CN109437672A - A kind of Rock soil similar material and preparation method thereof that intensive parameter is controllable - Google Patents
A kind of Rock soil similar material and preparation method thereof that intensive parameter is controllable Download PDFInfo
- Publication number
- CN109437672A CN109437672A CN201811418573.0A CN201811418573A CN109437672A CN 109437672 A CN109437672 A CN 109437672A CN 201811418573 A CN201811418573 A CN 201811418573A CN 109437672 A CN109437672 A CN 109437672A
- Authority
- CN
- China
- Prior art keywords
- aggregate
- cementing agent
- controllable
- mass ratio
- similar material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 60
- 239000011435 rock Substances 0.000 title claims abstract description 27
- 239000002689 soil Substances 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 14
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000012188 paraffin wax Substances 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 8
- 229940099259 vaseline Drugs 0.000 claims abstract description 4
- 230000004927 fusion Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000010881 fly ash Substances 0.000 claims description 6
- 230000005496 eutectics Effects 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 6
- 230000000750 progressive effect Effects 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000004088 simulation Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000009533 lab test Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009658 destructive testing Methods 0.000 description 2
- 229940057995 liquid paraffin Drugs 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
- 239000006004 Quartz sand Substances 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
- 230000001476 alcoholic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 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
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
- 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
-
- 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
-
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
A kind of Rock soil similar material that intensive parameter is controllable, including 100 parts of aggregates and 4~8 parts of cementing agent, fine sand of the aggregate by blanc fixe with partial size less than 1mm are constituted according to the mass ratio of 1.5:0.5~2；The cementing agent is made of solid paraffin and vaseline according to the mass ratio of 1:0~0.3.When preparation, first mixes aggregate and melt cementing agent, then mixed, compaction moulding.The intensity of material of the present invention can be controlled by temperature, and then the accurate Surrounding Rock Strength parameter under different surrounding rock extent of the destruction is obtained in research country rock progressive failure process and surrounding rock stability.
Description
Technical field
The invention belongs to engineering geological comparison experimental technique fields, and in particular to a kind of ground that intensive parameter is controllable is similar
Material and preparation method thereof.
Background technique
Layer during similar model test is a kind of reduced scale research method based on the principle of similitude, mainly uses equivalent material simulating engineering
Entity and its Geologic Structure Feature pass through the conditions such as simulation load action mode, rainfall mode, research geotechnical engineering construction, fortune
Security and stability and its failure mode in battalion, it is a kind of important hand of underground engineering wall rock stability analysis and scientific research
Section, selects reasonable analog material to be capable of the validity of guarantee test.
For studying surrounding rock stability, there are mainly two types of means, first is that destructive testing is carried out by external load, second is that
By gradually decreasing Surrounding Rock Strength, destroy its own.But current laboratory test research surrounding rock stability, can only be by outer
The destructive testing of portion's load realizes, self-strength variation and full can be realized by relatively simple method by being difficult to find
The analog material that sufficient laboratory test requires.
Failure test is carried out by control material self-strength, can not only accurately judge that surrounding rock stability can also
Country rock progressive failure process is obtained, enough to enhance the authenticity of similar test simulation.
In geotechnical engineering geomechanical model test, the analog material as simulation rock-soil mechanics characteristic must have height
The basic characteristics such as severe, low-intensity, low deformation modulus and transformable internal friction angle, and meet the material of these requirements in nature
Boundary is not present, it is necessary to be combined to obtain by artificial means.Existing analog material configuration is mainly by Iron Ore Powder, barite
Powder, quartz sand, land plaster, rosin alcoholic solution etc. mix according to a certain percentage, form solid model analog material.This material
The wall rock geology condition that varying strength, different characteristics can be simulated, can also making it, the strength of materials reduces during the test, but
The reduction of material self-strength is uncontrollable, can not obtain the design parameter of the strength of materials under the different tests stage.
Summary of the invention
The object of the present invention is to provide a kind of Rock soil similar material and preparation method thereof that intensive parameter is controllable, the material
Intensity can be controlled by temperature, and then obtain difference by force in research country rock progressive failure process and surrounding rock stability
Accurate parameters under degree.
The technical solution adopted by the present invention is that:
A kind of Rock soil similar material that intensive parameter is controllable, including 100 parts of aggregates and 4~8 parts of cementing agent, the aggregate by
The fine sand of blanc fixe and partial size less than 1mm is constituted according to the mass ratio of 1.5:0.5~2；The cementing agent by solid paraffin and
Vaseline is constituted according to the mass ratio of 1:0~0.3.The mass ratio of each material is adjusted according to prototype stratum physical and mechanical parameter
Configuration.
Further, the aggregate further includes flyash and montmorillonite powder, and the mass ratio with blanc fixe is barite
Powder: flyash: montmorillonite powder=1.5:0.5~1:0~0.2.
Further, the cementing agent is 6 parts, is eutectic degree paraffin of the fusing point less than 54 DEG C；The aggregate is by 400 purposes
The fine sand of blanc fixe and partial size less than 1mm is constituted according to the mass ratio of 1.5:1.
Further, the moisture content of the aggregate is less than 1%.
A kind of preparation method for the Rock soil similar material that intensive parameter is controllable, comprising the following steps:
(1) each component of aggregate is added in blender according to the mass ratio of setting, is mixed slowly to uniformly mixed；
(2) constant temperature heating device is added according to setting ratio in cementing agent to melt, temperature is controlled at 55 DEG C~60 DEG C
Between, avoid cementing agent from being denaturalized；
(3) aggregate of step (1) after mixing is imported in another constant temperature heating device, then step (2) is melted
Liquid cementing agent pour into aggregate, and mix slowly to complete fusion, in the process, temperature control 55 DEG C~60 DEG C it
Between；
(4) after rigid die being heated up to 60 DEG C, quickly the material of fusion is successively added in rigid die, and is successively rammed
It is real, sample is made；
(5) sample is placed 48 hours under room temperature environment, is down to room temperature to specimen temperature, the similar material can be obtained
Expect model.
Beneficial effects of the present invention:
The controllable novel Rock soil similar material of intensive parameter of the invention can control the strength of materials by control temperature
Parameters variation, intensity increase with temperature and are reduced, and then effectively realize the simulation of country rock progressive failure, and can be in varying strength
The stability and damage -form of country rock are determined under parameter；Overcome existing analog material be unable to control strength reduction degree,
The deficiencies of intensive parameter of material intermediate state can not be obtained.
In addition, analog material prepared by the present invention can not only simulate the general rock of no special nature, additionally it is possible to pass through
Temperature control simulation has the rock of disintegration in water；Moreover, the materials of analog material of the present invention are from a wealth of sources, production is simple, supports
Shield is simple, and molding time is short, low in cost and nontoxic.
Specific embodiment
The analog material of intensity controlled parameter of the invention is mainly used for realizing the stability in laboratory test tunnel and side slope
And in the simulation of progressive failure, on the basis of solid model investigation of materials, by a large amount of proportioning test, with river sand and again
Spar powder etc. is used as aggregate, and paraffin etc. is used as cementing agent, anti-by the single shaft in laboratory using paraffin for the sensibility of temperature
The classical mechanics development tests such as Compressive Strength test, direct shear test, which have gone out a kind of strength of materials, can increase with temperature and reduce new
Type geotechnical engineering analog material.
Embodiment 1
The preparation process of analog material of the invention are as follows:
(1) fine sand by the blanc fixe of 400 mesh and partial size less than 1mm is added in blender according to the mass ratio of 1.5:1,
It mixes slowly to uniformly mixed and is made into aggregate, in the process, control the moisture content of aggregate less than 1%；
(2) 54 DEG C of fusing point of eutectic degree solid paraffin cementing agent is put into constant temperature heating device to melt, temperature control
Between 55 DEG C~60 DEG C, paraffin is avoided to be denaturalized；
(3) aggregate of step (1) after mixing is imported in another constant temperature heating device, then step (2) is melted
Liquid paraffin pour into siccative, and mix slowly to complete fusion, in the process, temperature control 55 DEG C~60 DEG C it
Between, wherein 100 parts of aggregate of step (1) are taken, 6 parts of atoleine of step (2) are taken；
(4) after rigid die being heated up to 60 DEG C, quickly the material of fusion is successively added in rigid die, and is successively rammed
It is real, sample is made；
(5) sample is placed 48 hours under room temperature environment, is down to room temperature to specimen temperature, the similar material can be obtained
Material.
Embodiment 2
The preparation process of analog material of the invention are as follows:
(1) fine sand by the blanc fixe of 400 mesh, partial size less than 1mm, flyash are added according to the mass ratio of 1.5:1:1
In blender, mixes slowly to uniformly mixed and be made into aggregate, in the process, control the moisture content of aggregate less than 1%；
(2) 54 DEG C of fusing point of eutectic degree solid paraffin cementing agent is put into constant temperature heating device to melt, temperature control
Between 55 DEG C~60 DEG C, paraffin is avoided to be denaturalized；
(3) aggregate of step (1) after mixing is imported in another constant temperature heating device, then step (2) is melted
Liquid paraffin pour into siccative, and mix slowly to complete fusion, in the process, temperature control 55 DEG C~60 DEG C it
Between, wherein 100 parts of aggregate of step (1) are taken, 8 parts of atoleine of step (2) are taken；
(4) after rigid die being heated up to 60 DEG C, quickly the material of fusion is successively added in rigid die, and is successively rammed
It is real, sample is made；
(5) sample is placed 48 hours under room temperature environment, is down to room temperature to specimen temperature, the similar material can be obtained
Material.
Embodiment 3
The preparation process of analog material of the invention are as follows:
(1) fine sand by the blanc fixe of 400 mesh, partial size less than 1mm, flyash are added according to the mass ratio of 1.5:2:1
In blender, mixes slowly to uniformly mixed and be made into aggregate, in the process, control the moisture content of aggregate less than 1%；
(2) heated at constant temperature is added according to the mass ratio of 1:0.3 in 54 DEG C of fusing point of eutectic degree solid paraffin and vaseline to fill
It sets and is melted, temperature controls between 55 DEG C~60 DEG C；
(3) aggregate of step (1) after mixing is imported in another constant temperature heating device, then step (2) is melted
Liquid cementing agent pour into siccative, and mix slowly to complete fusion, in the process, temperature control 55 DEG C~60 DEG C it
Between, wherein 100 parts of aggregate of step (1) are taken, 4 parts of atoleine of step (2) are taken；
(4) after rigid die being heated up to 60 DEG C, quickly the material of fusion is successively added in rigid die, and is successively rammed
It is real, sample is made；
(5) sample is placed 48 hours under room temperature environment, is down to room temperature to specimen temperature, the similar material can be obtained
Material.
The present invention controls analog material intensive parameter by control temperature, needs strictly to carry out temperature control during test
System, this analog material usable temp section are that analog material prepared by Example 1 carries out performance survey between 20 DEG C~60 DEG C
Examination, specific performance parameter are as shown in table 1.
Material property parameter under 1 different temperatures of table
As can be seen from Table 1, different physico mechanical characteristics, and specific temperature can be presented in analog material at different temperatures
Its lower physico mechanical characteristic can clearly be learnt, therefore be applied in test to control by controlling the temperature of analog material
Its physico mechanical characteristic is made, test objective is had reached.
Claims (5)
1. a kind of Rock soil similar material that intensive parameter is controllable, which is characterized in that including 100 parts of aggregates and 4~8 parts of cementing agent,
Fine sand of the aggregate by blanc fixe with partial size less than 1mm is constituted according to the mass ratio of 1.5:0.5~2；The cementing agent by
Solid paraffin and vaseline are constituted according to the mass ratio of 1:0~0.3.
2. a kind of Rock soil similar material that intensive parameter is controllable as described in claim 1, which is characterized in that the aggregate also wraps
Include flyash and montmorillonite powder, the mass ratio of the two and blanc fixe is blanc fixe: flyash: montmorillonite powder=1.5:0.5
~1:0~0.2.
3. a kind of Rock soil similar material that intensive parameter is controllable as described in claim 1, which is characterized in that the cementing agent is
6 parts, be eutectic degree paraffin of the fusing point less than 54 DEG C；Fine sand of the aggregate by the blanc fixe of 400 mesh with partial size less than 1mm is pressed
It is constituted according to the mass ratio of 1.5:1.
4. a kind of Rock soil similar material that intensive parameter is controllable as described in claim 1, which is characterized in that the aggregate contains
Water rate is less than 1%.
5. a kind of preparation method for the Rock soil similar material that intensive parameter is controllable as described in claim 1, which is characterized in that packet
Include following steps:
(1) each component of aggregate is added in blender according to the mass ratio of setting, is mixed slowly to uniformly mixed；
(2) constant temperature heating device being added according to setting ratio in cementing agent to melt, temperature controls between 55 DEG C~60 DEG C,
Cementing agent is avoided to be denaturalized；
(3) step (1) aggregate after mixing is imported in another constant temperature heating device, then by step (2) melted liquid
State cementing agent pours into aggregate, and mixes slowly to complete fusion, and in the process, temperature controls between 55 DEG C~60 DEG C；
(4) after rigid die being heated up to 60 DEG C, quickly the material of fusion is successively added in rigid die, and successively compacting,
Sample is made；
(5) sample is placed 48 hours under room temperature environment, is down to room temperature to specimen temperature, the analog material mould can be obtained
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811418573.0A CN109437672A (en) | 2018-11-26 | 2018-11-26 | A kind of Rock soil similar material and preparation method thereof that intensive parameter is controllable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811418573.0A CN109437672A (en) | 2018-11-26 | 2018-11-26 | A kind of Rock soil similar material and preparation method thereof that intensive parameter is controllable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109437672A true CN109437672A (en) | 2019-03-08 |
Family
ID=65554900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811418573.0A Pending CN109437672A (en) | 2018-11-26 | 2018-11-26 | A kind of Rock soil similar material and preparation method thereof that intensive parameter is controllable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109437672A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609358A (en) * | 2022-03-24 | 2022-06-10 | 西南科技大学 | Method for evaluating residual performance of existing rusted steel structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU923999A1 (en) * | 1980-10-10 | 1982-04-30 | Vnii Gidrotekh | Composition for making models on soil base |
| CN104119061A (en) * | 2014-06-27 | 2014-10-29 | 四川大学 | Geomechanical model similar material for simulating cover layer and preparation method thereof |
| CN104891873A (en) * | 2015-05-26 | 2015-09-09 | 山东大学 | Similar material for simulating expansible tunnel surrounding rock and preparation method of similar material |
| CN106186840A (en) * | 2016-07-22 | 2016-12-07 | 同济大学 | A kind of test model clay simulated under rich water wall rock condition and preparation method thereof |
-
2018
- 2018-11-26 CN CN201811418573.0A patent/CN109437672A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU923999A1 (en) * | 1980-10-10 | 1982-04-30 | Vnii Gidrotekh | Composition for making models on soil base |
| CN104119061A (en) * | 2014-06-27 | 2014-10-29 | 四川大学 | Geomechanical model similar material for simulating cover layer and preparation method thereof |
| CN104891873A (en) * | 2015-05-26 | 2015-09-09 | 山东大学 | Similar material for simulating expansible tunnel surrounding rock and preparation method of similar material |
| CN106186840A (en) * | 2016-07-22 | 2016-12-07 | 同济大学 | A kind of test model clay simulated under rich water wall rock condition and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 屠世浩: "《岩层控制的实验方法与实测技术》", 31 July 2010, 中国矿业大学出版社 * |
| 艾光华: "《非金属资源开发项目驱动实践教学教程》", 31 December 2017, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609358A (en) * | 2022-03-24 | 2022-06-10 | 西南科技大学 | Method for evaluating residual performance of existing rusted steel structure |
| CN114609358B (en) * | 2022-03-24 | 2023-06-06 | 西南科技大学 | Residual performance evaluation method for existing rust steel structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104496387B (en) | A kind of analog material that water softening properties are met based on soft rock and preparation method thereof | |
| CN104003655B (en) | A kind of brittle rock analog material and preparation method thereof | |
| CN103043986A (en) | Rock soil similar material and preparation method thereof | |
| CN105784945B (en) | For the fluid structurecoupling simulation material and preparation method of coal measures pressure-bearing fault activation gushing water similar test | |
| CN104387012B (en) | A kind of sodium metasilicate cemented rock analog material and preparation method thereof | |
| Youn et al. | Influencing parameters of the grout mix on the properties of annular gap grouts in mechanized tunneling | |
| CN103454127B (en) | Similar material for small and medium solid-fluid coupled model test and preparation method thereof | |
| CN107814546A (en) | High severe analog material of the deep high fragility of hard rock high intensity and preparation method thereof | |
| CN107840629A (en) | A kind of coal petrography analog material and preparation method suitable for hydraulic fracturing | |
| CN105759011B (en) | Slope blasting Dynamic Analysis Model test material, its upper lower burrs country rock body analog material, its shear-zone analog material and preparation method | |
| Zhang et al. | A shear model for solidified soils considering conservation of energy | |
| CN110194611A (en) | Silty analog material and preparation method thereof | |
| CN109437672A (en) | A kind of Rock soil similar material and preparation method thereof that intensive parameter is controllable | |
| CN102976700B (en) | Model test material used for simulating phosphorous deposit soft interbed and preparation method thereof | |
| CN102890020A (en) | Model material for soft rock physical simulation test | |
| Szymkiewicz et al. | Assessment of strength and other mechanical properties of the deep mixing material | |
| CN102351493A (en) | Similar material for simulation injection of concrete in model test and preparation method thereof | |
| CN106186840B (en) | A kind of test model clay and preparation method thereof simulated under rich water wall rock condition | |
| Khalili et al. | New slurry displacement method for reconstitution of highly gap-graded specimens for laboratory element testing | |
| CN102911639B (en) | Magnetic similar material | |
| CN108680408B (en) | Pile-rock similar material of soft rock socketed pile for bearing capacity model test and preparation method | |
| CN109020375A (en) | Cement-base quick repairing ground surface material and preparation method thereof | |
| Rabbi et al. | Effect of curing time and confining pressure on the mechanical properties of cement-treated sand | |
| CN109608105B (en) | Novel stratum material for simulating flood-surging composite stratum in yellow river area and preparation method thereof | |
| CN107246989A (en) | A kind of preparation method of laboratory grouting cement soil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |