CN108569868A - Modified similar material and preparation method thereof - Google Patents
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- CN108569868A CN108569868A CN201710136784.4A CN201710136784A CN108569868A CN 108569868 A CN108569868 A CN 108569868A CN 201710136784 A CN201710136784 A CN 201710136784A CN 108569868 A CN108569868 A CN 108569868A
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- 239000000463 material Substances 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 34
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000004568 cement Substances 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims description 23
- 239000010705 motor oil Substances 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 12
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 23
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000010720 hydraulic oil Substances 0.000 abstract 1
- 231100000331 toxic Toxicity 0.000 abstract 1
- 230000002588 toxic effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 27
- 235000013339 cereals Nutrition 0.000 description 17
- 238000011160 research Methods 0.000 description 14
- 238000004088 simulation Methods 0.000 description 6
- 229910052602 gypsum Inorganic materials 0.000 description 5
- 239000010440 gypsum Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011398 Portland cement Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 235000010210 aluminium Nutrition 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- WETINTNJFLGREW-UHFFFAOYSA-N calcium;iron;tetrahydrate Chemical compound O.O.O.O.[Ca].[Fe].[Fe] WETINTNJFLGREW-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 201000010260 leiomyoma Diseases 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to a modified similar material and a preparation method thereof. The modified material comprises barite powder, cement, water, No. 32 hydraulic oil and the special polymer shown in the formula I. The modified similar material provided by the invention can simulate various rock masses, and has the advantages of wide source of raw materials, no toxic or side effect, simple preparation process, low energy consumption, high preparation efficiency and low cost.
Description
Technical field
The present invention relates to a kind of analog material and preparation method thereof, especially a kind of geomechanics being suitable for simulating rock mass
Similar model material and preparation method thereof.
Background technology
Analog simulation experiment is to replace prototype to carry out testing research with model, and will grind by certain geometry, physical relation
Study carefully test method of the result for prototype.It is a kind of important scientific research means, is in laboratory by principle of similitude system
Make model similar with prototype to study using on model by force parameter and its regularity of distribution in test instrumentation observation model
As a result, so as to infer prototype in may occur Mechanics Phenomenon and rock mass pressure distribution rule, to solve rock mass work
Practical problem in journey production.This research method has many advantages, such as that intuitive, easy, economical, the quick and test period is short.And
And can be as needed, by the certain parameters of fixation, change other parameters to study the stress in Practical Project at any time
Changing rule, these all at the scene under the conditions of be difficult to realize.
In geotechnical engineering scientific research, the correlation theory research of analog material is frequently referred to, and with ideal similar
Material stress-strain curve relationship or analog material with stress reinforced load-deformation curve relationship are all to be managed
By the important tests material of research, therefore, develops this material and be necessary.
Analog material is the key that similar test success or not, and when carrying out layer during similar model test, model deformation is believed
The test of breath is basic task again, and the data of experiment are to carry out the fundamental basis of scientific research.It is presently used for the phase of similar test
Like there are many kinds of materials, by its cementing material difference, it is divided into the analog materials such as paraffin, gypsum, rosin, cement.And these are similar
Material is substantially that compression strength is larger, and is required for installing special test instrumentation in testing to test related variation
's.So far, do not have also and analog material is fabricated to sensitivity similar material, so in model test, all need special
Relevant test is carried out equipped with test equipment, and often cannot obtain some critical datas due to test equipment, such as
Model internal modification etc..
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 are ultimate bearing capacity of the various buildings of research under outer load action, destroy shape
State, failure mechanism and deformation distribution character.The research contents of geomechanical model test is not limited only to a certain under primaryload
State, it is often more important that research is under cumulative load action until the entire change procedure destroyed, it is real using true physics
Body, meeting, material is similar, especially under mechanics condition of similarity, can really reflect the pass between geological structure and engineering construction
System, can model engineering building on being influenced caused by rock mass, and can more intuitively show engineering construction rock mass is influenced and
Result caused by influence of the rock mass deformation deformation to fabric structure.Therefore, in geomechanical model test research process,
The cast material for meeting physical and mechanical property similarity relation is the basis of model test, is whether model test is successfully crucial.
Analog material is the key that similar test success or not, must satisfy to analog material for this and requires：It is similar
The main mechanical of material is similar to the structure of the rock stratum of simulation.When such as simulated damage process, the unidirectional of analog material should be made
Compression strength is similar to leiomyoma cells with tensile strength；The stable mechanical property of material is not easy by external condition (humidity, temperature
Deng) influence；The proportioning for changing material, can make the mechanical property of material change, to adapt to the needs of condition of similarity.It is easy
Molding, easy to make, setting time is short；Material source is wide, of low cost.
There are many kinds of the analog materials for being presently used for similar test, such as paraffin, pure gypsum, gypsum diatomite hybrid guided mode
Quasi- material, cement float stone mixture etc., although these analog materials play certain effect in specific experiment,
Still it has disadvantages that, such as paraffin, this material needs to apply certain temperature when making test specimen, inconvenient for operation, therefore
It is of little use；The elasticity modulus adjustable extent of gypsum is little, and the ratio of compressive ultimate strength and tensile strength is too small, thus it
Application range receives certain limitation；Analog material is with diatomaceous incorporation made of gypsum, diatomite and water cooperation
Increase, it may appear that the phenomenon that volume-diminished.For this purpose, a kind of analog material that can meet similar test requirement of exploitation is very must
It wants.
At present China building and will build Hydroelectric Engineering Geology construction in, influence the rock mass type of monolithic stability
It is more, performance difference is big, especially in Southwestern China area, there is a large amount of weak rock mass in many engineerings, as IV, V class rock mass,
Unloading Rock, prismatical joint etc., such rock mass strength and deformation modulus are low, and performance is poor, are brought to engineering monolithic stability non-
Normal detrimental effect, it is therefore desirable to have suitable similar model material to simulate such weak rock mass to carry out above-described phase
Close research.
Invention content
The purpose of the invention is to overcome above-mentioned cast material, a kind of new, intensity and deformation modulus are provided
Geomechanics model analog material that is can changing in wide range and can be used for simulating weak rock mass.
It is a further object of the present invention to provide a kind of above-mentioned geomechanics model analog materials that can be used for simulating rock mass
Preparation method.
Geomechanics model analog material provided by the present invention for simulating rock mass is by following components in parts by mass
It constitutes：
100 parts of blanc fixe
1 ~ 3 part of cement
0.01 ~ 0.02 part of Formulas I polymer
2 ~ 3 parts of water
No. 32 2 ~ 6 parts of hydraulic engine oils
Wherein the grain size of blanc fixe is 200 mesh, and it is 32KN/m that unit weight, which is made, in the material3, size be 8cm × 8cm × 8cm
The deformation modulus that measures of sample be 10.1~26.6MPa, compression strength is 0.66~42.8MPa.The Formulas I polymer is as follows
It is shown, wherein MwIt is 1500 ~ 15000, molecular weight distributing index is that 1.2 ~ 3.5, R is C1-C3 alkyl, and M is that 5 ~ 20, n and m is
2.6~3.2：
I。
Portland cement of the above-mentioned cement preferably marked as 425,525 or 625.
The technique step provided by the invention for preparing the above-mentioned geomechanics model analog material method that can be used for simulating rock mass
Rapid and condition is as follows：
1) first that 100 parts of grain sizes are uniform for the blanc fixe of 200 mesh and 0.01 ~ 0.02 part of Formulas I mixed with polymers, then drying removes
Water, taking-up are cooled to room temperature；
2) 2~6 parts of No. 32 hydraulic engine oils are added in the step 1) mixture of drying and are remixed uniformly, then will mixed
Material disintegrating is to its grain size≤1mm；
3) 1~3 part of cement is added in the mixture of step 2), continues to be uniformly mixed；
4) finally by 2~3 parts of water be added to more than mixture in, remix uniformly,
The number of above each material is mass parts.
Portland cement of the cement used in the above method preferably marked as 425,525 or 625.
In use, first the above material is weighed by unit weight and single volume size, be then placed in mold ram it is molded, at
Mechanics Performance Testing is carried out after being spontaneously dried indoors after type 21 days, meets the requirements and can be used as the phase of geomechanical model test
Like materials'use.
Compared with prior art, the present invention having the following advantages that：
1, due to containing cement, water and Formulas I polymer in rock simulation material provided by the invention simultaneously, although wherein cement is originally
Body does not have a bonding characteristic, but the hydrated product that cement and water reaction generate, such as hydrated calcium silicate, hydrated calcium ferrite etc.,
But there is higher intensity and gelling characteristic, the characteristic to make cement in the composition of entire material, become influence pressure resistance
The most sensitive property component of degree and deformation modulus, and contribute higher compression strength and deformation modulus for material, and Formulas I polymer
Bonding characteristic want much lower compared with the bonding characteristic of hydrolysis product of cement, therefore can be poly- by adjusting cement, water and Formulas I
The incorporation for closing object changes come the compression strength and deformation modulus for making rock simulation material in wide range, to meet simulation not
With the needs of performance rock mass.
2, due to also using No. 32 hydraulic engine oils with lubrication property in rock simulation material provided by the invention, and
The machine oil can reduce the resistance capacity to deformation of material, thus can further easily adjust material by adjusting its addition
Deformation modulus makes resulting materials that the needs for the different rock mass that simulated performance differs greatly be more easily satisfied.
3, since each composition used in material of the present invention is not easy to be affected by the external environment, thus make resulting materials certainly
Physical mechanics property under the conditions of so can keep stable, be unlikely to cause material in experiment process to become because of the reason of forming
Change and influence test result, is a kind of comparatively ideal strata model material.
4, since Formulas I polymer is employed herein so that finally formed material has larger range of distorted pattern
Amount and higher compression strength.
5, since the preparation process of the method for the present invention is simple, and conventional drying is only carried out to raw material, other preparations are all
It is mixed at room temperature, thus it is low to consume energy, preparation efficiency is high, at low cost.
Embodiment
Below by embodiment, the invention will be further described.It should be understood that the method for the embodiment of the present invention
It is only used for illustrating the present invention, rather than limiting the invention, to preparation side of the invention under the concept thereof of the present invention
The simple modifications of method belong to the scope of protection of present invention.Unless otherwise instructed, all raw materials for being used in embodiment and
Solvent is purchased from Sigma Biochemical and Organic Compounds for Research and Diagnostic
Clinical Reagents companies.In addition, the number of each material of following embodiment is mass parts；The institute of following example 2~8
It is that unit weight is made as 32KN/m in the material to obtain the compression strength of material and distorted pattern magnitude3, size be 8cm × 8cm × 8cm
What sample measured.
Embodiment 1：
Into the three-necked flask equipped with blender, 500g Formulas I a compounds (AR is purchased from Dow-Corning companies) and 60g is added
Formulas I b (AR, be purchased from organic siliconresin factory of Liaoning Province) compound, inert gas shielding start agitating device and are warming up to 110 DEG C,
It waits for the two after mixing, adds 3g titanium tetrachloride triethyl aluminiums, rotating speed is controlled in 600r/min, is stirred to react 10 hours
Afterwards, stop stirring, obtain the polymer Ic that R is methyl.
Ia
+
Ib
↓
Ic
Wherein MwIt is 1.22 × 104, MnIt is 4.52 × 103, molecular weight distributing index 2.6.
Embodiment 2：
First 0.015 part of blanc fixe and Formulas I c polymer that 100 parts of grain sizes are 200 mesh are uniformly mixed, then dry 3 at 90 DEG C
Hour water removal, taking-up are cooled to room temperature；By 4 parts of No. 32 hydraulic engine oils be added to drying blanc fixe and Formulas I c polymer in again
It is uniformly mixed, then by the material disintegrating mixed to its grain size≤1mm；1.8 parts of the cement marked as 525 is added to weight crystalline substance
In the mixture of mountain flour, Formulas I c polymer and No. 32 hydraulic engine oils, continue to be uniformly mixed；Finally 2 parts of water are added to above
In mixture, remix uniformly.The compression strength of the material is 0.76MPa, deformation modulus 12.1MPa.
Embodiment 3：
First 0.013 part of blanc fixe and Formulas I c polymer that 100 parts of grain sizes are 200 mesh are uniformly mixed, then dry 3 at 90 DEG C
Hour water removal, taking-up are cooled to room temperature；4 parts of No. 32 hydraulic engine oils are added to the blanc fixe and Formulas I c mixed with polymers of drying
It is remixed in object uniformly, then by the material disintegrating mixed to its grain size≤1mm；1 part of the cement marked as 425 is added to
In the mixture of blanc fixe, Formulas I c polymer and No. 32 hydraulic engine oils, continue to be uniformly mixed；Finally 2.5 parts of water are added to
In above mixture, remix uniformly.The compression strength of the material is 0.98MPa, deformation modulus 12.8MPa.
Embodiment 4：
First 0.017 part of blanc fixe and Formulas I c polymer that 100 parts of grain sizes are 200 mesh are uniformly mixed, then dried at 90 DEG C
It removes water within 3 hours, taking-up is cooled to room temperature；4 parts of No. 32 hydraulic engine oils are added to the blanc fixe of drying and Formulas I c polymer mixes
It closes and is remixed in object uniformly, then by the material disintegrating mixed to its grain size≤1mm；2.1 parts of the cement marked as 425 is added
Enter into the mixture of blanc fixe, Formulas I c polymer and No. 32 hydraulic engine oils, continues to be uniformly mixed；Finally 2.1 parts of water are added
Enter into above mixture, remixes uniformly.The compression strength of the material is 0.66MPa, and deformation modulus is
16.9MPa。
Embodiment 5：
First 0.018 part of blanc fixe and Formulas I c polymer that 100 parts of grain sizes are 200 mesh are uniformly mixed, then dry 3 at 90 DEG C
Hour water removal, taking-up are cooled to room temperature；4 parts of No. 32 hydraulic engine oils are added to the blanc fixe and Formulas I c mixed with polymers of drying
It is remixed in object uniformly, then by the material disintegrating mixed to its grain size≤1mm；3 parts of the cement marked as 425 is added to
In the mixture of blanc fixe, Formulas I c polymer and No. 32 hydraulic engine oils, continue to be uniformly mixed；Finally by 2 parts of water be added to
On mixture in, remix uniformly.The compression strength of the material is 0.69MPa, deformation modulus 19.0MPa.
Embodiment 6：
First 0.019 part of blanc fixe and Formulas I c polymer that 100 parts of grain sizes are 200 mesh are uniformly mixed, then dry 3 at 90 DEG C
Hour water removal, taking-up are cooled to room temperature；4 parts of No. 32 hydraulic engine oils are added to the blanc fixe and Formulas I c mixed with polymers of drying
It is remixed in object uniformly, then by the material disintegrating mixed to its grain size≤1mm；By 2.5 parts of additions of cement marked as 425
Into the mixture of blanc fixe, Formulas I c polymer and No. 32 hydraulic engine oils, continue to be uniformly mixed；Finally 3 parts of water are added to
In above mixture, remix uniformly.The compression strength of the material is 0.88MPa, deformation modulus 21.6MPa.
Embodiment 7：
First 0.02 part of blanc fixe and Formulas I c polymer that 100 parts of grain sizes are 200 mesh are uniformly mixed, then dry 3 at 90 DEG C
Hour water removal, taking-up are cooled to room temperature；2 parts of No. 32 hydraulic engine oils are added to the blanc fixe and Formulas I c mixed with polymers of drying
It is remixed in object uniformly, then by the material disintegrating mixed to its grain size≤1mm；2 parts of the cement marked as 525 is added to
In the mixture of blanc fixe, Formulas I c polymer and No. 32 hydraulic engine oils, continue to be uniformly mixed；Finally by 2 parts of water be added to
On mixture in, remix uniformly.The compression strength of the material is 1.25MPa, deformation modulus 17.2MPa.
Embodiment 8：
First 0.02 part of blanc fixe and Formulas I c polymer that 100 parts of grain sizes are 200 mesh are uniformly mixed, then dry 3 at 90 DEG C
Hour water removal, taking-up are cooled to room temperature；6 parts of No. 32 hydraulic engine oils are added to the blanc fixe and Formulas I c mixed with polymers of drying
It is remixed in object uniformly, then by the material disintegrating mixed to its grain size≤1mm；By 3 parts of additions of cement marked as 625
Into the mixture of blanc fixe, Formulas I c polymer and No. 32 hydraulic engine oils, continue to be uniformly mixed；Finally 2 parts of water are added to
In above mixture, remix uniformly.The compression strength of the material is 4.16MPa, deformation modulus 25.1MPa.
Claims (5)
1. a kind of analog material of modification, which be made of following components in parts by mass：
100 parts of blanc fixe
1 ~ 3 part of cement
0.01 ~ 0.02 part of Formulas I polymer
2 ~ 3 parts of water
No. 32 2 ~ 6 parts of hydraulic engine oils
Wherein the grain size of blanc fixe is 200 mesh, and it is 32KN/m that unit weight, which is made, in the material3, size be 8cm × 8cm × 8cm
The deformation modulus that measures of sample be 10.1~26.6MPa, compression strength is 0.66~42.8MPa；The Formulas I polymer is as follows
It is shown, wherein MwIt is 1500 ~ 15000, molecular weight distributing index is that 1.2 ~ 3.5, R is C1-C3 alkyl, and M is that 5 ~ 20, n and m is
2.6~3.2：
I。
2. the analog material of modification according to claim 1, wherein the cement is the silicic acid of label 425,525 or 625
Salt cement.
3. the preparation method of the analog material of modification described in claim 1, the processing step and condition of this method are as follows：
1) first that 100 parts of grain sizes are uniform for the blanc fixe of 200 mesh and 0.01 ~ 0.02 part of Formulas I mixed with polymers, then drying removes
Water, taking-up are cooled to room temperature；
2) 2~6 parts of No. 32 hydraulic engine oils are added in the step 1) mixture of drying and are remixed uniformly, then will mixed
Material disintegrating is to its grain size≤1mm；
3) 1~3 part of cement is added in the mixture of step 2), continues to be uniformly mixed；
4) finally by 2~3 parts of water be added to more than mixture in, remix uniformly,
The number of above each material is mass parts.
4. a kind of polymer can be used for modified analog material, it is characterised in that be shown below：
I
Wherein MwBe 1500 ~ 15000, it is C1-C3 alkyl that molecular weight distributing index, which is 1.2 ~ 3.5, R, M be 5 ~ 20, n and m be 2.6 ~
3.2：.
5. application of the polymer described in claim 4 in terms of civil engineering.
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|---|---|---|---|
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|---|---|---|---|
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086522A (en) * | 1992-11-02 | 1994-05-11 | 伊斯曼柯达公司 | The preparation method of epoxy-terminated polymers |
| CN1198757A (en) * | 1995-08-04 | 1998-11-11 | Dsm有限公司 | Branched polymers with polyolefin arms |
| US20050288476A1 (en) * | 2004-06-17 | 2005-12-29 | Iskender Yilgor | Thermoplastic copolymers through stoichiometric reactions between diisocyanates and oligomeric diols and diamines |
| CN102390961A (en) * | 2011-08-08 | 2012-03-28 | 四川大学 | Geomechanical model simulating material for simulating rock mass and preparation method thereof |
-
2017
- 2017-03-09 CN CN201710136784.4A patent/CN108569868B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086522A (en) * | 1992-11-02 | 1994-05-11 | 伊斯曼柯达公司 | The preparation method of epoxy-terminated polymers |
| CN1198757A (en) * | 1995-08-04 | 1998-11-11 | Dsm有限公司 | Branched polymers with polyolefin arms |
| US20050288476A1 (en) * | 2004-06-17 | 2005-12-29 | Iskender Yilgor | Thermoplastic copolymers through stoichiometric reactions between diisocyanates and oligomeric diols and diamines |
| CN102390961A (en) * | 2011-08-08 | 2012-03-28 | 四川大学 | Geomechanical model simulating material for simulating rock mass and preparation method thereof |
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|---|---|
| CN108569868B (en) | 2021-10-01 |
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