CN106007605A - Anhydrous short-maintenance-time soft rock similar model material and preparation method thereof - Google Patents
Anhydrous short-maintenance-time soft rock similar model material and preparation method thereof Download PDFInfo
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- CN106007605A CN106007605A CN201610316633.2A CN201610316633A CN106007605A CN 106007605 A CN106007605 A CN 106007605A CN 201610316633 A CN201610316633 A CN 201610316633A CN 106007605 A CN106007605 A CN 106007605A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
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Abstract
The invention discloses an anhydrous short-maintenance-time soft rock similar model material. The material is prepared from, by weight, 100-150 parts of barite powder, 15-35 parts of coarse sand, 40-60 parts of gypsum, 5-15 parts of an ethyl alcohol rosin solution and 10-20 parts of iron oxide yellow. By means of reasonable matching, single-axis compressive strength, three-axis compressive strength, tensile strength, elasticity modulus and other strength and deformation parameters of the similar material have large variation ranges, the adopted materials have very similar physical performance and mechanical performance with original structure materials, the physical performance, the mechanical performance, the chemical performance, the thermal performance and other performance of the material are stable, the material can simulate the mechanical performance of weak surrounding rock better, deformation characteristics are uniform, and the material has very good compound cementing performance, has no toxic or side effect and does not hurt the human body. The raw materials are wide in source range, low in price, convenient to manufacture, easy to form and short in solidification time, and the raw materials have excellent workability before solidification and are convenient to construct and repair.
Description
Technical field
The present invention relates to model test analog material, particularly to a kind of anhydrous short maintenance softrock-like model material
Material and preparation method thereof.
Background technology
Rock salt uniaxial compressive strength and elastic modelling quantity are relatively low, the elastic modelling quantity of soft rock and odd-numbered day axle comprcssive strength
Ratio wants little 1-2 the order of magnitude compared with sandstone, granite etc., and the plastic deformation ability of soft rock is big, tool
Having the characteristics such as low, the damage self-recoverage of porosity, its mechanical behavior is considerably complicated.Existing on-the-spot test means are also
It is difficult to Rock-salt Cavity surrouding rock stress, strain characteristics and the Instability that buried depth is bigger is observed.Phase
Like simulation test research, can be by selecting suitable analog material and the likelihood ratio, by a series of strict controls
The boundary condition of system simulates this Mechanics Phenomenon, and the required manpower and materials of analog simulation test are few, test
Effect understands that intuitively the test period is short.Therefore, appropriately select analog material, carry out the analog simulation of soft rock
Test is a kind of feasible solution of research Rock-salt Cavity stability.At present, the analog material that test chamber uses leads to
Chang You: 1. quartz sand, Gypsum Fibrosum and cement admixture；2. blanc fixe, glued membrane iron powder and Colophonium alcoholic solution；
3. cement, Gypsum Fibrosum；4. Iron Ore Powder, fluvial sand, Gypsum Fibrosum and cement, additive；5. Iron Ore Powder, blanc fixe
Making aggregate with quartz sand, Colophonium and alcoholic solution make cementing agent, and Gypsum Fibrosum powder makes adjustments agent；6. blanc fixe,
Gypsum Fibrosum, sand, glycerol compound；7. blanc fixe, Gypsum Fibrosum, glycerol compound；8. blanc fixe, swollen
Profit soil compound；9. blanc fixe, weight silica flour compound etc..These analog materials and the mechanical property of rock
Similar, but these materials are typically to be used for simulating brittle rock, have bigger unit weight, bullet ratio by force is logical
Often the biggest, material plasticity deformability is poor, is unsuitable for simulation soft rock is this have low unit weight, low bullet by force than,
The rock that rheological characteristic is strong.Accordingly, it would be desirable to develop corresponding analog material to meet the needs of laboratory study.
In recent years, the research of modeling material is all attached great importance to by the most many units, have developed a lot of model material
Material, but the analog material being specific to weak surrounding rock is little, and the most certain weak point.Existing
In modeling material, the overwhelming majority all includes water or glycerol, makes very inconvenient, and curing time is long.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of anhydrous short maintenance softrock-like modeling material and
Preparation method, material therefor and leiomyoma cells have closely similar physics, mechanical property, can more preferable mould
Intending weak surrounding rock mechanical property, have no side effect and will not damage human body, raw material is easy to get, and price is low
Honest and clean, easy to make, curing cycle is short.
The anhydrous short maintenance softrock-like modeling material of the present invention, described material feedstock includes following by weight
Component:
Blanc fixe 100～150 parts, coarse sand 15～35 parts, Gypsum Fibrosum 40～60 parts, ethanol rosin solution 5～15
Part, iron oxide yellow 10～20 parts；
Further, described material feedstock includes following components by weight:
Blanc fixe 130 parts, coarse sand 25 parts, 50 parts of Gypsum Fibrosum, ethanol rosin solution 10 parts, ferrum oxide
Yellow 15 parts；
Further, the concentration of described ethanol rosin solution is 5～20%；
Further, the particle diameter of described blanc fixe is 300-400 mesh；
Further, the particle diameter of described coarse sand is 10～20 mesh.
Invention additionally discloses the preparation method of a kind of anhydrous short maintenance softrock-like modeling material, including following step
Rapid:
A. prepared by ethanol rosin solution: after Colophonium is dissolved in ethanol, sealing and standing is to being completely dissolved；
B. through compaction moulding room temperature maintenance 2-3 days after each raw material uniformly being mixed；
Further, in step a, after Colophonium powder is broken into powder, it is dissolved in ethanol sealing and standing 2～3 days；
Further, in step b, first will add wine after blanc fixe, coarse sand and Gypsum Fibrosum elder generation mixing and stirring
Essence Colophonium and iron oxide yellow stir；
Further, it is 100 mesh～the powder of 200 mesh that Colophonium powder is broken into particle diameter.
Beneficial effects of the present invention: anhydrous short maintenance softrock-like modeling material of the present invention and preparation method thereof,
Allocated by the proportioning of advantages of simple, single, triaxial shear strength, tensile strength, the springform of simulation material
Amount equal strength is respectively provided with bigger excursion with deformation parameter, and material therefor and leiomyoma cells have very phase
As physics, mechanical property, the stable performance such as the physics of material, mechanics, chemistry, calorifics, can be preferably
Simulation weak surrounding rock mechanical property, deformation behaviour is unified, there is the most compound cementing properties, and nontoxic secondary make
With damaging human body, raw material sources is wide, cheap, easy to make, easy molding, solidifying
Gu the time is short, there is the workability of excellence, it is simple to construct and repair before solidification.
Detailed description of the invention
The anhydrous short maintenance softrock-like modeling material of the present embodiment, described material feedstock include by weight with
Lower component:
Blanc fixe 100～150 parts, coarse sand 15～35 parts, Gypsum Fibrosum 40～60 parts, ethanol rosin solution 5～15
Part, iron oxide yellow 10～20 parts；Owing to Gypsum Fibrosum exists elastic modelling quantity adjustable extent not quite, ultimate compressive is strong
Spend too small with the ratio of tensile strength, and Gypsum Fibrosum is water-soluble material, is easily affected by temperature and humidity, and
Slow-drying, therefore, use said components and pass through rational proportion relation, make physics, mechanics, chemistry,
The performances such as calorifics reach optimal and keep preferable stability, and the content of blanc fixe can significantly affect phase
Like the severe of material, the content of Gypsum Fibrosum can significantly affect the mechanical property of analog material, the content of each component
Too much or the very few performance all directly affecting analog material, such as: along with gypsum content increases, elastic modelling quantity,
Cohesion and uniaxial compressive strength all increase, but internal friction angle is in the trend gradually decreased, and therefore increase Gypsum Fibrosum
Content not only can increase the intensity of analog material, and can increase the fragility of material；In above-mentioned raw materials,
If the consumption of sand is excessive, the porosity that can cause sand is relatively big, causes analog material to deform when pressurized excessive,
Sand content increase causes elastic modelling quantity to increase rapidly, but uniaxial compressive strength reduces rapidly, and this makes carrying out
During tunnel model test, it is difficult to control the stability of analog material volume.Therefore, sand content should be according to other
The grating of each component, and the granule size of self determined, the content of each component is mutually restriction, mutually
Impact, be that an organic combination side is to obtain optimal proportion relation；Although it addition, sand and Colophonium wine
The model that essence solution is made and rock material have good concordance, but when Colophonium is little with the mass ratio of sand
When certain value, there is the significant strain softening stage；When the mass ratio of Colophonium with sand is more than certain value,
Its feature is progressively transferred to brittle break by ductile fracture, therefore can preferably can obtain by changing proportioning
To simulation soft rock to the similar materials of hard rock.
The softrock-like material of the present invention, by the synergism of each component and optimization, shows that Gypsum Fibrosum improves mechanics
The effect of performance is given full play to, and overcomes again the defect of Gypsum Fibrosum self simultaneously, and this is all by each component
Organic assembling, synergism and the unique processing in proportioning be achieved, the phase between raw material
Capacitive is good, makes obtained analog material not affected by temperature and humidity, and setting time is short, therefore maintenance
Cycle is short, and the analog material obtained can simulate different grades of soft by changing raw-material content
Weak country rock, and deformation behaviour is unified.
In the present embodiment, described material feedstock includes following components by weight:
Blanc fixe 130 parts, coarse sand 25 parts, 50 parts of Gypsum Fibrosum, ethanol rosin solution 10 parts, ferrum oxide
Yellow 15 parts.
In the present embodiment, the concentration of described ethanol rosin solution is 5～20%.
In the present embodiment, the particle diameter of described blanc fixe is 300～400 mesh；The particle diameter of described coarse sand be 10～
20 mesh；The thickness of coarse sand and grating are the key factors determining analog material, blanc fixe and the particle diameter of coarse sand
Selecting to directly affect the performance of obtained analog material, making whole material be maximized favourable factors and minimized unfavourable ones, to realize it optimal
Function and effect, its grating and particle diameter adapt with the particle size in leiomyoma cells and grating.
Invention additionally discloses the preparation method of a kind of anhydrous short maintenance softrock-like modeling material, including following step
Rapid:
A. prepared by ethanol rosin solution: after Colophonium is dissolved in ethanol, sealing and standing is to being completely dissolved；
B. through compaction moulding room temperature maintenance 2-3 days after each raw material uniformly being mixed；Easy to make, easily become
Type, setting time is short, has the workability of excellence, it is simple to construct and repair before solidification.
In the present embodiment, in step a, after Colophonium powder is broken into powder, it is dissolved in ethanol sealing and standing 2～3 days；
It is easy to fully dissolve.
In the present embodiment, in step b, first add after blanc fixe, coarse sand and Gypsum Fibrosum elder generation mixing and stirring
Enter ethanol Colophonium and iron oxide yellow stirs；Improve dispersibility, also allow for raw-material uniform mixing simultaneously.
In the present embodiment, Colophonium powder is broken into the powder that particle diameter is 100～150 mesh.
Below by specific embodiment, the softrock-like material of the present invention is described further.
Embodiment one
The anhydrous short maintenance softrock-like modeling material of the present embodiment, according to the country rock that modeling material is to be simulated
Rank, described material feedstock includes following components by weight:
Blanc fixe 130 parts, coarse sand 25 parts, 50 parts of Gypsum Fibrosum, ethanol rosin solution 10 parts, ferrum oxide
Yellow 10～20 parts.
In the present embodiment, the concentration of described ethanol rosin solution is 18.5%.
In the present embodiment, the particle diameter of described blanc fixe is 400 mesh.
In the present embodiment, the particle diameter of described coarse sand is 10 mesh.
The anhydrous short maintenance softrock-like modeling material preparation method of the present embodiment comprises the following steps:
A. prepared by ethanol rosin solution: Colophonium Colophonium powder is broken into the powder that particle diameter is 150 mesh and is dissolved in ethanol
In rear loading vial, sealing and standing 2 days is to being completely dissolved；
B. through compaction moulding room temperature maintenance 2 days after each raw material uniformly being mixed by setting weight part.
Embodiment two
The anhydrous short maintenance softrock-like modeling material of the present embodiment, according to the country rock that modeling material is to be simulated
Rank, described material feedstock includes following components by weight:
Blanc fixe 120 parts, coarse sand 25 parts, 50 parts of Gypsum Fibrosum, ethanol rosin solution 10 parts, ferrum oxide
Yellow 20 parts.
In the present embodiment, the concentration of described ethanol rosin solution is 10%.
In the present embodiment, the particle diameter of described blanc fixe is 300 mesh.
In the present embodiment, the particle diameter of described coarse sand is 10 mesh.
The anhydrous short maintenance softrock-like modeling material preparation method of the present embodiment comprises the following steps:
A. prepared by ethanol rosin solution: Colophonium Colophonium powder is broken into the powder that particle diameter is 150 mesh and is dissolved in ethanol
In rear loading vial, sealing and standing 3 days is to being completely dissolved；
B. through compaction moulding room temperature maintenance 2 days after each raw material uniformly being mixed by setting weight part.
Embodiment three
The anhydrous short maintenance softrock-like modeling material of the present embodiment, according to the country rock that modeling material is to be simulated
Rank, described material feedstock includes following components by weight:
Blanc fixe 110 parts, coarse sand 20 parts, 50 parts of Gypsum Fibrosum, ethanol rosin solution 10 parts, ferrum oxide
Yellow 15 parts.
In the present embodiment, the concentration of described ethanol rosin solution is 10%.
In the present embodiment, the particle diameter of described blanc fixe is 400 mesh.
In the present embodiment, the particle diameter of described coarse sand is 20 mesh.
The anhydrous short maintenance softrock-like modeling material preparation method of the present embodiment comprises the following steps:
A. prepared by ethanol rosin solution: Colophonium Colophonium powder is broken into the powder that particle diameter is 100 mesh and is dissolved in ethanol
In rear loading vial, sealing and standing 2 days is to being completely dissolved；
B. press setting weight part and first will add ethanol after blanc fixe, coarse sand and Gypsum Fibrosum elder generation mixing and stirring
Colophonium and iron oxide yellow stir after through compaction moulding room temperature maintenance 2 days.
Embodiment four
The anhydrous short maintenance softrock-like modeling material of the present embodiment, according to the country rock that modeling material is to be simulated
Rank, described material feedstock includes following components by weight:
Blanc fixe 100 parts, coarse sand 20 parts, 60 parts of Gypsum Fibrosum, ethanol rosin solution 10 parts, ferrum oxide
Yellow 10 parts.
In the present embodiment, the concentration of described ethanol rosin solution is 10%.
In the present embodiment, the particle diameter of described blanc fixe is 400 mesh.
In the present embodiment, the particle diameter of described coarse sand is 10 mesh.
The anhydrous short maintenance softrock-like modeling material preparation method of the present embodiment comprises the following steps:
A. prepared by ethanol rosin solution: Colophonium Colophonium powder is broken into the powder that particle diameter is 150 mesh and is dissolved in ethanol
In rear loading vial, sealing and standing 2.5 days is to being completely dissolved；
B. press setting weight part and first will add ethanol after blanc fixe, coarse sand and Gypsum Fibrosum elder generation mixing and stirring
Colophonium and iron oxide yellow stir after through compaction moulding room temperature maintenance 2.5 days.
Embodiment five
The anhydrous short maintenance softrock-like modeling material of the present embodiment, according to the country rock that modeling material is to be simulated
Rank, described material feedstock includes following components by weight:
Blanc fixe 100 parts, coarse sand 15 parts, 40 parts of Gypsum Fibrosum, ethanol rosin solution 5 parts, iron oxide yellow
20 parts.
In the present embodiment, the concentration of described ethanol rosin solution is 5%.
In the present embodiment, the particle diameter of described blanc fixe is 350 mesh.
In the present embodiment, the particle diameter of described coarse sand is 15 mesh.
The anhydrous short maintenance softrock-like modeling material preparation method of the present embodiment comprises the following steps:
A. prepared by ethanol rosin solution: Colophonium Colophonium powder is broken into the powder that particle diameter is 150 mesh and is dissolved in ethanol
In rear loading vial, sealing and standing 2 days is to being completely dissolved；
B. press setting weight part and first will add ethanol after blanc fixe, coarse sand and Gypsum Fibrosum elder generation mixing and stirring
Colophonium and iron oxide yellow stir after through compaction moulding room temperature maintenance 3 days.
Embodiment six
The anhydrous short maintenance softrock-like modeling material of the present embodiment, according to the country rock that modeling material is to be simulated
Rank, described material feedstock includes following components by weight:
Blanc fixe 150 parts, coarse sand 35 parts, 60 parts of Gypsum Fibrosum, ethanol rosin solution 15 parts, ferrum oxide
Yellow 12 parts.
In the present embodiment, the concentration of described ethanol rosin solution is 20%.
In the present embodiment, the particle diameter of described blanc fixe is 320 mesh.
In the present embodiment, the particle diameter of described coarse sand is 18 mesh.
The anhydrous short maintenance softrock-like modeling material preparation method of the present embodiment comprises the following steps:
A. prepared by ethanol rosin solution: Colophonium Colophonium powder is broken into the powder that particle diameter is 160 mesh and is dissolved in ethanol
In rear loading vial, sealing and standing 2.5 days is to being completely dissolved；
B. press setting weight part and first will add ethanol after blanc fixe, coarse sand and Gypsum Fibrosum elder generation mixing and stirring
Colophonium and iron oxide yellow stir after through compaction moulding room temperature maintenance 2 days.
The analog material of above-described embodiment, through related experiment, measures the physics of above-described embodiment and mechanics parameter such as
Following table:
The analog material raw material of the present invention also can add the sea sand of 5-10 part, sea sand surface smoother, grain
Footpath is little, and coarse sand is used in mixed way the performance improving analog material.Also can add the rubber powder of 5-10 part, rubber
The granularity of powder is 35-45 mesh, and processes through in the following manner: be 1% sodium hydroxide solution by rubber powder in concentration
Middle immersion 35-45 minute, then rinses rubber powder, last natural air drying, described rubber powder and hydrogen with clear water
The mass ratio of sodium hydroxide solution is 1:10-1:15, and the apparent density of rubber powder is 1020kg/m3, also can add
0.5-1 part methyl methacrylate and the liquid detergent of 0.5-1 part, described liquid detergent is commercially available neutral laundry liquid.
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although
With reference to preferred embodiment, the present invention is described in detail, it will be understood by those within the art that,
Technical scheme can be modified or equivalent, without deviating from technical solution of the present invention
Objective and scope, it all should be contained in the middle of scope of the presently claimed invention.
Claims (9)
1. an anhydrous short maintenance softrock-like modeling material, it is characterised in that: described material feedstock is by weight
Part includes following components:
Blanc fixe 100～150 parts, coarse sand 15～35 parts, Gypsum Fibrosum 40～60 parts, ethanol rosin solution 5～15
Part, iron oxide yellow 10～20 parts.
Anhydrous short maintenance softrock-like modeling material the most according to claim 1, it is characterised in that: institute
State material feedstock and include following components by weight:
Blanc fixe 130 parts, coarse sand 25 parts, 50 parts of Gypsum Fibrosum, ethanol rosin solution 10 parts, ferrum oxide
Yellow 15 parts.
Anhydrous short maintenance softrock-like modeling material the most according to claim 2, it is characterised in that: institute
The concentration stating ethanol rosin solution is 5～20%.
Anhydrous short maintenance softrock-like modeling material the most according to claim 3, it is characterised in that: institute
The particle diameter stating blanc fixe is 300～400 mesh.
Anhydrous short maintenance softrock-like modeling material the most according to claim 3, it is characterised in that: institute
The particle diameter stating coarse sand is 10～20 mesh.
6. a preparation method for the anhydrous short maintenance softrock-like modeling material described in claim 1, it is special
Levy and be: comprise the following steps:
A. prepared by ethanol rosin solution: after Colophonium is dissolved in ethanol, sealing and standing is to being completely dissolved；
B. through compaction moulding room temperature maintenance 2-3 days after each raw material uniformly being mixed.
The preparation method of anhydrous short maintenance softrock-like modeling material the most according to claim 6, it is special
Levy and be: in step a, after Colophonium powder is broken into powder, be dissolved in ethanol sealing and standing 2～3 days.
The preparation method of anhydrous short maintenance softrock-like modeling material the most according to claim 7, it is special
Levy and be: in step b, first will add ethanol pine after blanc fixe, coarse sand and Gypsum Fibrosum elder generation mixing and stirring
Fragrant and iron oxide yellow stirs.
The preparation method of anhydrous short maintenance softrock-like modeling material the most according to claim 8, it is special
Levy and be: Colophonium powder is broken into the powder that particle diameter is 100～200 mesh.
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| CN109053035A (en) * | 2018-09-05 | 2018-12-21 | 成都理工大学 | A kind of soft rock layer during similar model test material and its method for preparing soft rock scale model |
| CN110194611A (en) * | 2019-06-28 | 2019-09-03 | 长沙理工大学 | Silty analog material and preparation method thereof |
| CN111892370A (en) * | 2020-08-14 | 2020-11-06 | 三峡大学 | Similar material for simulating degraded rock mass in geomechanical model test and proportion determining method |
| CN113173737A (en) * | 2021-05-10 | 2021-07-27 | 四川华能泸定水电有限公司 | Model similar material for simulating slope dangerous rock mass and preparation method thereof |
| CN116023118A (en) * | 2022-12-12 | 2023-04-28 | 中国建筑第五工程局有限公司 | Red layer soft rock similar material simulating progressive disintegration and preparation method and device thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109053035A (en) * | 2018-09-05 | 2018-12-21 | 成都理工大学 | A kind of soft rock layer during similar model test material and its method for preparing soft rock scale model |
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| CN110194611A (en) * | 2019-06-28 | 2019-09-03 | 长沙理工大学 | Silty analog material and preparation method thereof |
| CN110194611B (en) * | 2019-06-28 | 2021-04-09 | 长沙理工大学 | Silty mudstone similar material and preparation method thereof |
| CN111892370A (en) * | 2020-08-14 | 2020-11-06 | 三峡大学 | Similar material for simulating degraded rock mass in geomechanical model test and proportion determining method |
| CN113173737A (en) * | 2021-05-10 | 2021-07-27 | 四川华能泸定水电有限公司 | Model similar material for simulating slope dangerous rock mass and preparation method thereof |
| CN116023118A (en) * | 2022-12-12 | 2023-04-28 | 中国建筑第五工程局有限公司 | Red layer soft rock similar material simulating progressive disintegration and preparation method and device thereof |
| CN116023118B (en) * | 2022-12-12 | 2023-09-15 | 中国建筑第五工程局有限公司 | Red layer soft rock similar material simulating progressive disintegration and preparation method and device thereof |
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| Publication number | Publication date |
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| CN106007605B (en) | 2020-01-07 |
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