CN104236976A - Multi-scale mould for making and simulating structural surface of country rock - Google Patents
Multi-scale mould for making and simulating structural surface of country rock Download PDFInfo
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- CN104236976A CN104236976A CN201410506670.0A CN201410506670A CN104236976A CN 104236976 A CN104236976 A CN 104236976A CN 201410506670 A CN201410506670 A CN 201410506670A CN 104236976 A CN104236976 A CN 104236976A
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Abstract
The invention relates to a multi-scale mould for making and simulating a structural surface of a country rock. The multi-scale mould comprises an A-type outer plate, a B-type outer plate, a C-type outer plate, a bottom plate, a flat and straight plugging plate, a curved surface plugging plate, a plug pin, a buckle, a nut and a jacket. A shearing test of simulating the structural surface of a rock needs to use a mould to pour structural surface samples, and in order to research the influence of a scale effect on the shearing property of the structural surface, a plurality of structural surface samples with different sizes need to be prepared for the test, while, the two problems always exist alternatively that in a laboratory moulds with different sizes are difficult to provide and huge investment on customizing the moulds with different sizes is needed, so that the great waste is caused. Through the adoption of a structural surface mould capable of making multiple scales in the making process of the structural surface samples, not only can the structural surface samples with different sizes be made, but also the resource waste can be avoided, and the test cost is reduced.
Description
Technical field
The present invention relates to engineering field adopts structural face shear strength index to carry out engineering design, is specifically related to a kind of multiple dimensioned mould making simulation protolith structural plane.
Background technology
Rock mass discontinuity refers to the permutation and combination form of rock mass inner structure face and structure.Rock mass stands various geologic function, forms the geological interface with different qualities, is called structural plane; The sillar that rock mass is divided into form to differ, differs in size by structural plane, is called structure.Existence due to structural plane can destroy continuity and the integrality of rock mass, weakens mechanical property and the stability thereof of engineering rock mass.Thus, need to be studied the related properties of rock mass discontinuity.
When carrying out experimental study, the shear strength parameter of rock is the important indicator of Stability Analysis of Rock Mass and Reinforcement conceptual design, current mode is generally obtain structural face shear strength index by rock mass test, mainly indoor direct shear test, but the shear property of structural plane has obvious size effect, only has its size effect of research to the affecting laws of shear property, could in engineering practice selecting structure face shear strength parameter index exactly, thus serve engineering design.
Due to the complicacy of rock mass inside, want repeatedly intactly to obtain the sample in same structure face very not easily, and test is destructive test, sample can not reuse.Therefore, in the test of structural plane, the analog material that adopts according to principle of similitude simulation protolith structural plane more, thus realizes carrying out repetition test to same structure face.Obviously, adopt analog material pouring structure interview sample to need molding in advance, need to prepare a large amount of structural fece sample in the test of the particularly size effect in research structure face, mould just seems particularly important.Laboratory is not the mould being difficult to provide so many sizes to differ, and needs the mould expending huge fund customization various sizes exactly, and causes great waste.Therefore, if a kind of size adjustable can be provided, can prepare the mould of the structural fece sample of different size size, the efficiency of test and resource utilization, minimizing experimentation cost will be improved to a great extent.The present invention aims to provide a kind of mould simulating sizes protolith structural plane.
Summary of the invention
Object of the present invention can not prepare sizes size structure interview sample and the shortcoming such as structural plane configuration of surface is not representative in order to the mould solving simulation protolith structural fece sample, and provide a kind of structure simple, easy to operate, cheap, easy dismounting, is convenient to the mould of the multiple dimensioned mould of structural plane of experimental study and engineer applied.
To achieve these goals, the technical scheme adopted is in the present invention:
Make the multiple dimensioned mould in simulation protolith surface morphological structure face, mainly comprise A type outside plate, Type B outside plate, C type outside plate, base plate, straight plate, curved surface plate, latch, latch closure, nut and the several part of chuck; Described A type outside plate becomes an entirety with base plate seamless welding; Described latch closure has four, to be arranged on described A type outside plate and Type B outside plate each two respectively; One end of described C type outside plate is provided with a draw-in groove, and draw-in groove is stuck on the outer board of described A type, and a threaded hole is respectively arranged at the side of draw-in groove and top, and each screw hole is furnished with the nut that is played fixation; Described chuck is an inverted U structure movement chuck, and its side is provided with a slot, and opposite side and top are provided with a threaded hole, and each screw hole is furnished with the nut that is played fixation; Described Type B outside plate and C type outside plate are respectively provided with two symmetrical chucks, and the slot end of each chuck is corresponding; The described two ends of straight plate and the two ends of the described curved surface plate for simulating surface relief structure face for making flat construction interview sample are inserted in the slot of chuck symmetrical on described Type B outside plate and C type outside plate respectively.
On above told A type outside plate, latch closure is horizontally disposed, and on Type B outside plate, latch closure is arranged vertically, and is moved on Type B outside plate in latch closure by latch closure on A type outside plate, and plugs latch firmly to be locked together by two pieces of outside plates.
On above told Type B outside plate, latch closure is horizontally disposed, and on A type outside plate, latch closure is arranged vertically, and is moved into by latch closure on Type B outside plate on A type outside plate in latch closure, and plugs latch firmly to be locked together by two pieces of outside plates.
The horizontal alternative arrangement of latch closure on latch closure and Type B outside plate on above told A type outside plate, then by described latch successively through four latch closures, latch closure and Type B outside plate on A type outside plate are firmly locked together.
The above A type outside plate, Type B outside plate and C type outside plate are equipped with scale, regulate the position of chuck and C type outside plate, realize the size of desired structure interview sample.
Above-described curved surface plate is the structure simulating protolith surface morphological structure surface curve according to ten standard roughness curves of Barton.
The above curved surface plate left and right sides respectively leaves the shiny surface of 0.5cm to insert in slot.
The above A type outside plate, Type B outside plate, C type outside plate and base plate are steel plate.
Mould provided by the invention, multiple upper lower burrs model be identical of can producing once out.Carrying out using mould in analog simulation structural plane configuration of surface manufacturing process, after regulating corresponding size, after inserting Barton curved surface plate or straight plate, starting material analog material being comprised sandstone, cement, water, SILICA FUME and high efficiency water reducing agent on demand proportioning weigh, raw material is through stirring, make the structural fece sample similar to protolith mechanical property of structural plane, carry out direct shear test in order to replace rock structural face.
The present invention compared with prior art has following advantage:
1, mould of the present invention not only can obtain the sample of the simulation protolith structural plane of multiple same size by one-time-concreting by increasing chuck quantity on outside plate, and the sample that namely one-time-concreting obtains the simulation protolith structural plane of multiple different size can be realized, greatly can improve the efficiency of sample preparation;
2, mould of the present invention moves the position of draw-in groove and chuck by the graduation indication on outside plate, thus regulates the space size in mould, then builds the sample of the simulation protolith structural plane of different size;
3, each block template of mould of the present invention all can be dismantled, therefore after building model, form removal is simple, and sampling process can not cause specimen fails, and sample integrality is good;
4, die theory of the present invention is easily understood, and can realizing making different scale model by template being inserted different draw-in groove, can save the total cost making mould, avoiding again the waste of resource;
5, mould structure of the present invention is simple, be easy to carry, easy to operate, be easy to dismounting, there is larger practical value.
Accompanying drawing explanation
Fig. 1 is mould structure schematic diagram of the present invention.
Fig. 2 is curve and the numbering of typical barton structural plane series in the rock mechanics that 10 blocks of curved surface plates making in the present invention are corresponding.
Fig. 3 is the present invention's A type outside plate wherein and base arrangement schematic diagram.
Fig. 4 is the present invention's C type outer panel structure schematic diagram wherein.
Fig. 5 is the present invention's jacket structured schematic diagram wherein.
In above-mentioned figure: 1-A type outside plate, 2-B type outside plate, 3-C type outside plate, 4-chuck, 5-latch closure, 6-latch, 7-nut, 8-is straight plate, 9-curved surface plate, 10-draw-in groove, 11-base plate, 12-slot.
Embodiment
Below in conjunction with accompanying drawing, detailed specific description is done to the present invention, but protection scope of the present invention is not limited to following examples.
A kind of multiple dimensioned mould making simulation protolith surface morphological structure face provided by the invention, assembled its structure of good mould as shown in Figure 1.First the latch closure 5 on A type outside plate 1 is moved on Type B outside plate 2 in latch closure when using front, and plug latch 6 firmly to be locked together by two pieces of outside plates; Be stuck in by draw-in groove 10 on C type outside plate 3 on A type outside plate 1, tighten the screws makes it be unlikely to rock slightly; Each placement two chucks 4 on Type B outside plate 2 and C type outside plate 3, tighten equally slightly on it with screw make it tentatively fixing, chuck on B, C type outside plate is moved to identical graduation position accordingly, the slot 12 of a pair chuck is interior later inserts one block of straight plate 8, namely completes the tentatively assembled of mould to this.
In the present embodiment, in the multiple dimensioned mould of simulation protolith structural plane, A type outside plate, Type B outside plate adopt thickness to be the steel plate of 5mm, and size is as 20cm × 15cm, and base plate adopts material and A, Type B outside plate the same, be of a size of 20cm × 20cm, be connected together with the closed weld of A type outside plate; The outer plate thickness of C type is 5mm, be of a size of 23cm × 17cm, it there is the draw-in groove that is of a size of 15cm × 0.6cm, draw-in groove is stuck on A type outside plate, by mobile draw-in groove, C type outside plate being moved on A type outside plate, when moving to correct position, also by tightening two nuts that C type outside plate is arranged, itself and A type outside plate being fixed; A, B, C type outside plate is equipped with rule, and A type outside plate is laterally and is vertically equipped with, B, C type outside plate is then only laterally provided with scale; Chuck adopts thickness to be the steel plate of 1cm, and yardstick is 17cm × 3cm, and which is provided with a width is 0.5cm slot, and according to the required corresponding mobile chuck of size preparing sample to the corresponding graduation position on Type B or C type outside plate, and fastening nut makes it fix; Select curved surface plate or straight plate to insert in the slot of chuck according to the configuration of surface in institute's model configuration face, so far set of molds installs complete.
The structural plane size experimentally required, in this experiment, the size General Requirements of structural fece sample is the rectangular parallelepiped of 3cm × 3cm ~ 12cm × 12cm, high 2-5cm, and mould of the present invention can meet the demands completely.
With specification be below simulation 4cm × 4cm × 4cm structural fece sample be example, illustrate that embodiment of the present invention are as follows:
According to the size in wanted model configuration face, the draw-in groove on mobile C type outside plate is the position of 5cm to A type outside plate scale, and tighten the screws makes it fix; According to this size of 4cm, one-time-concreting can obtain the sample in 4 4cm × 4cm × 4cm model configuration face, Type B, C type outside plate respectively can place 4 chucks, on outside plate, indicating graduation is that a chuck is respectively put at 4cm, 8.5cm, 13cm, 17.5cm place respectively, itself and outside plate is fixed the screw tightening on it simultaneously; Select 3 pieces of width to be that the curved surface plate of 5cm inserts in the slot at 4cm, 8.5cm, 13cm place respectively again, select 1 piece of width to be that the straight plate of 5cm inserts in the slot at 17cm place, so far complete the completely assembled of this size bed die.
According to the principle of similitude, design concrete match ratio by rock strength, weighed concrete raw material by match ratio, mixed thoroughly, poured in stirring machine and fully stir, before batch turning, inside template, all pad last layer sand paper, make the easy demoulding.Again the material be stirred is poured in the space between mould and template, build in 4 little spaces simultaneously, meanwhile, open shaking table and ram-jolt is carried out to concrete, treat that namely the vertical scale mark instruction 4cm position that liquid level rises on A type outside plate and chuck stops inside batch turning.Structural fece sample carried out indoor maintenance after 24 hours at 20 DEG C, namely started form removal.First all curved surface plates are extracted out, the more all screws of Panasonic, extract latch, the lower outside plate of dismounting, the model configuration interview sample of 4 4cm × 4cm × 4cm can be obtained.Place it in the indoor continuation maintenance of standard curing.
Mould structure of the present invention is simple, easy to operate, be easy to dismounting, analogue formation efficiency is high, can make again the structural plane of the Barton configuration of surface of sizes for research experiment.The total cost making mould can not only be saved, avoid the waste of resource, also greatly can shorten the test period.Mould of the present invention has good popularizing application prospect.
Claims (8)
1. make the multiple dimensioned mould in simulation protolith surface morphological structure face, it is characterized in that: mainly comprise A type outside plate, Type B outside plate, C type outside plate, base plate, straight plate, curved surface plate, latch, latch closure, nut and the several part of chuck; Described A type outside plate becomes an entirety with base plate seamless welding; Described latch closure has four, to be arranged on described A type outside plate and Type B outside plate each two respectively; One end of described C type outside plate is provided with a draw-in groove, and draw-in groove is stuck on the outer board of described A type, and a threaded hole is respectively arranged at the side of draw-in groove and top, and each screw hole is furnished with the nut that is played fixation; Described chuck is an inverted U structure movement chuck, and its side is provided with a slot, and opposite side and top are provided with a threaded hole, and each screw hole is furnished with the nut that is played fixation; Described Type B outside plate and C type outside plate are respectively provided with two symmetrical chucks, and the slot end of each chuck is corresponding; The described two ends of straight plate and the two ends of the described curved surface plate for simulating surface relief structure face for making flat construction interview sample are inserted in the slot of chuck symmetrical on described Type B outside plate and C type outside plate respectively.
2. a kind of multiple dimensioned mould making simulation protolith surface morphological structure face according to claim 1, it is characterized in that: institute's latch closure on A type outside plate of telling is horizontally disposed, on Type B outside plate, latch closure is arranged vertically, latch closure on A type outside plate is moved on Type B outside plate in latch closure, and plugs latch firmly to be locked together by two pieces of outside plates.
3. a kind of multiple dimensioned mould making simulation protolith surface morphological structure face according to claim 1, it is characterized in that: institute's latch closure on Type B outside plate of telling is horizontally disposed, on A type outside plate, latch closure is arranged vertically, latch closure on Type B outside plate is moved on A type outside plate in latch closure, and plug latch firmly to be locked together by two pieces of outside plates.
4. a kind of multiple dimensioned mould making simulation protolith surface morphological structure face according to claim 1, it is characterized in that: the horizontal alternative arrangement of latch closure on latch closure and Type B outside plate to be told on A type outside plate by institute, then described latch is passed four latch closures successively, latch closure and Type B outside plate on A type outside plate are firmly locked together.
5. a kind of multiple dimensioned mould making simulation protolith surface morphological structure face according to claim 1, it is characterized in that: described A type outside plate, Type B outside plate and C type outside plate are equipped with scale, regulate the position of chuck and C type outside plate, realize the size of desired structure interview sample.
6. a kind of multiple dimensioned mould making simulation protolith surface morphological structure face according to claim 1, is characterized in that: described curved surface plate is the structure simulating protolith surface morphological structure surface curve according to ten standard roughness curves of Barton.
7. a kind of multiple dimensioned mould making simulation protolith surface morphological structure face according to claim 1, is characterized in that: described curved surface plate left and right sides respectively leaves the shiny surface of 0.5cm to insert in slot.
8. a kind of multiple dimensioned mould making simulation protolith surface morphological structure face according to claim 1, is characterized in that: described A type outside plate, Type B outside plate, C type outside plate and base plate are steel plate.
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| CN201410506670.0A CN104236976A (en) | 2014-09-28 | 2014-09-28 | Multi-scale mould for making and simulating structural surface of country rock |
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| CN201410506670.0A CN104236976A (en) | 2014-09-28 | 2014-09-28 | Multi-scale mould for making and simulating structural surface of country rock |
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| CN104880354A (en) * | 2015-06-15 | 2015-09-02 | 中国电建集团成都勘测设计研究院有限公司 | Sampling mould for experiment in rock mass mechanics |
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