CN205607725U - Take and cut experimental system appearance device - Google Patents

Abstract

The utility model belongs to ground body mechanical test field provides one kind and can practice thrift the concrete quantity, conveniently takes out the take and cut experimental system appearance device of the sample behind the placing concrete simultaneously, and take and cut experimental system appearance device is including system appearance box, system appearance box meets through the one of which side and is the V -arrangement including two out -wainscots and two interior wallboards, two interior wallboards, and two corresponding settings in the both sides of two interior wallboards of out -wainscots become an upper portion open -ended V groove structure through two interior wallboards and two outer wall hoardings, for can dismantle the connection between out -wainscot and the interior wallboard. In addition, still through setting up corresponding screw thread post, billet and stay cord isotructure, adjust the position of rock mass sample through the stay cord. The utility model discloses can effectively reduce the concrete quantity to can be effectual when placing concrete carry out spacing restraint to the rock mass sample, it is accurate to ensure the rigidity of rock mass sample, can improve a system appearance success rate, and reduce taking the influence of cutting the test result accuracy.

Description

Carrying shear test sample preparation device

Technical field

This utility model belongs to rock mechanical test field, particularly relates to a kind of carrying shear test sample preparation device.

Background technology

Rock mechanical test is the technical way that geologist obtains rock mechanical character, and current rock mechanical is tried Test mainly have the test of carrying shear test, Point Load Tests, reisilometer, gravelly soil large-sized experiment, cone penetrometer test, direct shear test, Triaxial test etc., and carrying shear test among these refers to that portable type boxshear apparatus is tested, it is simple that it has instrumentation, it is not necessary to adopts With the rock sample of regular shape, peak value and the residual value shearing strength of rock mass discontinuity, soft rock, special soils can be measured simultaneously The advantage of parameter, is widely used in rock mechanical is tested.The accuracy of carrying shear test result has with the quality of made sample Direct relation, therefore, design is a kind of simple to operate, and sample preparation effect preferable carrying shear test sample preparation device just seems particularly necessary.

At present, carrying shear test sample preparation mainly has following three kinds of methods:

Method one: use cuboid box-like sample preparation device, structural plane side rock mass is put in sample preparation device, then waters coagulation Soil, after concrete setting a period of time, takes out sample and carries out the concrete casting of structural plane opposite side, treat opposite side concrete After solidification a period of time, dismounting sample preparation device completes sample preparation.Rock mass sample is directly put into and is carried out sample preparation in concrete by the method, Owing to rock mass self has constant weight, it is directly placed in concrete and will produce sedimentation, be easily caused concrete and penetrate into rock mass discontinuity In, or owing to generation is tilted by differential settlement structural plane, or cause in structural plane Transducers Embedded in Concrete, will result in sample preparation and lose Lose and affect the accuracy of carrying shear test result.

Method two: use cuboid box-like sample preparation device, and be provided with vertical screw support rock mass bottom rectangular box body device Sample；Its method supports rock mass sample for first adjusting vertical screw, then waters structural plane side rock mass, then seals knot with paraffin Structure face, the most directly pouring top rock mass, to be solidified after, dismounting sample preparation device completes sample preparation.The method is in Publication No. CN103234838B, disclosed in the document of entitled " experimental technique of a kind of prismatical joint structural plane shearing and device ", the party Method is improved for the shortcoming of said method one, is provided with vertical screw for supporting and limiting bottom rectangular box body device Rock mass processed, it is possible to resolve rock mass occurs the problem of sedimentation when placing concrete, and seals structural plane with paraffin in sample waters, Directly pouring top rock mass.But the method yet suffers from shortcoming: first, rock mass sample is mostly irregular rock mass, uses and hangs down Straight screw supports rock mass, and its operation is extremely complex, difficult, and sample preparation needs after completing to take out sample, the position of vertical screw Being equivalent to define cavity in mortar, concrete, on the one hand it make the bulk strength of mortar reduce, in later stage carrying shear test Possible mortar first produces destruction, causes test failure；On the other hand, due to the addition of vertical screw, cause screw and concrete In conjunction with, it is unfavorable for the taking-up of later stage concrete；Secondly, using paraffin to seal structural plane, paraffin may penetrate in structural plane, Reduce structural plane intensity, affect the accuracy of carrying shear test result；And, paraffin surface is the most satiny, fits with rock mass surface Can not be very tight, after using paraffin to seal structural plane, directly pouring top concrete will make part concrete mortar from paraffin Surface is penetrated in structural plane or oozes out sample preparation device, causes sample preparation failure or affects the accuracy of carrying shear test result.

Method three: use cuboid box-like sample preparation device, and be provided with the holder of clamping rock mass on rectangular box body device top Or clamping device；Replace the vertical screw in said method two by holder or clamping device, to play, rock mass is propped up Support, restriction effect；By first clamping rock mass with holder, placing concrete the most again, to be solidified after take out sample, then water Filling another part concrete, after another part solidifies, dismounting sample preparation device completes sample preparation.The method is in Publication No. CN102061685B, entitled " the anti-settling folder of structural fece sample in direct shearing test ", and Publication No. CN102410962A, In the document of entitled " portable field indoor dual-purpose rock mass discontinuity direct shearing test instrument ", all there is disclosure that holder or folder are set Hold mechanism.The method is improved for the shortcoming of said method one and method two, arranges at rectangular box body device top The component of clamping rock mass, replaces vertical screw, can avoid leaving a void in concrete, simultaneously facilitate the taking-up of concrete. But the method yet suffers from shortcoming: first, rock mass sample is mostly the rock mass of irregular, its surface irregularity, and corner angle divide Cloth, and rock mass shear direction is fixed-direction, i.e. can not change the clamping direction of rock mass, therefore, uses holder to go out After existing rock mass cannot clamp or clamp, rock mass still can be along the situation of clamping face slip；Secondly, holder is only capable of fixed clamp face side To, i.e. can only limit two sides of rock mass, and remaining both sides is not fixed, firm grip is the most unreliable；Further, rock mass tool Having constant weight, after using holder clamping rock mass, rock mass still may produce certain tenesmus along gravity direction.

It addition, above-mentioned three kinds of methods all use the sample preparation device of cuboid box-like, the sample preparation box of its placing concrete is all in cuboid Shape, so that the amount of placing concrete is more, and concrete will cause greatly as expendable consumed product, rectangle box body Waste；Secondly, the sample preparation box of cuboid, when the concrete using the directly mode of extracting to take out pouring, due to coagulation The face of soil contact is more, and the concrete watered is for the most upper and lower, thus is not easy to the concrete after taking out pouring；Further, Above-mentioned three kinds of methods do not arrange on sample preparation box corresponding grip structure, is therefore inconvenient to move and dismantle sample preparation device, dress Put topology layout unreasonable.

Utility model content

This utility model solves the technical problem that being to provide one can save concrete amount, simultaneously after convenient taking-up placing concrete The carrying shear test sample preparation device of sample；And effectively rock mass sample can be carried out spacing constraint when placing concrete, it is ensured that Fixing accurately to the position of rock mass sample, improve sample preparation success rate, and reduce the impact on carrying shear test result accuracy.

This utility model solves its technical problem the technical scheme is that carrying shear test sample preparation device, including sample preparation box, institute State sample preparation box and include that two pieces of exterior panels and two pieces of inside panels, two pieces of inside panels are connected by one side and V-shaped, two pieces of outer walls Plate is correspondingly arranged at the both sides of two pieces of inside panels, and the V-shaped groove being surrounded a upper opening by two pieces of inside panels and two pieces of exterior panels is tied Structure；For removably connecting between described exterior panel and inside panel.

Further: the side that two pieces of inside panels connect is removably connected by screw or is articulated and connected by hinge.

Further: on two pieces of exterior panels outside in opposite directions, be provided with handle, handle and exterior panel detachably connected by screw Connect.

Further: also include threaded post, steel bar and stay cord；One end of threaded post is connected on exterior panel and V-shaped groove structure Side corresponding to upper opening on, its other end extends straight up；Threaded post has four, and four threaded post are parallel to each other, And four rectangular distributions of threaded post；Steel bar has two, and the two ends of each steel bar are respectively arranged with adjustment hole,；Two tune Two pulling eyes spaced apart it are provided with between knothole；On same steel bar, the adjustment hole at two ends is respectively fitted in a threaded post, Threaded post below adjustment hole is provided with adjusting nut；Two steel bars are set parallel to each other；Each pulling eye is correspondingly arranged a stay cord, And one end of stay cord is connected with pulling eye, the other end of stay cord is connected with rock mass sample.

Further: also including bundle rope, rock mass sample is bound by described bundle rope by decussation binding mode, and cross Intersect and be positioned at rock mass sample top and bottom；One end of four stay cord connections corresponding with rock mass sample is connected to rock mass sample top Four bending parts of portion's bundle rope.

Further: described stay cord and bundle rope are iron wire or rope.

Further: also include two L-shaped gages that can freely ride between two pieces of exterior panels, on each L-shaped gage first The height H1 of limit measuring surface is 5mm, and the height H2 of its second limit measuring surface is 10mm.

The beneficial effects of the utility model are: had the sample preparation box of V-shaped groove structure by employing, can reduce concrete amount, with Time, due to its V-shaped structure, resistance when therefore taking out the concrete of cast is less, more conducively the taking-up of concrete.It addition, The exterior panel of sample preparation box and inside panel all can be removably connected by screw, and the most whole sample preparation box is detachably multi-sheets, Storage requisite space can be reduced, more convenient to carry and transport etc..And can be by arranging handle, it is simple to the movement to sample preparation box, And the disassembly and assembly to exterior panel.It addition, also by arranging the structures such as corresponding threaded post, steel bar and stay cord, pass through The position of stay cord regulation rock mass sample, on the one hand stay cord can be adjusted height by the lifting of steel bar and be easy to rock mass sample position Fine setting；On the other hand may also function as rock mass sample is lifted, can be prevented effectively under rock mass sample occurs when pouring into a mould concrete Heavy phenomenon；Owing to stay cord is distributed in the surrounding of rock mass sample, therefore preferable to the binding effect of rock mass sample, and it is right to be more convenient for It is finely adjusted.

Accompanying drawing explanation

Fig. 1 is the 3-D view of carrying shear test sample preparation device described in the utility model；

Fig. 2 is the 3-D view of steel bar；

Fig. 3 is the 3-D view of sample preparation box；

Fig. 4 is the 3-D view of L-shaped gage local；

Fig. 5 is the rock mass sample after tying up bundle rope and stay cord, i.e. schematic diagram after the carrying shear test method for making sample first step；

Fig. 6 is the schematic diagram after carrying shear test method for making sample the 4th step；

Fig. 7 is the schematic diagram after carrying shear test method for making sample the 5th step；

Fig. 8 be in carrying shear test method for making sample the 6th step take out take the schematic diagram cutting sample for half；

Fig. 9 is the schematic diagram after carrying shear test method for making sample the 9th step；

Figure 10 is the whole schematic diagram taken and cut sample；

Figure 11 is the front view of Figure 10；

Figure 12 is the enlarged diagram of regional area A in Fig. 6；

Figure is labeled as: sample preparation box 1, exterior panel 11, screw 111, inside panel 12, handle 2, threaded post 3, adjusting nut 31, steel bar 4, adjustment hole 41, pulling eye 42, stay cord 5, rock mass sample 6, structural plane 61, bundle rope 7, L-shaped gage 8, the Measuring surface the 81, second limit measuring surface 82, concrete 9, the height H1 of screw the 10, first limit measuring surface on one side, the second limit is surveyed Gap H3 between the height H2 in amount face, both sides concrete.

Detailed description of the invention

With detailed description of the invention, this utility model is further illustrated below in conjunction with the accompanying drawings.

Carrying shear test sample preparation device described in the utility model, including sample preparation box 1, described sample preparation box 1 includes two pieces of exterior panels 11 With two pieces of inside panels 12, two pieces of inside panels 12 are connected by one side and V-shaped, and two pieces of exterior panels 11 are correspondingly arranged at two The both sides of block inside panel 12, surround the V-shaped groove structure of a upper opening by two pieces of inside panels 12 and two pieces of exterior panels 11； For removably connecting between described exterior panel 11 and inside panel 12.

Wherein, the side that two pieces of inside panels 12 connect is removably connected by screw 10 or is articulated and connected by hinge.Use Screw 10 connects can conveniently be disassembled into polylith flat board, in order to carry；Certainly, the form using hinge hinged also can realize two pieces Stack after inside panel 12 upset, in order to carry.

In this utility model, two pieces of exterior panels 11 and two pieces of inside panels 12 should carry out group shown in accompanying drawing 1 and accompanying drawing 3 Dress, and, it should be guaranteed that the sealing of whole V-shaped groove structure is preferable after assembling, it is avoided that the seepage of later stage cast concrete is asked Topic；Certainly, after assembling, each edge of the upper opening of its whole V-shaped groove structure should be put down for exterior panel 11 and inside panel 12 Together, in order to convenient leveling during cast concrete.

It addition, in order to easily facilitate mobile and dismounting sample preparation box 1, can set on two pieces of exterior panels 11 outside in opposite directions further It is equipped with handle 2；The structure of handle 2 can be set to the L-shaped bending plate shown in accompanying drawing, and handle 2 and exterior panel 11 pass through screw Removably connect.

It addition, this utility model is further provided with threaded post 3, steel bar 4 and stay cord 5 on the basis of said structure；Screw thread One end of post 3 is connected on side corresponding with the upper opening of V-shaped groove structure on exterior panel 11, its other end vertically to Upper extension；Threaded post 3 has four, and four threaded post 3 are parallel to each other, and four rectangular distributions of threaded post 3；Steel bar 4 Having two, the two ends of each steel bar 4 are respectively arranged with adjustment hole 41, are provided with two intervals point between two adjustment holes 41 The pulling eye 42 of cloth；On same steel bar 4, the adjustment hole 41 at two ends is respectively fitted in a threaded post 3, below adjustment hole 41 Threaded post 3 is provided with adjusting nut 31；Two steel bars 4 are set parallel to each other；Each pulling eye 42 is correspondingly arranged a stay cord 5, And one end of stay cord 5 is connected with pulling eye 42, the other end of stay cord is connected with rock mass sample 6.Wherein, can be at exterior panel 11 On pre-set screw 111, the one end for threaded post 3 is installed；Threaded post 3 and adjusting nut 31 threaded engagement, this The height of corresponding steel bar 4 can be adjusted by sample by adjusting adjusting nut 31, and then realizes the regulation to stay cord 5, and Finally realize the adjustment to rock mass sample 6.Above-mentioned employing is simultaneously connected on four positions of rock mass sample 6 by four stay cords 5, Pulling force can be applied on four direction rock mass sample 6, and the gravity of rock mass sample 6 can be overcome so that it is sample preparation box can be suspended in The center position of 1, by using four stay cords 5 to draw hanging of rock mass sample 6, when on the one hand can avoid later stage cast concrete There is the situation of sedimentation in rock mass sample 6；On the other hand, the rotation of rock mass sample 6 is still prevented；And, also by regulation Each adjusting nut, is finely adjusted the position of rock mass sample 6.Certainly, in theory, this utility model also can use more Stay cord 5, to strengthen the binding effect to rock mass sample 6.

It addition, for the ease of being attached between stay cord 5 and rock mass sample 6, bundle rope 7, described bundle rope 7 can be arranged further By decussation binding mode, rock mass sample 6 is bound, and decussation is positioned at rock mass sample 6 top and bottom；Four One end of stay cord 5 connection corresponding with rock mass sample 6 is connected to four bending parts of rock mass sample 6 top bundle rope 7.

Certainly, above-mentioned stay cord 5 and/or bundle rope 7 can use common rope, it is possible to use thin wire；Wherein preferably employ thin ferrum Silk, because it is flexible, it is simple to bending, has preferable fixed effect simultaneously.It addition, bundle rope 7 also can use disposable bundle Band replaces.

It addition, in order to more effectively retrain rock mass sample 6, the gage 8 of L-shaped be may further be provided, L-shaped gage 8 generally sets It is equipped with two, by being ridden between two pieces of exterior panels 11, by the side on two L-shaped gages 8 by rock mass sample 6 Clamping, prevent rock mass sample from rotating, concrete mounting structure can refer to shown in accompanying drawing 1 and accompanying drawing 6.It is furthermore preferred that in order to fixed Amount adjusts the height of rock mass sample 6, and the height H1 that can arrange the first limit measuring surface 81 is 5mm, its second limit measuring surface 82 Height H2 be 10mm；So, when regulating the height and position of rock mass sample 6, can by adjusting after adjusting nut 31, The structural plane 61 on rock mass sample 6 is made to be adjusted to the upper of the first limit measuring surface 81 with L-shaped gage 8 or the second limit measuring surface 82 Edge, portion keeps flushing, such as shown in accompanying drawing 12, so, after cast concrete, structural plane 61 is apart from the table of concrete The distance in face is by the height value of measuring surface corresponding equal on L-shaped gage 8, such as, when using by the first limit measuring surface 81 respectively Being adjacent to when the both sides of rock mass sample 6, the corresponding structural plane 61 distance apart from the surface of concrete is H1, naturally, Now the gap H3 between the concrete of both sides is then equal to 2 × H1.

It addition, the method using carrying shear test sample preparation device described in the utility model to carry out sample preparation, carry out in accordance with the following steps, And specifically can refer to the structural representation after the multiple steps shown in accompanying drawing 5 to accompanying drawing 12 complete.

The first step, mark on rock mass sample 6 surface and structural plane 61 place plane with marking pen and intend carrying out the direction of carrying shear test, Then bundling mode with bundle rope 7 according to decussation, bound by rock mass sample 6, decussation bundle rope 7 cuts examination with taking of labelling Wherein one end of four stay cords 5 colligation respectively, in 45 °, is restricted 7 at rock mass sample 6 top in decussation bundle by proved recipe afterwards Four bending parts；Use marking pen labelling rock mass sample 6 and structural plane 61, in order to the later stage looks for structural plane 61 side of shearing To, and the position of later stage adjustment rock mass sample 6.

Second step, assembling sample preparation box 1 and installation threaded post 3 and steel bar 4, be placed on sample preparation box 1 on level ground；Two One layer of releasing agent is smeared in the inside face of the V-shaped groove structure that block inside panel 12 and two pieces of exterior panels 11 surround；Assembling process leads to Cross dismountable screw 10 and be coupled for later stage dismounting.It addition, the effect of releasing agent is for the later stage demoulding, the most optional With lubricating oil or other similar materials.It is furthermore preferred that after smearing one layer of releasing agent, also one layer can be covered on releasing agent again Paper, the more conducively demoulding, paper selects paraffin paper or common paper.

3rd step, rock mass sample 6 is placed in the middle part of V-shaped groove structure, and keeps direction and the exterior panel 11 of carrying shear test Direction is consistent；Depending on the direction of the carrying shear test of indication is according to structural plane 61 development characteristics herein, it is therefore desirable to combine reality Structural plane 61 developmental state depending on.

4th step, the other end of the stay cord 5 being already connected to one end on rock mass sample 6 connect with corresponding pulling eye 42, so respectively After the first limit measuring surface 81 of two L-shaped gages 8 is adjacent to respectively in the both sides of rock mass sample 6；Pass through adjusting nut afterwards 31 adjust steel bar 4 height, and simultaneously by the length after adjustment four stay cords 5 colligation, make the structural plane 61 of rock mass sample 6 Flush along holding with the upper edge of the first limit measuring surface 81 of two L-shaped gages 8, and make rock mass in sample preparation box 1 middle position； In this step, it should by adjusting adjusting nut 31, so that rock mass sample 6 arrives preferable position, specifically can refer to accompanying drawing Shown in 6.

5th step, injecting concrete 9 in V-shaped groove structure, marginal not enters concrete edge and uses and vibrate instrument vibrated concrete, directly Stop injecting concrete, the most smooth concrete surface during to the upper opening flush of concrete and V-shaped groove structure.

6th step, until previous step inject concrete 9 solidify and reach certain structural strength after, pull down stay cord 5, steel bar 4 and Threaded post 3, unscrews the screw 10 on exterior panel 11, then takes produced half and cuts sample taking-up.

7th step, will in the 6th step dismounting after threaded post 3 and steel bar 4 repeat second step, to carry out secondary assembling.

8th step, produced half is taken and cuts sample and be placed upside down on steel bar 4, by the first limit measuring surface of two L-shaped gages 8 81 are adjacent to respectively in the both sides of rock mass sample 6；Adjust steel bar 4 height by adjusting nut 31 afterwards, make rock mass sample 6 Structural plane 61 flushes along holding with the upper edge of the first limit measuring surface 81 of two L-shaped gages 8, and keeps rock mass at sample preparation box 1 middle position, the concrete 9 that adjustment top has solidified simultaneously aligns with lower section sample preparation box 1；In this step, by two steel Bar 4 supports half to take cuts sample, therefore should realize the regulation to steel bar 4 height by adjusting adjusting nut 31.Finally reach Align to adjusting the concrete 9 that solidified of top with lower section sample preparation box 1, to guarantee the concrete 9 first poured into a mould and to pour into a mould afterwards Concrete 9 can keep the concordance in direction, meanwhile, keeps structural plane 61 and the first limit measuring surface 81 of two L-shaped gages 8 Upper edge along keep flush.

9th step, repeat the 5th step, take with cast and cut second half concrete 9 of sample.

Tenth step, until previous step inject concrete 9 solidify and reach certain structural strength after, first pull down steel bar 4 and threaded post 3, then two pieces of exterior panels 11 of dismounting and two pieces of inside panels 12, produced whole taking can be cut sample taking-up.

11st step, by whole take cut sample place certain time, make the concrete 9 poured into a mould respectively in the 5th step and the 9th step equal After reaching sufficient intensity, whole taking is cut sample is put in carrying shear test instrument, cut off the bundle rope 7, Ji Kejin on rock mass sample 6 Row carrying shear test.

Wherein, at least it is spaced after the 5th step 24 hours and carries out the 6th step again；24 hours at least it are spaced again after the 9th step Carry out the tenth step.By the solidification of 24 hours, it can be ensured that the concrete after cast has certain structural strength.

It addition, after above-mentioned 7th step, before the 8th step, also can be first by the second limit measuring surface 82 of two L-shaped gages 8 Be individually positioned at the threaded post 3 of both sides, afterwards by adjusting nut 31 adjust steel bar 4 height to the second limit measuring surface 82 Upper edge along concordant.This benefit be the steel bar 4 of both sides can be realized preliminary levelling so that it is substantially adjust to sustained height, The amount trimmed taken after cutting sample for half is placed to reduce；And, when the height H2 using the second limit measuring surface 82 is 10mm, And during the structure that height H1 is 5mm of the first limit measuring surface 82, by such step, it can be ensured that final molding whole Take the middle of the gap H3 that the structural plane 61 cut in sample on rock mass sample 6 is located just between the concrete of both sides；The most attached Shown in Figure 11；Such position relationship more conducively later stage carries out carrying shear test.

Claims (7)

1. carrying shear test sample preparation device, including sample preparation box (1), it is characterised in that: described sample preparation box (1) includes two pieces of outer walls Plate (11) and two pieces of inside panels (12), two pieces of inside panels (12) are connected by one side and V-shaped, two pieces of exterior panels (11) it is correspondingly arranged at the both sides of two pieces of inside panels (12), is enclosed by two pieces of inside panels (12) and two pieces of exterior panels (11) Become the V-shaped groove structure of a upper opening；For removably connecting between described exterior panel (11) and inside panel (12).

2. carrying shear test sample preparation device as claimed in claim 1, it is characterised in that: the side that two pieces of inside panels (12) connect Removably connect by screw (10) or be articulated and connected by hinge.

3. carrying shear test sample preparation device as claimed in claim 1, it is characterised in that: two pieces of exterior panels (11) in opposite directions outside Being provided with handle (2) on side, handle (2) is detachably linked by screw with exterior panel (11).

4. the carrying shear test sample preparation device as described in claim 1,2 or 3, it is characterised in that: also include threaded post (3), Steel bar (4) and stay cord (5)；One end of threaded post (3) is connected on exterior panel (11) and the upper opening of V-shaped groove structure On corresponding side, its other end extends straight up；Threaded post (3) has four, and four threaded post (3) are parallel to each other, And the rectangular distribution of four threaded post (3)；Steel bar (4) has two, and the two ends of each steel bar (4) are respectively arranged with regulation Hole (41), is provided with two pulling eyes spaced apart (42) between two adjustment holes (41)；The upper two ends of same steel bar (4) Adjustment hole (41) be respectively fitted on a threaded post (3), adjustment hole (41) lower section threaded post (3) on be provided with tune Joint nut (31)；Two steel bars (4) are set parallel to each other；Each pulling eye (42) is correspondingly arranged a stay cord (5), and One end of stay cord (5) is connected with pulling eye (42), and the other end of stay cord is connected with rock mass sample (6).

5. carrying shear test sample preparation device as claimed in claim 4, it is characterised in that: also include bundle rope (7), described bundle rope (7) By decussation binding mode, rock mass sample (6) is bound, and decussation is positioned at rock mass sample (6) top and bottom； One end of four stay cord (5) connections corresponding with rock mass sample (6) is connected to rock mass sample (6) top bundle rope (7) Four bending parts.

6. carrying shear test sample preparation device as claimed in claim 5, it is characterised in that: described stay cord (5) and bundle rope (7) are equal For iron wire or rope.

7. carrying shear test sample preparation device as claimed in claim 4, it is characterised in that: also include that two can freely ride over outside two pieces L-shaped gage (8) between wallboard (11), the height H1 of the upper first limit measuring surface (81) of each L-shaped gage (8) is 5mm, the height H2 on its second limit measuring surface (82) are 10mm.