CN102589946A - Anchor-contained test piece preparation method and device - Google Patents
Anchor-contained test piece preparation method and device Download PDFInfo
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- CN102589946A CN102589946A CN2012100389701A CN201210038970A CN102589946A CN 102589946 A CN102589946 A CN 102589946A CN 2012100389701 A CN2012100389701 A CN 2012100389701A CN 201210038970 A CN201210038970 A CN 201210038970A CN 102589946 A CN102589946 A CN 102589946A
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- base
- cone cylinder
- frustum cone
- anchor
- pressure head
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000011435 rock Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 14
- 238000004088 simulation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000000748 compression moulding Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 abstract description 7
- 238000011160 research Methods 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012237 artificial material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical compound [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 1
Images
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses an anchor-contained test piece preparation method and device. The device is composed of a disk base, a round table barrel and a pressure head, wherein the center of the disk base is provided with a round boss; the internal diameter of the round table barrel is same with the diameter of the cylinder of the base; a small eyelet used for fixing a simulated anchor rod is arranged on the round boss; the thick end of the round table barrel is arranged on the base; the piston body is a cylinder with a center through hole; the center through hole corresponds to the position of a base eyelet; the pressure head is a convex body; and the small section end of the pressure head is provided with a pressure head eyelet corresponding to the position of the base eyelet. Through adoption of the device, an anchor-contained rock test piece can be formed in one step, various combination modes of a basal body and the simulated anchor rod can be formed, the anchor-contained test piece which satisfies a mechanical property similarity ratio can be prepared easily, and an ideal experiment test piece can be provided for the rock and mine engineering anchoring theoretical research.
Description
Technical field
The present invention relates to a kind of manufacturing technology of rock sample.
Background technology
In Geotechnical Engineering, often run into anchor pole or anchor cable and carry out the anchoring reinforcing.The whole physical mechanics effect test research of ground that contains the anchor body is the major technique approach that discloses the Geotechnical Engineering anchor mechanism, therefore sets up the foundation that the anchoring theoretical model can be used as Geotechnical Engineering supporting design and stability analysis evaluation.Set up the anchoring theoretical model, need in the laboratory, contain the preparation of anchor rock sample and carry out Experiments of Machanics containing the anchor rock sample.
At present; The matrix material that in the laboratory, contains the preparation of anchor rock sample can be divided into two big types usually: one type is the protolith of machine-shaping; Another kind of is the rocks of preparing through various materials, and the simulation anchor pole is then mainly selected galvanized wire, copper wire, iron wire, bamboo etc. for use.If select protolith as the test specimen matrix, receive to select the restriction of the material property of analogsimulation anchor pole, contain between anchor test specimen and the Geotechnical Engineering anchoring prototype and be difficult to satisfy similarity, generally only be embodied in the situation of anchor pole rigidity of simulating greater than MATRIX STIFFNESS.So adopt the rocks test specimen mostly.
The rocks test specimen normally prepares like this; Use some natural materials; Like iron powder, ground barium sulfate, gesso, pulverized limestone, silica sand, river sand, clay, wood chip etc.; With artificial material such as cement, zinc paste, paraffin, rosin, alcohol, white glue with vinyl, resin etc., form the rocks test block matrix that slurries are processed different mechanical properties according to certain mixed.
When preparation contains the anchor rock sample again, the methods that adopt elder generation's boring on rocks test block matrix, back that the simulation anchor pole is installed more; Because rocks test block matrix size is less, in boring procedure, cause MATRIX CRACKING or damage very common, what influenced the later stage to a certain extent contains anchor specimen test result.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art, a kind of preparation facilities that contains the anchor test specimen and preparation method thereof is provided.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is:
A kind of anchor test material preparation device that contains is made up of base, frustum cone cylinder, piston body and pressure head; Described base is the disk that a center is provided with the boss platform, is furnished with on the boss platform to be used for fixing the small perforations of simulating anchor pole, and the boss platform diameter on the base is identical with the test specimen diameter; Described frustum cone cylinder is lumped together by the three equal parts arc tube and constitutes, and uses collar banding; The internal diameter of frustum cone cylinder is identical with the base body diameter, and the butt end of frustum cone cylinder is placed on the base; Described piston body is the cylinder of band central through hole, and central through hole and corresponding with base eyelet position, the external diameter of piston body are slightly less than the frustum cone cylinder internal diameter; Described pressure head is a convex shape, and its small bore end is furnished with and the corresponding pressure head eyelet in base eyelet position.
Utilize said apparatus to make the method that contains the anchor test specimen, may further comprise the steps:
The first step at first will be simulated anchor pole and insert the base holes intraocular, then frustum cone cylinder will be placed on the base, and use collar banding.
Second step stirred the rocks material mixing for preparing, and gradation is packed in the frustum cone cylinder; One time charge weight is about 1/5 of frustum cone cylinder height; Piston body is put into frustum cone cylinder, and make the simulation anchor pole pass the piston body central through hole, through knocking or rise and fall piston body tamping compound; Feed successively, the tamping operation, till the test specimen height that reaches design.
The 3rd step was put into charged frustum cone cylinder on the pressing machine with base, again the small bore of pressure head was aimed at frustum cone cylinder, and the simulation anchor pole is penetrated in the pressure head eyelet, loaded compacting then; When loading compacting, the displacement control of pressing machine elder generation, velocity of displacement is 0.5mm/min; Transfer power control when the power of treating reaches 2～3KN again to, power speed is 0.05KN/S, makes pressure slowly be increased to predetermined force value; And then steady pressure 2min, promptly accomplish the compression moulding of test specimen.
The 4th step, lay down the collar successively, pull down pressure head and frustum cone cylinder, that takes out compression moulding contains the anchor test specimen, cuts away the unnecessary simulation anchor pole head that expose at the test specimen two ends, can carry out the mechanical test test through maintenance after a while again.
The present invention can make and contain the one-shot forming of anchor rocks test specimen; Can form matrix and the multiple array mode of simulating anchor pole; Prepare more easily satisfy the similar mechanical ratio contain the anchor test specimen, can be ground and mine engineering anchoring theoretical research provides desirable test test specimen.This one-time formed anchor test material preparation method advantage that contains is, can avoid drill jig to intend the damage of bolthole to the anchoring matrix, has simplified the program that contains the anchor test material preparation again.
Mould structure of the present invention is simple, easy installation and removal, and stripping result is good, and can suppress the test specimen of different cloth anchor modes according to testing program.
Description of drawings
Fig. 1 is an one-piece construction front view of the present invention;
Fig. 2 is the vertical view of base;
Fig. 3 is the vertical view of piston body;
Fig. 4 is the front view of frustum cone cylinder;
Fig. 5 is the front view of lower collar;
Fig. 6 is a front view of going up the collar;
Fig. 7 is the front view of pressure head.
Among the figure, 1-simulates anchor pole, 2-test specimen, 3-pressure head, 4-frustum cone cylinder, 5-base, 6a-lower collar, the last collar of 6b-, 7a-base eyelet, 7b-piston eyelet, 7c-pressure head eyelet, 8-piston body.
Embodiment
Below in conjunction with accompanying drawing the anchor rocks test piece mould that contains of the present invention is elaborated:
-kind contain anchor test material preparation device, form by base 5, frustum cone cylinder 4, piston body 8 and 3 of pressure heads; Described base 5 is the disk that a center is provided with the boss platform, is furnished with on the boss platform to be used for fixing the base eyelet 7a that simulates anchor pole 1, and the boss platform diameter on the base 5 is identical with test specimen 2 diameters; Described frustum cone cylinder 4 is lumped together by the three equal parts arc tube and constitutes, and with lower collar 6a and last collar 6b banding; The internal diameter of frustum cone cylinder 4 is identical with base 5 boss platform diameters, and a thicker end of frustum cone cylinder 4 is placed on the base 5; Described piston body 8 is the cylinder of band piston eyelet 7b, and piston eyelet 7b is corresponding with base eyelet 7a position, and the external diameter of piston body 8 is slightly less than frustum cone cylinder 4 internal diameters; Described pressure head 3 is a convex shape, and its small bore end is furnished with pressure head eyelet 7c, and pressure head eyelet 7c is corresponding with base eyelet 7a position.
Utilize above-mentioned Mold Making to contain the method for anchor test specimen, may further comprise the steps:
The first step at first will be simulated anchor pole 1 and insert in the base eyelet 7a, then frustum cone cylinder 4 is placed on the base 5, and with lower collar 6a and last collar 6b banding.
Second step stirred the rocks material mixing for preparing, and gradation is packed in the frustum cone cylinder 4; One time charge weight is about 1/5 of frustum cone cylinder 4 height; Piston body 8 is put into frustum cone cylinder 4, and make simulation anchor pole 1 pass piston eyelet 7b, through knocking or rise and fall piston body 8 tamping compounds; Feed successively, the tamping operation, till the test specimen height that reaches design.
The 3rd step was put into charged frustum cone cylinder 4 on the pressing machine with base 5, again the small bore of pressure head 3 was aimed at frustum cone cylinder 4, and simulation anchor pole 1 is penetrated in the pressure head eyelet 7c, loaded compacting then; When loading compacting, the displacement control of pressing machine elder generation, velocity of displacement is 0.5mm/min; Transfer power control when the power of treating reaches 2～3KN again to, power speed is 0.05KN/S, makes pressure slowly be increased to predetermined force value; And then steady pressure 2min, promptly accomplish the compression moulding of test specimen 2.
The 4th step, lay down upper and lower collar 6b and 6a successively, pull down pressure head 3 and frustum cone cylinder 4, that takes out compression moulding contains anchor test specimen 2, cuts away the unnecessary simulation anchor pole head that expose at test specimen 2 two ends, can carry out the mechanical test test through maintenance after a while again.
Simulating bolt supporting with the siltstone tunnel of certain mine more below is example, explains that a making contains the material prescription of anchor test specimen.The physical mechanics ratio of similitude that regulation contains anchor rocks test specimen is 20: 1.Through test; The compressive strength of siltstone is that the elastic modulus of 52.87MPa, engineering simulation anchor pole 1 is 200GPa; The selection elastic modulus is that the bamboo of 10GPa is simulated anchor pole 1 as containing the anchor test specimen, meets 20: 1 ratio of similitude of design, and it is that 2.0mm, length are the body of rod of 120mm that bamboo is made into diameter; Material prescription is divided into three groups, and concrete prescription sees the following form:
The results showed that choosing the anchor test specimen uniaxial compressive strength that contains that above-mentioned prescription processes is 2.65MPa, and meets 20: 1 ratio of similitude between the siltstone intensity.
Claims (2)
1. one kind contains anchor test material preparation device, it is characterized in that it is made up of base, frustum cone cylinder, piston body and pressure head; Described base is the disk that a center is provided with the boss platform, is furnished with on the boss platform to be used for fixing the small perforations of simulating anchor pole, and the boss platform diameter on the base is identical with the test specimen diameter; Described frustum cone cylinder is lumped together by the three equal parts arc tube and constitutes, and uses collar banding; The internal diameter of frustum cone cylinder is identical with the base body diameter, and the butt end of frustum cone cylinder is placed on the base; Described piston body is the cylinder of band central through hole, central through hole and corresponding with base eyelet position, and the external diameter of piston body is less than the frustum cone cylinder internal diameter; Described pressure head is a convex shape, and its small bore end is furnished with and the corresponding pressure head eyelet in base eyelet position.
2. one kind is utilized device preparation as claimed in claim 1 to contain the method for anchor test specimen, it is characterized in that, may further comprise the steps:
The first step at first will be simulated anchor pole and insert the base holes intraocular, then frustum cone cylinder will be placed on the base, and use collar banding;
Second step stirred the rocks material mixing for preparing, and gradation is packed in the frustum cone cylinder; One time charge weight is about 1/5 of frustum cone cylinder height; Piston body is put into frustum cone cylinder, and make the simulation anchor pole pass the piston body central through hole, through knocking or rise and fall piston body tamping compound; Feed successively, the tamping operation, till the test specimen height that reaches design;
The 3rd step was put into charged frustum cone cylinder on the pressing machine with base, again the small bore of pressure head was aimed at frustum cone cylinder, and the simulation anchor pole is penetrated in the pressure head eyelet, loaded compacting then; When loading compacting, the displacement control of pressing machine elder generation, velocity of displacement is 0.5mm/min; Transfer power control when the power of treating reaches 2～3KN again to, power speed is 0.05KN/S, makes pressure slowly be increased to predetermined force value; And then steady pressure 2min, promptly accomplish the compression moulding of test specimen;
The 4th step, lay down the collar successively, pull down pressure head and frustum cone cylinder, that takes out compression moulding contains the anchor test specimen, cuts away the unnecessary simulation anchor pole head that expose at the test specimen two ends, can carry out the mechanical test test through maintenance after a while again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210038970 CN102589946B (en) | 2012-02-12 | 2012-02-12 | Anchor-contained test piece preparation method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210038970 CN102589946B (en) | 2012-02-12 | 2012-02-12 | Anchor-contained test piece preparation method and device |
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| Publication Number | Publication Date |
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| CN102589946A true CN102589946A (en) | 2012-07-18 |
| CN102589946B CN102589946B (en) | 2013-10-16 |
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| CN 201210038970 Expired - Fee Related CN102589946B (en) | 2012-02-12 | 2012-02-12 | Anchor-contained test piece preparation method and device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196738A (en) * | 2013-03-20 | 2013-07-10 | 山东大学 | Device and method for accurate compression molding of test piece during similar material confecting process |
| CN104535389A (en) * | 2014-12-24 | 2015-04-22 | 江苏苏博特新材料股份有限公司 | Special testing piece mold and using method thereof |
| CN104849120A (en) * | 2015-06-01 | 2015-08-19 | 东北石油大学 | Device and method for manufacturing rock test piece of shale |
| CN107490666A (en) * | 2017-09-30 | 2017-12-19 | 中国矿业大学 | Soft coal forming device and method for simulating coal body pore-forming |
| CN109883780A (en) * | 2019-01-21 | 2019-06-14 | 绍兴文理学院 | Method is determined based on the anchor structure face size threshold of large-scale full scale test |
| CN109959548A (en) * | 2019-04-28 | 2019-07-02 | 安徽理工大学 | A kind of anchoring body test piece mould device and its application method with inner hole |
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| JPH09166534A (en) * | 1995-12-18 | 1997-06-24 | Masaru Yamauchi | Simplified original position rock shearing testing machine and testing method usin the same |
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| CN101487836A (en) * | 2009-02-06 | 2009-07-22 | 煤炭科学研究总院重庆研究院 | Simulated ground stress apparatus for coal and gas burst experiment |
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| CN102052071A (en) * | 2010-12-14 | 2011-05-11 | 中国海洋石油总公司 | Frustum cylinder-shaped near wellbore zone shear simulation device with sand prevention compacted sand bodies |
| CN202502004U (en) * | 2012-02-12 | 2012-10-24 | 山东科技大学 | Anchor-containing sample preparing device |
-
2012
- 2012-02-12 CN CN 201210038970 patent/CN102589946B/en not_active Expired - Fee Related
Patent Citations (7)
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|---|---|---|---|---|
| JPH09166534A (en) * | 1995-12-18 | 1997-06-24 | Masaru Yamauchi | Simplified original position rock shearing testing machine and testing method usin the same |
| CN2312454Y (en) * | 1997-09-24 | 1999-03-31 | 中国科学院武汉岩土力学研究所 | Centralizing type and column shaped indirect rock sample traction testing device |
| JPH11303301A (en) * | 1998-04-17 | 1999-11-02 | Kajima Corp | Shearing specimen and manufacture of shearing specimen |
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| CN102052071A (en) * | 2010-12-14 | 2011-05-11 | 中国海洋石油总公司 | Frustum cylinder-shaped near wellbore zone shear simulation device with sand prevention compacted sand bodies |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196738A (en) * | 2013-03-20 | 2013-07-10 | 山东大学 | Device and method for accurate compression molding of test piece during similar material confecting process |
| CN103196738B (en) * | 2013-03-20 | 2017-07-04 | 山东大学 | For the accurate compressing apparatus and method of test specimen in analog material process for preparation |
| CN104535389A (en) * | 2014-12-24 | 2015-04-22 | 江苏苏博特新材料股份有限公司 | Special testing piece mold and using method thereof |
| CN104849120A (en) * | 2015-06-01 | 2015-08-19 | 东北石油大学 | Device and method for manufacturing rock test piece of shale |
| CN104849120B (en) * | 2015-06-01 | 2017-10-10 | 东北石油大学 | Device for preparing mud shale rock sample and preparation method thereof |
| CN107490666A (en) * | 2017-09-30 | 2017-12-19 | 中国矿业大学 | Soft coal forming device and method for simulating coal body pore-forming |
| CN109883780A (en) * | 2019-01-21 | 2019-06-14 | 绍兴文理学院 | Method is determined based on the anchor structure face size threshold of large-scale full scale test |
| CN109883780B (en) * | 2019-01-21 | 2021-11-05 | 绍兴文理学院 | Large-scale full-scale test-based anchoring structure surface size threshold determination method |
| CN109959548A (en) * | 2019-04-28 | 2019-07-02 | 安徽理工大学 | A kind of anchoring body test piece mould device and its application method with inner hole |
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|---|---|
| CN102589946B (en) | 2013-10-16 |
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Granted publication date: 20131016 |