CN106186840B - A kind of test model clay and preparation method thereof simulated under rich water wall rock condition - Google Patents
A kind of test model clay and preparation method thereof simulated under rich water wall rock condition Download PDFInfo
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- CN106186840B CN106186840B CN201610583630.5A CN201610583630A CN106186840B CN 106186840 B CN106186840 B CN 106186840B CN 201610583630 A CN201610583630 A CN 201610583630A CN 106186840 B CN106186840 B CN 106186840B
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- test model
- model clay
- rich water
- wall rock
- water wall
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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
-
- 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
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to the test model clays and preparation method thereof under a kind of simulation rich water wall rock condition, and test model clay includes the component of following mass percentage content：Aggregate 84~93%, cementing agent 2~6%, conditioning agent 4~6%, water 1~6%；Preparation method includes the following steps：(1) each component is weighed according to the ratio, and (2) add water in uniformly mixed aggregate, and mix is uniform, (3) conditioning agent is added, and stir evenly, the vaseline of melting is added and is uniformly mixed by (4), and the test model clay is made.Compared with prior art, the statics property for the test model clay that the present invention is prepared meets similarity relation with the respective value of IV, V and IV grades of country rocks, under the action of water, material character is stablized, there is certain intensity, permeability is smaller, is convenient for preparing and filling on a large scale at room temperature.
Description
Technical field
The present invention relates to a kind of test model clays and preparation method thereof, more particularly, to a kind of simulation rich water wall rock condition
Under test model clay and preparation method thereof.
Background technology
In model test, when being the perturbation action of research structure and soil body collective effect or construction to the soil body, usually need
Prepare model clay.It uses single natural material fairly limited as model soil material, often all cannot be satisfied condition of similarity, lead to
If normal way is formulated according to a certain percentage with dry substance, it is clear that analog material is usually the mixing of multiple material
Object, and the ingredients of a mixture and proportioning will pass through a large amount of proportioning test and could meet.
In the research of current analog material, has the research and development of more a variety of model clays, but due to the limitation of itself, prevent
Aqueous poor, model soil nature matter is easy to happen large change after meeting water, and pole is caused for the experiment under hydrostatic or river channels
Big ground error.
Chinese patent CN166997A discloses a kind of model clay of simulation soft soil foundation in Shanghai area, the raw material used
Including flyash, rouge and powder sand, clay, kaolin, blanc fixe, machine oil and water, which can the preferable simulation soil body
Density and intensity, but meet the case where water intensity is lost, is not suitable under the conditions of rich water significantly.Chinese patent CN103708810A
A kind of test model clay of simulation District of Shanghai 5. layer weak soil is disclosed, constitutive material is as follows according to the mass fraction：Weight is brilliant
40 parts of mountain flour, 10~20 parts of clay, 10~25 parts of dry powder, 30~45 parts of bentonite, 30~45 parts of washing powder, water 35~49
Part, wherein clay is the 5. layer weak soil for being derived from District of Shanghai, and same water intensity of meeting is lost significantly, is not suitable under the conditions of rich water
The case where.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of not only statics
Matter can meet similarity relation with the respective value of IV, V grade of country rock, and under the action of water, and material character is stablized relatively, has
Certain intensity, the test model clay and preparation method thereof under the smaller simulation rich water wall rock condition of permeability.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of test model clay simulated under rich water wall rock condition, includes the component of following mass percentage content：
Preferably, the aggregate is made of blanc fixe and quartz sand, and the quality of the quartz sand accounts for experiment use
The 17~76% of model clay gross mass.
It is further preferred that the fineness of the blanc fixe is 300~800 mesh.
It is further preferred that the fineness of the blanc fixe is 300~400 mesh.
Preferably, the grain size of the quartz sand is less than 2mm.
It is further preferred that quartz sand of the grain size within the scope of 0.25~1.0mm accounts for 80~90wt% of quartz sand total amount.
Preferably, the cementing agent is vaseline.
It is further preferred that the vaseline is no-toxicity medical grade White petrolatum.
Preferably, the conditioning agent is paraffin hydrocarbons.
A kind of simulation rich water wall rock condition under test model clay preparation method, include the following steps：
(1) each component is weighed according to the ratio；
(2) it adds water in uniformly mixed aggregate, and mix is uniform；
(3) conditioning agent is added, and stirs evenly；
(4) vaseline of melting is added, and be uniformly mixed, the test model clay is made.
Wherein, vaseline is heated to 45~50 DEG C to be melted, and be rapidly added.
Density, elasticity modulus, Poisson's ratio, internal friction angle of test model clay of the present invention etc. and IV, V and VI grades of country rocks
Respective value meet similarity relation, there is low-intensity, the feature of low deformation modulus, and material preparation is flexible, and stability is high, at
This is low.
Compared with prior art, the invention has the advantages that：
(1) test model clay of the invention is using vaseline as cementing agent, and for paraffin as conditioning agent, quartz sand and weight are brilliant
Mountain flour is aggregate, soil sample property can be made to meet experiment similitude requirement by different proportionings.Density range 2.09~
2.381g/cm3Between, cohesive strength range is between 2.25~27.51kPa, and internal friction angle range is between 21.5~33.2 °.
The statics property for the soil sample that the present invention prepares meets similarity relation with the respective value of IV, V and VI grades of country rocks.
(2) under the action of water, material character is stablized, and has certain intensity, permeability smaller.
(3) it is convenient for preparing and filling on a large scale at room temperature, prepares flexibly, it is at low cost.
Description of the drawings
Fig. 1 is the grading curve figure of the quartz sand in embodiment 1.
Specific implementation mode
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.Those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.The present invention can also be by addition different specific
Embodiment is embodied or practiced, and the various details in this specification can also be based on different viewpoints and application, not carry on the back
Various modifications or alterations are carried out under spirit from the present invention.
Embodiment 1
A kind of test model clay simulated under rich water wall rock condition, includes the component of following mass percentage content：
Preferably, select blanc fixe and quartz sand as aggregate, vaseline is made as cementing agent, paraffin hydrocarbons
For conditioning agent, and 1~15 totally ten five groups of test model clays are configured with according to different proportionings.
Preferably, the quality of quartz sand accounts for the 17~76% of the test model clay gross mass.
Preferably, the fineness of blanc fixe is 300~800 mesh, and the grain size of quartz sand is less than 2mm.
As further preferred scheme, the fineness of barite is 300~400 mesh, in quartz sand grain size 0.25~
Quartz sand within the scope of 1.0mm accounts for 80~90wt% of quartz sand total amount.
The grading curve of the quartz sand that the present embodiment uses as shown in Figure 1, the fineness of blanc fixe for 325 mesh, it is all
Intellectual circle is no-toxicity medical grade White petrolatum.
Configuration method is as follows：
First, aggregate and cementing agent are weighed in strict accordance with ratio, then mixes two kinds of materials of quartz sand and blanc fixe
And it stirs evenly；Then water is added in uniformly mixed aggregate, and mix is uniform；Conditioning agent paraffin is added and is sufficiently stirred；
Then vaseline is heated to 45~50 DEG C, makes its melting, uniformly mixed with above-mentioned material rapidly.
Then experiment of machanics is carried out to the material, respectively tests density and shearing test, uniaxial compressive strength test is oozed
Saturating coefficient test, strength of materials reduction test.
Pass through density measurement and shearing test, it can be deduced that the density, cohesive strength of the test model clay under different ratio
With internal friction angle, as shown in table 1.
Density, cohesive strength and the internal friction angle of 1 different ratio test model clay of table
It is tested by uniaxial compressive strength, it can be deduced that the unconfined compressive strength of the test model clay under different ratio
With without correct adhesive aggregation force value, as shown in table 2.
Table 2 part proportioning test model clay unconfined compressive strength with without correct adhesive aggregation force value
It is tested by infiltration coefficient, the permeability parameters of the test model clay under different ratio can be obtained, such as 3 institute of table
Show.
The lower test model clay permeability test data of 3 part of table proportioning
It is reduced and is tested by the strength of materials, it can be deduced that normal test specimen and full water test specimen made from test model clay exist
Compression strength under uniaxial compression test, as shown in table 4, full water test specimen can be processed to obtain by vacuum saturation.
The compression strength of 4 normal test specimen of table and full water test specimen under uniaxial compression test contrasts table
It needs to carry out low-temperature heat to vaseline in the manufacturing process of model clay, should keep preparing the open ventilation of environment, need to protect
The accurate of a variety of materials proportioning is demonstrate,proved, and is mixed and stirred for rapidly uniformly with the vaseline of molten condition.After the completion of test specimen is prepared, by
In having vaseline as water-retaining agent, while mixing water being added in material, curing condition has been required relatively low.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (7)
1. the test model clay under a kind of simulation rich water wall rock condition, which is characterized in that by following mass percentage content
Group is grouped as：
The aggregate is made of blanc fixe and quartz sand, and the quality of the quartz sand accounts for the test model clay gross mass
17~76%；
The cementing agent is vaseline；
The conditioning agent is liquid paraffin.
2. the test model clay under simulation rich water wall rock condition according to claim 1, which is characterized in that the weight
The fineness of spar powder is 300~800 mesh.
3. the test model clay under simulation rich water wall rock condition according to claim 2, which is characterized in that the weight
The fineness of spar powder is 300~400 mesh.
4. according to the test model clay under any simulation rich water wall rock condition of claims 1 to 3, which is characterized in that
The grain size of the quartz sand is less than 2mm.
5. the test model clay under simulation rich water wall rock condition according to claim 4, which is characterized in that grain size exists
Quartz sand within the scope of 0.25~1.0mm accounts for 80~90wt% of quartz sand total amount.
6. the test model clay under simulation rich water wall rock condition according to claim 1, which is characterized in that described is all
Intellectual circle is no-toxicity medical grade White petrolatum.
7. the preparation method of the test model clay under a kind of simulation rich water wall rock condition as described in claim 1, feature
It is, includes the following steps：
(1) each component is weighed according to the ratio；
(2) it adds water in uniformly mixed aggregate, and mix is uniform；
(3) conditioning agent is added, and stirs evenly；
(4) vaseline of melting is added, and is uniformly mixed, the test model clay is made.
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| CN201610583630.5A CN106186840B (en) | 2016-07-22 | 2016-07-22 | A kind of test model clay and preparation method thereof simulated under rich water wall rock condition |
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| CN201610583630.5A CN106186840B (en) | 2016-07-22 | 2016-07-22 | A kind of test model clay and preparation method thereof simulated under rich water wall rock condition |
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| CN106186840B true CN106186840B (en) | 2018-10-26 |
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| CN109437672A (en) * | 2018-11-26 | 2019-03-08 | 西南科技大学 | A kind of Rock soil similar material and preparation method thereof that intensive parameter is controllable |
| CN109608105B (en) * | 2019-01-30 | 2021-10-26 | 济南大学 | Novel stratum material for simulating flood-surging composite stratum in yellow river area and preparation method thereof |
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| JPS5433531A (en) * | 1978-08-11 | 1979-03-12 | Hikotarou Yajima | Inorganic compositions |
| CN102390975B (en) * | 2011-08-08 | 2013-01-16 | 四川大学 | Geomechanics model simulating material for simulating weak rock mass and preparation method of geomechanics model simulating material |
| CN102390961B (en) * | 2011-08-08 | 2013-03-06 | 四川大学 | Geomechanical model simulating material for simulating rock mass and preparation method thereof |
| CN102557551B (en) * | 2011-12-19 | 2013-08-28 | 山东大学 | Fluid-solid coupling similar material for model test and preparation method for material |
| CN105675385A (en) * | 2016-01-08 | 2016-06-15 | 三峡大学 | Geological temperature sensitive material capable of simulating weak bedding plane, making method and temperature control system thereof |
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Application publication date: 20161207 Assignee: TONGJI ARCHITECTURAL DESIGN (Group) Co.,Ltd. Assignor: TONGJI University Contract record no.: X2021980004660 Denomination of invention: A model soil and its preparation method for simulating water rich surrounding rock Granted publication date: 20181026 License type: Exclusive License Record date: 20210611 |