CN104792587B - The analogy method of field large-scale rock structural plane similarity surface - Google Patents
The analogy method of field large-scale rock structural plane similarity surface Download PDFInfo
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Abstract
A kind of analogy method of field large-scale rock structural plane similarity surface, comprises the following steps：(1), rock structural face region is selected and is surface-treated；(2), rock structural face classification judges：Rock sampling to having delimited, determines classification, composition and the mechanics parameter of its rock；(3), gluing simulation：Neutral gel is chosen as simulation material, it is got from glue bottle with glue gun, gel surface is carried out it is floating gel is completely attached to rock surface, and by its surfacing；(4), degumming process：Treat that hardness reaches preset value, first remove small batten from its surrounding in a clockwise direction successively, spun off from rock surface, and keep the former state of its reverse lines；(5), conserve：Conserved, made gel hardening.The present invention provides a kind of analogy method of field large-scale rock structural plane similarity surface, and the model structure face for making similarity surface rolling shape can be just met without field sampling, and accuracy is higher.
Description
Technical field
The invention belongs to field of engineering technology, it is related to a kind of simulation side of field large-scale rock structural plane similarity surface
Method, for the configuration of surface of field acquisition rock structural face, simulates knot in the correlation engineerings such as water conservancy, traffic, mining, geology
Structure face carries out the determination of the parameters of engineering design such as structural face shear strength.
Background technology
The Shear Strength Index of rock structural face is the important references index in engineering design, is referred to obtain shearing strength
Mark needs to carry out the shear strength test of structural plane.But protolith structural plane be usually preservation in rock mass, the cost of field sampling
Height, transport difficult, the test period is long, it is difficult to the need for meeting a large amount of engineering tests；In order to carry out structural face shear strength
Mechanical test, model structure face need to be made instead of protolith structural plane.Patent No. ZL200910154781.9, it is proposed that a kind of
The preparation method of direct shear test structural plane model, the method is to carrying out various sizes of simulation on the protolith structural plane sampled
Sample makes, and obtains as protolith structural plane configuration of surface, the model structure face that the identical property of upper lower burrs structural plane is good.Pass through
The model structure face that the method makes will not destroy protolith structural plane, meet the requirement for making different size model structure face,
The number of samples of field protolith structural plane is decreased, experimentation cost is reduced.But the primary work of the method also needs to adopt must expire
The protolith structural plane of sufficient test requirements document, and require that the surface undulation form of protolith structural plane in sampling process needs perfect, fortune
Also there must not be any destruction during defeated.It can be seen that also need to carry out the sample in field in the patent, and to protolith structure
The sampling in face proposes requirement higher.And how without field protolith sampling, you can obtain and protolith structural plane phase
As configuration of surface, the making requirement of various sample in patent No. ZL200910154781.9 can be met again, further reduce examination
The cost tested and test period, are the developing direction of model structure face shear strength test.
The content of the invention
Field acquisition sample is needed in order to solve existing rock structural face sample preparation method, high cost, cycle deficiency long,
The present invention provides a kind of analogy method of field large-scale rock structural plane similarity surface, and just making can be met without field sampling
The model structure face of similarity surface rolling shape, accuracy is higher.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of analogy method of field large-scale rock structural plane similarity surface, the analogy method comprises the following steps：
(1) rock structural face region is selected and is surface-treated：The rock surface texture region for needing simulation delimited, and to this
Surface is cleared up, and removes miscellaneous piece of the rubble on surface, and the small batten for reusing setting thickness separates the region of delimitation；
(2) rock structural face classification judges：Rock sampling to having delimited, determines classification, composition and the master of its rock
Want mechanics parameter；
(3) gluing simulation：Neutral gel is chosen as simulation material, it is got from glue bottle with glue gun, to solidifying
Glue surface carry out it is floating completely attach to gel and rock surface, and by its surfacing, the minimum of gel rubber material thinnest part is thick
Degree control is in 5~10mm；
(4) degumming process：Treat that hardness reaches preset value, first remove small batten from its surrounding in a clockwise direction successively,
Surface takes the lead in applying an extraneous load of be not more than its elastic telescopic intensity one thereon to recycle gel characteristic in itself,
It is spun off from rock surface, and keep the lines of its configuration of surface as former state；
(5) conserve：Silicone adhesive model is laid on level ground, is conserved, made gel hardening.
Further, the analogy method also comprises the following steps：
(6) repeat the above steps (3)~(5), gathers more than the four anti-textures of rock surface, and selection integrality is stronger,
Texture more clearly silicone adhesive model；
(7) the surface undulation form in protolith structural plane and model structure face is obtained using equipment such as configuration of surface measuring instruments,
Comparative analysis its similarity degree, when similarity degree is more than 95%, you can meet test requirements document.
Further, the step (3) gel is one-component silicone adhesive.
Further, in the step (3), the scraper plate being made of glass spreads a small amount of clear water on its surface.
In the step (3), when the surface area that need to be simulated exceedes preset value, selection takes the lead in gluing screeding and compaction from corner
The method come together to centre again simulates its configuration of surface.
In the step (5), the environment of maintenance is：More than 23 DEG C, 50% relative humidity.
Beneficial effects of the present invention are mainly manifested in：(1) solve the problems, such as that protolith gathers transport difficult；(2) can be compared with
The rock surface shape higher accurately to copy similarity degree；(3) silicone adhesive dead weight is lighter, compared with protolith more
It is convenient, flexible；(4) silicone adhesive take off hardening after configuration of surface relatively stablize, can reuse, a part for solution into
This problem；(5) the unhardened preceding caking ability of silicone glue material preferably, can be attached to inclined rock surface and be unlikely to come off；
(6) rock surface regional choice is relatively flexible, can carry out its surface simulation in specific region；(7) the method will not be destroyed
The surface of rock, but can preferably simulation rock configuration of surface；(8) silicone adhesive has the process of hardening, before hardening is not completed,
Departed from protolith surface, after fully hardened, its intensity is high, the bottom surface template that can be made as model test piece using it.
Specific embodiment
The invention will be further described below.
A kind of analogy method of field large-scale rock structural plane similarity surface, the analogy method comprises the following steps：
(1) rock structural face region is selected and is surface-treated：The rock surface texture region for needing simulation delimited, and to this
Surface is cleared up, and removes miscellaneous piece of the rubble on surface, and the small batten for reusing setting thickness separates the region of delimitation；
(2) rock structural face classification judges：Rock sampling to having delimited, determines classification, composition and the power of its rock
Learn parameter；
(3) gluing simulation：Neutral gel is chosen as simulation material, it is got from glue bottle with glue gun, to solidifying
Glue surface carry out it is floating completely attach to gel and rock surface, and by its surfacing, the minimum of gel rubber material thinnest part is thick
Degree control is in 5~10mm；, preferably 5mm；
(4) degumming process：Treat that hardness reaches preset value, first remove small batten from its surrounding in a clockwise direction successively,
Surface takes the lead in applying an extraneous load of be not more than its elastic telescopic intensity one thereon to recycle gel characteristic in itself,
It is spun off from rock surface, and keep the lines of its configuration of surface as former state；
(5) conserve：Conserved, made gel hardening.
Further, the analogy method also comprises the following steps：
(6) repeat the above steps (3)~(5), gathers more than the four anti-textures of rock surface, and selection integrality is stronger,
Texture more clearly silicone adhesive model.
Further, the step (3) gel is one-component silicone adhesive.
Further, in the step (3), the scraper plate being made of glass spreads a small amount of clear water on its surface.
In the step (3), when the surface area that need to be simulated exceedes preset value (such as 50cm*50cm), select from corner
The method that gluing screeding and compaction comes together to centre again that takes the lead in simulates its configuration of surface.
In the step (5), the environment of maintenance is：More than 23 DEG C, 50% relative humidity.
The analogy method of the field large-scale rock structural plane similarity surface of the present embodiment, comprises the steps of：
(1) field rock surface delimit the region of experiment：The rock surface for choosing needs research carries out the clear of surface to it
Reason, and be divided into several regions, being numbered.
(2) region division：The region of delimitation is separated using the small batten of 3mm thickness.
(3) gluing：Neutral one-component silicone collagen-based materials are chosen, it is got from glue bottle with glue gun, Ran Houyong
The scraper plate that glass is made, a small amount of clear water is spread as lubricant on its surface, and carrying out screeding and compaction to silicone adhesive surface makes silicon
Ketone glue and rock surface are completely attached to, and by its surfacing.Wherein need the minimum thickness control for ensureing silicone adhesive left in 3mm
It is right.If the surface area that need to be simulated is excessive, may be selected to be taken the lead in the method simulation that gluing screeding and compaction comes together to centre again from corner
The lines of configuration of surface is as former state.
(4) degumming：Treat that its hardness reaches 30%, first remove small batten from its surrounding in a clockwise direction successively, then profit
With silicone adhesive characteristic in itself, surface takes the lead in applying an extraneous load of be not more than its elastic telescopic intensity one thereon, makes
It spins off from rock surface, and keeps the lines of its configuration of surface as former state.
(5) conserve：More than 23 DEG C, in the environment of 50% relative humidity, it is higher by 5cm or so on silicone adhesive surface and disposes
Water-proof die plate, prevents rainwater from producing influence to silicone adhesive hardening in being mixed into silicone adhesive.For shorten curing time can be appropriate carry
Temperature and humidity in local environment high, with the time for accelerating its hardening to condense.
Surface undulation morphometry, comparative simulation table are carried out to protolith structural plane and silicone adhesive model using profilograph
Face and the similitude on protolith surface.(1 is shown in Table so that the size in model configuration face is as 100cm*100cm as an example), upper and lower dish structure face
Surface undulation degree and the numerical value of roughness value be more or less the same, the upper and lower dish structure surface roughness coefficient JRC of different scalen
Maximum relative error be less than 7.14%, mean error is 4.54%.It can be seen that can preferably meet examination using the analogy method
Test requirement.Table 1 is the fluctuating difference R of structural planeyWith roughness value JRCn
Table 1
The silicone adhesive that the present embodiment is used is the transparent neutral silicone adhesive raw material of one-component；Firm time is entered by its standard
OK, i.e., after 24 hours hardenable surface 3mm silicone adhesive；The silicone glue material for using is preferably provided with certain foaming and intumescing
Energy；Coefficient of elasticity with some strength, it is ensured that its configuration of surface when coming off does not change.
Claims (5)
1. a kind of analogy method of field large-scale rock structural plane similarity surface, it is characterised in that：The analogy method includes
Following steps：
(1) rock structural face region is selected and is surface-treated：The rock surface texture region for needing simulation delimited, and to the surface
Cleared up, removed miscellaneous piece of the rubble on surface, the small batten for reusing setting thickness is separated the region of delimitation；
(2) rock structural face classification judges：Rock sampling to having delimited, determines classification, composition and the mechanics ginseng of its rock
Number；
(3) gluing simulation：Neutral gel is chosen as simulation material, it is got from glue bottle with glue gun, to gel table
Face carry out it is floating completely attach to gel and rock surface, and by its surfacing, the minimum thickness of gel is controlled in 3~8mm；
(4) degumming process：Treat that hardness reaches preset value, first remove small batten from its surrounding in a clockwise direction successively, then profit
With gel characteristic in itself, surface takes the lead in applying an extraneous load for being not more than its elastic telescopic intensity thereon, makes it from rock
Stone surface spins off, and keeps the former state of its reverse lines；
(5) conserve：Conserved, made gel hardening；
(6) repeat the above steps (3)~(5), gathers more than the four anti-textures of rock surface, and selection integrality is stronger, texture
More clearly silicone adhesive model；
(7) obtain the surface undulation form in protolith structural plane and model structure face using configuration of surface measuring instrument, comparative analysis its
Similarity degree, when similarity degree is more than 95%, you can meet test requirements document.
2. the analogy method of large-scale rock structural plane similarity surface in field as claimed in claim 1, it is characterised in that：It is described
In step (3), the gel is one-component silicone adhesive.
3. the analogy method of large-scale rock structural plane similarity surface in field as claimed in claim 2, it is characterised in that：It is described
In step (3), the scraper plate being made of glass spreads a small amount of clear water on its surface.
4. the analogy method of large-scale rock structural plane similarity surface in field as claimed in claim 2, it is characterised in that：It is described
In step (3), when the surface area that need to be simulated exceedes preset value, selection is come together to centre again from the corner gluing screeding and compaction that takes the lead in
Method simulate its configuration of surface.
5. the analogy method of large-scale rock structural plane similarity surface in field as claimed in claim 2, it is characterised in that：It is described
In step (5), the environment of maintenance is：More than 23 DEG C, 50% relative humidity.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105865868B (en) * | 2016-04-01 | 2018-05-15 | 四川大学 | The artificially preparation method of the rock sample of structural plane containing different directions |
| CN108801203A (en) * | 2018-07-24 | 2018-11-13 | 佛山市高明曦逻科技有限公司 | A kind of sample collection method of farmland dry soil roughness measurement |
| CN108801202A (en) * | 2018-07-24 | 2018-11-13 | 佛山市高明曦逻科技有限公司 | A kind of sample collection method of soil surface local roughness detection |
| CN108801204B (en) * | 2018-07-24 | 2020-12-04 | 韩瑞峰 | Soil surface roughness detection sampling device and sampling method |
| CN109520798A (en) * | 2018-11-09 | 2019-03-26 | 绍兴文理学院 | The production method of more sizes, the multi-angle structure interview spliced mold of sample based on 3D printing |
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