CN108610646A - A kind of preparation method for simulating the solid material of mud-rock flow experiment - Google Patents
A kind of preparation method for simulating the solid material of mud-rock flow experiment Download PDFInfo
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- CN108610646A CN108610646A CN201810439900.4A CN201810439900A CN108610646A CN 108610646 A CN108610646 A CN 108610646A CN 201810439900 A CN201810439900 A CN 201810439900A CN 108610646 A CN108610646 A CN 108610646A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/005—Lignin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
A kind of preparation method for simulating the solid material of mud-rock flow experiment includes the following steps：Native stone particle and base paste are placed in hopper and are compacted into premix after evenly mixing；The premix is sprayed with 40 60 degrees Celsius of water；By hopper preservative film sealed envelope, and keeps the temperature in the hopper to be 50 degrees Celsius and stand 5 10 days；The hopper is positioned on shake table, makes the natural loose compacted under self gravitation effect of vibration of the material through shake table in the hopper, you can obtain the solid material in the hopper.Solid material prepared by the present invention, it is obtained by base paste and native stone particle formulation, the solid material form of STUDY OF DEBRIS FLOW region can extremely accurate be simulated, avoid remote capture, material deterioration, the character that transport, storage tape are come change the defect of the excessive analog reslt inaccuracy brought, more accurate experimental result can be obtained.
Description
Technical field
The present invention relates to debris flows simulation experimental fields more particularly to a kind of experimentation for simulating mud-rock flow to consolidate
Body material, the more particularly to preparation method of a kind of solid material for debris flows simulation experiment.
Background technology
Mud-rock flow, which is one kind, having fulminating geological disaster, has greatly harm to the mankind and its living environment, more
Send out the special flood of the solid matters such as a kind of a large amount of silt particles of entrainment, the stone formed by precipitation (heavy rain, snow melt, glacier) in mountain area
Stream has powerful destructive power.
The research and appraisal of mud-rock flow and the important topic that prevention and cure project design is always engineering geology.Carrying out one
When the design of debris flow gully prevention and cure project, comprehensive forest survey is carried out to full basin in advance, to find out the development of mud-rock flow
History, exercise condition and development trend.On the basis of investigation, mud-rock flow degree of danger is evaluated, and uses a variety of analyses
Compare, determine the parameters of debris flow control works design with holding water, is provided for the economy of harnessing project, rational design
Required data, to complete prevention and cure project specification report.Certainly, since occurrence frequency of debris flow is relatively low, it is difficult to track
Occurent mud-rock flow is investigated, and different geographical geological condition, different periods precipitation event difference are larger, pass through field investigation
The relevant parameter for obtaining mud-rock flow often can not meet actual needs, thus real research work generally use debris flows simulation is real
Test to obtain the correlation properties of mud-rock flow, for the prediction of mud-rock flow and for taking precautions against natural calamities, mitigation, disaster relief engineering design.
The prior-art devices of debris flows simulation experiment are disclosed in CN 102147325A, the prior art is in mud-rock flow
During simulated experiment, needs to place the solid material for being collected in STUDY OF DEBRIS FLOW region in hopper, be sprayed to solid material
Fluid Dynamics rainfall, or solid material is impacted with the water in sink, study the generation of mud-rock flow to cause mud-rock flow
Mechanism.For simplicity, it also fetches earth nearby sometimes and prepares solid material.In addition to this, the also prior art is in research mud-rock flow
When kinetic characteristic, solid soil stone and liquid are also directly configured to the mud-rock flow of certain specific modality in advance sometimes, still
Since mud-rock flow is with time and the gradual development and change of precipitation, the mud-rock flow of this specific modality prepared in advance is only
The mud-rock flow form of some specific time in mud-rock flow evolution can only at most simulate the mud-rock flow after the specific time
Development, to before specific time the case where, can not simulate, therefore the mudstone of this specific modality prepared in advance
Stream is highly inaccurate for simulated experiment, can not simulate comprehensive occurrence and development process of mud-rock flow.
And when by way of simulated precipitation to solid material spray water, it is desirable to provide as possible close to STUDY OF DEBRIS FLOW
The solid material of region, the solid material needed for the acquisition of STUDY OF DEBRIS FLOW region locality is common method, although this is difficult
Accomplish (road hardships and dangers) and sufficiently expensive (transport difficult), but many research projects are accurate in order to pursue experimental result, not
It obtains and does not handle in this way.However nonetheless, due to locality with sample plot remote away, acquisition time and experimental period are also spaced
It is indefinite so that after acquiring the solid material through a long time transport of acquisition and stacking, dry materials dehydration, organic matter fermentation corruption
Cause character to occur greatly to change, the intragranular disintegration of especially solid material becomes smaller, organic matter intergranular viscosity after losing,
Bonding tightness reduction is very big, and the in addition microorganism mortality in solid material is difficult to restore, consolidating when causing finally to test
Body material has not met the actual conditions of research region, seriously affects the accuracy of debris flows simulation test result.
Invention content
The technical problem to be solved in the present invention is to provide a kind of preparation sides for simulating the solid material of mud-rock flow experiment
Method, the problem of being formerly mentioned is reduced or avoided.
Specifically, the present invention provides a kind of preparation method for simulating the solid material of mud-rock flow experiment, pass through
Base paste can prepare the solid material for obtaining and being suitable for needed for debris flows simulation experiment with native stone particle, can obtain more
Accurate experimental result.
In order to solve the above technical problems, the present invention proposes a kind of preparation for simulating the solid material of mud-rock flow experiment
Method obtains the solid material being suitable for needed for debris flows simulation experiment by base paste and native stone particle formulation, can
To obtain more accurate experimental result, wherein the preparation method of the solid material includes the following steps：By 100-150 weights
The native stone particle of amount part and the base paste of 5-10 parts by weight are placed in hopper and are compacted into premix after evenly mixing；With
40-60 degrees Celsius of water of 10-30 parts by weight sprays the premix；By hopper preservative film sealed envelope,
And it keeps the temperature in the hopper to be 50 degrees Celsius and stands 5-10 days；The hopper is positioned on shake table, the material is made
Vibration of the material through shake table in the slot natural loose compacted under self gravitation effect, you can described in being obtained in the hopper
Solid material；Wherein, the base paste is made of the raw material components of following parts by weight：600-1000 parts of water；Lignin sulfonic acid
20-30 parts of sodium；8-10 parts of phenol；20-25 parts of formaldehyde；10-15 parts of sulfonating agent；50-60 parts of calcium carbonate；5-15 parts of silica flour；Cement
5-15 parts；Thin 10-20 parts of walnut shell；10-20 parts of acrylic acid polymer；10-20 parts of polyacrylamide sodium；1-2 parts of sodium peroxydisulfate；
4-5 parts of preservative；10-20 parts of carbomer.
Preferably, the sulfonating agent is preferably sodium sulfite, sodium hydrogensulfite, one or more of Sodium Metabisulfite
Mixture.
Preferably, the preservative is preferably with sorbic acid and its salt, benzoic acid and its salt and paraben esters.
Preferably, it according to the vegetation of the Various Seasonal of STUDY OF DEBRIS FLOW region, can be starched in native stone particle and basis
During the mixing of material, plant roots and stems are added, such as straw etc. simulates region vegetation.
Preferably, plant roots and stems are replaced using the thinner fishing net of cable, for filling in the solid material of mudstone flow model
Superficial layer, the effect for simulating vegetation is more preferable.
Solid material prepared by the present invention is obtained by base paste and native stone particle formulation, can extremely accurate mould
The solid material form of quasi- STUDY OF DEBRIS FLOW region avoids remote capture, transport, the material deterioration of storage tape, character
The defect for changing the excessive analog reslt inaccuracy brought, can obtain more accurate experimental result.
Description of the drawings
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein,
Fig. 1 is the manufacture schematic diagram of the mudstone flow model of a specific embodiment according to the present invention.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control illustrates this hair
Bright specific implementation mode.Wherein, identical component uses identical label.
The defect present in the prior art referred to based on background technology part, the present invention provides one kind being used for mud-rock flow
The base paste of simulated experiment, the base paste can be obtained with native stone particle formulation to be suitable for needed for debris flows simulation experiment
Solid material.
Specifically, the base paste provided by the present invention for debris flows simulation experiment is a kind of sticky pulpous state mixing
Object can be mixed with the native stone particle for the geological characteristics for meeting STUDY OF DEBRIS FLOW region, to make native stone particle pass through
The base paste stick to each other of the present invention, infiltration, final caking form the solid material that can be used for debris flows simulation experiment.Its
In, the native stone particle for constituting solid material can be the native stone particle for being collected in STUDY OF DEBRIS FLOW region, can also be to adopt nearby
The character of collection is similar to the native stone particle of research region.By controlling the proportionate relationship of native the stone particle and base paste of acquisition,
Acquisition can be facilitated to meet the solids that can be used for debris flows simulation experiment of the physicochemical properties such as the density of requirement of experiment, humidity
Material.
1 base paste of embodiment
In one particular embodiment of the present invention, the base paste of the invention can be by the raw material of following parts by weight
Component is made：
600-1000 parts of water；20-30 parts of sodium lignin sulfonate；8-10 parts of phenol；20-25 parts of formaldehyde；Sulfonating agent 10-15
Part；50-60 parts of calcium carbonate；5-15 parts of silica flour；5-15 parts of cement；Thin 10-20 parts of walnut shell；10-20 parts of acrylic acid polymer；
10-20 parts of polyacrylamide sodium；1-2 parts of sodium peroxydisulfate；4-5 parts of preservative；10-20 parts of carbomer.
In the above-mentioned raw materials component of the present invention, acrylic acid polymer, polyacrylamide sodium and carbomer etc. are easily formed
The gel state of stable state, character are stablized, and coordinate calcium carbonate, silica flour, cement of inanimate matter etc. that can react swelling generation sticky
State suspended matter is easy to filled solid material gap, then coordinates the thin walnut of drying and crushing of the water content less than 5% of 10-30 mesh
The organic matter and lignin that shell provides can form sulphur with sodium lignin sulfonate, sulfonating agent, sodium peroxydisulfate, phenol, formaldehyde etc.
Change reaction, reaction product, which is attached on the outside of the particle of solid material, can improve viscosity and bonding tightness, the solid of formation
Material does not allow easy disintegrating, and the solid material character and actual conditions of simulation test are very close, can obtain more accurate examination
Test result.In addition, inanimate matter and organic matter can be during the mixing of native stone particle and base paste, based on real in material
Border situation carries out appropriate allotment addition, by as possible close in the form of the solid material of STUDY OF DEBRIS FLOW region.
In a specific embodiment, the sulfonating agent can be preferably sodium sulfite, and sodium hydrogensulfite lays particular stress on sulfurous acid
One or more of sodium mixture.
In another specific embodiment, the preservative can preferably with sorbic acid and its salt, benzoic acid and its salt and
Parabens etc..
Using the base paste of the present invention, it can be obtained with native stone particle Fresh and be suitable for debris flows simulation experiment institute
Need solid material, can extremely accurate simulate the solid material form of STUDY OF DEBRIS FLOW region, avoid remote capture,
Material deterioration, the character that transport, storage tape are come change the defect of the excessive analog reslt inaccuracy brought.
In addition, solid material of the present invention by base paste Fresh, it can be with the reality of STUDY OF DEBRIS FLOW region
Situation keeps fairly good consistency, can simulate mud-rock flow with whole process during the test as time and precipitation are since most
The entire change procedure of end is tapered to, and for the mud-rock flow for certain specific modality prepared in advance, in advance
The mud-rock flow of preparation can only begin one's study development thereafter from some form of mud-rock flow, can not accomplish whole process simulation examination
It tests, thus the present invention can obtain more accurate experimental result.
The preparation of 2 base paste of embodiment
The preparation method of the base paste for simulating mud-rock flow experiment of the present invention is further illustrated below, also needs
Special declaration, base paste of the invention are to be suitable for consolidating needed for debris flows simulation experiment for being obtained with native stone particle formulation
Body material, rather than it is formulated directly into the mud-rock flow of certain form, thus the present invention can as described above obtain more
Accurate experimental result.
Specifically, the raw material components that the base paste of the present invention can be provided by embodiment 1 are made, preparation method includes
Following steps：
The raw material components of following parts by weight are put into reaction kettle, uniform stirring forms mixture：300-500 parts of water；Wood
20-30 parts of quality sodium sulfonate；8-10 parts of phenol；20-25 parts of formaldehyde；10-15 parts of sulfonating agent；50-60 parts of calcium carbonate；Silica flour 5-15
Part；5-15 parts of cement；Thin 10-20 parts of walnut shell；10-20 parts of acrylic acid polymer；10-20 parts of polyacrylamide sodium；Persulfuric acid
1-2 parts of sodium；10-20 parts of carbomer.
Later, the mixture is warming up to 130 DEG C, reacts 2 hours, the product after reaction is subjected to spray drying acquisition
Solid powder.
Finally, the solid powder is uniformly mixed with the preservative of the water of 300-500 parts by weight, 4-5 parts by weight, is stood
Swelling 12~24 hours, obtains the base paste.
In a specific embodiment, the sulfonating agent can be preferably sodium sulfite, and sodium hydrogensulfite lays particular stress on sulfurous acid
One or more of sodium mixture.
In another specific embodiment, the preservative can preferably with sorbic acid and its salt, benzoic acid and its salt and
Parabens etc..
The base paste obtained through the above steps can long term storage at room temperature in a sealed container, be preferably placed on
Preservation in 10-15 degrees Celsius of cool environment avoids sunlight sealing container, should also avoid local heating.In the present invention
It states step and material is mixed into heating, the activity of organic matter can be inhibited, can effectively extend the shelf-life of base paste.Pass through spray
Mist is dried, and the extruding of the gas in base paste as possible can be discharged, follow-up to be added after anti-corrosion solvent swell, the basis of liquid
The gas that slurry contains is less, convenient for sealing long term storage, will not cause container inner pressure is excessive to endanger due to excessive gas
Danger.
3 solid material of embodiment
The composition of the solid material for simulating mud-rock flow experiment of the present invention is further illustrated below, that is, passes through this
The above-mentioned base paste of invention is similar to the character for being collected in the native stone particle of STUDY OF DEBRIS FLOW region or acquiring nearby and grinds
Study carefully the native stone particle of region, prepares the solid material for obtaining and being suitable for needed for debris flows simulation experiment, rather than be formulated directly into
The mud-rock flow of certain form, thus the present invention can obtain more accurate experimental result as previously described.
Specifically, the solid material of the present invention can be made of the raw material components of following parts by weight：
The native stone particle for being collected in STUDY OF DEBRIS FLOW region of 100-150 parts by weight or the character acquired nearby are similar to
Study the native stone particle of region；Base paste prepared by the previous embodiment of 5-10 parts by weight；The 40-60 of 10-30 parts by weight takes the photograph
The water of family name's degree.
Identical as previous embodiment, the base paste used in the present embodiment can be by the raw material components of following parts by weight
It is made：600-1000 parts of water；20-30 parts of sodium lignin sulfonate；8-10 parts of phenol；20-25 parts of formaldehyde；10-15 parts of sulfonating agent；Carbon
Sour calcium 50-60 parts；5-15 parts of silica flour；5-15 parts of cement；Thin 10-20 parts of walnut shell；10-20 parts of acrylic acid polymer；Poly- third
10-20 parts of alkene acyl sodium；1-2 parts of sodium peroxydisulfate；4-5 parts of preservative；10-20 parts of carbomer.
In a specific embodiment, the sulfonating agent can be preferably sodium sulfite, and sodium hydrogensulfite lays particular stress on sulfurous acid
One or more of sodium mixture.
In another specific embodiment, the preservative can preferably with sorbic acid and its salt, benzoic acid and its salt and
Parabens etc..
Wherein, base paste can be obtained by the preparation method of embodiment 2.
The preparation of 4 solid material of embodiment
The preparation method of the solid material for simulating mud-rock flow experiment of the present invention is further illustrated below, that is, logical
The above-mentioned base paste for crossing the present invention is similar with the character for being collected in the native stone particle of STUDY OF DEBRIS FLOW region or acquiring nearby
Native stone particle in research region is prepared the solid material for obtaining and being suitable for needed for debris flows simulation experiment, rather than is directly matched
The mud-rock flow of certain form is made, thus the present invention can obtain more accurate experimental result as previously described.
Specifically, the raw material components that the solid material of the present invention can be provided by embodiment 3 are made, preparation method includes
Following steps：
The native stone particle for being collected in STUDY OF DEBRIS FLOW region of 100-150 parts by weight or the character acquired nearby is similar
Native stone particle in research region, which is placed in base paste prepared by the previous embodiment of 5-10 parts by weight in hopper, uniformly to be mixed
After be compacted into premix；
The premix is sprayed with 40-60 degrees Celsius of water of 10-30 parts by weight；
By hopper preservative film sealed envelope, and it is 50 degrees Celsius of standing 5-10 to keep the temperature in the hopper
It；
The hopper is positioned on shake table, vibration of the material through shake table in the hopper is made to make in its own gravity
With lower natural loose compacted, you can obtain the solid material in the hopper.
Identical as previous embodiment, the base paste used in the present embodiment can be by the raw material components of following parts by weight
It is made：600-1000 parts of water；20-30 parts of sodium lignin sulfonate；8-10 parts of phenol；20-25 parts of formaldehyde；10-15 parts of sulfonating agent；Carbon
Sour calcium 50-60 parts；5-15 parts of silica flour；5-15 parts of cement；Thin 10-20 parts of walnut shell；10-20 parts of acrylic acid polymer；Poly- third
10-20 parts of alkene acyl sodium；1-2 parts of sodium peroxydisulfate；4-5 parts of preservative；10-20 parts of carbomer.
In a specific embodiment, the sulfonating agent can be preferably sodium sulfite, and sodium hydrogensulfite lays particular stress on sulfurous acid
One or more of sodium mixture.
In another specific embodiment, the preservative can preferably with sorbic acid and its salt, benzoic acid and its salt and
Parabens etc..
Wherein, base paste can be obtained by the preparation method of embodiment 2.
The solid material obtained through the above steps can obtain the shape of gravity sedimentation under natural conditions by compaction simulation
State is sprayed by warm water, and can form moist environment before compacting, can also add yeast powder in material certainly
(the native stone particle obtained from nature includes inherently a certain amount of organic mushroom), subsequently plus during water-stop package
Certain organic matter and gas can be formed, can accelerate to form the solid material of natural mode.Last vibration can form gravity
The state of natural consolidation is more nearly with natural geology state.The solid material obtained in hopper, can under the package of preservative film
Big variation will not occur to retain its humidity, it is ensured that its density and consolidation degree are constant, are conducive to manufacture and form subsequent mud
Rock glacier model.
Certainly, character caused by being shifted in order to avoid solid material changes, and can also remove the preservative film for wrapping up hopper
Later, entire hopper is used as debris flows simulation test flume, the solid material in hopper is piled up, modify molding after,
Can its current state directly carry out subsequent simulation test, the test result of acquisition can be more accurate.
It further, can be on native stone particle and basis according to the vegetation of the Various Seasonal of STUDY OF DEBRIS FLOW region
During the mixing of slurry, plant roots and stems are added, such as straw etc. simulates region vegetation.According to mudstone flow model phase
To smaller feature, preferably the thinner fishing net of cable can also be used to replace plant roots and stems, for filling in mudstone flow model
The superficial layer of solid material, the effect for simulating vegetation are more preferable.
It, can also be in the mixed of native stone particle and base paste in addition, in view of the serious feature of mud-rock flow region soil stone weathering
During conjunction, discrete distribution and surface layer or stone, lime stone powder etc. in superficial layer are added, simulating natural environment is gone down the hill
Body landslide falls the substance etc. of disintegration, by as possible close in the form of the solid material of STUDY OF DEBRIS FLOW region.
The manufacture of 5 mudstone flow model of embodiment
The solid material that various density and humidity can be prepared by base paste above-mentioned, the solid material prepared are logical
It crosses and piles up, modifies, the mud such as a debris flow gully for debris flows simulation experiment can be built in debris flows simulation test flume
Rock glacier model.However, the debris flow gully in reality, the dry and wet degree of different zones, compaction state have differences, simply
The mudstone flow model to be formed is piled up by the solid material for mixing uniform not tally with the actual situation, and debris flows simulation is tested
For be inaccurate.
Therefore, a specific embodiment according to the present invention, invention further provides a kind of systems of mudstone flow model
Method is made, as shown in Figure 1, the manufacture signal of the mudstone flow model of a specific embodiment according to the present invention is shown in it
Figure.Referring to the manufacturing method of Fig. 1 mudstone flow models that the present invention will be described in detail, which includes the following steps：
One debris flows simulation test flume 1 is provided first, is placed on being positioned on shake table 2；
Hollow out partition panel 3 of the setting with multiple marker spaces 31 in the debris flows simulation test flume 1, the hollow out every
The shape of disconnected plate 3 is consistent with the corresponding landform of STUDY OF DEBRIS FLOW region；
It, will according to the sampling density and humidity on the corresponding region stratum of STUDY OF DEBRIS FLOW region in each marker space 31
The solid material of the prepared same density of previous embodiment and humidity is filled in corresponding marker space 31 so that filling is consolidated
Body material is flushed with the upper end of the hollow out partition panel 3, then by the hollow out partition panel 3 from the debris flows simulation test flume
It is extracted out in 1；
Start the shake table 2, makes vibration of the material through shake table 2 in the debris flows simulation test flume 1 at itself
Natural loose compacted forms one layer of experiment soil layer under gravity, closes the shake table 2 later；
Successively on the experiment soil layer, place another hollow out consistent with the corresponding landform of STUDY OF DEBRIS FLOW region every
Disconnected plate 3 is then shut off the shake table 2, successively shape according to abovementioned steps filled solid material, extraction hollow out partition panel 3, startup
It is final to obtain required mudstone flow model at the geological stratification for meeting STUDY OF DEBRIS FLOW region.
The above-mentioned solid material being filled in the marker space 31 can be obtained by embodiment 3, and preparation method can be by
Embodiment 4 obtains.That is, the solids of various trait can be prepared according to the density and humidity on required stratum by embodiment 4
Material, these solid materials are placed on after preparing in the hopper for being enclosed with preservative film, need the marker space for being filled into hollow out partition panel
When middle, carry out toppling over filling after preservative film being removed.
In order to ensure each layer of model experiment soil layer is closer to actual conditions, preferably the hollow out partition panel 3 by
The thickness of integrated injection molding is made of the flexible PET of 1-2 mm of thickness, and the height of the hollow out partition panel 3 is 2-5 centimetres.
Using integrated injection molding can be facilitated by mold acquisition meet STUDY OF DEBRIS FLOW region correspondence landform curve form, it is soft
Property PET material frictional force is small, is easy to extract out from solid material, after the drawing out partition plate of relatively thin thickness, be left in soil layer
Clearance space be easier by way of vibration the solid material by adjacent area filling, be integrated into one, avoid model
Inside generates slight crack, influences experimental precision.
Mudstone flow model produced by the present invention can prepare the geological stratification of different densities and humidity characteristic according to landform, can be with
It is more in line with dry and wet degree, the compaction state of the different zones of mud-rock flow experiment region, is conducive to obtain more accurate experiment
As a result.
It will be appreciated by those skilled in the art that although the present invention is described in the way of multiple embodiments,
It is that not each embodiment only contains an independent technical solution.So narration is used for the purpose of for the sake of understanding in specification,
The skilled in the art should refer to the specification as a whole is understood, and by technical solution involved in each embodiment
Regard as and can be combined with each other into the mode of different embodiments to understand protection scope of the present invention.
The foregoing is merely the schematical specific implementation modes of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, do not depart from the design of the present invention and under the premise of principle made by equivalent variations, modification and combination,
The scope of protection of the invention should all be belonged to.
Claims (5)
1. a kind of preparation method for simulating the solid material of mud-rock flow experiment is obtained by base paste and native stone particle formulation
The solid material being suitable for needed for debris flows simulation experiment is obtained, more accurate experimental result can be obtained, feature exists
In the preparation method of the solid material includes the following steps：
The base paste of the native stone particle of 100-150 parts by weight and 5-10 parts by weight is placed in hopper and is pressed after evenly mixing
In fact at premix；
The premix is sprayed with 40-60 degrees Celsius of water of 10-30 parts by weight；
By hopper preservative film sealed envelope, and keeps the temperature in the hopper to be 50 degrees Celsius and stand 5-10 days；
The hopper is positioned on shake table, makes vibration of the material through shake table in the hopper under self gravitation effect
Natural loose compacted, you can the solid material is obtained in the hopper；
Wherein, the base paste is made of the raw material components of following parts by weight：
600-1000 parts of water；20-30 parts of sodium lignin sulfonate；8-10 parts of phenol；20-25 parts of formaldehyde；10-15 parts of sulfonating agent；Carbon
Sour calcium 50-60 parts；5-15 parts of silica flour；5-15 parts of cement；Thin 10-20 parts of walnut shell；10-20 parts of acrylic acid polymer；Poly- third
10-20 parts of alkene acyl sodium；1-2 parts of sodium peroxydisulfate；4-5 parts of preservative；10-20 parts of carbomer.
2. preparation method as described in claim 1, which is characterized in that the sulfonating agent is preferably sodium sulfite, bisulfite
Sodium, one or more of Sodium Metabisulfite mixture.
3. preparation method as described in claim 1, which is characterized in that the preservative is preferably with sorbic acid and its salt, benzene first
Acid and its salt and parabens etc..
4. preparation method as described in claim 1, which is characterized in that according to the vegetation of the Various Seasonal of STUDY OF DEBRIS FLOW region
Situation can add plant roots and stems during the mixing of native stone particle and base paste, such as straw etc. simulates region
Vegetation.
5. preparation method as claimed in claim 4, which is characterized in that preferably the thinner fishing net of cable is used to replace plant roots
Stem, for filling the superficial layer in the solid material of mudstone flow model, the effect for simulating vegetation is more preferable.
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