CN105277406B - Mould for making different angle class fissure rock test specimen and preparation method thereof - Google Patents
Mould for making different angle class fissure rock test specimen and preparation method thereof Download PDFInfo
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- CN105277406B CN105277406B CN201510735920.2A CN201510735920A CN105277406B CN 105277406 B CN105277406 B CN 105277406B CN 201510735920 A CN201510735920 A CN 201510735920A CN 105277406 B CN105277406 B CN 105277406B
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Abstract
A kind of to be used to make mould of different angle class fissure rock test specimen and preparation method thereof, mold shell is the square uncovered box body surrounded by bottom plate, front and rear side plate and left side plate, corresponding perforate among front and rear side plate, each rotation of installation one slot in hole；It is the integrally formed T-shaped structure for including frid and the connecting screw from plate bottom vertical projections to rotate slot；Frid is arranged in box body, and connecting screw is stretched out from the hole on preceding back side panel respectively, and end is fixed with nut；Simulation frame in crack is accompanied between two slots, frame two is respectively in groove；Crack simulation frame is made up of the paper slip of iron frame and inframe, and in netted, two is attached to frame along upper for paper slip arrangement.The angle of crack simulation frame can be arbitrarily adjusted during use as needed, rocks material for test is poured into mould after angle-determining, is fabricated to different angle class fissure rock test specimen.The present invention can fast and easy, adjust crack dip exactly, it is simple in construction, be easily assembled to, convenient disassembly, repeat utilize.
Description
Technical field
It is more particularly to a kind of to incline for making difference the present invention relates to fissure rock layer during similar model test technical field
Mould of angle class fissure rock test specimen and preparation method thereof.
Background technology
Substantial amounts of, random natural defect in rock be present, as a kind of heterogeneous multiphase composite construction, it deforms broken
Bad Laws of Mechanics is mainly influenceed by the surrounding environment mode of action；The destruction mechanical characteristic of rock is extremely complex, and the ground being subject to should
Power is different with project management model, and mechanical response form has significant difference, has non-linear, discontinuous and anisotropic spy
Point.Engineering practice shows that the unstability of rock mass engineering project, most of is as caused by extending the defects of its internal joint or crack.Cause
This, the physical and mechanical property such as stress, stress-strain or destruction etc. for furtheing investigate rock mass are very necessary work, particularly
Engineering rock mass mechanical characteristics, mechanics parameter and failure mechanism, there is directive function to engineering practice.
In order to test and inquire into the characteristics of deformation and strength of the rock mass containing joint plane, research method main at present is tried for model
Proved recipe method.However, when carrying out model investigation to the rock material containing joint plane, the making of rocks test block is very tired
It is difficult.Current model test method is as the material for making rocks test block using concrete or gypsum.Existing process causes
Rock fracture surface model upper lower burrs degree of agreement is poor, it is impossible to reflects the truth of fissure-plane；And the surface shape in rock fracture face
An important factor for state is its shearing strength of influence, therefore larger error can be caused to experimental result.Fissure-plane positioning difficulty is big, often
Fissure-plane parameter of adjustment need to remake model, and operating efficiency is low, the process-cycle is long and wastes cast material.It is it is difficult to accurate
The position of fissure-plane, inclination angle etc. in rocks test block are simulated, causes the accuracy of test block low, influences the reliability of test data.
The content of the invention
To overcome above-mentioned the deficiencies in the prior art, the present invention provides a kind of for making different angle class fissure rock test specimen
Mould and preparation method thereof, its making is easy to process, simple in construction, it is repeatable utilize, cost is low and work flow is succinct
The model that rocks for making different crack dips are tested.
To realize above-mentioned technical purpose, the present invention adopts the following technical scheme that：
A kind of mould for being used to make different angle class fissure rock test specimen, it is characterised in that：Including one by bottom plate, preceding
The square uncovered box body that back side panel and left side plate surround；One is had on the middle correspondence position of the front and rear side plate
Preformed hole, each one rotation slot of installation in the preformed hole；The T-shaped metal structure that the rotation slot is formed in one, bag
Include frid and the connecting screw from frid plane perpendicular projection；The frid is arranged on tray interior, and its bottom surface is close in box body
Side, frid outside are provided with notch, and two notches of front and rear side plate are arranged oppositely；The connecting screw is respectively from preceding back side panel
Preformed hole in stretch out, be exposed at the end on the outside of box body and be rotary with fixing nut, realize that the connection of rotation slot and front and rear side plate is consolidated
It is fixed；The crack rotated with rotation slot, which is accompanied, between two rotation slots of the front and rear side plate simulates frame, the crack
Simulate the distance between the length of frame and the bottom lands of two rotation slots to be adapted, its two frame is embedded in two rotary insertions respectively
In the groove of groove；The crack simulation frame is made up of the iron frame of rectangle with the paper slip being attached in iron frame, and the paper slip is uniformly handed over
In netted, two of paper slip is attached to the frame of iron frame along upper for fork arrangement.
As the preferred technical solution of the present invention, on the lateral surface of the front and rear side plate, corresponding to preformed hole on position
Be carved with angle or post dial, the center drilling of the dial, perforate overlapped with preformed hole and size and preformed hole it is big
It is small to be adapted；Accordingly, the angled sign of dial band of position is higher by the connecting screw.
Preferably, the angle sign be engraved on connecting screw mark point, parallel to connecting screw axis
Marking line or prominent indicator from connecting screw.
Further, the frid of the rotation slot is disc or rectangle, and notch thereon is strip, rotates slot
Material can be wolfram steel, alloy or cast iron.
Preferably, spiral shell is passed through between two ends of the remote connecting screw of the rotation slot and corresponding front and rear side plate
Silk further reinforces connection.
Preferably, the rotation slot can be close to front and rear side plate interior sides, and the front and rear side plate is flat surface；Rotary insertion
Groove can also bottom be embedded in front and rear side plate, the medial surface of the corresponding front and rear side plate be provided with using the center of connecting screw as
The center of circle, circular depressed of the most long radius of turn as radius to rotate slot.
Preferably, hex nut and gland are additionally provided between the dial and fixing nut, the fixing nut is lid
Cap nut.
It is furthermore preferred that the paper slip is uniformly arranged along the both direction interval on certain one side for being parallel and perpendicular to iron frame respectively
Cloth, it is netted to form uniform crossed grid.
Can be wolfram steel, alloy or cast iron it is furthermore preferred that the bottom plate, front and rear side plate are identical with the material of left side plate,
Connection between the adjacent panels of the bottom plate, front and rear side plate and left side plate connects for tongue and groove, and uses screw bolt reinforcing.
Moreover, it relates to the above-mentioned preparation method for being used to make the mould of different angle class fissure rock test specimen,
It is characterised in that it includes following steps：
Step 1: prepare material and test instrument：Including bottom plate, front and rear side plate, left side plate, rotation slot and associated
The making and preparation of fitting；
Step 2: installation dial：Preformed hole is opened in front and rear side plate correspondence position, dial is installed on the outside of preformed hole；
Step 3: make crack simulation frame：Waste paper is cut into the paper slip of same width with reference to different experiment demands, and
By same spacing be compiled into it is latticed be fixed in iron frame, formed crack simulation frame；
Step 4: the square uncovered box body of composition model：Square no hamper is surrounded by bottom plate, front and rear side plate and left side plate
Body, the connection between the adjacent panels of bottom plate, front and rear side plate and left side plate is tongue and groove connection, and uses screw bolt reinforcing；
Step 5: installation rotation slot：Lubricating oil in side brush, is installed in the preformed hole of front and rear side plate in model box body
Rotate slot；
Step 6: installation crack simulation frame：By in the rotation slot of side plate before and after crack simulation frame insertion model, connecting
Fixing nut is installed temporarily but not fastened in the end of screw rod；
Step 7: adjustment rotation slot：Required angle is arrived into rotation slot regulation, is finally fastened and fixed nut and screw
Rotation slot and front and rear side plate are fixed；
Step 8: pour rocks material for test：Rocks material for test is poured into the mould made, is fabricated to not
With inclination angle class fissure rock test specimen.
Compared with prior art, the technical advantages of the present invention are that：
（1）Inventive die is simple in construction, easy to process, assembling, convenient disassembly, repeatable utilization, effectively save material,
Reduce cost；
（2）Inventive die can realize that crack is simulated the angle between frame and model left side plate and tried by rotating slot
The inclination angle at joint in block, it is convenient and swift so as to simulate different dip of joints；
（3）Model of the present invention make it that the Making programme of different angle class fissure rock test specimen is succinct, improves test material preparation
Efficiency, adjusted, configured with the rock behavio(u)r in real engineering compared with meeting according to the calculating of the theory of similarity and experiment repeatedly
Rock-like materials, the fissure rock test specimen of compound Practical Project can be produced after pouring into mould；
（4）Model disclosed by the invention is turned waste into wealth, economized on resources using waste paper establishment crack.
Brief description of the drawings
Fig. 1 is that the overall appearance structure of the mould of the present invention for making different angle class fissure rock test specimen is shown
It is intended to；
Fig. 2 is the cross-sectional view of the horizontal profile where the axis of connecting screw 43 in Fig. 1；
Fig. 3 is the cross-sectional view of A-A sections in Fig. 2；
Fig. 4 is the dimensional structure diagram of rotation slot 3 and its end part connecting component of the present invention；
Fig. 5 is the Waste paper strip 5 of simulation crack system of the present invention and the structural representation of iron frame 6.
Reference：Side plate, 4- rotations slot, 41- frids, 42- notches, 43- before and after 1- bottom plates, 2- left side plates, 3-
Connecting screw, 5- cracks simulation frame, 51- paper slips, 52- iron frames, 6- bolts, 7- screws, 8- dials, 9- hex nuts, 10-
Gland, 11- fixing nuts, 12- preformed holes.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
It is used to make the mould of different angle class fissure rock test specimen the present embodiments relate to a kind of, such as Fig. 1,2 and 3,
It includes a square uncovered box body surrounded by bottom plate 1, front and rear side plate 3 and left side plate 2, and inside dimensions are 100 × 100 ×
100 mm（Length × width × height）, its bottom plate 1, front and rear side plate 3 are identical with the material of left side plate 2, can be wolfram steel, alloy or casting
Iron；Connection between the adjacent panels of the bottom plate 1, front and rear side plate 3 and left side plate 2 connects for tongue and groove, and is added with bolt 6
Gu.A preformed hole 12 is had on the middle correspondence position of the front and rear side plate 3, one is respectively installed in the preformed hole 12
Individual rotation slot 4；The T-shaped metal structure that is formed in one of rotation slot 4, including frid 41 and dashed forward from frid plane perpendicular
The connecting screw 43 risen；The frid 41 is arranged on tray interior, and box body medial surface is close in its bottom surface, and the outside of frid 41 is provided with groove
Mouth 42, two notches of front and rear side plate 3 are arranged oppositely；The connecting screw 43 is stretched from the preformed hole on preceding back side panel 3 respectively
Go out, be exposed at the end on the outside of box body and be rotary with fixing nut 11, realization rotation slot 4 is connected with front and rear side plate 3；
The crack rotated with rotation slot 4, which is accompanied, between two rotation slots 4 of the front and rear side plate 3 simulates frame 5,
The length and the distance between the bottom land of two rotation slots 4 of the crack simulation frame 5 are adaptable, and width can be carried out with the need
Adjustment, its two frame is respectively in the groove of two rotation slots 4；
Such as Fig. 5, the crack simulation frame 5 is made up of the iron frame 52 of rectangle with the paper slip 51 being attached in iron frame 52, institute
The arrangement of the uniform crossover of paper slip 51 is stated in netted, two of paper slip 51 is attached to the frame of iron frame 52 along upper.The paper of the embodiment of the present invention
Bar 51 is uniformly arranged along the both direction interval on certain one side for being parallel and perpendicular to iron frame respectively, forms uniform cross grid
Shape.Paper slip width is 10mm, its spacing 10mm in iron frame, and paper slip is pasted successively among framework toward both sides, Gu
It is scheduled in iron frame 52, for simulating crack, iron plate framework is thin, needs that the iron frame 52 of different length, iron can be processed by experiment
Framework 52 can move freely in slot is rotated.The length of iron frame 52 is 100~120 mm, and its width is 100, thickness 2.5
mm。
Such as Fig. 4, on the lateral surface of the front and rear side plate 3, angle is being carved with corresponding to preformed hole 12 on position or is being posted quarter
Scale 8, the center drilling of the dial 8, perforate is overlapped with preformed hole 12 and size and the size of preformed hole 12 are adapted；Phase
Answer, the angled sign of the band of position of dial 8 is higher by the connecting screw 43.The angle of slot is adjusted by dial 8
Degree, and slot 4 will be rotated using hex nut 9 and acorn nut 12 and front and rear side plate 3 is fixed together, also can be directly in side plate
Upper quarter angle, by rotating the angle between the determination iron frame 52 of slot 4 and model side wall.The angle sign is the company of being engraved in
Connect the mark point on screw rod 43, instruction prominent parallel to the marking line of the axis of connecting screw 43 or from connecting screw 43
Pin.
The frid 41 of the rotation slot 4 is oval dish type or rectangle, and notch 42 thereon is strip, rotates slot 4
Material can be wolfram steel, alloy or cast iron.It is described rotation slot 4 remote connecting screw 43 two ends with it is corresponding before
Connection is further reinforced by screw 7 between back side panel 3.The rotation slot 4 can be close to the inner side of front and rear side plate 3, described
Front and rear side plate 3 is flat surface；Rotate slot 4 can also bottom be embedded in front and rear side plate 3, accordingly, the front and rear side plate 3
Medial surface is provided with using the center of connecting screw 43 as the center of circle, to rotate the most long radius of turn of slot 4 as the circular recessed of radius
Fall into.The present embodiment frid 41 is rectangle, and size is 80 × 14 × 6 mm（Length × width × height）, the size of slotted eye 42 is 80 × 3 × 3
mm（Length × width × height）.
In addition, hex nut 9 and gland 10, the fixing nut are additionally provided between the dial 8 and fixing nut 11
11 be block nut.The bottom plate 1, front and rear side plate 3 are identical with the material of left side plate 2, can be wolfram steel, alloy or cast iron；
Connection between the adjacent panels of the bottom plate 1, front and rear side plate 3 and left side plate 2 connects for tongue and groove, and is reinforced with bolt 6.This
In embodiment, by rotating the inclination angle at joint in the angle i.e. test block between slot regulation iron frame 52 and model side wall, once incline
Screw 7 and fixing nut 11 are tightened after determining and is fixed slot 4 is rotated with front and rear side plate 3 in angle.
The invention further relates to the above-mentioned preparation method for being used to make the mould of different angle class fissure rock test specimen, its feature
It is, comprises the following steps：
Step 1: prepare material and test instrument：Including bottom plate 1, front and rear side plate 3, left side plate 2, rotation slot 4 and phase
The making and preparation of fitting, such as the material needed for rocks test specimen, waste paper etc. are correlated, considers the uniformity of experiment, is collected same
The waste paper of one type, it can unify using discarded magazine in manufacturing process；
Step 2: installation dial 8：Preformed hole 12 is opened in the front and rear correspondence position of side plate 3, scale is installed on the outside of preformed hole
Disk 8；
Step 3: make crack simulation frame 5：Waste paper is cut into the paper slip of same width with reference to different experiment demands
51, and by same spacing be compiled into it is latticed be fixed in iron frame 52, formed crack simulation frame 5；Needed with reference to different experiments
Waste paper can be cut into the paper slip of same width by asking, and by same spacing be compiled into it is latticed be fixed on crack phantom frame 5,
As shown in Figure 5.
Step 4: the square uncovered box body of composition model：Square nothing is surrounded by bottom plate 1, front and rear side plate 3 and left side plate 2
Hamper body, the connection between the adjacent panels of bottom plate 1, front and rear side plate 3 and left side plate 2 is tongue and groove connection, and is added with bolt 6
Gu；
Step 5: installation rotation slot 4：The lubricating oil in side brush in model box body, pacifies in the preformed hole of front and rear side plate 3
Dress rotation slot 4；
Step 6: installation crack simulation frame 5：Crack simulation frame 5 is inserted before and after model in the rotation slot 4 of side plate 3,
Fixing nut 11 is installed temporarily but not fastened in the end of connecting screw 43；
Step 7: adjustment rotation slot 4：Rotation slot 4 is adjusted into required angle, is finally fastened and fixed the He of nut 11
Screw 7 will rotate slot 4 and front and rear side plate 3 is fixed；
Step 8: pour rocks material for test：Rocks material for test is poured into the mould made, is fabricated to not
With inclination angle class fissure rock test specimen.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form of embodiment statement, and protection scope of the present invention covers those skilled in the art
According to present inventive concept it is conceivable that equivalent technologies mean.
Claims (8)
1. the mould for making different angle class fissure rock test specimen, it is characterised in that：
Including one by bottom plate（1）, front and rear side plate（3）And left side plate（2）The square uncovered box body surrounded；
In the front and rear side plate（3）Middle correspondence position on have a preformed hole（12）, the preformed hole（12）It is interior
Each one rotation slot of installation（4）；The rotation slot（4）The T-shaped metal structure being formed in one, including frid（41）With from
The connecting screw of frid plane perpendicular projection（43）；The frid（41）Installed in tray interior, its bottom surface is close on the inside of box body
Face, frid（41）Outside is provided with notch（42）, front and rear side plate（3）Two notches be arranged oppositely；The connecting screw（43）Point
Not from preceding back side panel（3）On preformed hole in stretch out, be exposed at the end on the outside of box body and be rotary with fixing nut（11）, realize rotary insertion
Groove（4）With front and rear side plate（3）Be connected；
The front and rear side plate（3）Two rotation slots（4）Between accompany with rotation slot（4）The crack simulation frame rotated together
（5）, frame is simulated in the crack（5）Length with two rotation slots（4）The distance between bottom land be adapted, its two frame
Respectively embedded in two rotation slots（4）Groove in；
Simulate frame in the crack（5）By the iron frame of rectangle（52）Be attached to iron frame（52）Interior paper slip（51）Composition, it is described
Paper slip（51）Uniform crossover arrangement is in netted, paper slip（51）Two be attached to iron frame（52）Frame along upper；
The rotation slot（4）Frid（41）For oval, disc or rectangle, notch thereon（42）For strip, rotation
Slot（4）Material be wolfram steel, alloy or cast iron；
The rotation slot（4）Remote connecting screw（43）Two ends and corresponding front and rear side plate（3）Between pass through spiral shell
Silk（7）Further reinforce connection.
2. the mould according to claim 1 for being used to make different angle class fissure rock test specimen, it is characterised in that：It is described
Front and rear side plate（3）Lateral surface on, in preformed hole（12）Angle is carved with corresponding position or posts dial（8）, the quarter
Scale（8）Center drilling, perforate and preformed hole（12）Coincidence and size and preformed hole（12）Size be adapted；Accordingly,
The connecting screw（43）On be higher by dial（8）The angled sign of band of position.
3. the mould according to claim 2 for being used to make different angle class fissure rock test specimen, it is characterised in that：It is described
Angle sign is to be engraved in connecting screw（43）On mark point, parallel to connecting screw（43）The marking line of axis or from
Connecting screw（43）The indicator of upper protrusion.
4. the mould according to claim 2 for being used to make different angle class fissure rock test specimen, it is characterised in that：It is described
Rotate slot（4）Bottom be embedded in front and rear side plate（3）It is interior, accordingly, the front and rear side plate（3）Medial surface be provided with connection
Screw rod（43）Center for the center of circle, to rotate slot（4）Most long radius of turn be radius circular depressed.
5. the mould according to claim 2 for being used to make different angle class fissure rock test specimen, it is characterised in that：It is described
Dial（8）With fixing nut（11）Between be additionally provided with hex nut（9）And gland（10）, the fixing nut（11）For block
Nut.
6. the mould according to claim 2 for being used to make different angle class fissure rock test specimen, it is characterised in that：It is described
Paper slip（51）Uniformly arranged along the both direction interval on certain one side for being parallel and perpendicular to iron frame respectively, form uniform cross
Grid shape.
7. the mould according to claim 2 for being used to make different angle class fissure rock test specimen, it is characterised in that：It is described
Bottom plate（1）, front and rear side plate（3）And left side plate（2）Material it is identical, be wolfram steel, alloy or cast iron；The bottom plate（1）, it is front and rear
Side plate（3）And left side plate（2）Adjacent panels between connection be tongue and groove connection, and use bolt（6）Reinforce.
8. the making side for being used to make the mould of different angle class fissure rock test specimen described in claim 1~7 any one
Method, it is characterised in that comprise the following steps：
Step 1: prepare material and test instrument：Including bottom plate（1）, front and rear side plate（3）, left side plate（2）, rotation slot（4）
And the making and preparation of related fittings；
Step 2: installation dial（8）：In front and rear side plate（3）Correspondence position opens preformed hole（12）, install and carve on the outside of preformed hole
Scale（8）；
Step 3: make crack simulation frame（5）：Waste paper is cut into the paper slip of same width with reference to different experiment demands
（51）, and be compiled into by same spacing and latticed be fixed on iron frame（52）On, form crack simulation frame（5）；
Step 4: the square uncovered box body of composition model：By bottom plate（1）, front and rear side plate（3）And left side plate（2）Surround square
Uncovered box body, bottom plate（1）, front and rear side plate（3）And left side plate（2）Adjacent panels between connection be tongue and groove connection, and use
Bolt（6）Reinforce；
Step 5: installation rotation slot（4）：The lubricating oil in side brush in model box body, in front and rear side plate（3）Preformed hole in pacify
Dress rotation slot（4）；
Step 6: installation crack simulation frame（5）：Frame is simulated into crack（5）Side plate before and after insertion model（3）Rotation slot（4）
In, in connecting screw（43）End fixing nut is installed temporarily（11）But do not fasten；
Step 7: adjustment rotation slot（4）：Slot will be rotated（4）Required angle is adjusted, is finally fastened and fixed nut（11）
And screw（7）Slot will be rotated（4）With front and rear side plate（3）It is fixed；
Step 8: pour rocks material for test：Rocks material for test is poured into the mould made, difference is fabricated to and inclines
Angle class fissure rock test specimen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510735920.2A CN105277406B (en) | 2015-11-03 | 2015-11-03 | Mould for making different angle class fissure rock test specimen and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510735920.2A CN105277406B (en) | 2015-11-03 | 2015-11-03 | Mould for making different angle class fissure rock test specimen and preparation method thereof |
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| CN105277406B true CN105277406B (en) | 2017-12-05 |
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