CN107986681A - For simulating the geomechanics model analog material and preparation method of interlayer in rock mass - Google Patents
For simulating the geomechanics model analog material and preparation method of interlayer in rock mass Download PDFInfo
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- CN107986681A CN107986681A CN201711264955.8A CN201711264955A CN107986681A CN 107986681 A CN107986681 A CN 107986681A CN 201711264955 A CN201711264955 A CN 201711264955A CN 107986681 A CN107986681 A CN 107986681A
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/26—Bituminous materials, e.g. tar, pitch
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00991—Uses not provided for elsewhere in C04B2111/00 for testing
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
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Abstract
The present invention relates to a kind of geomechanics model analog material and preparation method for being used to simulate interlayer in rock mass, belong to the analog material and its preparing technical field for geomechanical model test.100 parts of blanc fixe, 54 degree of 5 10 parts of semi-refined paraffin waxs, No. 32 5 10 parts of hydraulic oil, 5 20 parts of bentonite, 2 10 parts of talcum powder.Bentonite used is more loose in the analog material of simulation weak intercalated layer provided by the present invention, and there is preferable plasticity and cohesiveness, thus can be greatly lowered the unit weight of resulting materials, and can be by adjusting its dosage with hydraulic oil, semi-refined paraffin wax and talcum powder, make unit weight, cohesive strength, friction coefficient and the deformation modulus of resulting materials can be in interior change in a big way, the geomechanics model analog material of the simulation different weak of correlative study selection is provided for this area, it is a kind of comparatively ideal cast material, has filled up the blank of the prior art.
Description
Technical field
The invention belongs to the analog material and its preparing technical field for geomechanical model test, and in particular to a kind of
Geomechanics model analog material for simulating different weak in rock mass and preparation method thereof.
Background technology
Geomechanical model test is to carry out reduced scale research to specific engineering geological problems according to certain principle of similitude
A kind of method, the main purpose of experiment be ultimate bearing capacity of the various buildings of research under outer load action, damage -form,
Failure mechanism and deformation distribution characteristics.The research contents of geomechanical model test is not limited only to a certain shape under primaryload
State, it is often more important that up to the whole change procedure destroyed under cumulative load action, it uses real physical entity for research,
Meeting that material is similar, especially under mechanics condition of similarity, can truly reflect the relation between geological structure and engineering construction,
Energy model engineering building can more intuitively represent result of the test to influence caused by foundation.
Modern age, more and more buildings needed to be built in intricately due to production and construction and the development of science and technology
On the ground that texture is made, the problems such as influence to fabric structure of the Against Sliding Stability problem of building, foundation deformation is all geology
The main contents that Mechanical Model Test is studied.
The hydroelectric project that China is building and will build at present, due to engineering location, not only geological structure is complicated,
And there is more different types of stratiform or weak thin layer, i.e. weak intercalated layer, the thickness ratio phase of weak intercalated layer in rock mass
Adjacent rock stratum it is small, mechanical strength and deformation modulus are relatively low.By the origin cause of formation, weak intercalated layer can be divided into two class of primary type and secondary type.
The former accompanies clay homogenous rock stratum or mud stone thin layer at rock stratum such as based on quartzy sandstone；The latter is weathering, leaching or interlayer
Shearing and fault movement and the weak intercalated layer that is formed.The physical and mechanical properties of these different type weak intercalated layers, such as unit weight, become
Shape modulus, cohesive strength and friction coefficient etc. differ greatly.Existing weak intercalated layer can be to the antiskid of Dam Foundation Rock in Dam Foundation Rock
Stability produces unusual detrimental effect, therefore its monolithic stability safety problem is one of key issue of engineering, geomechanics
Model test is to study a kind of important method of the problem.
In Geo-Mechanical Model Test Process, the model material similar to prototype weak intercalated layer physical and mechanical property is developed
Material is the basis of model test, and whether model test is successfully crucial therefore each in rock mass structure accurately to simulate
Class weak intercalated layer is, it is necessary to prepare the weak intercalated layer cast material for meeting similarity relation.
At present, it is similar in geomechanical model test research process, the model for having prepared different classes of rock
Material, such as following several classes：
1st, using epoxy resin as the blanc fixe of gelling agent and the mixture of lime stone【Oberti G,Fumagalli
E.Static-geomechanical model of the Ridracoliarch-grabity dam,4th ISRM,1979】。
2nd, the MIB materials that the primary carp of Wuhan Water Conservancy and Electric Power Univ Korea Spro is developed【The primary carp of Korea Spro, Chen Xialing, peaceful pleasure etc..Rock mass is similar
The research [J] of material.Wuhan Water Conservancy and Electric Power Univ's journal, 1997,30 (2)：6-9】.The material is using rosin alcoholic solution as glue
Agent is tied, blooming iron powder is coarse aggregate, and blanc fixe is fine aggregate.
3rd, the NIOS analog materials that Tsinghua University develops【Ma Fangping, Li Zhongkui, Luo Guangfu.NIOS cast materials and its
Application in geomechanical model test, hydroelectric generation journal, 2004,23 (1)：48-51】.Contain major ingredient in the cast material
Magnetite powder, binding agent gypsum or cement, mixing water and additive.
It is but less for the similar model material report of different weak in rock mass structure.
The content of the invention
The present invention provides a kind of geomechanics model analog material and preparation method for being used to simulate interlayer in rock mass, purpose
To be directed to state of the art, there is provided a kind of physical and mechanical properties can interior change in a big way, for simulating in rock mass
Geomechanics model analog material of different weak and preparation method thereof.
The present invention adopts the technical scheme that, is made of the raw material of following mass parts：
100 parts of blanc fixe, 54 degree of 5-10 parts of semi-refined paraffin waxs, No. 32 5-10 parts of hydraulic oil, 5-20 parts of bentonite, talcum
2-10 parts of powder；
The particle diameter of the blanc fixe is 200 mesh；
A kind of preparation method for the geomechanics model analog material for being used to simulate interlayer in rock mass, comprises the following steps：
1) first 100 parts of particle diameters are uniformly mixed for 54 degree of semi-refined paraffin waxs of blanc fixe and 5-10 parts of 200 mesh, then dried
Dry water removal, taking-up are cooled to room temperature；
2) No. 32 hydraulic oil of 5-10 parts are added in the blanc fixe and 54 degree of semi-refined paraffin waxs of drying and be uniformly mixed, so
Afterwards by the material disintegrating mixed to its particle diameter ＜ 1mm；
3) 5-20 parts of bentonites and 2-10 parts of talcum powder are added to blanc fixe, 54 degree of semi-refined paraffin waxs and hydraulic oil
It is uniformly mixed in mixture.
In use, being first according to the physical and mechanical property of prototype weak intercalated layer, then cast material is determined by similarity relation
Indices.Select appropriate material mixture ratio to be tested after preparing analog material by the above process on testing machine, meet
It is required that can be used in geomechanical model test.
It is an advantage of the invention that：
1st, since bentonite used in the analog material of simulation weak intercalated layer provided by the present invention is more loose, and have
There are preferable plasticity and cohesiveness, thus can be greatly lowered the unit weight of resulting materials, and can be by adjusting itself and hydraulic pressure
The dosage of oil, semi-refined paraffin wax and talcum powder, makes unit weight, cohesive strength, friction coefficient and the deformation modulus of resulting materials can be
Interior change in a big way, the similar material of geomechanics model of the simulation different weak of correlative study selection is provided for this area
Material, has filled up the blank of the prior art.
2nd, since the physical and mechanical properties of each composition material of the present invention are stablized, it is not easy by external environment shadow
Ring, also do not react to each other between each composition in addition, thus resulting materials is unlikely to because the reason for composition causes material to exist
Experiment process changes and influences result of the test, is a kind of comparatively ideal cast material.
3rd, since raw materials of the present invention derive from a wealth of sources, and have no toxic side effect, thus resulting materials are being prepared and made
Damaged in all without to human body.
4th, since the preparation of the method for the present invention is convenient, only carry out conventional drying to raw material, other preparation process be all
Conventional mixing is carried out at room temperature, thus it is low to consume energy, preparation efficiency is high, and cost is low.
Embodiment
It should be noted that 1) number of each material of following embodiments is mass parts；2) obtained by example 1 below~6
Cohesive strength, friction coefficient and the distorted pattern value of material are that the material is made unit weight is 16KN/m3Sample measure；Implement
Cohesive strength, friction coefficient and the distorted pattern value of 7~12 resulting materials of example are that the material is made unit weight is 18KN/m3Sample
Measure；Cohesive strength, friction coefficient and the distorted pattern value of 13~18 resulting materials of embodiment are that the material is made unit weight to be
20KN/m3Sample measure；Cohesive strength, friction coefficient and the distorted pattern value of 19~24 resulting materials of embodiment are by the material
It is 22KN/m that unit weight, which is made, in material3Sample measure.
Embodiment 1
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 5 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；5 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；5 parts of bentonites and 10 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 152Pa, friction coefficient 0.34, deformation modulus 0.76MPa.
Embodiment 2
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 8 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；5 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；15 parts of bentonites and 4 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 325Pa, friction coefficient 0.37, deformation modulus 0.87MPa.
Embodiment 3
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 8 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；8 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；15 parts of bentonites and 4 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 287Pa, friction coefficient 0.33, deformation modulus 0.85MPa.
Embodiment 4
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 10 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；8 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；20 parts of bentonites and 2 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 385Pa, friction coefficient 0.36, deformation modulus 0.91MPa.
Embodiment 5
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 5 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；10 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；5 parts of bentonites and 10 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 108Pa, friction coefficient 0.23, deformation modulus 0.45MPa.
Embodiment 6
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 10 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；10 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；20 parts of bentonites and 2 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 375Pa, friction coefficient 0.32, deformation modulus 0.85MPa.
Embodiment 7
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 5 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；5 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；5 parts of bentonites and 10 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 174Pa, friction coefficient 0.38, deformation modulus 0.86MPa.
Embodiment 8
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 10 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；5 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；20 parts of bentonites and 2 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 462Pa, friction coefficient 0.45, deformation modulus 1.09MPa.
Embodiment 9
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 8 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；8 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；15 parts of bentonites and 4 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 331Pa, friction coefficient 0.38, deformation modulus 0.97MPa.
Embodiment 10
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 10 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；8 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；20 parts of bentonites and 2 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 442Pa, friction coefficient 0.40, deformation modulus 1.04MPa.
Embodiment 11
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 5 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；10 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；5 parts of bentonites and 10 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 124Pa, friction coefficient 0.26, deformation modulus 0.52MPa.
Embodiment 12
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 8 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；10 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；10 parts of bentonites and 7 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 236Pa, friction coefficient 0.31, deformation modulus 0.75MPa.
Embodiment 13
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 8 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；5 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；15 parts of bentonites and 4 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 413Pa, friction coefficient 0.47, deformation modulus 1.15MPa.
Embodiment 14
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 10 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；5 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；20 parts of bentonites and 2 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 507Pa, friction coefficient 0.50, deformation modulus 1.21MPa.
Embodiment 15
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 5 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；8 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；5 parts of bentonites and 10 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 160Pa, friction coefficient 0.36, deformation modulus 0.86MPa.
Embodiment 16
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 8 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；8 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；10 parts of bentonites and 7 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 325Pa, friction coefficient 0.38, deformation modulus 1.03MPa.
Embodiment 17
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 5 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；10 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；5 parts of bentonites and 10 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 138Pa, friction coefficient 0.29, deformation modulus 0.57MPa.
Embodiment 18
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 10 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；10 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；20 parts of bentonites and 2 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 479Pa, friction coefficient 0.41, deformation modulus 1.09MPa.
Embodiment 19
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 8 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；5 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；15 parts of bentonites and 4 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 453Pa, friction coefficient 0.52, deformation modulus 1.23MPa.
Embodiment 20
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 10 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；5 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；20 parts of bentonites and 2 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 558Pa, friction coefficient 0.55, deformation modulus 1.33MPa.
Embodiment 21
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 5 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；58 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；5 parts of bentonites and 10 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 172Pa, friction coefficient 0.40, deformation modulus 0.96MPa.
Embodiment 22
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 8 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；8 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；10 parts of bentonites and 7 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 359Pa, friction coefficient 0.42, deformation modulus 1.10MPa.
Embodiment 23
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 5 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；10 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；5 parts of bentonites and 10 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 152Pa, friction coefficient 0.32, deformation modulus 0.63MPa.
Embodiment 24
First 100 parts of particle diameters are uniformly mixed for the blanc fixe of 200 mesh and 10 parts of 54 degree of semi-refined paraffin waxs, then in 90 DEG C
It is lower dry 3 it is small when remove water, taking-up is cooled to room temperature；10 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and semi-refined stone
It is uniformly mixed in wax, then by the material disintegrating mixed to its particle diameter ＜ 1mm；20 parts of bentonites and 2 parts of talcum powder are added
It is uniformly mixed into the mixture of blanc fixe, paraffin and machine oil.
The cohesive strength of the material is 523Pa, friction coefficient 0.45, deformation modulus 1.25MPa.
The mass unit of blanc fixe is set to 100 in testing of materials research process, material mixture ratio, other components
Depending on content is with the mass ratio with blanc fixe.It in test specimen unit weight is 16KN/m that distorted pattern value in table 1,2,3,4, which is,3、
18KN/m3、20KN/m3、22KN/m3Under conditions of measure.
Table 1
Table 2
Table 3
Table 4
Above example is served only for that the present invention is further described, it is impossible to is interpreted as the limit to the scope of the present invention
System, and the person skilled in the art in the field makes the present invention according to foregoing invention content some nonessential modifications and adaptations,
Still fall within protection scope of the present invention.
Claims (3)
1. a kind of geomechanics model analog material for being used to simulate interlayer in rock mass, it is characterised in that be by following mass parts
Raw material made of：
100 parts of blanc fixe, 54 degree of 5-10 parts of semi-refined paraffin waxs, No. 32 5-10 parts of hydraulic oil, 5-20 parts of bentonite, talcum powder 2-
10 parts.
2. a kind of geomechanics model analog material for being used to simulate interlayer in rock mass, its feature exist according to claim 1
In the particle diameter of the blanc fixe is 200 mesh.
3. a kind of preparation method for the geomechanics model analog material for being used to simulate interlayer in rock mass as claimed in claim 1,
It is characterized by composing the following steps：
1) first 100 parts of particle diameters are uniformly mixed for 54 degree of semi-refined paraffin waxs of blanc fixe and 5-10 parts of 200 mesh, then drying removes
Water, taking-up are cooled to room temperature；
2) No. 32 hydraulic oil of 5-10 parts are added in the blanc fixe and 54 degree of semi-refined paraffin waxs of drying and be uniformly mixed, then will
The material disintegrating mixed is to its particle diameter ＜ 1mm；
3) 5-20 parts of bentonites and 2-10 parts of talcum powder are added to the mixing of blanc fixe, 54 degree of semi-refined paraffin waxs and hydraulic oil
It is uniformly mixed in thing.
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| CN112408839A (en) * | 2020-10-30 | 2021-02-26 | 江西省港航建设投资集团有限公司 | Weak soil similar material and preparation method and application thereof |
| 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 |
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| CN104119061A (en) * | 2014-06-27 | 2014-10-29 | 四川大学 | Geomechanical model similar material for simulating cover layer and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112408839A (en) * | 2020-10-30 | 2021-02-26 | 江西省港航建设投资集团有限公司 | Weak soil similar material and preparation method and application thereof |
| 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 |
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