CN104880354A - Sampling mould for experiment in rock mass mechanics - Google Patents
Sampling mould for experiment in rock mass mechanics Download PDFInfo
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- CN104880354A CN104880354A CN201510329020.8A CN201510329020A CN104880354A CN 104880354 A CN104880354 A CN 104880354A CN 201510329020 A CN201510329020 A CN 201510329020A CN 104880354 A CN104880354 A CN 104880354A
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Abstract
The invention relates to the field of experimental equipment in rock mass mechanics, and particularly relates to a sampling mould for an experiment in rock mass mechanics. The sampling mould for an experiment in rock mass mechanics is characterized in that the structure design of a the mould can be used for processing different sampling moulds for the experiment in rock mass mechanics of face type test samples of through structures, face type test samples of non-through structures of different sizes and different structural surface shapes. The sampling mould for the experiment in rock mass mechanics comprises a forward-backward vertical plate, a left-right vertical plate, a clamping plate and a bottom plate, wherein the forward-backward vertical plate, the left-right vertical plate and the bottom plate are fixedly connected to form a semi-opening cuboid space through a bolt device, and the clamping plate is vertically inserted into the cuboid space. The sampling mould for the experiment in rock mass mechanics provided by the invention is particularly applicable to the sampling for the experiment in rock mass mechanics.
Description
Technical field
The present invention relates to rock mass mechanics field of experiment equipment, especially a kind of rock mass mechanics experiment sampling die.
Background technology
Rock mass is geologic body, and it lives through geologic function repeatedly and repeatedly, lives through distortion, suffers destruction, and formed certain rock composition, certain structure, composes and is stored in certain geologic media, being defined as rock mass as during mechanical function research object.The significant difference of rock mass and general object is that it is the multiple cracks body cutting, have a fixed structure by structural plane in length and breadth.Structural plane in rock mass and its control the lower rock mass structure formed and control the distortion of rock mass, failure mechanism and mechanics principles.Therefore, the mechanical property of accurate assurance structural plane is the key factor of carrying out rock mass engineering project estimation of stability.
The shop experiment research of rock mass mechanics behavior is the prerequisite and the foundation that build rock mass constitutive model and carry out engineering design numerical simulation, is therefore the important method and the approach that obtain rock mass discontinuity mechanical property by the distortion in shop experiment research structure face and strength characteristics.Mechanical test due to rock mass discontinuity is destructive test, and structural plane is once destruction cannot be repaired and can not carry out revision test; The sampling cost of natural rock mass discontinuity is higher, and it is more difficult to transport, and cannot obtain the structural fece sample of different size, so can not analytical structure face size effect and determine the stable threshold of mechanical property of structural plane.
Therefore, Chinese scholars extensively adopts the rock-like materials such as cement, high strength gypsum to carry out simulation rock mass test, carries out a large amount of parallel experiment to study the mechanical property of natural rock mass by manufacturing artificial rock mass sample.The structural design of this mould can be used for processing different size, the communicating structure face type sample of different structure face shape, non-through structure face type sample, partly bury the dissimilar artificial rock mass sample such as structural plane type sample with the demand of satisfied different rock mass mechanics experiment.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of rock mass mechanics experiment sampling die, and the structural design of this mould can be used for processing different size, the communicating structure face type sample of different structure face shape, non-through structure face type sample, partly bury the dissimilar rock mass mechanics experiment sampling die such as structural plane type sample.
The technical solution adopted for the present invention to solve the technical problems is: rock mass mechanics experiment sampling die, front and back riser, left and right riser, clamping plate and base plate, described front and back riser, left and right riser and base plate are connected and fixed respectively by bolt device and form semi-open rectangular parallelepiped space, and described clamping plate are vertically assigned in described rectangular parallelepiped space.
Further, when processing the artificial rock mass sample needed for shear test, be provided with groove along on the length direction of left and right riser, described groove is positioned at the half place of left and right riser width and described groove is arranged at described rectangular parallelepiped space.
Be further, when processing communicating structure face type sample, described clamping plate are rectangular thin plate, and with two that match with described groove size symmetrical block latches, the length of described rectangular thin plate is consistent with the width of described rectangular parallelepiped space, the width of described rectangular thin plate is consistent with the height of described rectangular parallelepiped space, described rectangular parallelepiped space is divided into two rectangular parallelepiped space by described rectangular thin plate, and described clamping plate are assigned in the groove of described left and right riser by described block latch is seamless respectively.
Be further, when processing non-through structure face type and shearing sample, described clamping plate are two pieces of independent of one another and identical rectangular thin plates, and be respectively with the block latch matched with described groove size, the latch of described clamping plate carries out sharpening process relative to long limit, side, described rectangular thin plate length is consistent with described rectangular parallelepiped space height, described rectangular thin plate width is not more than 1/4th of described rectangular parallelepiped space width, and described block latch is seamless respectively to be assigned in the groove of described left and right riser.
Be further, when structural plane type shearing sample is partly buried in processing, described base plate is provided with the cylindric equal diameter through hole perpendicular to its plate face, described clamping plate comprise middle splint and two ends clamping plate, described middle splint is rectangular thin plate, its length is consistent with described rectangular parallelepiped space height, sharpening process is carried out on long limit, described middle splint both sides, the attached cylindric latch of side broadside, described cylindric latch and described base plate equal altitudes and with described through hole equal diameter, described cylindric latch is seamless to be assigned in described bottom hole, described two ends clamping plate are two pieces of identical rectangular thin plates and the block latch that matches of attached and described groove size respectively, described rectangular thin plate length is consistent with described rectangular parallelepiped space height, width is 10mm, described two ends clamping plate latch carries out sharpening process relative to long limit, side, described block latch is seamless respectively to be assigned in described left and right riser groove.
Be further, when processing the artificial rock mass sample needed for compression test, described base plate is provided with the cylindric equal diameter through hole perpendicular to its plate face, described clamping plate are rectangular thin plate, its length is consistent with described rectangular parallelepiped space height, and sharpening process is carried out on long limit, described clamping plate both sides, the attached cylindric latch of side broadside, described cylindric latch and described base plate equal altitudes and with described through hole equal diameter, described cylindric latch is seamless to be assigned in described bottom hole.
Further, the rectangular thin plate of described clamping plate comprises the various shapes such as flat type, sawtooth pattern and anomocytic type.
The invention has the beneficial effects as follows: the present invention can be used for processing different size, different structure face shape communicating structure face type sample, non-through structure face type sample, partly bury structural plane type sample etc., by the artificial rock mass sample that utilizes these dissimilar to reach the object of different rock mass mechanics experiment.The present invention is by pouring into a mould paste materials in described rectangular parallelepiped sample preparation space, and the artificial rock mass sample that final formation is dissimilar after maintenance sclerosis, therefore can need with the experiment of reality and make sample flexibly, be particularly useful among rock mass mechanics experiment sample preparation.
Accompanying drawing explanation
Fig. 1 is the structural representation of through flat construction face of the present invention type sampling die.
Fig. 2 is the structural representation of through broached-tooth design face of the present invention type sampling die.
Fig. 3 is the structural representation of through random structure face of the present invention type sampling die.
Fig. 4 is the structural representation of non-penetrating flat construction face of the present invention type sampling die.
Fig. 5 is the structural representation of non-penetrating broached-tooth design face of the present invention type sampling die.
Fig. 6 is the structural representation of non-penetrating random structure face of the present invention type sampling die.
Fig. 7 is the structural representation partly burying straight single structure face type sampling die of the present invention.
Fig. 8 is the structural representation partly burying sawtooth single structure face type sampling die of the present invention.
Fig. 9 is the structural representation partly burying random single structure face type sampling die of the present invention.
Figure 10 is the structural representation partly burying straight double structure face type sampling die of the present invention.
Figure 11 is the structural representation partly burying sawtooth double structure face type sampling die of the present invention.
Figure 12 is the structural representation partly burying random double structure face type sampling die of the present invention.
Figure 13 is the structural representation partly burying straight many structural planes type sampling die of the present invention.
Figure 14 is the structural representation partly burying sawtooth many structural planes type sampling die of the present invention.
Figure 15 is the structural representation partly burying random many structural planes type sampling die of the present invention.
Be labeled as in figure: front and back riser 1, left and right riser 2, clamping plate 3, middle splint 31, two ends clamping plate 32, base plate 4.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Rock mass mechanics experiment sampling die as shown in Fig. 1 to Figure 15, front and back riser 1, left and right riser 2, clamping plate 3 and base plate 4, described front and back riser 1, left and right riser 2 are connected and fixed respectively by bolt device with base plate 4 and form semi-open rectangular parallelepiped space, and described clamping plate 3 are vertically assigned in described rectangular parallelepiped space.When processing the artificial rock mass sample needed for shear test, be provided with groove along on the length direction of left and right riser 2, described groove is positioned at the half place of left and right riser 2 width and described groove is arranged at described rectangular parallelepiped space.
Embodiment 1
Referring to figs. 1 to Fig. 3, communicating structure face provided by the present invention type rock mass shearing experiment sampling die comprises front and back riser 1, left and right riser 2, clamping plate 3 and base plate 4; Left and right riser 2 and base plate 4 are connected and fixed by bolt device and form U-shaped frame, and front and back riser 1 and U-shaped frame left and right riser 2 are connected and fixed by bolt device and form semi-open rectangular parallelepiped space, and clamping plate 3 are vertically assigned in rectangular parallelepiped space; Attached groove in the middle part of long limit, left and right riser 2 side, clamping plate 3 are the symmetrical block latches of attached two of matching with groove size of rectangular thin plate; Rectangular thin plate length is consistent with rectangular parallelepiped space width, and rectangular thin plate width is consistent with rectangular parallelepiped space height, and rectangular parallelepiped space is divided into two rectangular parallelepiped space by rectangular thin plate; It is block that latch is seamless respectively assigns in left and right riser 2 groove.Described front and back riser 1, left and right riser 2 and clamping plate 3 are attached fixing lever respectively.Riser, clamping plate 3 and base plate 4, by lever, are assembled into above-mentioned sample preparation space by bolt device by technician, and cast paste materials, in sample preparation space, proposes clamping plate 3 by lever after material initial set, and in succession dismantles front and back riser 1 and left and right riser 2; After material final set, with front and back riser 1 long side direction for axle, sample is installed on shearing experiment machine after axle integral-rotation 90 ° and tests.
Embodiment 2
With reference to figure 4 to Fig. 6, non-through structure face provided by the present invention type rock mass shearing experiment sampling die comprises front and back riser 1, left and right riser 2, clamping plate 3 and base plate 4; Left and right riser 2 and base plate 4 are connected and fixed by bolt device and form U-shaped frame, and front and back riser 1 and U-shaped frame left and right riser 2 are connected and fixed by bolt device and form semi-open rectangular parallelepiped space, and clamping plate 3 are vertically assigned in rectangular parallelepiped space; Attached groove in the middle part of long limit, left and right riser 2 side, clamping plate 3 are two pieces of identical rectangular thin plates and the attached block latch matched with groove size respectively, and clamping plate 3 latch carries out sharpening process relative to long limit, side; Rectangular thin plate length is consistent with rectangular parallelepiped space height, and rectangular thin plate width is not more than 1/4th of rectangular parallelepiped space width; It is block that latch is seamless respectively assigns in left and right riser 2 groove.In this kind of structural design, front and back riser 1, left and right riser 2 be attached fixing lever respectively, the attached fixing drop handle of clamping plate 3.Technician is by lever and drop handle, by bolt device, riser, clamping plate 3 and base plate 4 are assembled into above-mentioned sample preparation space, cast paste materials, in sample preparation space, takes out clamping plate 3 by drop handle and lever, and in succession dismantles front and back riser 1 and left and right riser 2 after material initial set; After material final set, with front and back riser 1 long side direction for axle, sample is installed on shearing experiment machine after axle integral-rotation 90 ° and tests.
Embodiment 3
With reference to figure 7 to Fig. 9, the structural plane type rock mass shearing experiment sampling die that partly buries provided by the present invention comprises front and back riser 1, left and right riser 2, clamping plate 3 and base plate 4; Left and right riser 2 and base plate 4 are connected and fixed by bolt device and form U-shaped frame, and front and back riser 1 and U-shaped frame left and right riser 2 are connected and fixed by bolt device and form semi-open rectangular parallelepiped space, and clamping plate 3 are vertically assigned in rectangular parallelepiped space; Attached groove in the middle part of long limit, left and right riser 2 side, base plate 4 has the cylindric equal diameter through hole distributed along its short transverse; Clamping plate 3 comprise middle splint 31 and two ends clamping plate 32: middle splint 31 is rectangular thin plate, its length is consistent with rectangular parallelepiped space height, sharpening process is carried out on long limit, middle splint 31 both sides, the attached cylindric latch of side broadside, cylindric latch and base plate 4 equal altitudes and with through hole equal diameter, cylindric latch is seamless to be assigned in base plate 4 through hole; Two ends clamping plate 32 are two pieces of identical rectangular thin plates and the attached block latch matched with groove size respectively, and rectangular thin plate length is consistent with rectangular parallelepiped space height, and width is 10mm; Two ends clamping plate 32 latch carries out sharpening process relative to long limit, side, and block latch is seamless respectively to be assigned in left and right riser 2 groove.Front and back riser 1, left and right riser 2 attached fixing lever respectively, the attached fixing drop handle of two ends clamping plate 32.Technician is by lever and drop handle, by bolt device by riser, clamping plate 3 and base plate 4 are assembled into above-mentioned sample preparation space, with cylindric latch for axle rotates middle splint 31 to certain angle to meet the demand of different tests, cast paste materials is in sample preparation space, two ends clamping plate 32 are taken out by drop handle and lever after material initial set, and in succession dismantle front and back riser 1 and left and right riser 2, with front and back riser 1 long side direction for axle, by sample around axle integral-rotation 90 °, by after the cylindric latch taking-up middle splint 31 of middle splint 31, sample is resetted, after material final set, sample is installed test in shearing experiment machine.
The cylindric equal diameter through hole of base plate 4 rises to two, and accordingly, middle splint 31 is also increased to two, as shown in Figure 10 to 12; Middle splint 31 to certain angle can be rotated respectively with the demand of satisfied difference research before cast paste materials.
Embodiment 4
With reference to figures 13 to Figure 15, many structural planes type rock mass compression experiment sampling die that partly buries provided by the present invention comprises front and back riser 1, left and right riser 2, clamping plate 3 and base plate 4; Left and right riser 2 is without groove, and base plate 4 has some along the equally distributed cylindric equal diameter through hole of its short transverse; Clamping plate 3 are rectangular thin plate, its length is consistent with rectangular parallelepiped space height, and sharpening process is carried out on long limit, clamping plate 3 both sides, the attached cylindric latch of side broadside, cylindric latch and base plate 4 equal altitudes and with through hole equal diameter, cylindric latch is seamless to be assigned in base plate 4 through hole.On this basis, front and back riser 1, left and right riser 2 attached fixing lever respectively.Technician is by lever, by bolt device, riser, clamping plate 3 and base plate 4 are assembled into above-mentioned sample preparation space, according to the object of difference research, select the clamping plate 3 of respective numbers and rotate respectively to certain angle, cast paste materials is in sample preparation space, front and back riser 1 and left and right riser 2 is in succession dismantled by lever after material initial set, with front and back riser 1 long side direction for axle, by sample around axle integral-rotation 90 °, by after the cylindric latch taking-up clamping plate 3 of clamping plate 3, sample is resetted, after material final set, sample is installed and tests in shearing experiment machine.
Claims (7)
1. rock mass mechanics experiment sampling die, it is characterized in that: front and back riser (1), left and right riser (2), clamping plate (3) and base plate (4), described front and back riser (1), left and right riser (2) are connected and fixed respectively by bolt device with base plate (4) and form semi-open rectangular parallelepiped space, and described clamping plate (3) are vertically assigned in described rectangular parallelepiped space.
2. rock mass mechanics experiment sampling die as claimed in claim 1, it is characterized in that: when processing the artificial rock mass sample needed for shear test, be provided with groove along on the length direction of left and right riser (2), described groove is positioned at the half place of left and right riser (2) width and described groove is arranged at described rectangular parallelepiped space.
3. rock mass mechanics experiment sampling die as claimed in claim 2, it is characterized in that: when processing communicating structure face type sample, described clamping plate (3) are rectangular thin plate, and with two that match with described groove size symmetrical block latches, the length of described rectangular thin plate is consistent with the width of described rectangular parallelepiped space, the width of described rectangular thin plate is consistent with the height of described rectangular parallelepiped space, described rectangular parallelepiped space is divided into two rectangular parallelepiped space by described rectangular thin plate, described clamping plate (3) are assigned in the groove of described left and right riser (2) by described block latch is seamless respectively.
4. rock mass mechanics experiment sampling die as claimed in claim 2, it is characterized in that: when processing non-through structure face type and shearing sample, described clamping plate (3) are two pieces of independent of one another and identical rectangular thin plates, and be respectively with the block latch matched with described groove size, the latch of described clamping plate (3) carries out sharpening process relative to long limit, side, described rectangular thin plate length is consistent with described rectangular parallelepiped space height, described rectangular thin plate width is not more than 1/4th of described rectangular parallelepiped space width, described block latch is seamless respectively to be assigned in the groove of described left and right riser (2).
5. rock mass mechanics experiment sampling die as claimed in claim 2, it is characterized in that: when structural plane type shearing sample is partly buried in processing, described base plate (4) is provided with the cylindric equal diameter through hole perpendicular to its plate face, described clamping plate (3) comprise middle splint (31) and two ends clamping plate (32), described middle splint (31) is rectangular thin plate, its length is consistent with described rectangular parallelepiped space height, sharpening process is carried out on long limit, described middle splint (31) both sides, the attached cylindric latch of side broadside, described cylindric latch and described base plate (4) equal altitudes and with described through hole equal diameter, described cylindric latch is seamless to be assigned in described base plate (4) through hole, described two ends clamping plate (32) are two pieces of identical rectangular thin plates and the block latch that matches of attached and described groove size respectively, described rectangular thin plate length is consistent with described rectangular parallelepiped space height, width is 10mm, described two ends clamping plate (32) latch carries out sharpening process relative to long limit, side, described block latch is seamless respectively to be assigned in described left and right riser (2) groove.
6. rock mass mechanics experiment sampling die as claimed in claim 1, it is characterized in that: when processing the artificial rock mass sample needed for compression test, described base plate (4) is provided with the cylindric equal diameter through hole perpendicular to its plate face, described clamping plate (3) are rectangular thin plate, its length is consistent with described rectangular parallelepiped space height, sharpening process is carried out on long limit, described clamping plate (3) both sides, the attached cylindric latch of side broadside, described cylindric latch and described base plate (4) equal altitudes and with described through hole equal diameter, described cylindric latch is seamless to be assigned in described base plate (4) through hole.
7. rock mass mechanics experiment sampling die as claimed in claim 1, is characterized in that: the rectangular thin plate of described clamping plate (3) comprises the various shapes such as flat type, sawtooth pattern and anomocytic type.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510329020.8A CN104880354A (en) | 2015-06-15 | 2015-06-15 | Sampling mould for experiment in rock mass mechanics |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510329020.8A CN104880354A (en) | 2015-06-15 | 2015-06-15 | Sampling mould for experiment in rock mass mechanics |
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| CN104880354A true CN104880354A (en) | 2015-09-02 |
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| CN105806687A (en) * | 2016-03-04 | 2016-07-27 | 中国石油大学(华东) | Mould for manufacturing rock block with adjustable angle and width of fissure surface |
| CN106092714A (en) * | 2016-08-02 | 2016-11-09 | 中国科学院武汉岩土力学研究所 | A kind of rock-like materials cuboid sample sample preparation stage apparatus |
| WO2017084407A1 (en) * | 2015-11-20 | 2017-05-26 | 中国矿业大学 | Mold for manufacturing circular tunnel having three-dimensional composite rock stratum and use method thereof |
| CN109342166A (en) * | 2018-12-03 | 2019-02-15 | 中国科学院地质与地球物理研究所 | Sampling die for rock mass discontinuity shearing test |
| CN109975100A (en) * | 2019-04-29 | 2019-07-05 | 西南交通大学 | A kind of rock mass mold for high-speed shadowgraph technique simulation |
| CN110274812A (en) * | 2019-07-04 | 2019-09-24 | 中国科学院武汉岩土力学研究所 | Concrete structure surface sample preparation device |
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| WO2017084407A1 (en) * | 2015-11-20 | 2017-05-26 | 中国矿业大学 | Mold for manufacturing circular tunnel having three-dimensional composite rock stratum and use method thereof |
| CN105806687A (en) * | 2016-03-04 | 2016-07-27 | 中国石油大学(华东) | Mould for manufacturing rock block with adjustable angle and width of fissure surface |
| CN105806687B (en) * | 2016-03-04 | 2020-02-18 | 中国石油大学(华东) | Mould for manufacturing angle-adjustable and width-adjustable crack face rock block |
| CN106092714A (en) * | 2016-08-02 | 2016-11-09 | 中国科学院武汉岩土力学研究所 | A kind of rock-like materials cuboid sample sample preparation stage apparatus |
| CN109342166A (en) * | 2018-12-03 | 2019-02-15 | 中国科学院地质与地球物理研究所 | Sampling die for rock mass discontinuity shearing test |
| CN109342166B (en) * | 2018-12-03 | 2023-09-05 | 中国科学院地质与地球物理研究所 | Sample preparation die for shear test of rock mass structural surface |
| CN109975100A (en) * | 2019-04-29 | 2019-07-05 | 西南交通大学 | A kind of rock mass mold for high-speed shadowgraph technique simulation |
| CN110274812A (en) * | 2019-07-04 | 2019-09-24 | 中国科学院武汉岩土力学研究所 | Concrete structure surface sample preparation device |
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