CN204202960U - The through crack of standard rock sample makes mould - Google Patents
The through crack of standard rock sample makes mould Download PDFInfo
- Publication number
- CN204202960U CN204202960U CN201420636950.9U CN201420636950U CN204202960U CN 204202960 U CN204202960 U CN 204202960U CN 201420636950 U CN201420636950 U CN 201420636950U CN 204202960 U CN204202960 U CN 204202960U
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- crack
- pipe die
- otch
- half rounds
- opening width
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Abstract
The utility model discloses the through crack of a kind of standard rock sample and make mould, it is by a pair half rounds pipe die, coupling bolt, register pin forms, half rounds pipe die both sides respectively arrange a junction steel plate, each reserved two bolts hole and a dowel hole on junction steel plate, bolt hole and dowel hole are arranged on the same line, dowel hole is between two bolts hole, half rounds pipe die axial centerline is furnished with prefabricated crack otch, prefabricated crack otch has different angles of inclination and opening width and by two kinds of arrangement modes arrangements, to be that angle of inclination is constant arrange by different opening width first kind of way, to be that opening width is constant arrange by differing tilt angles the second way.The utility model mould structure is simple, manufacture craft is simple and easy, easy to operate, on standard rock sample, more accurately can make the through crack of differing tilt angles and opening width, dirigibility is large and efficiency is higher.
Description
Technical field
The utility model relates to a kind of mould for the through crack of production standard rock sample, is wrapped in a kind of steel die with prefabricated crack otch on rock sample when being specially the through crack of production standard rock sample.
Background technology
Along with the fast development of economy, the problems such as environmental pollution, energy shortage and traffic congestion are on the rise, and for alleviating the pressure that the problem such as soil, resource is brought, the development of underground works has become inevitable trend.But ubiquity the weak structural face such as crack, joint, tomography in rock stratum environment residing for underground works, impact is in various degree caused on rock mass mechanics performance, control to bring great difficulty and uncertainty to the stability of underground works.Grasp the Changing Pattern of crack rock mechanical property, underground engineering stability is controlled to have very important directive significance.
The existing research for actual crack rock destructive process has mainly come by shop experiment, but how to process prefabricated crack in test specimen manufacturing process be a more difficult problem.About concentrating on containing crack rock correlativity Quality Research major part on rocks analog material that gypsum, sand-cement slurry etc. and other compounds make according to certain proportioning, processing main employing in crack mixes the methods such as crack gage, built-in metal bar or polymkeric substance sheet.
Relative to rocks analog material, use true rock sample research experiment that the Changing Pattern of crack rock mechanical property can be described better, some scholars carried out some crack rock experimental studies for true rock sample.Feng Xiating mentions and cut long 3mm on 30mm × 15mm × 3mm rectangular plate-like test specimen in the fine observation mechanical test of rock failure process " under the stress-current-chemical coupling ", 2 or 3 precracks of wide 0.25mm, do not mention the method for making of precrack in article, do not mention mold use yet.Lu Zude is at " fissure rock water-rock effect dynamic characteristic test research and theoretical analysis ", mention in " stress-current-chemical coupling effect experimental study of fissure rock " and make through crack on true rock sample, be specially: first processing column shape mould, this mould there is the otch being a bit larger tham precrack size, the mid point of every Crack is the circular hole of diameter 4mm, then this mould is accurately enclosed within test specimen by design size, be 3mm with diameter, length is that the drill bit of the band emery of the 70mm circular hole on mould is holed, finally with fret-saw put in aperture along the otch of precrack on mould back and forth dragsaw complete making, merely illustrate the through crack utilized on the true rock sample of a kind of Mould Machining with prepared recess in article, the method for making that this mould is detailed is not provided.
The crack making different angles and opening width on test specimen is often needed in crack rock test, but, rock is hard brittle material, if do not use mould, the precision ensureing crack angle and opening width is difficult to when standard rock sample makes through crack, if and crack precision does not reach requirement directly will affect test findings, the propagation law of rock fracture can not accurately be reflected.Rational mould is used to solve the problem preferably and to substantially increase work efficiency.At present still not for the mould invention that the through crack of true rock sample makes.
Summary of the invention
The utility model is for crack rock Experimental Study On Mechanical Properties, a kind of mould running through crack for making differing tilt angles and opening width on standard rock sample is provided, this mould structure is simple, it is simple and easy, easy to use to make, can reuse, accurately can control angle of inclination and the opening width in crack, dirigibility is large and efficiency is higher.
The through crack of the utility model standard rock sample makes being configured to of mould: be made up of a pair half rounds pipe die, register pin and coupling bolt, it is characterized in that, described half rounds pipe die is by length 75mm, internal diameter 50mm, two semicircle steel pipes that the round steel pipe of wall thickness 4mm diametrically cuts into, in cutting process, round steel pipe there is the gap of 2mm ~ 5mm along cutting planes, after having cut, outside semicircle steel pipe, long 75mm is welded respectively along both sides line of cut, wide 15mm, the junction steel plate of thick 4mm, the co-planar at junction steel plate and two line of cut places; The axial centerline of described half rounds pipe die is furnished with prefabricated crack otch.
Each reserved two bolts hole, dowel holes on described junction steel plate, bolt hole and dowel hole are arranged point-blank, and dowel hole is positioned at the centre of two bolts hole.
The gap of described 2mm ~ 5mm can make a pair half rounds pipe die directly not contact in use between the two, and such coupling bolt can produce pretightning force after tightening makes half rounds pipe die be rolled in securely on rock sample; Described register pin can prevent two semicircular steel pipe mould from the relative changing of the relative positions operationally occurring, to ensure that the prefabricated crack otch of equal angular and opening width can strictly align.
Described prefabricated crack incision length 10mm, this length is the plane projection length of prefabricated crack otch on half rounds pipe die; Described prefabricated crack otch has different angles of inclination and opening width, be arranged on half rounds pipe die by two kinds of arrangement modes, first kind of way arranges according to different opening width, otch angle of inclination, crack is 45 °, be provided with 1.0mm, 1.5mm, 2.0mm, 2.5mm tetra-kinds of opening widths, center line is arranged on half rounds pipe die from top to bottom vertically, and the distance of the spacing between crack open center point and two ends open center point distance half rounds pipe die end is 15mm; The second way arranges according to differing tilt angles, crack otch opening width is 1.0mm, be provided with 15 °, 30 °, 60 °, 75 ° four typical angles of inclination, four kinds of crack otch vertically center line are sequentially arranged on half rounds pipe die from top to bottom, and the spacing between crack open center point and two ends open center point are 15mm apart from the distance of half rounds pipe die end.
The method of operating that the through crack of the utility model standard rock sample makes mould is: first, is with the drill bit of emery to make a call to a through circular hole along test specimen diameter at standard rock sample center diameter 2mm; Then, a pair half rounds pipe die of band prefabricated crack otch is enclosed within standard rock sample, the central point of required prefabricated crack otch is just to circular hole through on test specimen, with coupling bolt, two semicircular steel pipe mould is close to test specimen to be connected firmly, be plugged register pin, form a sleeve be wrapped in around test specimen; Finally with fret-saw put in boring in along the prefabricated crack otch on mould back and forth dragsaw complete the making in prefabricated through crack.
The advantage that the through crack of the utility model standard rock sample makes mould is:
1, the utility model mould is only formed by connecting with the half rounds pipe die of two band prefabricated crack otch, and its structure is simple, and manufacture craft is simple and easy, easy to operate, is easy to dismounting and assembling, and fixing more firm.
2, the utility model mould is provided with the prefabricated crack otch of 15 °, 30 °, 45 °, 60 °, 75 ° several typical angles of inclination and several typical opening width of 1.0mm, 1.5mm, 2.0mm, 2.5mm, on standard rock sample, accurately can make the through crack of differing tilt angles and opening width, there is higher dirigibility.
3, four prefabricated crack otch arranged by each mould, save making material.
4, utilize the utility model mould on standard rock sample, make through crack and can shorten crack Production Time, substantially increase work efficiency.
Accompanying drawing explanation
Fig. 1 is that the prefabricated crack otch of the utility model mould is by one-piece construction schematic diagram during different opening width layout.
Fig. 2 is the one-piece construction schematic diagram of the prefabricated crack otch of the utility model mould when arranging by differing tilt angles.
Fig. 3 is the longitudinal sectional view of Fig. 1 along gap, two semicircular steel pipe mould junction.
Fig. 4 is the longitudinal sectional view of Fig. 2 along gap, two semicircular steel pipe mould junction.
Fig. 5 is Fig. 1, Fig. 2 transverse sectional view along bolt place surface level.
Marginal data: 1-half rounds pipe die; 2-prefabricated crack otch; 3-junction steel plate; 4-coupling bolt; 5-register pin; 6-bolt hole; 7-dowel hole.
Embodiment
Content elaborates to embodiment of the present utility model by reference to the accompanying drawings below.
As shown in Fig. 1 ~ 5, the through crack of the utility model standard rock sample makes being configured to of mould: be made up of a pair half rounds pipe die 1, register pin 5 and coupling bolt 4, half rounds pipe die 1 both sides respectively arrange a junction steel plate 3, each reserved two bolts hole 6 and a dowel hole 7 on junction steel plate 3, bolt hole 6 and dowel hole 7 are arranged on the same line, dowel hole 7, between two bolts hole 6, half rounds pipe die 1 axial centerline is furnished with prefabricated crack otch 2.
Concrete, half rounds pipe die 1 is by length 75mm, internal diameter 50mm, two semicircle steel pipes that the round steel pipe of wall thickness 4mm diametrically cuts into, in cutting process, round steel pipe there is the gap of 2mm ~ 5mm along cutting planes, this gap can make a pair half rounds pipe die 1 directly not contact in use between the two, and such coupling bolt 4 can produce pretightning force after tightening makes half rounds pipe die 1 be rolled in securely on rock sample; After having cut, outside semicircle steel pipe, weld long 75mm along both sides line of cut respectively, wide 15mm, the junction steel plate 3 of thick 4mm, the co-planar at junction steel plate 3 and two line of cut places.During use, junction steel plate plugs register pin 5 and can prevent two semicircular steel pipe mould from the relative changing of the relative positions operationally occurring, to ensure that the prefabricated crack otch of equal angular and opening width can strictly align.
Prefabricated crack otch 2 length 10mm, this length is the plane projection length of prefabricated crack otch on half rounds pipe die; Prefabricated crack otch 2 has different angles of inclination and opening width, be arranged on half rounds pipe die 1 by two kinds of arrangement modes, first kind of way arranges according to different opening width, prefabricated crack otch 2 angle of inclination is 45 °, be provided with 1.0mm, 1.5mm, 2mm, 2.5mm tetra-kinds of opening widths, four kinds of prefabricated crack otch 2 vertically center line are sequentially arranged on half rounds pipe die from top to bottom, and the spacing between prefabricated crack otch 2 central point and two ends open center point are 15mm apart from the distance of half rounds pipe die 1 end; The second way arranges according to differing tilt angles, prefabricated crack otch 2 opening width is 1.0mm, be provided with 15 °, 30 °, 60 °, 75 ° four typical angles of inclination, four kinds of prefabricated crack otch 2 vertically center line are sequentially arranged on half rounds pipe die 1 from top to bottom, and the spacing between prefabricated crack otch 2 central point and two ends open center point are 15mm apart from the distance of half rounds pipe die 1 end.
The method of operating that the through crack of standard rock sample makes mould is: first, is with the drill bit of emery to make a call to a through circular hole along test specimen diameter at standard rock sample center diameter 2mm; Then, a pair half rounds pipe die 1 of band prefabricated crack otch 2 is enclosed within standard rock sample, the central point of required prefabricated crack otch 2 is just to circular hole through on test specimen, with coupling bolt 4, two semicircular steel pipe mould 1 is close to test specimen to be connected firmly, be plugged register pin 5, form a steel bushing be wrapped in around test specimen; Finally with fret-saw put in boring in along the prefabricated crack otch 2 on mould back and forth dragsaw complete the making in prefabricated through crack.
Claims (2)
1. the through crack of standard rock sample makes mould, it is by a pair half rounds pipe die, coupling bolt, register pin forms, and it is characterized in that, described half rounds pipe die both sides respectively arrange a junction steel plate, each reserved two bolts hole and a dowel hole on junction steel plate, bolt hole and dowel hole are arranged on the same line, and dowel hole, between two bolts hole, half rounds pipe die axial centerline is furnished with prefabricated crack otch.
2. the through crack of standard rock sample according to claim 1 makes mould, it is characterized in that, described prefabricated crack otch has different angles of inclination and opening width, the arrangement mode of prefabricated crack otch on half rounds pipe die has two kinds, first kind of way is that the angle of inclination of prefabricated crack otch is 45 °, is sequentially arranged in half rounds pipe die axial centerline from top to bottom according to opening width 1.0mm, 1.5mm, 2.0mm, 2.5mm; The second way is that prefabricated crack otch opening width is 1.0mm, according to 15 °, angle of inclination, 30 °, 60 °, 75 ° be sequentially arranged in from top to bottom in half rounds pipe die axial centerline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420636950.9U CN204202960U (en) | 2014-10-30 | 2014-10-30 | The through crack of standard rock sample makes mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420636950.9U CN204202960U (en) | 2014-10-30 | 2014-10-30 | The through crack of standard rock sample makes mould |
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| Publication Number | Publication Date |
|---|---|
| CN204202960U true CN204202960U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420636950.9U Expired - Fee Related CN204202960U (en) | 2014-10-30 | 2014-10-30 | The through crack of standard rock sample makes mould |
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| CN (1) | CN204202960U (en) |
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| CN105424446A (en) * | 2016-01-24 | 2016-03-23 | 山东科技大学 | Standard rock sample through fracture quick-making device and operation method thereof |
| CN105606417A (en) * | 2015-12-29 | 2016-05-25 | 中国石油天然气集团公司 | Manufacturing method of real rock specimen having through cracks |
| CN105806687A (en) * | 2016-03-04 | 2016-07-27 | 中国石油大学(华东) | Mould for manufacturing rock block with adjustable angle and width of fissure surface |
| CN105823663A (en) * | 2016-05-11 | 2016-08-03 | 中国海洋大学 | Mold for manufacturing hemi-discoid rock-like specimen with fracture surface and manufacturing method |
| CN106018035A (en) * | 2016-07-06 | 2016-10-12 | 四川大学 | Multi-fracture rock sample mould capable of precisely positioning rock bridge intersection angle and rock bridge length |
| CN106442048A (en) * | 2016-09-08 | 2017-02-22 | 成都理工大学 | Stair-step joint rock bridge model manufacturing device and using method thereof |
| WO2017084406A1 (en) * | 2015-11-20 | 2017-05-26 | 中国矿业大学 | Method for fabricating three-dimensional joint-fissure cylindrical rock specimen |
| CN107300493A (en) * | 2017-08-23 | 2017-10-27 | 青岛理工大学 | A kind of hole rocks test sample-producing die and preparation method |
| CN108106895A (en) * | 2017-12-20 | 2018-06-01 | 西安科技大学 | For the non-linear crack processing unit (plant) and its processing method of fluid permeability experiment |
| CN108189249A (en) * | 2017-12-20 | 2018-06-22 | 西安科技大学 | For the experimental provision and its experimental method of the processing of rocks test specimen man-made fracture |
| CN108318318A (en) * | 2018-01-15 | 2018-07-24 | 中国矿业大学 | A kind of mold and method making the crack of the three-dimensional preformed containing filling rocks sample based on 3D printing technique |
| CN108827729A (en) * | 2018-06-14 | 2018-11-16 | 河海大学 | A kind of rocks sample mould and preparation method of sample containing complicated joint |
| CN109085034A (en) * | 2018-08-23 | 2018-12-25 | 山东大学 | A kind of standard rock sample prefabricated crack producing device and method |
| CN109808045A (en) * | 2019-03-15 | 2019-05-28 | 山东科技大学 | A kind of controllable joint formula rocks casting die device and application method |
| CN111157307A (en) * | 2019-12-30 | 2020-05-15 | 扬州大学 | Method for manufacturing self-repairing cement-based material test piece cracks |
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- 2014-10-30 CN CN201420636950.9U patent/CN204202960U/en not_active Expired - Fee Related
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| WO2017084406A1 (en) * | 2015-11-20 | 2017-05-26 | 中国矿业大学 | Method for fabricating three-dimensional joint-fissure cylindrical rock specimen |
| CN105606417A (en) * | 2015-12-29 | 2016-05-25 | 中国石油天然气集团公司 | Manufacturing method of real rock specimen having through cracks |
| CN105424446A (en) * | 2016-01-24 | 2016-03-23 | 山东科技大学 | Standard rock sample through fracture quick-making device and operation method thereof |
| CN105806687A (en) * | 2016-03-04 | 2016-07-27 | 中国石油大学(华东) | Mould for manufacturing rock block with adjustable angle and width of fissure surface |
| CN105806687B (en) * | 2016-03-04 | 2020-02-18 | 中国石油大学(华东) | Mould for manufacturing angle-adjustable and width-adjustable crack face rock block |
| CN105823663A (en) * | 2016-05-11 | 2016-08-03 | 中国海洋大学 | Mold for manufacturing hemi-discoid rock-like specimen with fracture surface and manufacturing method |
| CN105823663B (en) * | 2016-05-11 | 2018-07-03 | 中国海洋大学 | Make the mold and production method of rocks test specimen of the semi-disc with fissure-plane |
| CN106018035B (en) * | 2016-07-06 | 2018-06-15 | 四川大学 | The rock bridge angle of cut and more crack rocks sample moulds of rock bridge length can be accurately positioned |
| CN106018035A (en) * | 2016-07-06 | 2016-10-12 | 四川大学 | Multi-fracture rock sample mould capable of precisely positioning rock bridge intersection angle and rock bridge length |
| CN106442048A (en) * | 2016-09-08 | 2017-02-22 | 成都理工大学 | Stair-step joint rock bridge model manufacturing device and using method thereof |
| CN106442048B (en) * | 2016-09-08 | 2019-03-12 | 成都理工大学 | Ladder-like joint rock bridge model preparation facilities and its application method |
| CN107300493A (en) * | 2017-08-23 | 2017-10-27 | 青岛理工大学 | A kind of hole rocks test sample-producing die and preparation method |
| CN108106895A (en) * | 2017-12-20 | 2018-06-01 | 西安科技大学 | For the non-linear crack processing unit (plant) and its processing method of fluid permeability experiment |
| CN108189249A (en) * | 2017-12-20 | 2018-06-22 | 西安科技大学 | For the experimental provision and its experimental method of the processing of rocks test specimen man-made fracture |
| CN108189249B (en) * | 2017-12-20 | 2023-08-11 | 西安科技大学 | Experimental device and experimental method for artificial crack processing of rock-like test piece |
| CN108318318A (en) * | 2018-01-15 | 2018-07-24 | 中国矿业大学 | A kind of mold and method making the crack of the three-dimensional preformed containing filling rocks sample based on 3D printing technique |
| CN108827729A (en) * | 2018-06-14 | 2018-11-16 | 河海大学 | A kind of rocks sample mould and preparation method of sample containing complicated joint |
| CN109085034A (en) * | 2018-08-23 | 2018-12-25 | 山东大学 | A kind of standard rock sample prefabricated crack producing device and method |
| CN109085034B (en) * | 2018-08-23 | 2022-03-22 | 山东大学 | Standard rock test piece prefabricated crack manufacturing device and method |
| CN109808045A (en) * | 2019-03-15 | 2019-05-28 | 山东科技大学 | A kind of controllable joint formula rocks casting die device and application method |
| CN109808045B (en) * | 2019-03-15 | 2024-02-02 | 山东科技大学 | Controllable joint type rock-like casting die device and application method |
| CN111157307A (en) * | 2019-12-30 | 2020-05-15 | 扬州大学 | Method for manufacturing self-repairing cement-based material test piece cracks |
| CN112060170A (en) * | 2020-09-02 | 2020-12-11 | 孙开国 | Automatic change PVC cutting equipment for plastic conduit processing |
| CN112268776A (en) * | 2020-11-17 | 2021-01-26 | 南京大学 | Preparation method of fractured soil compressive strength test sample |
| CN113049328A (en) * | 2021-03-11 | 2021-06-29 | 华东交通大学 | Device for preparing sandy soil samples with different deposition angles |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20161030 |