CN105466741B - A kind of arbitrary orientation multiple groups joint rock bridge sample preparation device - Google Patents
A kind of arbitrary orientation multiple groups joint rock bridge sample preparation device Download PDFInfo
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- CN105466741B CN105466741B CN201510823732.5A CN201510823732A CN105466741B CN 105466741 B CN105466741 B CN 105466741B CN 201510823732 A CN201510823732 A CN 201510823732A CN 105466741 B CN105466741 B CN 105466741B
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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
Abstract
The invention discloses a kind of arbitrary orientation multiple groups joint rock bridge sample preparation devices, including I-shaped guide rail, fixed plate, L bracket, angle controller and inserting piece device；The preparation facilities lower part is made of two pairs of two parallel I-shaped guide rails and rod piece, the square internal diameter that I-shaped guide rail and rod piece surround is identical as sample box internal diameter, L bracket is nested on I-shaped guide rail, angle controller is fixed in L bracket, inserting piece device is fixed on angle controller by fastening screw, collectively forms the basic structure of device.Compared with the prior art, the advantages of the invention are the device is practical simple, a variety of joints can be made, the sample made can be used in direct shearing test and true triaxial experiment, it is easy to use, precision is high, practicability is big, with this realize real simulation joint, improve working efficiency, reduce experimental error, Optimum Experiment result, solve engineering problem target.
Description
Technical field
The present invention relates to building hydroelectric project test in sample joint preparing device more particularly to a kind of arbitrary orientation multiple groups
Joint rock bridge sample preparation device and method.
Background technique
In all kinds of engineering-builts, including architectural engineering, structures engineering, underground engineering, municipal works, traffic engineering and
Hydraulic engineering etc. requires the strength problem for considering Tracing Crack of Engineering Joint Rock.Natural rock mass is generally in certain stress state, quilt
Each structural plane is divided, and has discontinuity, and inhomogeneities is easy to be run through by the joint of any direction.Rock in Practical Project
Body forms the different joint of character under the geologic process of various complexity, to destruction machine of the research rock mass under various stress states
Reason has great importance.Therefore, clearly failure law containing jointed rock mass just seems particularly necessary for research.But in practical study mistake
Cheng Zhong is difficult to find a great deal of and consistent natural jointed rock mass of test requirements document.Thus, it is often used hand-made joint, i.e.,
Natural or manual sample is processed using the method for machine cuts or pre-buried iron plate, to simulate natural jointed rock mass.
But these method precision are low, not easy to operate and cannot obtain the sample of jointed rock mass containing multiple groups.In order to solve this problem to meet
Practical Project demand, the present invention on the basis of previous a large amount of engineering tests practice, design it is a kind of it is simple and practical, accuracy is high
A kind of arbitrary orientation multiple groups joint rock bridge sample preparation device and method.
Summary of the invention
The present invention be in order to solve above-mentioned deficiency, provide a kind of arbitrary orientation multiple groups joint rock bridge sample preparation device and
Method.
Above-mentioned purpose of the invention is realized by technical solution below: a kind of arbitrary orientation multiple groups joint rock bridge sample
Preparation facilities, it is characterised in that: including I-shaped guide rail, fixed plate, L bracket, angle controller and inserting piece device；It is described
Preparation facilities lower part is made of two pairs of two parallel I-shaped guide rails and rod piece, the square that I-shaped guide rail and rod piece surround
Internal diameter is identical as sample box internal diameter, and L bracket is nested on I-shaped guide rail, and angle controller is fixed in L bracket, inserts
Sheet devices are fixed on angle controller by fastening screw, collectively form the basic structure of device；
The I-shaped guide rail bottom surface is located on sample box, and has length both sides, and short side is in outside, and long side is in interior
Side is in same plane with sample box medial surface, and the scale that precision is 0.1mm is carved on long side top surface；
The I-shaped guide rail is structure as a whole with lower tie plate, and junction normal section is L shape, in fixed plate there are
Three fastening screw holes, parallel equidistant are distributed in the middle part of fixed plate；Fixed plate medial surface is bonded with sample outer box wall；
The angle controller is made of four angle disk, dial, cushion cap, connecting column parts from top to bottom；Angle
Spending turntable and dial is detaching structure, and size lower part cushion cap is larger, separates after fixed angle with L-type support；
The L bracket is divided into supporting part and overhanging part；Supporting part vertical direction, overhanging part are the horizontal side y
To；
The supporting part is vertically connected with overhanging part upwards, is passed downwardly through specific dimensions card slot and is nested in I-shaped lead
On rail, and it is fixed on I-shaped guide rail arbitrary orientation graduation position by fixed screw；
Described overhanging part one end is vertically connected with supporting part, and the other end is hanging；Overhanging part is equipped with concave shaped sliding slot,
Having precision on sliding slot two sides is the scale of 0.1mm, and numerical value increases to hanging one end；Sliding slot trench bottom is left a blank seam, width with hold
Platform equivalent width；There are the spies of specific dimensions (slit width is identical as fixed screw diameter) to stay seam for two sides, and it is half-open that spy, which stays seam,
Put formula, i.e., open at one end, other end closure；
The square that the I-shaped guide rail and rod piece surround is 100mm*100mm；The I-shaped rail length is
120mm；L-type support supporting part card slot width is 20mm, and overhanging partial-length is 120mm, width 20mm；Angle control dress
It sets the detachable angle disk in top and detachable dial diameters is 50mm.
The angle disk is welded by the different concentric cylinder vertical direction of two diameters, and top is to be relatively large in diameter circle
Column, lower part are diameter compared with small column；Dial be it is open, internal diameter agrees with cylindric turntable, reserves wide at the top and narrow at the bottom cylindric
Hole；Angle disk is nested with dial, is integrally formed turntable structure；Weld triangular pyramidal pointer, edge in angle disk top
Place is flushed with dial；Angle index is uniformly carved on dial, precision is 1 °.
The cushion cap is cube, and cushion cap accepts angle disk, and cushion cap top view is square, and middle part has along the vertical direction
One stair-stepping circular hole runs through on vertical direction, in upper coarse and lower fine；Cushion cap bottom edge and the overhanging part of L bracket are (sliding
Slot) contact, there are fixed screw holes at the position Te Liufeng of sliding slot two sides, cushion cap is run through in hole for cushion cap two sides；Fixed screw holes
Place sets fixed screw and nut, position of the tightening nut fixed bearing platform in the direction y, screwing screw, fixed middle part connecting column angle.
The connecting column is welded by the different solid cylinder vertical direction of diameter, and upper cylinder diameter lower part is big, and
In diameter compared with welding hollow sleeve below small column；There are screw hole, connecting column top solid post upper surfaces on hollow sleeve barrel
There are the linear type groove for crossing the center of circle, the linear type plate structure size extended downwardly with angle disk is harmonious, can be mutually nested；
Connecting column top solid cylinder is nested in the stair-stepping circular hole of cushion cap, and lower part passes through circular hole and inserting piece device phase
Even.
The inserting piece device top is solid cylinder, and outer diameter is identical as the internal diameter of the hollow cylinder of top connecting column, and
There are screw holes at the same position that hollow cylinder reserves screw hole；Inserting piece device lower part be laminated structure, according to thickness, length and
Of different size, inserting piece device divides different size；Inserting piece device top solid cylinder be inserted into connecting column hollow circuit cylinder and with fixation spiral shell
Silk is fixed.
Two symmetrical cylindrical projection geomeries of the cushion cap upper surface and reserved two of scale pan bottom are symmetrical
Shrinkage pool agrees with；Be welded with "-" type plate iron plate in angle disk bottom surface, plate iron plate is parallel with triangular pyramidal pointer, size and
The reserved card slot being arranged in position and connecting column top solid cylinder agrees with.
The L bracket number changeable, angle controller and inserting piece device number changeable.
The screw uses titanium alloy material, and device in addition to this integrally uses low-alloy steel.
A kind of arbitrary orientation multiple groups joint rock bridge preparation method of sample, comprising the following steps:
A. I-shaped guide rail bottom edge is put on sample box, device medial surface and sample box medial surface category same plane, rotation
The fastening screw on fixed board is fastened, device is fixed on sample box；
B. 3 groups of L brackets are nested into I-shaped guide rail respectively using card slot (8), and utilize fixed screw (7) by three
The center of pack support is fixed at 20mm, 50mm, 80mm；
C. respectively that three groups of hollow cushion caps (18) are nested with connecting column (15), then the cushion cap for respectively completing nesting and connection
Column (15) slides into from the open end of three groups of sliding slots, and installs inserting piece device (21) below connecting column (15), i.e., by inserted sheet top
Solid cylinder is inserted into the hollow cylinder of connecting column lower part, and connecting column lower hollow cylinder is reserved filled circles on the upside of screw hole and inserted sheet
It is screwed after the reserved screw hole alignment of column；Width need to be selected for the inserting piece device (21) of 20mm specification, in connecting column (15)
Before inserting piece device (21) are installed in lower section, one layer of lubricating oil need to be brushed on inserting piece device (21) surface, and equably wrap one layer of plastics
Film；
D. it uses at preliminary alignment length scale (20) 50mm in fastening screw (16) center, i.e. the symmetrical shaft position of sample box；
E. integrated turntable structure is inserted into respectively on three groups of cushion caps and reserves groove part, integrated turntable structure is connect with lower part
Column and inserting piece device form entirety, finally adjacent to avoid then respectively by the pointer regulation on angle disk to 30 ° of position
Bracket interacts, and integrated turntable structure vertical direction is lifted, is integrally taken away, can place three pieces in design position and set
Count the joint inserted sheet of width；Dial upper groove is directed at cylindrical bump on cushion cap to be placed on cushion cap, angle disk is put
Enter in dial indent hole, and place "-" type plate from scale disk center preformed hole, which is goed deep into pre- above connecting column
Stay in "-" type groove nested, rotation angle indicator screws fastening screw, make connecting column and lower part plate-inserting structure angle at 30 °
Degree no longer changes, and then screws the nut in fastening screw, changes cushion cap no longer in the position in direction, screw connecting column lower part
Screw on sleeve, fixes inserting piece device；
F. concrete is poured into device, after solidification, unclamp strap on fastening screw, whole removal device, i.e.,
It is 20mm, the parallel equidistant joint samples that corner is 30 ° that middle part, which can be obtained, three groups of width.
Before step F casting concrete, the brush lubricating oil on inserting piece device, and it is thin in surrounding uniformly to wrap up one layer of plastics
Film.
Compared with the prior art, the advantages of the invention are the device is practical simple, a variety of joints, the examination made can be made
Sample can be used in direct shearing test and true triaxial experiment, easy to use, precision is high, practicability is big, with this realize real simulation joint,
It improves working efficiency, reduce experimental error, Optimum Experiment result, the target for solving engineering problem.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention.
Fig. 3 is I-shaped guide rail side block diagram at A in Fig. 2.
Fig. 4 is L bracket overlooking structure figure at C in Fig. 2.
Fig. 5 is L bracket side block diagram at C in Fig. 2.
Fig. 6 is dial plate overlooking structure figure at D in Fig. 2.
Fig. 7 is angle controller and inserting piece device structure chart at E in Fig. 2.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
As shown in Figures 1 to 5, a kind of arbitrary orientation multiple groups joint rock bridge sample preparation device, including I-shaped guide rail
(1), fixed plate (4), L bracket (6), angle controller and inserting piece device (21)；The preparation facilities lower part is by two pair two
Two parallel I-shaped guide rails (1) and rod piece (3) form, square internal diameter that I-shaped guide rail (1) and rod piece (3) surround and
Sample box internal diameter is identical, and L bracket (6) is nested on I-shaped guide rail (1), and angle controller is fixed on L bracket (6)
On, inserting piece device (21) is fixed on angle controller by fastening screw, collectively forms the basic structure of device；
I-shaped guide rail (1) bottom surface is located on sample box (22), and has length both sides, and short side is in outside, long side
In inside, it is in same plane with sample box (22) medial surface, the scale (19) that precision is 0.1mm is carved on long side top surface；
The I-shaped guide rail (1) is structure as a whole with lower tie plate (4), and junction normal section is L shape, fixed plate
(4) it is stayed on there are three fastening screw hole (5), parallel equidistant is distributed in the middle part of fixed plate (4)；Fixed plate (4) medial surface and sample
The fitting of box (22) outer wall；
The angle controller is from top to bottom by angle disk (11), dial (10), cushion cap (18), connecting column (15)
Four parts form；Angle disk (11) and dial (10) are detaching structure, and size lower part cushion cap (18) is larger, in fixation
It is separated after angle with L-type support (6)；
The L bracket (6) is divided into supporting part (6-1) and overhanging part (6-2)；Supporting part (6-1) vertical direction,
Overhanging part (6-2) is the horizontal direction y；
The supporting part (6-1) is vertically connected with overhanging part (6-2) upwards, passes downwardly through specific dimensions card slot (8)
It is nested on I-shaped guide rail (1), and is fixed on I-shaped guide rail (1) arbitrary orientation graduation position by fixed screw (7)；
Overhanging part one end (6-2) is vertically connected with supporting part (6-1), and the other end is hanging；Overhanging part (6-2)
Equipped with concave shaped sliding slot (9), having precision on sliding slot (9) two sides is the scale (20) of 0.1mm, and numerical value increases to hanging one end；
Sliding slot (9) trench bottom is left a blank seam (2), width and cushion cap (18) equivalent width；There are specific dimensions (slit width and fixations for two sides
Screw diameter is identical) spy stay seam (13), it is semi open model, i.e., open at one end, other end closure that spy, which stays seam (13),；
The square that the I-shaped guide rail (1) and rod piece (3) surround is 100mm*100mm；The I-shaped guide rail
(1) length is 120mm；L-type support (6) supporting part card slot width is 20mm, and overhanging partial-length is 120mm, and width is
20mm；The detachable angle disk in angle controller top and detachable dial diameters are 50mm.
The angle disk (11) is welded by the different concentric cylinder vertical direction of two diameters, top be diameter compared with
Big cylinder, lower part are diameter compared with small column；Dial (10) be it is open, internal diameter agrees with cylindric turntable, reserves under upper width
Narrow cylindric hole；Angle disk (11) is nested with dial (10), is integrally formed turntable structure；The weldering of angle disk (11) top
Triangular pyramidal pointer (12) are connect, edge is flushed with dial；Angle index (25) are uniformly carved on dial (10), precision is
1°。
The cushion cap (18) is cube, and cushion cap (18) accepts angle disk (11), and cushion cap (18) top view is square,
There is a stair-stepping circular hole at middle part along the vertical direction, runs through on vertical direction, in upper coarse and lower fine；Cushion cap (18) bottom edge and L
The overhanging part (6-2) (sliding slot) of shape bracket (6) contacts, and cushion cap (18) two sides are stayed in sliding slot two sides spy and stayed at seam (13) position
There are fixed screw holes, cushion cap (18) are run through in hole；Fixed screw (16) and nut (17) are set at fixed screw holes, tightening nut is fixed
Position of the cushion cap (18) in the direction y, screwing screw, fixed middle part connecting column (15) angle.
The connecting column (15) is welded by the different solid cylinder vertical direction of diameter, upper cylinder diameter lower part
Greatly, and in diameter compared with welding hollow sleeve below small column；There are screw hole on hollow sleeve barrel, connecting column (15) top is solid
Column upper surface is there are the linear type groove for crossing the center of circle, the linear type plate structure size phase extended downwardly with angle disk (11)
It closes, it can be mutually nested；Connecting column (15) top solid cylinder is nested in cushion cap (18) stair-stepping circular hole, and lower part passes through
Circular hole is connected with inserting piece device (21).
Inserting piece device (21) top is solid cylinder, and outer diameter is interior with the hollow cylinder of top connecting column (15)
Diameter is identical, and there are screw holes at the same position that hollow cylinder reserves screw hole；Inserting piece device (21) lower part is laminated structure, according to
According to thickness, length and of different size, inserting piece device (21) divides different size；The insertion connection of inserting piece device (21) top solid cylinder
Column (15) hollow circuit cylinder is simultaneously fixed with fixed screw.
Two symmetrical cylindrical projection (14-2) geomeries of cushion cap (18) upper surface and dial (10) bottom
It reserves two symmetrical shrinkage pools and agrees in portion；"-" type plate iron plate (23-1), plate iron plate are welded in angle disk (11) bottom surface
(23-1) is parallel with triangular pyramidal pointer (12), and what is be arranged in size and position and connecting column (15) top solid cylinder is reserved
Card slot agrees with.
L bracket (6) the number changeable, angle controller and inserting piece device (21) number changeable.
The screw uses titanium alloy material, and device in addition to this integrally uses low-alloy steel.
A kind of arbitrary orientation multiple groups joint rock bridge preparation method of sample, comprising the following steps:
A. I-shaped guide rail (1) bottom edge is put on sample box, device medial surface and sample box medial surface category same plane,
The fastening screw (5) being tightened on plate (4), device is fixed on sample box；
B. 3 groups of L brackets are nested into I-shaped guide rail respectively using card slot (8), and utilize fixed screw (7) by three
The center of pack support is fixed at 20mm, 50mm, 80mm；
C. respectively that three groups of hollow cushion caps (18) are nested with connecting column (15), then the cushion cap for respectively completing nesting and connection
Column (15) slides into from the open end of three groups of sliding slots, and installs inserting piece device (21) below connecting column (15), i.e., by inserted sheet top
Solid cylinder is inserted into the hollow cylinder of connecting column lower part, and connecting column lower hollow cylinder is reserved filled circles on the upside of screw hole and inserted sheet
It is screwed after the reserved screw hole alignment of column；Width need to be selected for the inserting piece device (21) of 20mm specification, in connecting column (15)
Before inserting piece device (21) are installed in lower section, one layer of lubricating oil need to be brushed on inserting piece device (21) surface, and equably wrap one layer of plastics
Film；
D. it uses at preliminary alignment length scale (20) 50mm in fastening screw (16) center, i.e. the symmetrical shaft position of sample box；
E. integrated turntable structure is inserted into respectively on three groups of cushion caps (18) and reserves groove part, integrated turntable structure and lower part
Connecting column (15) and inserting piece device (21) formed it is whole, then respectively by the pointer regulation on angle disk (11) to 30 ° of position
It sets, finally to avoid interacting for adjacent stent, integrated turntable structure vertical direction is lifted, is integrally taken away, can set
Meter position places the joint inserted sheet of three pieces of design width；Dial upper groove (14-1) is aligned cylindric convex on cushion cap (18)
It rises and is placed on cushion cap (18), angle disk (11) is put into dial (10) indent hole, and from dial (10) center
"-" type plate is placed at preformed hole, which is goed deep into above connecting column (15) reserving nested in "-" type groove (23-2), rotation
Angle indicator screws fastening screw (16), changes connecting column (15) and lower part plate-inserting structure angle no longer, then at 30 °
The nut (17) in fastening screw is screwed, changes cushion cap (18) no longer in the position in direction, screws connecting column (15) lower part set
Screw (24) on cylinder, fixes inserting piece device (21)；
F. concrete is poured into device, after solidification, unclamp strap on fastening screw, whole removal device, i.e.,
It is 20mm, the parallel equidistant joint samples that corner is 30 ° that middle part, which can be obtained, three groups of width.
Before step F casting concrete, the brush lubricating oil on inserting piece device (21), and one layer of modeling is uniformly wrapped up in surrounding
Expect film.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of arbitrary orientation multiple groups joint rock bridge sample preparation device, it is characterised in that: fixed including I-shaped guide rail (1)
Plate (4), L bracket (6), angle controller and inserting piece device (21)；The preparation facilities lower part is two parallel by two pairs
I-shaped guide rail (1) and rod piece (3) composition, the square internal diameter and sample box internal diameter that I-shaped guide rail (1) surrounds with rod piece (3)
Identical, L bracket (6) is nested on I-shaped guide rail (1), and angle controller is fixed on L bracket (6), inserting piece device
(21) it is fixed on angle controller by fastening screw, collectively forms the basic structure of device；
I-shaped guide rail (1) bottom surface is located on sample box (22), and has length both sides, and short side is in outside, and long side is in
Inside is in same plane with sample box (22) medial surface, and the scale (19) that precision is 0.1mm is carved on long side top surface；
The I-shaped guide rail (1) is structure as a whole with lower tie plate (4), and junction normal section is L shape, in fixed plate (4)
It stays there are three fastening screw hole (5), parallel equidistant is distributed in the middle part of fixed plate (4)；Fixed plate (4) medial surface and sample box (22)
Outer wall fitting；
The angle controller is from top to bottom by angle disk (11), dial (10), cushion cap (18), connecting column (15) four
Part forms；Angle disk (11) and dial (10) are detaching structure, and size lower part cushion cap (18) is larger, in fixed angle
It is separated afterwards with L-type support (6)；
The L bracket (6) is divided into supporting part (6-1) and overhanging part (6-2)；Supporting part (6-1) vertical direction, overhanging
Partially (6-2) is the horizontal direction y；
The supporting part (6-1) is vertically connected with overhanging part (6-2) upwards, passes downwardly through specific dimensions card slot (8) nesting
It is fixed on I-shaped guide rail (1) arbitrary orientation graduation position on I-shaped guide rail (1), and through fixed screw (7)；
Overhanging part one end (6-2) is vertically connected with supporting part (6-1), and the other end is hanging；Overhanging part (6-2) is equipped with
Concave shaped sliding slot (9), having precision on sliding slot (9) two sides is the scale (20) of 0.1mm, and numerical value increases to hanging one end；Sliding slot
(9) trench bottom is left a blank seam (2), width and cushion cap (18) equivalent width；It is identical as fixed screw diameter that there are slit widths for two sides
Spy stay seam (13), it is semi open model, i.e., open at one end, other end closure that spy, which stays seam (13),；
The square that the I-shaped guide rail (1) and rod piece (3) surround is 100mm*100mm；I-shaped guide rail (1) length
For 120mm；L-type support (6) supporting part card slot width is 20mm, and overhanging partial-length is 120mm, width 20mm；Angle
The detachable angle disk in control device top and detachable dial diameters are 50mm.
2. a kind of arbitrary orientation multiple groups joint according to claim 1 rock bridge sample preparation device, it is characterised in that: described
Angle disk (11) is welded by the different concentric cylinder vertical direction of two diameters, and top is to be relatively large in diameter cylinder, lower part
It is diameter compared with small column；Dial (10) be it is open, internal diameter agrees with cylindric turntable, reserves cylindrical bore wide at the top and narrow at the bottom
Hole；Angle disk (11) is nested with dial (10), is integrally formed turntable structure；Weld triangular pyramidal in angle disk (11) top
Pointer (12), edge is flushed with dial；It is uniformly carved on dial (10) angle index (25), precision is 1 °.
3. a kind of arbitrary orientation multiple groups joint according to claim 1 rock bridge sample preparation device, it is characterised in that: described
Cushion cap (18) is cube, and cushion cap (18) accepts angle disk (11), and cushion cap (18) top view is square, and middle part is along vertical side
To there is a stair-stepping circular hole, run through on vertical direction, in upper coarse and lower fine；Cushion cap (18) bottom edge is outstanding with L bracket (6)
The contact of sliding slot in part (6-2) is chosen, cushion cap (18) two sides stay at seam (13) position that there are fixed screws in sliding slot two sides spy
Cushion cap (18) are run through in hole, hole；Fixed screw (16) and nut (17) are set at fixed screw holes, tightening nut fixed bearing platform (18) exists
The position in the direction y, screwing screw, fixed middle part connecting column (15) angle.
4. a kind of arbitrary orientation multiple groups joint according to claim 1 rock bridge sample preparation device, it is characterised in that: described
Connecting column (15) is welded by the different solid cylinder vertical direction of diameter, and upper cylinder diameter lower part is big, and diameter compared with
Hollow sleeve is welded below small column；There are screw hole on hollow sleeve barrel, connecting column (15) top solid post upper surface there are
The linear type groove for crossing the center of circle, the linear type plate structure size extended downwardly with angle disk (11) are harmonious, can be mutually nested；
Connecting column (15) top solid cylinder is nested in cushion cap (18) stair-stepping circular hole, and lower part passes through circular hole and inserted sheet
Device (21) is connected.
5. a kind of arbitrary orientation multiple groups joint according to claim 1 rock bridge sample preparation device, it is characterised in that: described
Inserting piece device (21) top is solid cylinder, and outer diameter is identical as the internal diameter of hollow cylinder of top connecting column (15), and in
There are screw holes at the same position of the reserved screw hole of empty cylinder；Inserting piece device (21) lower part be laminated structure, according to thickness, length and
Of different size, inserting piece device (21) divides different size；Inserting piece device (21) top solid cylinder is inserted into connecting column (15) hollow circle
Column is simultaneously fixed with fixed screw.
6. according to a kind of arbitrary orientation multiple groups joint rock bridge sample preparation device described in preceding claims 1, it is characterised in that:
Two symmetrical cylindrical projection (14-2) geomeries of cushion cap (18) upper surface and dial (10) bottom reserved two
A symmetrical shrinkage pool agrees with；Be welded with "-" type plate iron plate (23-1) in angle disk (11) bottom surface, plate iron plate (23-1) with
In parallel, the reserved card slot being arranged in size and position and connecting column (15) top solid cylinder agrees with triangular pyramidal pointer (12).
7. a kind of arbitrary orientation multiple groups joint according to claim 1 rock bridge sample preparation device, it is characterised in that: described
L bracket (6) number changeable, angle controller and inserting piece device (21) number changeable.
8. a kind of arbitrary orientation multiple groups joint according to claim 1 rock bridge sample preparation device, it is characterised in that: described
Screw uses titanium alloy material, and device in addition to this integrally uses low-alloy steel.
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| CN201510823732.5A CN105466741B (en) | 2015-11-24 | 2015-11-24 | A kind of arbitrary orientation multiple groups joint rock bridge sample preparation device |
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| CN201510823732.5A CN105466741B (en) | 2015-11-24 | 2015-11-24 | A kind of arbitrary orientation multiple groups joint rock bridge sample preparation device |
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| CN105466741B true CN105466741B (en) | 2019-03-29 |
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| 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 |
| CN106769341B (en) * | 2017-03-09 | 2019-03-12 | 河海大学 | A kind of rocks sample preparation device and preparation method containing blind joint |
| 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 |
| CN110208052B (en) * | 2018-08-07 | 2021-04-02 | 东北大学 | Transverse isotropic true triaxial rock sample manufacturing method |
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| CN111413171B (en) * | 2020-04-16 | 2021-06-01 | 武汉理工大学 | Method for manufacturing sample containing non-through cross joint |
| CN111487114A (en) * | 2020-04-26 | 2020-08-04 | 山东建筑大学 | Joint rock manufacturing die and method capable of adjusting size of test piece |
| CN111999139A (en) * | 2020-07-16 | 2020-11-27 | 青岛理工大学 | Die for forming multi-angle rock joint surface by splitting and joint sample manufacturing method |
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| CN103196717B (en) * | 2013-03-07 | 2015-07-29 | 同济大学 | A kind of rocks sample mould accurately locating packed type prefabricated crack |
| CN203561537U (en) * | 2013-11-22 | 2014-04-23 | 山东大学 | Even construction device for geotechnical engineering three-dimensional random fracture |
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