 weight of backing plate is also larger, and manpower can not take out, therefore, close
Internal screw thread 15 is designed on real backing plate 14, is taken out after screwing on suspension hook with small crane.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
A kind of high severe feature physics model production method of the high brittleness of high intensity using the equipment, and executes following
Step:
It weighs material and pours into blender, stir evenly after-pouring into physical model；
It coagulates real physical model by preliminary and is shelved on the article carrying platform 10, and cover on its top end face described closely knit
Backing plate 14；
The physical model is moved to 5 top of hydraulic jack, and operates the hydraulic jack 5 for the load
Object platform 10 jacks up, and passes through 4 dense extrusion of resistance to compression cushion block；
Small crane is used after closely knit backing plate 14 on closely knit good physical model is screwed on suspension hook by the threaded hole 15
It takes out, then carries out demoulding maintenance.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
The high high severe feature physics modelling equipment of brittleness of high intensity provided in the embodiment of the present application, is set by opposite
The Zola's column and right drawing column of the upper beam and lower beam and connection set between the two, form force frame, as closely knit
The force frame of operation；It is correspondingly arranged at the hydraulic jack of bottom end in the top setting resistance to compression cushion block of force frame, is realized
Jack force, resistance to compression cushion block stress, intermediate closely knit physical model；To realize the closely knit operation of great dynamics of simple structure.
And be fixed on lower beam by a conveying, and sliding support is set and is slidably disposed on conveying, slide into
Enter or leave force frame, to realize that the transport of convenient and fast physical model is in place and is detached from；Cunning is shelved on especially by one
Article carrying platform on dynamic bracket, so that physical model follows the sliding support to slide into right above the hydraulic jack,
It is lifted, or falls upwards under the promotion of the hydraulic jack.To realize convenient reliable physical operations, can adapt to big
Size, heavy weight physical model production.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (9)
1. a kind of high severe feature physics modelling equipment of the high brittleness of high intensity characterized by comprising upper beam, lower cross
Beam, Zola's column, right drawing column, resistance to compression cushion block, hydraulic jack, conveying, sliding support and article carrying platform；
The upper beam and the lower beam are oppositely arranged, and Zola's column and the right drawing column are arranged in parallel and are connected to
Between the upper beam and the lower beam, force frame is formed；
The resistance to compression cushion block is fixed on the bottom face of the upper beam, be located at Zola's column and the right drawing column it
Between；
The hydraulic jack is fixed on the top end face of the lower beam, and is located at immediately below the resistance to compression cushion block；
The conveying is fixed on the lower beam, and the sliding support is slidably disposed on the conveying,
Slip into or leave the force frame；
The article carrying platform is shelved on the sliding support, and the sliding support can be followed to slide into the hydraulic jack just
Top is lifted upwards under the promotion of the hydraulic jack, or skids off the force frame.
2. the high-intensitive high high severe feature physics modelling equipment of brittleness as described in claim 1, which is characterized in that described
Zola's column includes: the first left column, the second left column and third left column disposed in parallel；
The cross section of first left column, second left column and the third left column forms isosceles triangle；
The right drawing column includes: the first right column, the second right column and third right column disposed in parallel；
The cross section of first right column, second right column and the third right column forms isosceles triangle.
3. the high-intensitive high high severe feature physics modelling equipment of brittleness as described in claim 1, it is characterised in that: described
It is provided with guide rod on the lower end surface of article carrying platform, guide through hole is offered on the sliding support, the guide rod is embedded in institute
It states in guide through hole, forms the vertical guide frame being lifted or decline.
4. the high-intensitive high high severe feature physics modelling equipment of brittleness as claimed in claim 3, which is characterized in that described
Sliding support includes: sliding block, pillar and support deckle board；
The sliding block is slidably disposed on the conveying；
The pillar is fixed on the slide block, and the support deckle board is fixed on the pillar top, and the article carrying platform is shelved
On the support deckle board；
The support deckle board central region is split into window area, passes through for the pars contractilis of the hydraulic jack, is lifted or drops
Under the article carrying platform；
Wherein, the guide through hole is arranged in the main body of the support deckle board.
5. the high-intensitive high high severe feature physics modelling equipment of brittleness as claimed in claim 4, which is characterized in that described
Conveying includes: left branch guide rail and right branch guide rail；
On the left branch guide rail top end face for being fixed on the lower beam parallel with the right branch guide rail, and it is arranged on described hydraulic
Jack two sides；
The sliding block includes: left branch sliding block and right branch sliding block；The left branch sliding block is slidably arranged on the left branch guide rail, described
Right branch sliding block is slidably arranged on the right branch guide rail；
The pillar includes: left pillar and right pillar；The left pillar is fixed on the left branch sliding block, and the right pillar is fixed
On the right branch sliding block, the top of the left pillar and the right pillar is fixed on the lower end surface of the support deckle board.
6. the high-intensitive high high severe feature physics modelling equipment of brittleness as claimed in claim 5, it is characterised in that: described
The bottom end of lower beam is provided with support leg.
7. the high-intensitive high high severe feature physics modelling equipment of brittleness as claimed in claim 6, which is characterized in that described
Equipment further include: the closely knit backing plate being resisted against on physical model top surface；
Wherein, when carrying out closely knit operation, the closely knit backing plate is withstood on the resistance to compression cushion block.
8. the high-intensitive high high severe feature physics modelling equipment of brittleness as claimed in claim 7, it is characterised in that: described
The threaded hole for lifting is provided on closely knit backing plate.
9. a kind of high severe feature physics model production method of the high brittleness of high intensity, using equipment as claimed in claim 8, and
Execute following steps:
It weighs material and pours into blender, stir evenly after-pouring into physical model；
Physical model after initial set is shelved on the article carrying platform, and covers the closely knit backing plate on its top end face；
The physical model is moved to above the hydraulic jack, and operates the hydraulic jack for the article carrying platform
It jacks up, and passes through the resistance to compression cushion block dense extrusion；
Closely knit backing plate on closely knit good physical model is screwed on by the threaded hole and is taken out with small crane after suspension hook, then
Carry out demoulding maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996457.0A CN109064866A (en) | 2018-08-29 | 2018-08-29 | A kind of high severe feature physics modelling device and method of the high brittleness of high intensity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996457.0A CN109064866A (en) | 2018-08-29 | 2018-08-29 | A kind of high severe feature physics modelling device and method of the high brittleness of high intensity |
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| CN109064866A true CN109064866A (en) | 2018-12-21 |
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| CN106124268A (en) * | 2016-07-03 | 2016-11-16 | 湖南科技大学 | Similarity simulation experiment test block prepressing device and the method making experiment test block with it |
| CN107814546A (en) * | 2017-10-19 | 2018-03-20 | 中国科学院武汉岩土力学研究所 | High severe analog material of the deep high fragility of hard rock high intensity and preparation method thereof |
| CN108088751A (en) * | 2018-02-02 | 2018-05-29 | 东北大学 | A kind of large-scale three dimensional physical experiments high rigidity prestressing force loading frame structure |
-
2018
- 2018-08-29 CN CN201810996457.0A patent/CN109064866A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201397262Y (en) * | 2009-05-09 | 2010-02-03 | 袁中夏 | Earthwork sample preparing instrument |
| CN102620969A (en) * | 2012-04-10 | 2012-08-01 | 中交上海三航科学研究院有限公司 | Device and method for preparing test soil body by blocks |
| CN105784450A (en) * | 2016-05-17 | 2016-07-20 | 重庆大学 | Manufacturing device and method for test pieces for coal rock engineering simulation experiment |
| CN106124268A (en) * | 2016-07-03 | 2016-11-16 | 湖南科技大学 | Similarity simulation experiment test block prepressing device and the method making experiment test block with it |
| CN107814546A (en) * | 2017-10-19 | 2018-03-20 | 中国科学院武汉岩土力学研究所 | High severe analog material of the deep high fragility of hard rock high intensity and preparation method thereof |
| CN108088751A (en) * | 2018-02-02 | 2018-05-29 | 东北大学 | A kind of large-scale three dimensional physical experiments high rigidity prestressing force loading frame structure |
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Address after: 110819 No. 11 Lane 3, Cultural District, Heping District, Shenyang, Liaoning Applicant after: Northeastern University Applicant after: INSTITUTE OF ROCK AND SOIL MECHANICS, CHINESE ACADEMY OF SCIENCES Address before: 430071 small Hongshan 2, fruit lake street, Wuchang District, Wuhan, Hubei. Applicant before: INSTITUTE OF ROCK AND SOIL MECHANICS, CHINESE ACADEMY OF SCIENCES Applicant before: Northeastern University |
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Application publication date: 20181221 |