CN107907393A - A kind of mould for being used to make rock-like materials - Google Patents
A kind of mould for being used to make rock-like materials Download PDFInfo
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- CN107907393A CN107907393A CN201711133487.0A CN201711133487A CN107907393A CN 107907393 A CN107907393 A CN 107907393A CN 201711133487 A CN201711133487 A CN 201711133487A CN 107907393 A CN107907393 A CN 107907393A
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- gap
- steel cylinder
- turntable
- convex closure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of mould for being used to make rock-like materials, including base（1）, two steel cylinder halfbodies（2）, two steel cylinder halfbodies（2）The groove convex closure of side wall（21）Interior bottom circular wall from 0 ° to 180 ° in the range of by every difference 15 ° be uniformly carved with 12 gaps（22）, two steel cylinder halfbodies（2）Close up and be placed on base（1）On, there is a turntable gap on turntable（41）, turntable gap（41）With a gap in groove convex closure（22）Alignment, manganese steel piece（5）By groove convex closure gap（21）With turntable gap（41）It is inserted into dies cavity and forms test specimen crack, two hose clamps（3）Fasten two steel cylinder halfbodies（2）Upper and lower ends；Draw point（7）From stalloy hole（61）Stretch into mould, the aperture of one section of thin reeve manganese steel piece of draw point hypomere（51）It is interior.It is an advantage of the invention that：The rocks standard specimen in multi-angle crack can be made, moreover it is possible to make the water-guiding hole for permeability test.
Description
Technical field
The invention belongs to technical field of experiment equipment, and in particular to a kind of rock-like materials simulate crack rock standard specimen
Mould, rock mass standard specimen is used for research to performances of rock.
Background technology
Rock mass preservation in the complicated geological environment being made of stress field, seepage field, Temperature Field and chemical fields etc., these
Environment is interacted under the action of the disturbing factors such as nature, human engineering, restricted, and the rock mass moment is in by these environment structures
Into dynamic equilibrium system in, and dynamic deformation, damage and failure and its stability of rock mass under these circumstances are many engineerings
Subject（Mining engineering, Tunnel Engineering, hydraulic and hydroelectric engineering, slope project, oil exploitation and thermal energy exploitation etc.）What is faced is common
Problem.Numerous studies show：The unstability of rock mass and destruction are all finally to pass through internal defects（Such as hole, crackle, joint）
Opening, closure and extension and the perforation slide surface that produces caused by.
Precrack method is used with rock-like materials, simulates architectural feature, environmental effect and the engineering effect of crack rock
Mechanical model, probes into deformation, destructive process and the mechanism of rock mass, is a kind of basic and effective method for studying problems.
What is generally used at present has wood mould and three to open steel mold.When studying the Single Fracture rock mass of different occurrences, due to
Each mould can only simulate a kind of fixed angle crack, therefore be unfavorable for reusing in different tests, and cost is higher.When
When studying the permeability of rock mass, since complete sample infiltration coefficient is relatively low, once the crack of perforation upper and lower surface cannot be formed, will
The Penetration Signature of crack rock can not accurately be measured.
Chinese patent literature CN103196717A discloses one kind on July 10th, 2013, and to be accurately positioned packed type prefabricated
The rocks sample mould in crack, the mould include base, side plate, partition plate, fixture, stud and nut bolt, and side plate is set
There are 2, connected respectively between the front and rear sides of base, 2 side plates by stud, the inner side of side plate is equipped with spill
Tongue-and-groove, partition plate are equipped with 3, between 3 partition plates are connected to 2 side plates by spill tongue-and-groove respectively, are respectively equipped with each side plate
2 round tooth colyliform hole slots, respectively between two adjacent partition plates, fixture is respectively provided at each round tooth colyliform hole slot
In round tooth colyliform hole slot.Although the patent solves the crack angle variation of making, but still be not suitable for research difference and answer
Crack rock Penetration Signature under power state and different hydraulic pressure, and rock test rig is more using diameter 50mm, the cylinder of height 100mm
Shape standard specimen, the square test specimen that square dies are cast used by the patent, is not suitable for most of three axis rock test rigs
Test.
The content of the invention
In view of the problems of the existing technology, the technical problems to be solved by the invention are just to provide a kind of for making class
The mould of rock material, it can make the rocks test specimen in multi-angle crack, moreover it is possible to make and be used to study crack rock infiltration
The rocks test specimen of property.
The technical problems to be solved by the invention are that technical solution in this way is realized, it includes base, two steel
Cylinder halfbody and hose clamp, is correspondingly arranged on outstanding groove convex closure, the interior bottom of groove convex closure on the side wall of two steel cylinder halfbodies
Circular wall from 0 ° to 180 ° in the range of by every difference 15 ° be uniformly carved with 12 gaps, two steel cylinder halfbodies, which close up, is placed on base
On, groove convex closure is embedded with the turntable of prefabricated crack, there is a turntable gap, turntable gap and one in groove convex closure on turntable
Bar gap is aligned, and manganese steel piece is inserted into by groove convex closure gap and turntable gap, and from the turntable gap of steel cylinder halfbody opposite side
It is pierced by with groove convex closure gap, manganese steel piece is used to form test specimen crack, two hose clamp clampings, two steel cylinder halfbody upper and lower ends.
Further, the top margin of two steel cylinder halfbodies is provided with opposite square groove, and stalloy is fixed on two steel cylinder halfbodies
In square groove, the draw point that one epimere is thick, hypomere is thin is stretched into mould from stalloy hole, and manganese steel piece is additionally provided with aperture, on draw point
Thick one section of section is stuck in outside stalloy hole, in the aperture of one section of thin reeve manganese steel piece of draw point hypomere.
The solution have the advantages that：
Since bottom circular wall is uniformly carved with 12 gaps in groove convex closure, which positions for the manganese steel piece of insertion mould, different
Groove convex closure gap there is different orientation angles, the multi-angle crack of test specimen is consequently formed, so the present invention can make
The rocks cylindrical standard test specimen in multi-angle crack；
Since draw point is connected to manganese steel on piece from top to bottom, is formed to pass to crack and directly can reach hydraulic pressure in test specimen and split
The water-guiding hole of gap, can be used in the Penetration Signature of accurately test crack rock test specimen, easy to study crack rock in different stress
The extension of permeance property and crack under different hydraulic pressure and different stress under state..
Brief description of the drawings
The brief description of the drawings of the present invention is as follows：
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structural decomposition diagram of the present invention.
In figure：1. base；2. steel cylinder halfbody；21. groove convex closure；22. gap；23. square groove；3. hose clamp；4.
Turntable；41. turntable gap；5. manganese steel piece；51. aperture；6. stalloy；61. stalloy hole；7. draw point.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As depicted in figs. 1 and 2, the present invention includes 1, two steel cylinder halfbody 2 of base and hose clamp 3, on the side wall of two steel cylinder halfbodies 2
Be correspondingly arranged on outstanding groove convex closure 21, the interior bottom circular wall of groove convex closure 21 from 0 ° to 180 ° in the range of press every phase
Poor 15 ° are uniformly carved with 12 gaps 22, and two steel cylinder halfbodies 2, which close up, to be placed on base 1, and groove convex closure 21 is embedded with prefabricated crack
Turntable 4, have a turntable gap 41 on turntable, turntable gap 41 is aligned with a gap 22 in groove convex closure, manganese steel piece 5
It is inserted into by groove convex closure gap 21 and turntable gap 41, and is stitched from the turntable gap 41 of steel cylinder halfbody opposite side and groove convex closure
Gap 21 is pierced by, and manganese steel piece is used to form test specimen crack, two 3 clampings of hose clamp, two 2 upper and lower ends of steel cylinder halfbody.
The top margin of two steel cylinder halfbodies 2 is provided with opposite square groove 23, and stalloy 6 is fixed on the square of two steel cylinder halfbodies
The draw point 7 that in groove 23, one epimere is thick, hypomere is thin is stretched into mould from stalloy hole 61, and manganese steel piece 5 is additionally provided with aperture 51, steel
Thick one section of 7 epimere of pin is stuck in outside stalloy hole 61, in the aperture 51 of one section of thin reeve manganese steel piece of draw point hypomere.
The rubber strip of waterstop sealing, the bottom of described two steel cylinder halfbodies 2 and base are useful in the groove of the base 1
1 contact position is useful for the rubber membrane of waterstop sealing.
The length in turntable crack 41, width are consistent with groove convex closure gap 21, and crack length is 10mm, width
It is 0.3mm.5 thickness of manganese steel piece is 0.3mm, and 21 width of groove convex closure gap may be slightly larger than 0.3mm, is inserted into easy to manganese steel piece,
Manganese steel piece 5 has enough rigidity, to ensure that the rock-like materials with some strength and quality do not make manganese steel piece deform,
It is same to be conducive to be easy to extract out manganese steel piece in form removal.
When experiment is related to seepage flow, stalloy 6 is embedded in the square groove 23 of 2 upper end both sides of steel cylinder halfbody, and by draw point 7
The insertion out of steel sheet hole 61 of thinner one end is put in mould inside to the aperture 51 of manganese steel piece, at this time thicker one end of draw point 7
61 top of steel sheet hole can be stuck in, the diameter that draw point 7 is stretched into mould is not more than 0.5mm.The draw point 7 is used to make through pre-
The water-guiding hole in crack processed, is not easy to obtain accurate Penetration Signature when solving to carry out permeability test using complete sample and use is upper and lower
Perforation crack is unfavorable for reflecting that rock mass produces the contradiction between the physical aspect and water guide characteristic in crack under different stress.
The process of the test specimen of rocks containing crack is made using invention is：
1st, assemble：Two steel cylinder halfbody alignments are closed up and are placed on base, while make base upper end small diameter disk border
In the groove of embedded steel cylinder halfbody lower end, crack angle selection turntable is installed on the corresponding of groove convex closure gap in the process
Position, with the hose clamps of steel cylinder halfbody upper and lower ends by total clamping after angle Selection is good；
2nd, pour：With releasing agent or oil lubricating mould inside, with conveniently stripped, and it is smooth to be conducive to surface of test piece after demoulding；
The rock-like materials prepared according to a certain ratio are poured into below mould to crack, are inserted into manganese steel piece after vibration compacting from crack；
If experiment is related to seepage flow, it is necessary to by the square groove of the steel thin slice insertion steel cylinder halfbody both sides of fixed draw point, draw point is inserted into.With
Rock-like materials fill up mould.
3rd, vibrate：The mould installed is placed on small vibrating platform, time of vibration is determined according to the property of rock-like materials,
Test specimen time of vibration in same experiment is consistent；
4th, form removal：Striking time is regarding the decision of rock-like materials property, such as 425 portland cements；Water：Quartz sand=1:0.8:0.35
Rock-like materials suggest 24 it is small when after form removal；
5th, conserve：Curing condition and time equally regard rock-like materials property and determine, the rock-like materials matched described in step 4
It is recommended that room temperature conserves 21 days after curing time is supported 7 days for water.
Claims (3)
1. a kind of mould for being used to make rock-like materials, it is characterized in that：Including base（1）, two steel cylinder halfbodies（2）And hose clamp
（3）, two steel cylinder halfbodies（2）Side wall on be correspondingly arranged on outstanding groove convex closure（21）, groove convex closure（21）It is interior
Bottom circular wall from 0 ° to 180 ° in the range of by every difference 15 ° be uniformly carved with 12 gaps（22）, two steel cylinder halfbodies（2）Close up
It is placed on base（1）On, groove convex closure（21）It is embedded with the turntable of prefabricated crack（4）, have a turntable gap on turntable（41）, turn
Disk gap（41）With a gap in groove convex closure（22）Alignment, manganese steel piece（5）By groove convex closure gap（21）Stitched with turntable
Gap（41）Insertion, and from the turntable gap of steel cylinder halfbody opposite side（41）With groove convex closure gap（21）In be pierced by, manganese steel piece
For forming test specimen crack, two hose clamps（3）Two steel cylinder halfbodies of clamping（2）Upper and lower ends.
2. the mould according to claim 1 for being used to make rock-like materials, it is characterized in that：Two steel cylinder halfbodies（2）'s
Top margin is provided with opposite square groove（23）, stalloy（6）It is fixed on the square groove of two steel cylinder halfbodies（23）It is interior, an epimere
Slightly, the thin draw point of hypomere（7）From stalloy hole（61）Stretch into mould, manganese steel piece（5）It is additionally provided with aperture（51）, draw point（7）On
Thick one section of section is stuck in stalloy hole（61）Outside, the aperture of one section of thin reeve manganese steel piece of draw point hypomere（51）It is interior.
3. the mould according to claim 1 or 2 for being used to make rock-like materials, it is characterized in that：The base（1）It is recessed
The rubber strip of waterstop sealing, described two steel cylinder halfbodies are useful in groove（2）Bottom and base（1）Contact position is useful for sealing
The rubber membrane of sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711133487.0A CN107907393A (en) | 2017-11-16 | 2017-11-16 | A kind of mould for being used to make rock-like materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711133487.0A CN107907393A (en) | 2017-11-16 | 2017-11-16 | A kind of mould for being used to make rock-like materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107907393A true CN107907393A (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711133487.0A Pending CN107907393A (en) | 2017-11-16 | 2017-11-16 | A kind of mould for being used to make rock-like materials |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085035A (en) * | 2018-08-27 | 2018-12-25 | 滨州学院 | The production method of the test specimen of rocks containing prefabricated crack |
| CN110082186A (en) * | 2019-05-30 | 2019-08-02 | 南京林业大学 | A kind of sample producing device and production method for unconfined compression test |
| CN110376039A (en) * | 2019-08-05 | 2019-10-25 | 长沙理工大学 | A kind of standard class rock sample prefabricated crack producing device and production method |
| CN111157307A (en) * | 2019-12-30 | 2020-05-15 | 扬州大学 | Method for manufacturing self-repairing cement-based material test piece cracks |
| CN113281142A (en) * | 2021-05-24 | 2021-08-20 | 东北大学 | Deep rock similar material true triaxial sample manufacturing mold and forming method |
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| CN102053036A (en) * | 2010-11-12 | 2011-05-11 | 中国水利水电科学研究院 | Experimental design method and device for simulating high-pressure water fracturing of concrete member in tension/compression state |
| CN103076270A (en) * | 2013-01-29 | 2013-05-01 | 大连海事大学 | Toroidal fissured rock sample, MHC coupled seepage experimental device of sample and use method of device |
| CN103196717A (en) * | 2013-03-07 | 2013-07-10 | 同济大学 | Rock-similar sample mold capable of accurately positioning filling-type prefabricated cracks |
| US20130247693A1 (en) * | 2011-09-28 | 2013-09-26 | Hydrochina Huadong Engineering Corporation | Method for Sampling Jointed Rock Mass |
| CN203587418U (en) * | 2013-12-09 | 2014-05-07 | 东北石油大学 | Crack maker for shearing rock core |
| CN104327472A (en) * | 2014-10-17 | 2015-02-04 | 河海大学 | Manufacturing method of rock-internal-crack-simulated expansion transparent material |
| CN205120455U (en) * | 2015-11-03 | 2016-03-30 | 中国建筑股份有限公司 | Preset mould of rock class brittle material test piece that runs through crack |
| CN106769301A (en) * | 2016-12-13 | 2017-05-31 | 西南石油大学 | A kind of method that utilization mud cake simulates mud shale microcrack |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053036A (en) * | 2010-11-12 | 2011-05-11 | 中国水利水电科学研究院 | Experimental design method and device for simulating high-pressure water fracturing of concrete member in tension/compression state |
| US20130247693A1 (en) * | 2011-09-28 | 2013-09-26 | Hydrochina Huadong Engineering Corporation | Method for Sampling Jointed Rock Mass |
| CN103076270A (en) * | 2013-01-29 | 2013-05-01 | 大连海事大学 | Toroidal fissured rock sample, MHC coupled seepage experimental device of sample and use method of device |
| CN103196717A (en) * | 2013-03-07 | 2013-07-10 | 同济大学 | Rock-similar sample mold capable of accurately positioning filling-type prefabricated cracks |
| CN203587418U (en) * | 2013-12-09 | 2014-05-07 | 东北石油大学 | Crack maker for shearing rock core |
| CN104327472A (en) * | 2014-10-17 | 2015-02-04 | 河海大学 | Manufacturing method of rock-internal-crack-simulated expansion transparent material |
| CN205120455U (en) * | 2015-11-03 | 2016-03-30 | 中国建筑股份有限公司 | Preset mould of rock class brittle material test piece that runs through crack |
| CN106769301A (en) * | 2016-12-13 | 2017-05-31 | 西南石油大学 | A kind of method that utilization mud cake simulates mud shale microcrack |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085035A (en) * | 2018-08-27 | 2018-12-25 | 滨州学院 | The production method of the test specimen of rocks containing prefabricated crack |
| CN110082186A (en) * | 2019-05-30 | 2019-08-02 | 南京林业大学 | A kind of sample producing device and production method for unconfined compression test |
| CN110376039A (en) * | 2019-08-05 | 2019-10-25 | 长沙理工大学 | A kind of standard class rock sample prefabricated crack producing device and production method |
| CN110376039B (en) * | 2019-08-05 | 2024-02-02 | 长沙理工大学 | Device and method for manufacturing prefabricated cracks of standard rock-like sample |
| CN111157307A (en) * | 2019-12-30 | 2020-05-15 | 扬州大学 | Method for manufacturing self-repairing cement-based material test piece cracks |
| CN113281142A (en) * | 2021-05-24 | 2021-08-20 | 东北大学 | Deep rock similar material true triaxial sample manufacturing mold and forming method |
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Application publication date: 20180413 |
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