CN105424435B - A kind of method for making three-dimensional joint fissure cylindrical type rock sample - Google Patents
A kind of method for making three-dimensional joint fissure cylindrical type rock sample Download PDFInfo
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- CN105424435B CN105424435B CN201510814787.XA CN201510814787A CN105424435B CN 105424435 B CN105424435 B CN 105424435B CN 201510814787 A CN201510814787 A CN 201510814787A CN 105424435 B CN105424435 B CN 105424435B
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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
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Abstract
The invention discloses a kind of method for making three-dimensional joint fissure cylindrical type rock sample, comprise the following steps：The engineering rock mass that need to be tested is sampled, the irregular rock that engineering site is obtained, cut growth cube shape rule sillar；Joint fissure is cut on rectangular-shape rule sillar using high-pressure water knife；Coring is covered on the rectangular-shape rule sillar containing joint fissure using vertical rock corning machine；Core end face is polished smooth using Double End rock stone mill.Method of the making of the present invention for the true rock material cylindrical type standard specimen containing joint fissure of indoor triaxial test, easy to operate, practical, joint fissure accurate positioning, can be commonly used to the preparation of the rock sample containing joint fissure.
Description
Technical field
The present invention relates to rock engineering field, specially a kind of side for making three-dimensional joint fissure cylindrical type rock sample
Method.
Background technology
In Geotechnical Engineering field, rock containing joint fissure is the various rock works such as mine, water conservancy, oil, nuclear waste srorage
A kind of complex dielectrics frequently encountered in journey.A large amount of engineering practices show, the unstable failure of rock engineering, are often as inside
Opening, crack initiation, extension and the insertion in crack and produce caused by new shearing slip face.It is strong to rock to study fractured zones
The influence and crackle crack initiation of the mechanics parameters such as degree deformation, extension and coalescence mode have important theory value and practice significance.
Using the method for indoor model investigation of materials rift crack rock, although can preferably reflect the property of rock material
Matter, but because authentic material has a significant anisotropism, mineral grain, boundary effect and the different influence of degree of consolidation etc.
Factor is difficult to really embody in rock fragile materials, therefore prefabricated discontinuously distribution crack is tried in true rock material
Research is tested as a kind of indispensable method of discussion intermittent joints rock-mechanics property and crack propagation process.But at present
On containing being fabricated to restrict a difficulty of joint fissure rock mechanics experiment research and development through type joint fissure rock sample
Point.The present Research of related crack preparation method is as follows both at home and abroad at present：
1、《Prepare the mould for presetting the high brittle transparent rock-like materials test specimen of three-dimensional fracture》Patent describes one kind and buried
Enter the method (referring to patent No. CN203680625U, inventor Zhu Weishen, etc.) of the prefabricated built-in crack of method of mica sheet, the party
Method is applied to the scale model materials such as cement mortar, is not suitable for true rock material.
2、《A kind of preparation method of the rock-like materials test specimen containing random Multiple Cracking Body》Patent describes one kind in cement
Before mortar initial set, crack distribution drawing is laid in cement mortar surface, crackle on drawing is pierced through with different length sheet metal
Line segment, cement mortar is inserted perpendicularly into, is extracted after maintenance and sheet metal is extracted into the method for prefabricated crack (referring to application number
201110401994.4, inventor Zhao Yan woodss, etc.), this method is applied to the scale model materials such as cement mortar, is not suitable for true
Real rock material.
3、《A kind of preparation method of random fissure rock sample》Patent describes one kind and is embedded in cement mortar material
The method (referring to the patent No. 201410052815.4, inventor Yang Wen east, etc.) in the prefabricated random crack of tin bar, this method is applied to
The scale model material such as cement mortar, is not suitable for true rock material.
4、《The experimental research and numerical simulation of three-dimensional Single Fracture expansion process in rock》One text describes a kind of non-full
With in resin material in advance the method simulation three-dimensional built-in crack of embedment scale copper method (referring to《Coal journal》2013
3 phases, author Fu Jinwei, etc.), this method is applied to the scale model materials such as cement mortar, is not suitable for true rock material, and
And copper sheet has certain intensity and hardness, it is impossible to real simulation crack.
5、《Influence of the three-dimensional built-in crack dip to rock-like materials tensile mechanical properties and fracture characteristic》One text is introduced
Be embedded in a kind of rocks sample poly- cruel diaphragm make three-dimensional built-in crack method (referring to《Rock mechanics and engineering
Report》2nd phase in 2009, author Li Shucai, etc.), this method is applied to the scale model materials such as cement mortar, and gathers cruel film
Piece has certain hardness, can not effectively make more crack rock samples
6、《Containing three-dimensional preset single crack defect rock failure mechanism of rock experimental study》One text describes one kind and tries full cylinder
Sample, which is divided equally, to be cut and polishes, and prefabricated crack is made with ultrasonic drill, with two panels high-performance viscose that two parts sample is accurate afterwards
Method that ground is bonded together make built-in crack (referring to《Chinese Journal of Rock Mechanics and Engineering》2 phases of increasing in 2008, author Lin Peng,
Deng), rock sample is divided into two parts to cohere again by this method, destroys the globality of rock sample, and the influence of adhesive is difficult to
Eliminate.
7、《Experimental investigation on strength and failure behavior of
pre-cracked marble under conventional triaxial compression》One kind is described in one text to adopt
Rock sample is cut with high speed electric cutting machine, and the prefabricated closure crack of the method for filling in crack weak gypsum material (referring to
《International Journal of Solids and Structures》17 phases in 2008, author Yang S Q etc.), should
Method is internally cut from rock sample surface, can not be cut in rock interior and be made intermittent joints.
8、《Stress-current-chemical coupling effect experimental study of fissure rock》One text describes one kind and first processes cylinder
The mould of shape, then using bit bore, finally with fret saw put in aperture along precrack on mould otch back and forth
Dragsaw complete precrack preparation method (referring to《Chinese Journal of Rock Mechanics and Engineering》4 phases in 2008, author Lu Zude, etc.),
The circular hole more than Fracture Width is had among the crack of this method processing, the influence of circular hole is difficult to eliminate, and fret saw is back and forth
Cutting is difficult to ensure that the smoothness in crack.
9、《Experimental Study on the Shear Strength of Sandy Clay Infilled
Regular Rough Rock Joints》A kind of first processing is described in one text and contains different waviness moulds, pours two pieces respectively
Rock sample, then be bonded together using binding material the prefabricated joint of method (referring to《Rock Mechanics and Rock
Engineering》3rd phase in 2015, author Jahanian H, etc.), this method is applied to the scale model materials such as cement mortar
Material, is not suitable for true rock material, and the influence of adhesive is difficult to eliminate.
The content of the invention
For being difficult at present containing prefabricated centre through the true rock material sample of type three-dimensional joint fissure cylindrical type
Problem, it is easy to operate the purpose of the present invention is to propose to a kind of method for making three-dimensional joint fissure cylindrical type rock sample, and
The true rock sample of the joint fissure cylindrical type of three-dimensional containing various geometric can be flexibly made as needed.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of method for making three-dimensional joint fissure cylindrical type rock sample, comprises the following steps：
(1) engineering rock mass that need to be tested is sampled, the irregular rock that engineering site is obtained, cut growth cube
Shape rule sillar；
(2) joint fissure is cut on rectangular-shape rule sillar using high-pressure water knife；
(3) coring is covered on the rectangular-shape rule sillar containing joint fissure using vertical rock corning machine；
(4) core end face is polished smooth using Double End rock stone mill.
Further, the thickness of described rectangular-shape rule sillar is more than the diameter of final core.
Further, the depth of cut of described high-pressure water knife cutting rock is more than the diameter of the core finally given.
Further, the joint fissure is interrupted or penetrated.
Further, joint fissure face filler.
Further, the joint fissure includes Single Fracture, the double cracks of parallel distribution, three cracks of parallel distribution and insertion
Type joint.
The beneficial effects of the invention are as follows：Containing joint fissure true rock material of the making of the present invention for indoor triaxial test
The method of cylindrical type standard specimen, easy to operate, practical, joint fissure accurate positioning, it can be commonly used to contain joint fissure
The preparation of rock sample.By actual test, method proposed by the present invention can prepare the joint fissure rock sample for meeting test requirements document,
The problem of real simulation rock material is difficult to using cast materials such as cement mortar at present is can solve the problem that, is split for studying containing joint
Strength and deformation feature and Crack Extension the insertion mechanism of the true rock material of gap have important realistic meaning.The present invention neatly will
High-pressure water knife cutting technique applies to the making of the true rock rock sample of three-dimensional joint fissure, and rock sample manufacturing process is simple and efficient, and
And can be produced according to experiment demand and run through type three-dimensional joint fissure Standard rock sample containing various geometric, so as to carry out phase
The indoor triaxial test answered.The technical scheme has the characteristics that compared with prior art：
1) technical method of the invention can apply on true rock process three-dimensional joint fissure；
2) technical method of the invention can make rock sample interior three-dimensional joint fissure；
3) present invention can produce the joint fissure of various labyrinths, be automatically controlled by a computer, and obtain accurate
Joint fissure, so as to obtain more rational result of the test.
Brief description of the drawings
Fig. 1 is the schematic diagram for the rectangular-shape rule sillar that cutting obtains；
Fig. 2 is that cutting obtains the schematic diagram of joint fissure in rectangular-shape rule sillar；
Fig. 3 is the schematic diagram that coring is covered in the rectangular-shape rule sillar containing joint fissure；
Fig. 4 is containing the schematic diagram through type joint fissure rock sample.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Embodiment 1
By taking the granite for being derived from certain engineering site as an example, introduce and a kind of make three-dimensional joint fissure cylindrical type rock sample
Method, comprise the following steps：
A. the engineering rock mass that need to be tested is sampled first, the irregular rock that engineering site is obtained, cut growth
Cube shape rule sillar.The cuboid rule granite stone processed is as shown in figure 1, the width L of wherein sample is about
200mm, height H are about 85mm, and thickness W is about 50mm；
B. the rectangular-shape rule sillar processed is placed on " reaching forever " board high-pressure water knife cutting machine, according to the several of design
What parameter is cut out through type joint fissure.Containing for well cutting runs through type joint fissure cuboid rule granite stone such as Fig. 2
It is shown, wherein respectively Single Fracture 1, the double cracks 2 of parallel distribution, three cracks 3 of parallel distribution and through joint 4；
C. containing for well cutting is placed in the vertical rock of " ZS-100 " type through type joint fissure cuboid rule granite stone
On stone corning machine, set, which takes out to contain, runs through type joint fissure cylinder I type granite sample.Extract to contain and run through type joint fissure cylindrical type
Granite sample is as shown in figure 3, core diameter 38mm, be highly 85mm wherein；
D. will extract contain through type joint fissure cylinder I type granite sample be placed in " SHM-200 " type Double End rock grind
On stone machine, the both ends of core are polished smooth.End face polish smooth after containing running through type joint fissure cylinder I type granite sample
As shown in figure 4, wherein, core diameter 38mm, highly it should be greater than finally for 76mm rectangular-shape rule sillar thickness (50mm)
The diameter (38mm) of core.
High-pressure water knife can cut rock, and depth of cut (50mm) should be greater than the diameter (38mm) of final core.
Wherein, the joint fissure that step b is obtained can be interrupted or insertion, can not filling material in joint fissure face
Material, can also fill the weak material such as mica, gypsum.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
- A kind of 1. method for making three-dimensional joint fissure cylindrical type rock sample, it is characterised in that：Comprise the following steps：（1）The engineering rock mass that need to be tested is sampled, the irregular rock that engineering site is obtained, cut growth cube shape rule Then sillar；（2）Joint fissure is cut on rectangular-shape rule sillar using high-pressure water knife；The cutting of high-pressure water knife cutting rock is deep Degree is more than the diameter of the core finally given；（3）Coring is covered on the rectangular-shape rule sillar containing joint fissure using vertical rock corning machine；（4）Core end face is polished smooth using Double End rock stone mill.
- 2. the method for three-dimensional joint fissure cylindrical type rock sample is made as claimed in claim 1, it is characterised in that：Described The thickness of rectangular-shape rule sillar is more than the diameter of final core.
- 3. the method for three-dimensional joint fissure cylindrical type rock sample is made as claimed in claim 1, it is characterised in that：The section Reason crack is interrupted or insertion.
- 4. the method for three-dimensional joint fissure cylindrical type rock sample is made as claimed in claim 1, it is characterised in that：The section Manage fissure-plane filler.
- 5. the method for three-dimensional joint fissure cylindrical type rock sample is made as claimed in claim 4, it is characterised in that：The section The material for managing fissure-plane filling is mica or gypsum.
- 6. the method for three-dimensional joint fissure cylindrical type rock sample is made as claimed in claim 1, it is characterised in that：The section Managing crack includes Single Fracture, the double cracks of parallel distribution, three cracks of parallel distribution or through joint.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814787.XA CN105424435B (en) | 2015-11-20 | 2015-11-20 | A kind of method for making three-dimensional joint fissure cylindrical type rock sample |
| PCT/CN2016/097509 WO2017084406A1 (en) | 2015-11-20 | 2016-08-31 | Method for fabricating three-dimensional joint-fissure cylindrical rock specimen |
| ZA2018/00237A ZA201800237B (en) | 2015-11-20 | 2018-01-12 | Method for fabricating three-dimensional joint-fissure cylindrical rock specimen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814787.XA CN105424435B (en) | 2015-11-20 | 2015-11-20 | A kind of method for making three-dimensional joint fissure cylindrical type rock sample |
Publications (2)
| Publication Number | Publication Date |
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| CN105424435A CN105424435A (en) | 2016-03-23 |
| CN105424435B true CN105424435B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510814787.XA Active CN105424435B (en) | 2015-11-20 | 2015-11-20 | A kind of method for making three-dimensional joint fissure cylindrical type rock sample |
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| Country | Link |
|---|---|
| CN (1) | CN105424435B (en) |
| WO (1) | WO2017084406A1 (en) |
| ZA (1) | ZA201800237B (en) |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000010443A (en) * | 1998-07-31 | 2000-02-15 | 김윤규, 정주영, 심옥진, 정몽헌 | Rock piece shear supporting device |
| CN104515696A (en) * | 2014-12-09 | 2015-04-15 | 河海大学 | Method for preparation of columnar jointed rock mass similar material sample by 3D printing technology |
| CN104596790A (en) * | 2015-01-09 | 2015-05-06 | 山东科技大学 | Dry core-taking device and core-taking method for soft rock |
| CN104655466A (en) * | 2015-02-13 | 2015-05-27 | 成都理工大学 | Die for manufacturing brittle material cuboid model with cracks |
| CN104833555A (en) * | 2015-03-09 | 2015-08-12 | 绍兴文理学院 | Producing method of intermittent-filling fracture rock sample model |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4677588B2 (en) * | 2005-12-08 | 2011-04-27 | 学校法人日本大学 | Pre-crack introduction method and apparatus |
| CN101077598B (en) * | 2007-06-18 | 2011-11-09 | 李衍远 | Method for preparing flat-plate stone using rock crackle forming continuous spreading fracture |
| CN103267678B (en) * | 2013-04-28 | 2015-08-05 | 北京大学 | A kind of method that hydrocarbon-bearing pool rock mass mechanics ground in-situ model recovers and device |
| CN103776673B (en) * | 2014-01-16 | 2015-10-07 | 合肥工业大学 | A kind of true triaxial rock sample crackle fabricated device |
| CN204202960U (en) * | 2014-10-30 | 2015-03-11 | 山东科技大学 | The through crack of standard rock sample makes mould |
| CN104865110B (en) * | 2015-06-01 | 2017-05-10 | 中国矿业大学 | Method for prefabricating rough fractures in rocklike similar material specimen |
| CN105424435B (en) * | 2015-11-20 | 2017-11-10 | 中国矿业大学 | A kind of method for making three-dimensional joint fissure cylindrical type rock sample |
-
2015
- 2015-11-20 CN CN201510814787.XA patent/CN105424435B/en active Active
-
2016
- 2016-08-31 WO PCT/CN2016/097509 patent/WO2017084406A1/en active Application Filing
-
2018
- 2018-01-12 ZA ZA2018/00237A patent/ZA201800237B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000010443A (en) * | 1998-07-31 | 2000-02-15 | 김윤규, 정주영, 심옥진, 정몽헌 | Rock piece shear supporting device |
| CN104515696A (en) * | 2014-12-09 | 2015-04-15 | 河海大学 | Method for preparation of columnar jointed rock mass similar material sample by 3D printing technology |
| CN104596790A (en) * | 2015-01-09 | 2015-05-06 | 山东科技大学 | Dry core-taking device and core-taking method for soft rock |
| CN104655466A (en) * | 2015-02-13 | 2015-05-27 | 成都理工大学 | Die for manufacturing brittle material cuboid model with cracks |
| CN104833555A (en) * | 2015-03-09 | 2015-08-12 | 绍兴文理学院 | Producing method of intermittent-filling fracture rock sample model |
Non-Patent Citations (4)
| Title |
|---|
| Hard rock drilling technique with abrasive water jet assistance;Yiyu Lu et al;《International Journal of Rock Mechanics & MiningSciences》;20130130;第60卷;第47-56页 * |
| 各向异性花岗岩的力学参数及相关性;吴秋红 等;《中南大学学报（自然科学版）》;20150630;第46卷(第6期);第2217页第1-2节 * |
| 圆柱孔破损膨胀土强度和变形特性的CT-三轴试验研究;汪时机 等;《岩土力学》;20131031;第34卷(第10期);第2763-2768、2809页 * |
| 非贯通节理岩体各向异性力学特性试验研究;柏俊磊;《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》;20150115(第1期);第13-15页 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261225A (en) * | 2019-07-01 | 2019-09-20 | 重庆大学 | Multi- scenarios method drop-down-shear fracture experiment the production method of core containing joint fissure |
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| Publication number | Publication date |
|---|---|
| ZA201800237B (en) | 2018-12-19 |
| CN105424435A (en) | 2016-03-23 |
| WO2017084406A1 (en) | 2017-05-26 |
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