CN106124272A - A kind of analog material rock mass sample Among Intermittent Joints is accurately positioned producing device - Google Patents
A kind of analog material rock mass sample Among Intermittent Joints is accurately positioned producing device Download PDFInfo
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- CN106124272A CN106124272A CN201610621374.4A CN201610621374A CN106124272A CN 106124272 A CN106124272 A CN 106124272A CN 201610621374 A CN201610621374 A CN 201610621374A CN 106124272 A CN106124272 A CN 106124272A
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
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Abstract
The invention discloses a kind of analog material rock mass sample Among Intermittent Joints and be accurately positioned producing device, crack locating support base plate is arranged in parallel in the both sides of sample mould, it is anchored on sample preparation base plate by crack locating support anchor bolt, crack locating support is connected with crack locating support base plate by screw thread, crack radius rod is arranged in parallel with crack locating support base plate respectively and is screwed on four crack locating supports, the groove of crack radius rod is positioned opposite, crack located lateral bar is stuck in the groove of crack radius rod by the located lateral bar slide block at two ends, angle positioning device is stuck in the groove of located lateral bar lower end, crack by top square slider, realize crack by angle positioning device lower end steel disc to make.Simple in construction, easy to operate, it is effectively guaranteed efficiently making and abundantization of crack form of crack, largely facilitates different crack rock intensity and deformational behavior test, make the intermittent joints specifying parameter rapidly.
Description
Technical field
The present invention relates to Similar Material of Rockmass modeling techniques field, be more particularly to one and can regulate analog material rock
The geometric parameters such as body intermittent joints position, quantity, angle, length and aperture and can be accurately positioned its parameter crack make dress
Put.Be applicable to analog material rock mass sample, varying number and geometric format Among Intermittent Joints being accurately positioned and making.
Background technology
Mechanical property and engineering stability are had a significant impact by the cracks such as natural rock mass interrupting layer, joint.On the one hand,
The process of deformation and failure essence of rock mass is exactly crack germinating under the conditions of Engineering Disturbance, extends, interacts and through mistake
Journey, on the other hand, composes the complicated crack form deposited and changes rock mass stress, have impact on engineering rock mass further in rock mass
Failure mode and Instability.Therefore, strength characteristic and the failure mode of carrying out different cracks form rock mass have stronger theory
Meaning and construction value.
Crack rock laboratory test can be divided into true rock material and rock-like materials according to the difference of object of study at present
Two classes.Choosing so that result of the test is closer to engineering reality of true rock material.But, true rock mass specimen test is difficult
In repetition, and it is difficult to make various different cracks form.Therefore, the widely used rock-like materials of current desk research is simulated very
The physical mechanics behavior of real rock mass.In order to study geometric parameters of fissures to rock mass strength and the affecting laws of destructive characteristics, just need
Different geometric format and the crack of varying number is made in same rock mass sample.In recent years, lot of domestic and international scholar is also
In constantly propelling and development rock-like materials, crack is accurately positioned and manufacturing technology.Existing many scholars make dress in crack
Put design aspect and carried out substantial amounts of work, obtain many useful achievements and conclusion.
Existing crack producing device includes two kinds of fundamental types, and one is directly to insert steel disc in sample casting process
Pattern, another kind is the making pattern of pre-fixed through steel disc in sampling die.Above two pattern all exists
Weak point: 1. for first method, during steel disc inserts, position cannot be accurately positioned, thus causes actual crack shape
Formula with arrange parameter differences and cause follow-up theory analysis produce deviation.Additionally, due to the direction of insertion of steel disc is not fixed, pole
Easily cause steel disc insert during offset from perpendicular and sample preparation failure;2. for second method, by fixing in advance
The method of steel disc can solve the problem that the uncertainty of first method crack manufacturing process, but but limits crack quantity and position
Etc. parameter, generally require when above-mentioned parameter to be changed and again make whole set of die, cause waste of material.One the present invention relates to
Plant analog material rock mass sample Among Intermittent Joints and be accurately positioned producing device, it is possible to be accurately positioned position, crack and crack number can be regulated
The geometric parameters such as amount, angle, length and aperture, provide effective guarantee for making sample more accurately.
Summary of the invention
Present invention is primarily targeted at the deficiency improving above-mentioned technology, be to there are provided a kind of analog material rock mass examination
Sample Among Intermittent Joints is accurately positioned producing device, and simple in construction is easy to operate, can make the intermittent joints specifying parameter rapidly,
It is effectively guaranteed efficiently making and abundantization of crack form of crack, largely facilitates different crack rock intensity and change
Shape behavior test.
It is an object of the invention to be achieved through the following technical solutions:
A kind of analog material rock mass sample Among Intermittent Joints is accurately positioned producing device.It includes: the first crack locating support, second
Crack locating support, the first crack radius rod, the second crack radius rod, crack located lateral bar and crack angle
Positioner.It is characterized in that: two groups of crack locating support base plates are arranged in parallel in the both sides of sample mould, and fixed by crack
Position support anchor bolt is anchored on sample preparation base plate, is used for fixing radius rod.Four crack locating supports are by carrying
Screw thread is connected with crack locating support base plate and fixes.Described radius rod side is along being longitudinally provided with through groove, groove
It is arranged over scale, as the chute of described located lateral bar and it is positioned.Two groups of crack radius rods are respectively
It is arranged in parallel with two groups of crack locating support base plates and is screwed on four crack locating supports, wherein two groups of cracks
The groove of radius rod is positioned opposite.Crack located lateral bar is stuck in two groups of cracks by the located lateral bar slide block at two ends and indulges
In the through groove of T-shaped of location bar, and can move in parallel along the through grooved tracks of T-shaped.Crack angle positioner is by splitting
Clearance angle degree positioning sliding block, angle indicator, angle dial and expansion link assemble, crack angle positioning sliding block and angle indicator
Carry screw thread by filled circles mast and be connected with angle dial fixing.Expansion link is fixed at angle dial lower center,
And expansion link lower end is provided with screw hole and fixes for the connection of steel disc.Crack angle positioner is fixed by apical cleft angle
Position slide block is stuck among the crack angle positioning runner of located lateral bar lower end, crack, and can be along crack angle positioning runner track
Mobile.Steel disc transverse and longitudinal coordinate in sample mould can be changed by mobile crack located lateral bar and angle positioning device,
Thus realize being accurately positioned of position, crack.Concrete: carried out by the located lateral pole pair crack longitudinal coordinate described in sliding
Location, is positioned crack lateral coordinates by the crack angle positioner described in sliding.Described angle positioning device
It is connected with crack located lateral bar by crack angle positioning sliding block, determines the horizontal of crack by slip angle positioner
Coordinate.Described angle positioning device is provided with pointer, and described pointer lower end is provided with dials, true together with described pointer
Determine crack angle.Described dials lower end is provided with expansion link, and steel disc is bolted on described expansion link.Adjust
Length of telescopic bar described in joint, can be fixed on mould bottom surface by described steel disc.
Described the first crack locating support, the second crack locating support with mould while be arranged in parallel and be respectively arranged in
Mould both sides, and by bolt the first described crack locating support, the second crack locating support base plate be anchored at floor it
On.Described the first crack locating support, the second locating support base plate upper end, crack is provided with a pair has certain depth to contain female thread
Screw hole, cradling piece by described screw hole be connected with base plate fix.Shown cradling piece upper end is provided with screw thread, is used for connecting
Radius rod.Described radius rod side is vertically provided with two through holes, and through hole position is propped up with described
Hack lever is corresponding, and described cradling piece upper end is through the vertical through-via of described radius rod, and is screwed, by institute
The radius rod stated is connected with the first described crack locating support, the second crack locating support.Described radius rod
Opposite side is along being longitudinally provided with the through groove of T-shaped, and groove is arranged over scale, as the chute of described located lateral bar and to it
Position.Described the first crack radius rod, the second crack radius rod is arranged in parallel and T-shaped groove is relative to cloth
Put, and be separately fixed on the first crack locating support, the second crack locating support.The described located lateral bar two ends side of being provided with
Shape slide block, is stuck among two radius rod chutes.Described located lateral bar lower end is provided with through T-shaped groove, recessed
Groove is arranged over scale, as the chute of described crack angle positioner and positions it.
Described crack angle positioner is by crack angle positioning sliding block, angle indicator, dials and expansion link group
Become.It is stuck among the T-shaped chute of crack angle location, located lateral bar lower end by described crack angle positioning sliding block and realizes institute
The angle positioning device stated and the connection of located lateral bar.There is the finger of fixed-direction described crack angle positioning sliding block lower end
Pin, pointer has the graduated disc that can rotate with steel disc, and by graduated disc angle determined by pointer, can convert tapping
The angle of sheet.It is provided with expansion link fixed thereon below described graduated disc, steel disc height can be regulated also by expansion link
Fixing steel disc, and dials can be allowed to rotate coaxially with steel disc.
Making crack steel disc is hung on above mould by the present invention by crack locating support, and by radius rod and
Located lateral bar is accurately positioned the transverse and longitudinal coordinate of center, crack, is accurately adjusted crack angle by angle positioning device.Mould
Parts all use and are all bolted between stainless steel material, and base plate, crack locating support, radius rod and fix,
Form a unified entirety, strengthen system stability.
The present invention compared with prior art, has the following advantages and effect:
1. position, crack is accurately positioned.Crack of the present invention producing device is by radius rod, located lateral bar, angle location dress
Put and the steel disc central point transverse and longitudinal coordinate and angle that form crack can be accurately positioned by corresponding scale so that rock mass
Crack form makes and realizes consistent with design.Can be by the transverse and longitudinal coordinate in crack and Angle ambiguity at scale reading by said apparatus
Within error, and transverse and longitudinal error of coordinate controls within 1mm, and angular error controls within 1 °.
2. crack deviation is controlled.The direction of insertion of prior art steel disc is not fixed, and easily causes steel disc in the mistake inserted
In journey, offset from perpendicular causes sample preparation failure, and the present invention controls steel disc direction of insertion by vertical telescopic bar and realizes steel disc admittedly
Fixed, can effectively prevent the phenomenon of steel disc offset from perpendicular during insertion.Owing to expansion link has stronger rigidity, pass through
Controller perpendicularity can control the vertical extent of steel disc completely, and test shows, the vertical missing in crack can be controlled by this device
Within 1%.
The most complicated many cracks make.The present invention can realize the system in various geometric crack by conversion steel disc form
Make.Especially, for making many cracks situation, located lateral bar can be added in radius rod, it is also possible at same horizontal stroke
In the bar of location, add crack angle positioner, the system of arbitrarily complicated crack form can be realized by multiple combination simply
Making, this is that current all Among Intermittent Joints slit devices institute is irrealizable.The present invention designs exquisite, and for set sample preparation mould
Tool, crack locating support fix after without dismounting, simple to operate, can the geometry such as the accurate position in crack, quantity, direction
Parameter, improves sample and is prepared as power.
Accompanying drawing explanation
Fig. 1 is accurately positioned producing device structural representation for a kind of analog material rock mass sample Among Intermittent Joints.
Fig. 2 is a kind of crack locating support schematic diagram.
Fig. 3 is a kind of radius rod structural representation.
Fig. 4 is a kind of radius rod side view.
Fig. 5 is a kind of located lateral bar front view.
Fig. 6 is a kind of crack angle positioning device structure figure.
Fig. 7 is a kind of graduated disc schematic diagram.
In figure, 1 is sample preparation base plate, and 2 is sample mould, and 3 is crack locating support base plate, and 4 anchor for crack locating support
Bolt, 5 is crack locating support bar, and 6 is crack radius rod, and 7 is crack located lateral bar, and 8 is crack angle location dress
Putting, 9 is crack locating support anchor hole, and 10 is crack radius rod anchor hole, 11 crack longitudinal register scales, and 12 is T
The through groove of shape, 13 located lateral bar slide blocks, 14 crack positioning runners, 15 is crack angle positioning sliding block, and 16 is angle
Pointer, 17 is angle dial, and 18 is expansion link, and 19 is steel disc, and 20 is angle index.
Detailed description of the invention
Embodiment 1:
The present invention is further detailed explanation below in conjunction with the accompanying drawings.
A kind of analog material rock mass sample Among Intermittent Joints is accurately positioned producing device.It by sample preparation base plate 1, sample mould 2,
Crack locating support base plate 3, crack locating support anchor bolt 4, crack locating support bar 5, crack radius rod 6, crack
Located lateral bar 7, crack angle positioner 8, crack locating support anchor hole 9, crack radius rod anchor hole 10, crack
Longitudinal register scale 11, the through groove of T-shaped 12, located lateral bar slide block 13, crack angle positioning runner 14, crack angle position
Slide block 15, angle indicator 16, angle dial 17, expansion link 18, steel disc 19, angle index 20 form.As it is shown in figure 1, it is even
The relation of connecing is: two groups of crack locating support base plates 3 are arranged in parallel in the both sides of sample mould 2, and by crack locating support anchor
Fixing bolt 4 is anchored on sample preparation base plate 1.Four crack locating supports 5 are by connecting with crack locating support base plate 3 from threaded
Connect and fix.Two groups of crack radius rods 6 are arranged in parallel with two groups of crack locating support base plates 3 and are screwed respectively
On four crack locating supports 5, wherein the groove of two groups of crack radius rods 6 is positioned opposite.Crack located lateral bar 7 leads to
The located lateral bar slide block 13 crossing two ends is stuck in the through groove of T-shaped 12 of two groups of crack radius rods 6, and can be along T-shaped
Through groove 12 parallel track moves.Crack angle positioner 8 is by crack angle positioning sliding block 15, angle indicator 16, angle
Graduated disc 17 and expansion link 18 assemble, and crack angle positioning sliding block 15 and angle indicator 16 carry spiral shell by filled circles mast
Stricture of vagina is connected fixing with angle dial 17.Expansion link 18 is fixed at angle dial 17 lower center, and expansion link 18 lower end
It is provided with screw hole to fix for the connection of steel disc 19.Crack angle positioner 8 is by apical cleft angle positioning sliding block 15
It is stuck among the crack angle positioning runner 14 of located lateral bar 7 lower end, crack, and can be along crack angle positioning runner 14 track
Mobile.The steel disc 19 transverse and longitudinal in sample mould 2 can be changed by mobile crack located lateral bar 7 and angle positioning device 8
Coordinate, thus realize being accurately positioned of position, crack.
Apparatus of the present invention comprise two groups of crack locating supports, and often group crack locating support is by crack locating support base plate 3, two
Root crack locating support anchor bolt 4 and two crack locating support bars 5 are formed by connecting.Wherein, crack locating support base plate 3 leads to
Crossing two crack locating support anchor bolts 4 and be anchored on sample preparation base plate 1, two crack locating support bars 5 are by carrying spiral shell
Stricture of vagina symmetry is fixed on the both sides of crack locating support base plate 3, as shown in Figure 2.Accordingly, apparatus of the present invention comprise two groups of cracks indulge
To location bar 6, as shown in Figure 3,4, often two the most through bolts connections are contained in group radius rod 6 side, crack
Hole 10, its position is corresponding with locating support bar 5 position, two cracks.Two crack locating support bars 5 are each passed through above-mentioned
Two bolt connecting holes 10 also use screw pretension, it is achieved the connection of crack radius rod 6 and crack locating support is fixed.This
Bright device can realize the making in many cracks, when making many cracks, need to arrange many group cracks located lateral bar 7 and crack angle
Positioner 8, its mounting means and one group of crack located lateral bar 7 and crack angle positioner 8 are identical.As it is shown in figure 5, split
Gap located lateral bar 7 two ends comprise two square sliders 13, and its lower end is the most through crack angle positioning runner 14.Split
Gap located lateral bar 7 is arranged between two groups of crack radius rods 6 and two ends square slider 13 can be respectively clamped into two groups of cracks
Among the through groove of T-shaped 12 of radius rod 6, it is achieved the installation of crack located lateral bar 7 and along the through groove of T-shaped 12 from
By moving.As it is shown in fig. 7, crack angle positioner 8 is by crack angle positioning sliding block 15, angle indicator 16, angle dial
17 and expansion link 18 assemble.Wherein, crack angle positioning sliding block 15 lower end is solid cylinder connecting rod and from threaded, angle
Degree pointer 16 is welded on solid cylinder body rod center.There is certain depth band female thread circular hole at angle dial 17 center, with crack
Angle positioning sliding block 15 lower end solid cylinder connecting rod is corresponding.Crack angle positioning sliding block 15 and angle indicator 16 pass through filled circles
Mast from threaded be connected with angle dial 17 fixing.Expansion link 18 is fixed at angle dial 17 lower center, and stretches
Contracting bar 18 lower end is provided with screw hole and fixes for the connection of steel disc 19.Flexible by expansion link 18 can regulate steel disc 19 institute
At height and realize crack in a mold fixing, drive angle dial 17 to rotate by rotating steel disc 19, and pass through angle
Pointer 16 accurately determines angle residing for crack.By slip located lateral bar 7, steel disc 19 can be driven along longitudinal sliding motion, and lead to
Cross crack longitudinal register scale 11 and accurately determine steel disc 19 central point longitudinal coordinate.By slip crack angle positioner 8, can
To drive steel disc 19 transversely to slide, and accurately determine steel disc central point lateral coordinates by crack located lateral scale.
Specific implementation process:
1, Single Fracture sample
Using rocks specimen size is 60mm × 40mm × 120mm, and sample material uses cement mortar, and prefabricated crack type is
Through Single Fracture, crack is centrally located at sample center, 45 ° of inclination angle, length 20mm, thickness 0.1mm.Make this crack and need two groups
Crack locating support, two groups of crack radius rods, 7, one group of crack angle positioner 8 and of 6, one group of crack located lateral bar
A piece crack makes steel disc.A kind of analog material rock mass sample Among Intermittent Joints is accurately positioned producing device using method and specifically walks
Suddenly it is:
(1) 2 group of crack locating support base plate 3 is arranged in parallel, and by crack locating support anchor bolt 4 by crack locating support
Base plate 3 is anchored on sample preparation base plate 1;
(2) crack locating support bar 5 is fixed on crack locating support base plate 3, and by two groups of crack radius rods 6
It is fixed on crack locating support bar 5, cross crack is snapped in location bar 7 the crack longitudinal register of two groups of opposing parallel settings
Among bar 6, and crack angle positioner 8 is snapped in the groove 14 under crack located lateral bar 7;
(3) range difference between sample lower left corner angle point and horizontal longitudinal rod scale zero in sampling die is measured;
(4) slip crack located lateral bar 7 and crack angle positioner 8 so that it is scale value is measured distance in step (3)
Increase 60mm and 30mm on the basis of difference respectively, rotate steel disc 19, adjust crack angle and be 45 ° and fix;
(5) after the cement mortar of certain proportioning being stirred, it is poured slowly in mould and fully vibrates and strike off, then adjust and stretch
Contracting pole length, vertically inserts in the cement mortar before solidification by the above-mentioned steel disc 19 determining position and angle so that it is
Completely through, then shorten length of telescopic bar, extract steel disc, outside mobile crack located lateral bar 7 to die region;
(6) after the complete molding of sample, the sample made also is taken out by form removal, and under the conditions of corresponding, maintenance is to designing age
Phase;
(7), after sample maintenance well, sample positive and negative both sides center, crack coordinate and crack actual angle are measured for screening
The crack that actual fabrication goes out and the difference and the crack deviation situation that design geometric parameters of fissures.Test shows, by this device
The crack error of coordinate produced can control within 1mm, and angular error can control within 1 °, and vertical missing controls
Within 1%.
2, three crack sample
Using rocks specimen size is 60mm × 40mm × 120mm, and sample material uses cement mortar, and prefabricated crack type is
Through three cracks, with the sample lower left corner as zero, crack 1 is centrally located at sample center, with 45 ° of horizontal direction inclination angle, length
Degree 20mm, thickness 0.2mm, crack 2 transverse and longitudinal coordinate is respectively 40mm and 80mm, with 30 ° of horizontal direction inclination angle, length 20mm, thickness
Degree 0.1mm, crack 3 transverse and longitudinal coordinate is respectively 20mm and 50mm, with 90 ° of horizontal direction inclination angle, length 10mm, thickness 0.1mm.System
Make this crack and need two groups of crack locating supports, 7, three groups of cracks of 6, one group of crack located lateral bar of two groups of crack radius rods
Angle positioning device 8 and 3 cracks make steel disc.A kind of analog material rock mass sample Among Intermittent Joints is accurately positioned producing device to be made
By method and concretely comprise the following steps:
(1) 2 group of crack locating support base plate 3 is arranged in parallel, and by crack locating support anchor bolt 4 by crack locating support
Base plate 3 is anchored on sample preparation base plate 1;
(2) being separately fixed on the expansion link in three groups of crack angle positioners 8 by three groups of steel discs, three groups of crack angles are fixed
The most corresponding crack 1 of position device 8, crack 2 and crack 3;
(3) crack locating support bar 5 is fixed on crack locating support base plate 3, and by two groups of crack radius rods 6
It is fixed on crack locating support bar 5, cross crack is snapped in location bar 7 the crack longitudinal register of two groups of opposing parallel settings
Among bar 6, and first group of crack angle positioner 8 is snapped in the groove 14 under crack located lateral bar 7;
(4) range difference between sample lower left corner angle point and horizontal longitudinal rod scale zero in sampling die is measured;
(5) slip crack located lateral bar 7 and first group of crack angle positioner 8 so that it is scale value is measured in step (4)
Increase 60mm and 30mm on the basis of taking range difference respectively, rotate steel disc 19, adjust crack angle and be 45 ° and fix;
(6) after the cement mortar of certain proportioning being stirred, it is poured slowly in mould and fully vibrates and strike off, then adjust and stretch
Contracting pole length, vertically inserts in the cement mortar before solidification by the above-mentioned steel disc 19 determining position and angle so that it is
Completely through, then shorten length of telescopic bar, extract steel disc, outside mobile crack located lateral bar 7 to die region;
(7) take off first group of crack angle positioner 8, second group of crack angle positioner 8 is snapped in crack located lateral
In groove 14 under bar 7, slip crack located lateral bar 7 and second group of crack angle positioner 8 so that it is scale value is in step
(4) increase 80mm and 40mm on the basis of measured range difference respectively, rotate steel disc 19, adjust crack angle and be 0 ° and consolidate
Fixed.Adjust length of telescopic bar, the above-mentioned steel disc 19 determining position and angle is vertically inserted the cement bonded sand before solidification
In slurry so that it is completely through, then shorten length of telescopic bar, extract steel disc, outside mobile crack located lateral bar 7 to die region;
(8) take off second group of crack angle positioner 8, the 3rd group of crack angle positioner 8 is snapped in crack located lateral
In groove 14 under bar 7, slip crack located lateral bar 7 and the 3rd group of crack angle positioner 8 so that it is scale value is in step
(4) increase 50mm and 20mm on the basis of measured range difference respectively, rotate steel disc 19, adjust crack angle and be 90 ° and consolidate
Fixed.Adjust length of telescopic bar, the above-mentioned steel disc 19 determining position and angle is vertically inserted the cement bonded sand before solidification
In slurry so that it is completely through, then shorten length of telescopic bar, extract steel disc, outside mobile crack located lateral bar 7 to die region;
(9) after the complete molding of sample, the sample made also is taken out by form removal, and under the conditions of corresponding, maintenance is to designing age
Phase;
(10), after sample maintenance well, sample positive and negative both sides center, crack coordinate and crack actual angle are measured for screening
The crack that actual fabrication goes out and the difference and the crack deviation situation that design geometric parameters of fissures.Test shows, by this device
The crack error of coordinate produced can control within 1mm, and angular error can control within 1 °, and vertical missing controls
Within 1%.
Claims (4)
1. analog material rock mass sample Among Intermittent Joints is accurately positioned a producing device, and it includes sample preparation base plate (1), sample mould
(2), crack locating support base plate (3), crack locating support anchor bolt (4), crack locating support bar (5), crack is longitudinally fixed
Position bar (6), crack located lateral bar (7), crack angle positioner (8), crack locating support anchor hole (9), crack are longitudinally
Location bar anchor hole (10), the through groove of T-shaped (12), located lateral bar slide block (13), crack angle positioning runner (14), crack
Angle positioning sliding block (15), it is characterised in that: two groups of cracks locating support base plate (3) are arranged in parallel two with sample mould (2)
Side, is anchored on sample preparation base plate (1) by crack locating support anchor bolt (4), and four crack locating supports (5) pass through screw thread
Be connected with crack locating support base plate (3), two groups of crack radius rods (6) respectively with two groups of cracks locating support base plate (3)
It is arranged in parallel and is screwed on four crack locating supports (5), the wherein groove of two groups of crack radius rods (6)
Positioned opposite, crack located lateral bar (7) is stuck in two groups of crack radius rods by located lateral bar slide block (13) at two ends
(6), in the through groove of T-shaped (12), crack angle positioner (8) is by crack angle positioning sliding block (15), angle indicator
(16), angle dial (17) and expansion link (18) assembling, crack angle positioning sliding block (15) and angle indicator (16) are by real
Heart cylindrical bar is connected with angle dial (17) from threaded, and expansion link (18) is fixed on angle dial (17) lower end, crack
Angle positioning device (8) is stuck in the fracture angle of located lateral bar (7) lower end, crack by apical cleft angle positioning sliding block (15)
In degree positioning runner (14).
A kind of analog material rock mass sample Among Intermittent Joints the most according to claim 1 is accurately positioned producing device, its feature
Be: described device comprises two groups of crack locating supports, often group crack locating support by crack locating support base plate (3), two
Root crack locating support anchor bolt (4) and two cracks locating support bar (5) connect, wherein, and crack locating support base plate (3)
Being anchored on sample preparation base plate (1) by two cracks locating support anchor bolt (4), two cracks locating support bar (5) are passed through
Screw thread symmetry is fixed on the both sides in crack locating support base plate (3).
A kind of analog material rock mass sample Among Intermittent Joints the most according to claim 1 is accurately positioned producing device, its feature
It is: described device comprises two groups of crack radius rods (6), and often two edges are contained in group radius rod (6) side, crack
The bolt connecting hole (10) that vertical direction is through, its position is corresponding with locating support bar (5) position, two cracks, splits two
Gap locating support bar (5) is each passed through above-mentioned two bolt connecting holes (10) and uses screw pretension, crack radius rod (6) with
Crack locating support bar (5) connects.
A kind of analog material rock mass sample Among Intermittent Joints the most according to claim 1 is accurately positioned producing device, its feature
It is: described located lateral bar (7) two ends, crack comprise two square sliders (13), and its lower end is the most through crack
Angle positioning runner (14), crack located lateral bar (7) is arranged between two groups of crack radius rods (6), the square cunning in two ends
Block (13) can be respectively clamped in the through groove of the T-shaped (12) of two groups of crack radius rods (6).
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CN201610621374.4A CN106124272B (en) | 2016-08-02 | A kind of analog material rock mass sample Among Intermittent Joints accurate positioning producing device |
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CN201610621374.4A CN106124272B (en) | 2016-08-02 | A kind of analog material rock mass sample Among Intermittent Joints accurate positioning producing device |
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CN106124272B CN106124272B (en) | 2019-07-16 |
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