CN103940853B - Chemical electric osmose discrete material pile model test apparatus and test method are combined in slip casting - Google Patents
Chemical electric osmose discrete material pile model test apparatus and test method are combined in slip casting Download PDFInfo
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Abstract
The invention discloses a kind of visual slip casting and combine chemical electric osmose discrete material pile model test apparatus and test method, it is characterized in that it comprises transparent model groove, transparent model groove top is provided with transparent pressure plate, discrete material pile is provided with in groove, pre-buried electronic GSZ outside discrete material pile, the top of electronic GSZ is connected with the positive and negative electrode of direct supply respectively by wire, pile body inner hub location built-in slip casting pipe; Described discrete material pile is intended by the transparent clay model of water-soluble, and soil around pile is intended by the transparent clay model of the molten type of oil; The outer side of transparent model groove and top are provided with the lasing light emitter be arranged in travel mechanism, face of facing outside transparent model groove, the face of overlooking are provided with the digital camera being arranged on observable transparent model slot space in travel mechanism, and digital camera is connected with treating apparatus by data line; Test unit of the present invention is easy and simple to handle, repeatable strong; Transparent soil and the similarity of natural earth soil mass property of preparation are good; Test method can be used to chemical electric osmose, grouting pile body is formed and the visual inspection that infiltrates in soil around pile of slurries and measurement.
Description
Technical field
The present invention relates to a kind of model test of building pile foundation, chemical electric osmose discrete material pile model test apparatus and a test method are combined in specifically slip casting, particularly relate to a kind of visual slip casting and combine chemical electric osmose discrete material pile model test apparatus and test method.
Background technology
Soft Soil Subgrade Treatment method mainly can be divided into pile body to replace humidification and the large class of soil solidifying enhanced squeezing effect two.In pile foundation composite foundation, stake-soil is coordinated acting in conjunction and is shared the essential characteristic that upper load is pile foundation complex ground treatment soft soil foundation.Grasp the rule of Soft Soil Subgrade Treatment pile, the increase of native intensity, understanding stake-soil interaction mechanism is had great importance.
The patent No. is 201110341232.X, denomination of invention be the method for a kind of galvanochemistry grouting associating discrete material pile process soft base patent discloses one in inter-pile soil alternative arrangement Electro-kinetic Geosynthetics electrode, in discrete material pile, place Grouting Pipe, in discrete material pile by Grouting Pipe cement injection slurries, utilize inter-pile soil electrode and the acting force of Grouting Pipe electrode in DC electric field to carry out galvanochemistry grouting to pile peripheral earth, form the technical method of slurry-solidified discrete material pile, effectively can improve the intensity of pile body and pile peripheral earth.But the setting time of cement grout is relatively long and cause integral construction cycle stretch-out.To this, application number is 201210234390.X, and denomination of invention is that a kind of high polymer material slurry-solidified discrete material pile composite foundation and construction method thereof disclose a kind of technical method utilizing polymer material grouted to reinforce discrete material pile.This method high polymer grouting speed is fast, consolidation effect good, can avoid conventional cement slurries grouting behind shaft or drift lining bored concrete pile cement slurry sets length in the length of time, slurries diffusion, problem such as cement grout condensation Grouting Pipe and shaping poor controllability etc.But engineering technical personnel understand very few to the Diffusion Law of high polymer material slurries and bicomponent material chemical action process, thus affect the widespread use of this technology at engineering circles.
In model test in Geotechnical Engineering, research soil body internal deformation rule and mechanism, significant to exploration geotechnical engineering problems essence.Traditional soil deformation measuring method buries a series of sensor underground at inside soil body, obtain the displacement of some discrete point, but sensor is easily by the impact of external environment disturbance, and measurement result is often not accurate enough, the whole displacement field of inside soil body continuous modification can not be provided simultaneously.Modern digital image technology is also confined to measure the macroscopic view of the soil body or border deformation, and what can not realize soil body internal deformation is visual.X-ray, gamma-radiation, Computerized chromatographic is utilized to scan (cat scan) and mr imaging technique (MRI) although can be used for measuring the continuous modification of inside soil body, the widespread use of these technology of the costs constraints of costliness.
Cryolite (Cryolite) is a kind of mineral, chemistry hexafluoro sodium aluminate (Na by name
3alF
6), monoclinic system, column crystal or blocks, odorlessness, easily water suction is made moist, fusing point 1009 DEG C, mohs hardness 2.5, density 2.97g/ ㎝
3~ 3.0g/ ㎝
3refractive index 1.338 ~ 1.339, birefraction 0.001, positive photosensitiveness, dispersion values 0.024, vitreous luster is to oily luster, transparent, colourless, white, brown or redness, originate in and invade in gneissose grouan and pegmatite dike, the main place of production is Greenland, the method Prof. Du Yucang such as available hydrogen fluoride, hydrofluosilicic acid method, carbonation method.The main flux being used as aluminium electroloysis; Also be used as the anti-wear additive of abrasive product, can effectively improve emery wheel wear-resisting, cut, cut power, extend emery wheel serviceable life and storage time; The flux of ferroalloy and rimming steel, non-ferrous metal flux, the deoxidizer of casting, polymerization of olefins catalyzer, and for glass antireflecting coating, the emulsifying agent of enamel, the opalizer of glass, the filling agent of the flux ceramics of wlding, the agrochemical industry and enterprise of agricultural chemicals.
Perfluor cyclic polymer, English Cytop by name, shape of product is irregular, and researched and developed by Japan AGC company (network address http://www.agcce.eu.com/Cytop.asp) and produce, its refractive index is 1.34, and transmittance is 95 ﹪, and unit weight is 2.03g/ ㎝
3, water absorptivity < 0.01 ﹪, linear expansion coefficient 7.4 × 10 ~ 5 ㎝/㎝/ DEG C.Be mainly used in the diaphragm coating in semiconductor manufacturing, the aspects such as communication optical fiber.
Calcium fluoride, chemical formula is CaF
2, be commonly called as fluorite or fluorite, transparency is high, and colourless crystallization or white powder, be insoluble in water, is slightly soluble in mineral acid, fusing point 1402 DEG C, boiling point 2497 DEG C, and refractive index is 1.434, density 3.18g/cm
3.Available calcium carbonate or calcium hydroxide hydrofluoric acid dissolution, concentrate gained solution, or add fluorine ion in calcium saline solution, obtains the gelatinous precipitate of calcium fluoride, can obtain through refining.Laboratory is generally with calcium carbonate and hydrofluorite effect or repeatedly process Fluorspar Powder with concentrated hydrochloric acid and hydrofluorite and prepare calcium fluoride.Be mainly used in the large industry of metallurgy, chemical industry and building materials three, secondly for light industry, optics, engraving and national defense industry.
Because cryolite particle, perfluor cyclic polymerization composition granule, calcium fluoride particles have the high grade of transparency, the feature such as high transmission rate, low-refraction, and its practical physical mechanical property is similar to the physico-mechanical properties of natural earth particle, therefore, transparent solid material can be used as in the transparent soil of preparation.
Summary of the invention
The object of this invention is to provide a kind of visual slip casting and combine chemical electric osmose discrete material pile model test apparatus and test method, with the visual inspection infiltrated in soil around pile chemical electric osmose, the formation of grouting pile body and slurries and measurement.
The present invention adopts following technical scheme to realize its goal of the invention, chemical electric osmose discrete material pile model test apparatus is combined in a kind of slip casting, it comprises transparent model groove, transparent model groove top is provided with transparent pressure plate, discrete material pile is provided with in groove, pre-buried electronic GSZ outside discrete material pile, the top of electronic GSZ is connected with the positive and negative electrode of direct supply respectively by wire, pile body inner hub location built-in slip casting pipe; Described discrete material pile is intended by the transparent clay model of water-soluble, and soil around pile is intended by the transparent clay model of the molten type of oil; The outer side of transparent model groove and top are provided with the lasing light emitter be arranged in travel mechanism, face of facing outside transparent model groove, the face of overlooking are provided with the digital camera being arranged on observable transparent model slot space in travel mechanism, and digital camera is connected with treating apparatus by data line; Laser irradiates transparent model groove and forms the vertical face of transparent model groove and the laser tangent plane of surface level, records pile peripheral earth speckle field and transparency respectively by digital camera, understands chemical electric osmose, the formation of grouting pile body and the slurries Changing Pattern at soil around pile.
Travel mechanism of the present invention comprises the support be arranged on base, and support is provided with can vertically and the slide block that moves horizontally, and described lasing light emitter, digital camera are arranged on slide block respectively; The laser tangent plane of vertical face and surface level is formed by lasing light emitter optional position in transparent model groove, and by digital camera record respectively.
The transparent soil of water-soluble of the present invention it by cryolite and water formulated, described cryolite is the particle of particle diameter 4.5 ㎜ ~ 5.0 ㎜, and its particle is irregularly shaped, refractive index 1.338 ~ 1.339, density 2.97g/ ㎝
3~ 3.0g/ ㎝
3.
The transparent soil of the molten type of oil of the present invention by transparent solid material and colourless pore liquid formulated, described transparent solid material for baking silica sand, described colourless pore liquid is the potpourri of n-dodecane and No. 15 white oils; Described baking silica sand is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, and its particle is irregularly shaped, refractive index 1.4585, density 20.1g/ ㎝
3.
When selecting particle diameter to be the baking quartz sand particle of 0.25 ㎜ ~ 2.0 ㎜, that baking quartz sand particle of the present invention 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
The transparent soil of the molten type of oil of the present invention by transparent solid material and colourless pore liquid formulated, described transparent solid material is perfluor cyclic polymer, and described colourless pore liquid is the potpourri of n-dodecane and No. 15 white oils; Described perfluor cyclic polymer is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, and its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝
3, transmittance 95 ﹪, water absorptivity < 0.01 ﹪.
When selecting particle diameter to be the perfluor cyclic polymerization composition granule of 0.25 ㎜ ~ 2.0 ㎜, that perfluor cyclic polymerization composition granule of the present invention 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
The transparent soil of the molten type of oil of the present invention by transparent solid material and colourless pore liquid formulated, described transparent solid material is calcium fluoride, and described colourless pore liquid is the potpourri of n-dodecane and No. 15 white oils; Described calcium fluoride is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, and its particle is irregularly shaped, refractive index 1.434, density 3.18g/ ㎝
3.
When selecting particle diameter to be the calcium fluoride particles of 0.25 ㎜ ~ 2.0 ㎜, that calcium fluoride particles 0.25 ㎜ of the present invention≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
Chemical electric osmose discrete material pile model test method is combined in a kind of slip casting, and it comprises following process:
(1) modeling: make transparent model groove, transparent pressure plate, the transparent soil of water-soluble of simulation discrete material pile, the transparent soil of the molten type of oil of simulation soil around pile respectively according to testing requirements, pre-buried electronic GSZ in the transparent soil of the molten type of oil, and transparent for water-soluble soil is filled at electronic GSZ inner, the discrete material pile centre position built-in slip casting pipe that the transparent soil of water-soluble is formed, transparent model groove top is provided with transparent pressure plate;
(2) install: the top of electronic GSZ is connected with the positive and negative electrode of direct supply respectively by wire, forms the anode of electronic GSZ, negative electrode; In anode, add calcium chloride solution, solution concentration is 7 ﹪ ~ 15 ﹪, adds sodium silicate solution in negative electrode, and solution concentration is 15 ﹪ ~ 30 ﹪; The outer side of transparent model groove and top install lasing light emitter respectively in travel mechanism, face of facing outside transparent model groove, face of overlooking install the digital camera of observable transparent model slot space respectively in travel mechanism, and digital camera is connected with treating apparatus by data line; Open lasing light emitter, check its particle tangent plane lightness formed at transparent inside soil body, adjustment laser angle, makes tangent plane vertical incidence; Open digital camera, adjustment digital camera lens, can include whole test picture;
(3) test: experimentally design, first switch on power, by digital camera record, the hardening agent regularity of distribution of observing water flow process between chemical electric osmose process of the test Anodic, negative electrode and chemical reaction generate, record data are sent into treating apparatus by data line, understands the Changing Pattern of chemical electric osmose at soil around pile; Reversion electrode, continues the test of chemical electric osmose; When negative electrode water discharge is less than 0.1 ㎜
3/ minute time, terminate chemical electric osmose test procedure;
Then, carry out polymer material grouted by Grouting Pipe to discrete material pile, the body formation of understanding grouting pile and slurries, at the Changing Pattern of soil around pile, complete the visible model testing process that chemical electric osmose discrete material pile is combined in slip casting.
The present invention process (1) in, the transparent mount of the oily molten type of described making is drawn together:
Get the raw materials ready: described in get the raw materials ready as selecting particle diameter to be the baking quartz sand particle of 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described baking silica sand refractive index 1.4585, density 20.1g/ ㎝
3; Described pore liquid is the potpourri of n-dodecane and No. 15 white oils, and the mass ratio of adjustment n-dodecane and No. 15 white oils changes the refractive index of miscella, makes it consistent with the refractive index of baking quartz sand particle;
When selecting particle diameter to be the baking quartz sand particle of 0.25 ㎜ ~ 2.0 ㎜, that baking quartz sand particle of the present invention 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
Mixture: described mixture is calculate according to the size of test condition and sample the consumption determining to toast quartz sand particle and pore liquid, first the layering of baking quartz sand particle is inserted in transparent model groove, and point hit reality 3 ~ 4 times; Then in transparent model groove, pore liquid is injected;
Or first deployed pore liquid is contained in transparent model groove, and baking quartz sand particle is poured in transparent model groove slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep baking quartz sand particle all the time below pore liquid liquid level;
Vacuumize: described in vacuumize for utilize vacuum extractor extract baking quartz sand particle between bubble, utilize inhale ball pump exceed baking quartz sand particle pore liquid;
When middle selection particle diameter of getting the raw materials ready is the baking quartz sand particle of≤0.074 ㎜, in consolidometer, carry out consolidation after vacuumizing, degree of consolidation OCR value 0.8 ~ 3.
The present invention process (1) in, the transparent mount of the oily molten type of described making is drawn together:
Get the raw materials ready: described in get the raw materials ready as selecting particle diameter to be the perfluor cyclic polymerization composition granule of 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described perfluor cyclic polymer refractive index 1.34, density 2.03g/ ㎝
3, transmittance 95 ﹪, water absorptivity < 0.01 ﹪; Described pore liquid is the potpourri of n-dodecane and No. 15 white oils, and the mass ratio of adjustment n-dodecane and No. 15 white oils changes the refractive index of miscella, makes it consistent with the refractive index of perfluor cyclic polymerization composition granule;
When selecting particle diameter to be the perfluor cyclic polymerization composition granule of 0.25 ㎜ ~ 2.0 ㎜, that perfluor cyclic polymerization composition granule of the present invention 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
Mixture: described mixture is calculate according to the size of test condition and sample the consumption determining perfluor cyclic polymer and pore liquid, first the layering of perfluor cyclic polymerization composition granule is inserted in transparent model groove, and point hit reality 3 ~ 4 times; Then in transparent model groove, pore liquid is injected;
Or first deployed pore liquid is contained in transparent model groove, and perfluor cyclic polymerization composition granule is poured in transparent model groove slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep perfluor cyclic polymerization composition granule all the time below pore liquid liquid level;
Describedly to vacuumize as utilizing vacuum extractor to extract bubble between perfluor cyclic polymerization composition granule, utilizing and inhaling ball and pump the pore liquid exceeding perfluor cyclic polymerization composition granule;
When middle selection particle diameter of getting the raw materials ready is the perfluor cyclic polymerization composition granule of≤0.074 ㎜, in consolidometer, carry out consolidation after vacuumizing, degree of consolidation OCR value 0.8 ~ 3.
The present invention process (1) in, the transparent mount of the oily molten type of described making is drawn together:
Get the raw materials ready: described in get the raw materials ready as selecting particle diameter to be the calcium fluoride particles of 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described calcium fluoride refractive index 1.434, density 3.18g/ ㎝
3; Described pore liquid is the potpourri of n-dodecane and No. 15 white oils, and the mass ratio of adjustment n-dodecane and No. 15 white oils changes the refractive index of miscella, makes it consistent with the refractive index of calcium fluoride particles;
When selecting particle diameter to be the calcium fluoride particles of 0.25 ㎜ ~ 2.0 ㎜, that calcium fluoride particles 0.25 ㎜ of the present invention≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
Mixture: described mixture is calculate according to the size of test condition and sample the consumption determining calcium fluoride and pore liquid, first calcium fluoride particles layering is inserted in transparent model groove, and point hit reality 3 ~ 4 times; Then in transparent model groove, pore liquid is injected;
Or first deployed pore liquid is contained in transparent model groove, and calcium fluoride particles is poured in transparent model groove slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep calcium fluoride particles all the time below pore liquid liquid level;
Vacuumize: described in vacuumize as utilizing vacuum extractor to extract bubble between calcium fluoride particles, utilize and inhale ball and pump the pore liquid exceeding calcium fluoride particles;
When middle selection particle diameter of getting the raw materials ready is the calcium fluoride particles of≤0.074 ㎜, in consolidometer, carry out consolidation after vacuumizing, degree of consolidation OCR value 0.8 ~ 3.
Owing to adopting technique scheme, the present invention achieves goal of the invention preferably, and test unit is easy and simple to handle, is easy to realize; By being formed chemical electric osmose, grouting pile body and the visual inspection that infiltrates in soil around pile of slurries and measurement, can be used to the geologic condition of Simulation of Complex, improve people to the understanding of geotechnical engineering problems essence, effectively economize on resources, avoid irrational waste.
Accompanying drawing explanation
Fig. 1 is face of the facing structural representation of test unit of the present invention;
Fig. 2 is face of the overlooking structural representation of test unit of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1:
As seen from Figure 1, Figure 2, chemical electric osmose discrete material pile model test apparatus is combined in a kind of slip casting, it comprises transparent model groove 1, transparent model groove 1 top is provided with transparent pressure plate 8, discrete material pile 3 is provided with in groove, pre-buried electronic GSZ 4 outside discrete material pile 3, the top of electronic GSZ 4 is connected with the positive and negative electrode of direct supply 7 respectively by wire 6, pile body inner hub location built-in slip casting pipe 5; Described discrete material pile 3 is intended by the transparent clay model of water-soluble, and soil around pile 2 is intended by the transparent clay model of the molten type of oil; The outer side of transparent model groove 1 and top are provided with the lasing light emitter be arranged in travel mechanism 13, face of facing outside transparent model groove 1, the face of overlooking are provided with the digital camera 11 being arranged on observable transparent model groove 1 space in travel mechanism 13, and digital camera 11 is connected with treating apparatus 12 by data line; Laser irradiates transparent model groove 1 and forms the vertical face of transparent model groove 1 and the laser tangent plane of surface level, record pile peripheral earth speckle field and transparency respectively by digital camera 11, understand chemical electric osmose, the formation of grouting pile body and the slurries Changing Pattern at soil around pile.
Travel mechanism 13 of the present invention comprises the support be arranged on base, and support is provided with can vertically and the slide block that moves horizontally, and described lasing light emitter, digital camera 11 are arranged on slide block respectively; The laser tangent plane of vertical face and surface level is formed by lasing light emitter optional position in transparent model groove 1, and by digital camera 11 record respectively.
The transparent soil of water-soluble of the present invention it by cryolite and water formulated, described cryolite is the particle of particle diameter 4.5 ㎜ ~ 5.0 ㎜, and its particle is irregularly shaped, refractive index 1.338 ~ 1.339, density 2.97g/ ㎝
3~ 3.0g/ ㎝
3.
The transparent soil of the molten type of oil of the present invention by transparent solid material and colourless pore liquid formulated, described transparent solid material for baking silica sand, described colourless pore liquid is the potpourri of n-dodecane and No. 15 white oils; Described baking silica sand is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, and its particle is irregularly shaped, refractive index 1.4585, density 20.1g/ ㎝
3.
When selecting particle diameter to be the baking quartz sand particle of 0.25 ㎜ ~ 2.0 ㎜, that baking quartz sand particle of the present invention 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
The present embodiment selects that baking quartz sand particle 0.25 ㎜≤particle diameter < 0.5 ㎜ to be 30 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 30 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 20 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 20 ﹪, by weight, add up to 100 ﹪, mixed; By adjustment n-dodecane and No. 15 white oils mass ratio change the refractive index of miscella, make it consistent with the refractive index of toasting quartz sand particle.
Transparent model groove 1 of the present invention, transparent pressure plate 8 are made up of transparent organic glass, Grouting Pipe 5 is made up of transparent organic glass pipe, four sidewalls of Grouting Pipe 5 are evenly arranged 8 ~ 10 grouting holes (the present embodiment is 8), described direct supply 7, voltage is 8V ~ 24V(the present embodiment is 8V), electric current is 6A ~ 20A(the present embodiment is 6A); Described lasing light emitter comprises laser instrument 9, linear transfor device 10, and laser instrument 9 is intracavity helium-neon laser, and power is 50mW ~ 500mW(the present embodiment is 500mW); Pointolite can be converted into linear light sorurce by described converter,linear 10, and the linear light sorurce that linear transfor device 10 changes into can sense of rotation.
Digital camera 6 of the present invention is high definition high-speed digital camera, and its resolution is 50w ~ 500w(the present embodiment is 500w), exposed frame, frame number 25, time shutter 10 μ s ~ 10s(the present embodiment is 10 μ s).
Chemical electric osmose discrete material pile model test method is combined in a kind of slip casting, and it comprises following process:
(1) modeling: make transparent model groove 1, transparent pressure plate 8, the transparent soil of water-soluble of simulation discrete material pile 3, the transparent soil of the molten type of oil of simulation soil around pile 2 respectively according to testing requirements, pre-buried electronic GSZ 4 in the transparent soil of the molten type of oil, and transparent for water-soluble soil is filled at electronic GSZ 4 inner, the discrete material pile 3 centre position built-in slip casting pipe 5 that the transparent soil of water-soluble is formed, transparent model groove 1 top is provided with transparent pressure plate 8;
The transparent soil of water-soluble of the present invention it by cryolite and water formulated, described cryolite is the particle of particle diameter 4.5 ㎜ ~ 5.0 ㎜, and its particle is irregularly shaped, refractive index 1.338 ~ 1.339, density 2.97g/ ㎝
3~ 3.0g/ ㎝
3.
The present embodiment empirically requires to select cryolite particle and water, fills after mixing in electronic GSZ 4, when filling, and centre position built-in slip casting pipe 5.
(2) install: the top of electronic GSZ 4 is connected with the positive and negative electrode of direct supply 7 respectively by wire 6, forms anode, the negative electrode of electronic GSZ 4; During connection, on angular direction, two electrodes are consistent, and as shown in Figure 1, upper and lower two electronic GSZs 4 are connected with the positive pole of direct supply 7, and the electronic GSZ 4 in two, left and right is connected with the negative pole of direct supply 7; In anode, add calcium chloride solution, adding rear solution concentration is 7 ﹪ ~ 15 ﹪ (the present embodiment is 7.5 ﹪), adds sodium silicate solution in negative electrode, and adding rear solution concentration is 15 ﹪ ~ 30 ﹪ (the present embodiment is 15 ﹪); The outer side of transparent model groove 1 and top install lasing light emitter respectively in travel mechanism 13, face of facing outside transparent model groove 1, face of overlooking install the digital camera 11 in observable transparent model groove 1 space respectively in travel mechanism 13, and digital camera 11 is connected with treating apparatus 12 by data line; Open lasing light emitter, check its particle tangent plane lightness formed at transparent inside soil body, adjustment laser angle, makes tangent plane vertical incidence; Open digital camera 11, adjustment digital camera 11 camera lens, can include whole test picture;
Travel mechanism 13 of the present invention comprises the support be arranged on base, and support is provided with can vertically and the slide block that moves horizontally, and described lasing light emitter, digital camera 11 are arranged on slide block respectively; The laser tangent plane of vertical face and surface level is formed by lasing light emitter optional position in transparent model groove 1, and by digital camera 11 record respectively.
Transparent model groove 1 of the present invention, transparent pressure plate 8 are made up of transparent organic glass, Grouting Pipe 5 is made up of transparent organic glass pipe, four sidewalls of Grouting Pipe 5 are evenly arranged 8 ~ 10 grouting holes (the present embodiment is 8), described direct supply 7, voltage is 8 ~ 24V(the present embodiment is 8V), electric current is 6 ~ 20A(the present embodiment is 6A); Described lasing light emitter comprises laser instrument 9, linear transfor device 10, and laser instrument 9 is intracavity helium-neon laser, and power is 50mW ~ 500mW(the present embodiment is 500mW); Pointolite can be converted into linear light sorurce by described converter,linear 10, and the linear light sorurce that linear transfor device 10 changes into can sense of rotation.
Digital camera 6 of the present invention is high definition high-speed digital camera, and its resolution is 50w ~ 500w(the present embodiment is 500w), exposed frame, frame number 25, time shutter 10 μ s ~ 10s(the present embodiment is 10 μ s).
When need obtain simulation saturated sand transparent soil time, the present invention process (1) in, the transparent mount of the oily molten type of described making is drawn together:
Get the raw materials ready: described in get the raw materials ready as selecting particle diameter to be the baking quartz sand particle of 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described baking silica sand refractive index 1.4585, density 20.1g/ ㎝
3; Described pore liquid is the potpourri of n-dodecane and No. 15 white oils, and the mass ratio of adjustment n-dodecane and No. 15 white oils changes the refractive index of miscella, makes it consistent with the refractive index of baking quartz sand particle;
When selecting particle diameter to be the baking quartz sand particle of 0.25 ㎜ ~ 2.0 ㎜, that baking quartz sand particle of the present invention 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
The present embodiment selects that baking quartz sand particle 0.25 ㎜≤particle diameter < 0.5 ㎜ to be 30 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 30 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 20 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 20 ﹪, by weight, add up to 100 ﹪, mixed; By adjustment n-dodecane and No. 15 white oils mass ratio change the refractive index of miscella, make it consistent with the refractive index of toasting quartz sand particle.
Mixture: described mixture is calculate according to the size of test condition and sample the consumption determining to toast quartz sand particle and pore liquid, first the layering of baking quartz sand particle is inserted in transparent model groove, and point hit reality 3 ~ 4 times; Then in transparent model groove, pore liquid is injected;
The present embodiment insert in transparent model groove 1 a certain amount of after, to baking quartz sand particle carry out precompressed; Divide and hit reality 3 times, with the density of Control Assay; Then in transparent model groove 1, inject pore liquid, leave standstill 24 hours;
Vacuumize: described in vacuumize for utilize vacuum extractor extract baking quartz sand particle between bubble, utilize inhale ball pump exceed baking quartz sand particle pore liquid;
(3) test: experimentally design, first switch on power, the hardening agent regularity of distribution being recorded by digital camera 11, observe the water flow process between chemical electric osmose process of the test Anodic, negative electrode and chemical reaction generate, data will be recorded and send into treating apparatus 12 by data line, understand the Changing Pattern of chemical electric osmose at soil around pile; Reversion electrode, continues the test of chemical electric osmose; When negative electrode water discharge is less than 0.1 ㎜
3/ minute time, terminate chemical electric osmose test procedure;
Then, carry out polymer material grouted by Grouting Pipe 5 pairs of discrete material piles 3, described high polymer material is high-molecular organic material, for two component polyurathamc is the non-aqueous reaction class high polymer material of representative.The body formation of understanding grouting pile and slurries, at the Changing Pattern of soil around pile, complete the visible model testing process that chemical electric osmose discrete material pile is combined in slip casting.
Described laser instrument 9 and linear transfor device 10 can in travel mechanism 13 vertically or move horizontally, make lasing light emitter can form the vertical face of transparent model groove 1 or the laser tangent plane of surface level in the optional position of transparent model groove 1.
When laser irradiate transparent model groove 1 form the laser tangent plane of the vertical face of transparent model groove 1 time, by digital camera 11 record being arranged on transparent model groove 1 and facing face; When laser irradiate transparent model groove 1 form the laser tangent plane of the surface level of transparent model groove 1 time, by digital camera 11 record being arranged on transparent model groove 1 and overlooking face.
In test, the picture information utilizing PIV technology (ParticleImageVelocimetry particle image velocimetry method) combining image process software PIVview2C logarithmic code camera 11 to gather processes.
Embodiment 2:
When obtaining the transparent soil of simulation saturated clay, when getting the raw materials ready, selection particle diameter is the baking quartz sand particle of≤0.074 ㎜;
During mixture, first deployed pore liquid is contained in transparent model groove 1, and baking quartz sand particle is poured in transparent model groove 1 slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep baking quartz sand particle all the time below pore liquid liquid level;
When middle selection particle diameter of getting the raw materials ready is the baking quartz sand particle of≤0.074 ㎜, in consolidometer, carry out consolidation after vacuumizing, degree of consolidation OCR value 0.8 ~ 3.
The present embodiment degree of consolidation OCR value 0.8;
Remaining with embodiment 1.
Embodiment 3:
When getting the raw materials ready, that select baking quartz sand particle 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 40 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 35 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 15 ﹪, by weight, add up to 100 ﹪, mixed;
During mixture, its packing of Control Assay is 40 ﹪.
Remaining with embodiment 1.
Embodiment 4:
The transparent soil of the molten type of oil of the present invention by transparent solid material and colourless pore liquid formulated, described transparent solid material is perfluor cyclic polymer, and described colourless pore liquid is the potpourri of n-dodecane and No. 15 white oils; Described perfluor cyclic polymer is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, and its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝
3, transmittance 95 ﹪, water absorptivity < 0.01 ﹪.
When selecting particle diameter to be the perfluor cyclic polymerization composition granule of 0.25 ㎜ ~ 2.0 ㎜, that perfluor cyclic polymerization composition granule of the present invention 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
The present embodiment selects that perfluor cyclic polymerization composition granule 0.25 ㎜≤particle diameter < 0.5 ㎜ to be 30 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 30 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 20 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 20 ﹪, by weight, add up to 100 ﹪, mixed; By adjustment n-dodecane and No. 15 white oils mass ratio change the refractive index of miscella, make it consistent with the refractive index of perfluor cyclic polymerization composition granule.
When need obtain simulation saturated sand transparent soil time, the present invention process (1) in, the transparent mount of the oily molten type of described making is drawn together:
Get the raw materials ready: described in get the raw materials ready as selecting particle diameter to be the perfluor cyclic polymerization composition granule of 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described perfluor cyclic polymer refractive index 1.34, density 2.03g/ ㎝
3, transmittance 95 ﹪, water absorptivity < 0.01 ﹪; Described pore liquid is the potpourri of n-dodecane and No. 15 white oils, and the mass ratio of adjustment n-dodecane and No. 15 white oils changes the refractive index of miscella, makes it consistent with the refractive index of perfluor cyclic polymerization composition granule;
When selecting particle diameter to be the perfluor cyclic polymerization composition granule of 0.25 ㎜ ~ 2.0 ㎜, that perfluor cyclic polymerization composition granule of the present invention 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
The present embodiment selects that perfluor cyclic polymerization composition granule 0.25 ㎜≤particle diameter < 0.5 ㎜ to be 30 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 30 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 20 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 20 ﹪, by weight, add up to 100 ﹪, mixed; By adjustment n-dodecane and No. 15 white oils mass ratio change the refractive index of miscella, make it consistent with the refractive index of perfluor cyclic polymerization composition granule.
Mixture: described mixture is calculate according to the size of test condition and sample the consumption determining perfluor cyclic polymer and pore liquid, first the layering of perfluor cyclic polymerization composition granule is inserted in transparent model groove, and point hit reality 3 ~ 4 times; Then in transparent model groove, pore liquid is injected;
The present embodiment insert in transparent model groove 1 a certain amount of after, precompressed is carried out to perfluor cyclic polymerization composition granule; Divide and hit reality 3 times, with the density of Control Assay; Then in transparent model groove 1, inject pore liquid, leave standstill 24 hours;
Describedly to vacuumize as utilizing vacuum extractor to extract bubble between perfluor cyclic polymerization composition granule, utilizing and inhaling ball and pump the pore liquid exceeding perfluor cyclic polymerization composition granule;
Remaining with embodiment 1.
Embodiment 5:
When obtaining the transparent soil of simulation saturated clay, when getting the raw materials ready, selection particle diameter is the perfluor cyclic polymerization composition granule of≤0.074 ㎜;
During mixture, first deployed pore liquid is contained in transparent model groove 1, and perfluor cyclic polymerization composition granule is poured in transparent model groove 1 slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep perfluor cyclic polymerization composition granule all the time below pore liquid liquid level;
When middle selection particle diameter of getting the raw materials ready is the perfluor cyclic polymerization composition granule of≤0.074 ㎜, in consolidometer, carry out consolidation after vacuumizing, degree of consolidation OCR value 0.8 ~ 3.
The present embodiment degree of consolidation OCR value 1.0;
Remaining with embodiment 1.
Embodiment 6:
When getting the raw materials ready, that select perfluor cyclic polymerization composition granule 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 40 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 35 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 15 ﹪, by weight, add up to 100 ﹪, mixed;
During mixture, its packing of Control Assay is 40 ﹪.
Remaining with embodiment 1.
Embodiment 7:
The transparent soil of the molten type of oil of the present invention by transparent solid material and colourless pore liquid formulated, described transparent solid material is calcium fluoride, and described colourless pore liquid is the potpourri of n-dodecane and No. 15 white oils; Described calcium fluoride is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, and its particle is irregularly shaped, refractive index 1.434, density 3.18g/ ㎝
3.
When selecting particle diameter to be the calcium fluoride particles of 0.25 ㎜ ~ 2.0 ㎜, that calcium fluoride particles 0.25 ㎜ of the present invention≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
The present embodiment selects that calcium fluoride particles 0.25 ㎜≤particle diameter < 0.5 ㎜ to be 30 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 30 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 20 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 20 ﹪, by weight, add up to 100 ﹪, mixed; By adjustment n-dodecane and No. 15 white oils mass ratio change the refractive index of miscella, make it consistent with the refractive index of calcium fluoride particles.
When need obtain simulation saturated sand transparent soil time, the present invention process (1) in, the transparent mount of the oily molten type of described making is drawn together:
Get the raw materials ready: described in get the raw materials ready as selecting particle diameter to be the calcium fluoride particles of 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described calcium fluoride refractive index 1.434, density 3.18g/ ㎝
3; Described pore liquid is the potpourri of n-dodecane and No. 15 white oils, and the mass ratio of adjustment n-dodecane and No. 15 white oils changes the refractive index of miscella, makes it consistent with the refractive index of calcium fluoride particles;
When selecting particle diameter to be the calcium fluoride particles of 0.25 ㎜ ~ 2.0 ㎜, that calcium fluoride particles 0.25 ㎜ of the present invention≤particle diameter < 0.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 10 ﹪ ~ 50 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 10 ﹪ ~ 50 ﹪, by weight, 100 ﹪ are added up to.
The present embodiment selects that calcium fluoride particles 0.25 ㎜≤particle diameter < 0.5 ㎜ to be 30 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 30 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 20 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 20 ﹪, by weight, add up to 100 ﹪, mixed; By adjustment n-dodecane and No. 15 white oils mass ratio change the refractive index of miscella, make it consistent with the refractive index of calcium fluoride particles.
Mixture: described mixture is calculate according to the size of test condition and sample the consumption determining calcium fluoride and pore liquid, first calcium fluoride particles layering is inserted in transparent model groove, and point hit reality 3 ~ 4 times; Then in transparent model groove, pore liquid is injected;
The present embodiment insert in transparent model groove 1 a certain amount of after, precompressed is carried out to calcium fluoride particles; Divide and hit reality 3 times, with the density of Control Assay; Then in transparent model groove 1, inject pore liquid, leave standstill 24 hours;
Vacuumize: described in vacuumize as utilizing vacuum extractor to extract bubble between calcium fluoride particles, utilize and inhale ball and pump the pore liquid exceeding calcium fluoride particles;
Remaining with embodiment 1.
Embodiment 8:
When obtaining the transparent soil of simulation saturated clay, when getting the raw materials ready, selection particle diameter is the calcium fluoride particles of≤0.074 ㎜;
During mixture, first deployed pore liquid is contained in transparent model groove 1, and calcium fluoride particles is poured in transparent model groove 1 slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep calcium fluoride particles all the time below pore liquid liquid level;
When middle selection particle diameter of getting the raw materials ready is the calcium fluoride particles of≤0.074 ㎜, in consolidometer, carry out consolidation after vacuumizing, degree of consolidation OCR value 0.8 ~ 3.
The present embodiment degree of consolidation OCR value 1.5;
Remaining with embodiment 1.
Embodiment 9:
When getting the raw materials ready, that select calcium fluoride particles 0.25 ㎜≤particle diameter < 0.5 ㎜ is 20 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 30 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 30 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 20 ﹪, by weight, add up to 100 ﹪, mixed;
During mixture, its packing of Control Assay is 50 ﹪.
Remaining with embodiment 1.
Claims (10)
1. chemical electric osmose discrete material pile model test apparatus is combined in a slip casting, it is characterized in that it comprises transparent model groove, transparent model groove top is provided with transparent pressure plate, discrete material pile is provided with in groove, pre-buried electronic GSZ outside discrete material pile, the top of electronic GSZ is connected with the positive and negative electrode of direct supply respectively by wire, pile body inner hub location built-in slip casting pipe; Described discrete material pile is intended by the transparent clay model of water-soluble, and soil around pile is intended by the transparent clay model of the molten type of oil; The outer side of transparent model groove and top are provided with the lasing light emitter be arranged in travel mechanism, face of facing outside transparent model groove, the face of overlooking are provided with the digital camera being arranged on observable transparent model slot space in travel mechanism, and digital camera is connected with treating apparatus by data line; Laser irradiates transparent model groove and forms the vertical face of transparent model groove and the laser tangent plane of surface level, records pile peripheral earth speckle field and transparency respectively by digital camera, understands chemical electric osmose, the formation of grouting pile body and the slurries Changing Pattern at soil around pile; The transparent soil of described water-soluble it by cryolite and water formulated, the transparent soil of the molten type of described oil by transparent solid material and colourless pore liquid formulated, described transparent solid material is baking silica sand or perfluor cyclic polymer or calcium fluoride, and described colourless pore liquid is the potpourri of n-dodecane and No. 15 white oils.
2. chemical electric osmose discrete material pile model test apparatus is combined in slip casting according to claim 1, it is characterized in that described travel mechanism comprises the support be arranged on base, support is provided with can vertically and the slide block that moves horizontally, and described lasing light emitter, digital camera are arranged on slide block respectively; The laser tangent plane of vertical face and surface level is formed by lasing light emitter optional position in transparent model groove, and by digital camera record respectively.
3. chemical electric osmose discrete material pile model test apparatus is combined in slip casting according to claim 1 and 2, and it is characterized in that described cryolite is the particle of particle diameter 4.5 ㎜ ~ 5.0 ㎜, its particle is irregularly shaped, refractive index 1.338 ~ 1.339, density 2.97g/ ㎝
3~ 3.0g/ ㎝
3.
4. chemical electric osmose discrete material pile model test apparatus is combined in slip casting according to claim 1 and 2, it is characterized in that described baking silica sand is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, refractive index 1.4585, density 20.1g/ ㎝
3.
5. chemical electric osmose discrete material pile model test apparatus is combined in slip casting according to claim 1 and 2, it is characterized in that described perfluor cyclic polymer is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝
3, transmittance 95 ﹪, water absorptivity < 0.01 ﹪.
6. chemical electric osmose discrete material pile model test apparatus is combined in slip casting according to claim 1 and 2, it is characterized in that described calcium fluoride is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, refractive index 1.434, density 3.18g/ ㎝
3.
7. a chemical electric osmose discrete material pile model test method is combined in slip casting, it is characterized in that it comprises following process:
(1) modeling: make transparent model groove, transparent pressure plate, the transparent soil of water-soluble of simulation discrete material pile, the transparent soil of the molten type of oil of simulation soil around pile respectively according to testing requirements, the transparent soil of the molten type of described oil by transparent solid material and colourless pore liquid formulated, pre-buried electronic GSZ in the transparent soil of the molten type of oil, and transparent for water-soluble soil is filled at electronic GSZ inner, the discrete material pile centre position built-in slip casting pipe that the transparent soil of water-soluble is formed, transparent model groove top is provided with transparent pressure plate;
(2) install: the top of electronic GSZ is connected with the positive and negative electrode of direct supply respectively by wire, forms the anode of electronic GSZ, negative electrode; In anode, add calcium chloride solution, solution concentration is 7 ﹪ ~ 15 ﹪, adds sodium silicate solution in negative electrode, and solution concentration is 15 ﹪ ~ 30 ﹪; The outer side of transparent model groove and top install lasing light emitter respectively in travel mechanism, face of facing outside transparent model groove, face of overlooking install the digital camera of observable transparent model slot space respectively in travel mechanism, and digital camera is connected with treating apparatus by data line; Open lasing light emitter, check its particle tangent plane lightness formed at transparent inside soil body, adjustment laser angle, makes tangent plane vertical incidence; Open digital camera, adjustment digital camera lens, can include whole test picture;
(3) test: experimentally design, first switch on power, by digital camera record, the hardening agent regularity of distribution of observing water flow process between chemical electric osmose process of the test Anodic, negative electrode and chemical reaction generate, record data are sent into treating apparatus by data line, understands the Changing Pattern of chemical electric osmose at soil around pile; Reversion electrode, continues the test of chemical electric osmose; When negative electrode water discharge is less than 0.1 ㎜
3/ minute time, terminate chemical electric osmose test procedure;
Then, carry out polymer material grouted by Grouting Pipe to discrete material pile, the body formation of understanding grouting pile and slurries, at the Changing Pattern of soil around pile, complete the visible model testing process that chemical electric osmose discrete material pile is combined in slip casting.
8. chemical electric osmose discrete material pile model test method is combined in slip casting according to claim 7, it is characterized in that process (1) in, the transparent mount of the oily molten type of described making is drawn together:
Get the raw materials ready: described in get the raw materials ready as selecting particle diameter to be the baking quartz sand particle of 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described baking silica sand refractive index 1.4585, density 20.1g/ ㎝
3; Described pore liquid is the potpourri of n-dodecane and No. 15 white oils, and the mass ratio of adjustment n-dodecane and No. 15 white oils changes the refractive index of miscella, makes it consistent with the refractive index of baking quartz sand particle;
Mixture: described mixture is calculate according to the size of test condition and sample the consumption determining to toast quartz sand particle and pore liquid, first the layering of baking quartz sand particle is inserted in transparent model groove, and point hit reality 3 ~ 4 times; Then in transparent model groove, pore liquid is injected;
Or first deployed pore liquid is contained in transparent model groove, and baking quartz sand particle is poured in transparent model groove slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep baking quartz sand particle all the time below pore liquid liquid level;
Vacuumize: described in vacuumize for utilize vacuum extractor extract baking quartz sand particle between bubble, utilize inhale ball pump exceed baking quartz sand particle pore liquid;
When middle selection particle diameter of getting the raw materials ready is the baking quartz sand particle of≤0.074 ㎜, in consolidometer, carry out consolidation after vacuumizing, degree of consolidation OCR value 0.8 ~ 3.
9. chemical electric osmose discrete material pile model test method is combined in slip casting according to claim 7, it is characterized in that process (1) in, the transparent mount of the oily molten type of described making is drawn together:
Get the raw materials ready: described in get the raw materials ready as selecting particle diameter to be the perfluor cyclic polymerization composition granule of 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described perfluor cyclic polymer refractive index 1.34, density 2.03g/ ㎝
3, transmittance 95 ﹪, water absorptivity < 0.01 ﹪; Described pore liquid is the potpourri of n-dodecane and No. 15 white oils, and the mass ratio of adjustment n-dodecane and No. 15 white oils changes the refractive index of miscella, makes it consistent with the refractive index of perfluor cyclic polymerization composition granule;
Mixture: described mixture is calculate according to the size of test condition and sample the consumption determining perfluor cyclic polymer and pore liquid, first the layering of perfluor cyclic polymerization composition granule is inserted in transparent model groove, and point hit reality 3 ~ 4 times; Then in transparent model groove, pore liquid is injected;
Or first deployed pore liquid is contained in transparent model groove, and perfluor cyclic polymerization composition granule is poured in transparent model groove slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep perfluor cyclic polymerization composition granule all the time below pore liquid liquid level;
Describedly to vacuumize as utilizing vacuum extractor to extract bubble between perfluor cyclic polymerization composition granule, utilizing and inhaling ball and pump the pore liquid exceeding perfluor cyclic polymerization composition granule;
When middle selection particle diameter of getting the raw materials ready is the perfluor cyclic polymerization composition granule of≤0.074 ㎜, in consolidometer, carry out consolidation after vacuumizing, degree of consolidation OCR value 0.8 ~ 3.
10. chemical electric osmose discrete material pile model test method is combined in slip casting according to claim 7, it is characterized in that process (1) in, the transparent mount of the oily molten type of described making is drawn together:
Get the raw materials ready: described in get the raw materials ready as selecting particle diameter to be the calcium fluoride particles of 0.25 ㎜ ~ 2.0 ㎜ or≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described calcium fluoride refractive index 1.434, density 3.18g/ ㎝
3; Described pore liquid is the potpourri of n-dodecane and No. 15 white oils, and the mass ratio of adjustment n-dodecane and No. 15 white oils changes the refractive index of miscella, makes it consistent with the refractive index of calcium fluoride particles;
Mixture: described mixture is calculate according to the size of test condition and sample the consumption determining calcium fluoride and pore liquid, first calcium fluoride particles layering is inserted in transparent model groove, and point hit reality 3 ~ 4 times; Then in transparent model groove, pore liquid is injected;
Or first deployed pore liquid is contained in transparent model groove, and calcium fluoride particles is poured in transparent model groove slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep calcium fluoride particles all the time below pore liquid liquid level;
Vacuumize: described in vacuumize as utilizing vacuum extractor to extract bubble between calcium fluoride particles, utilize and inhale ball and pump the pore liquid exceeding calcium fluoride particles;
When middle selection particle diameter of getting the raw materials ready is the calcium fluoride particles of≤0.074 ㎜, in consolidometer, carry out consolidation after vacuumizing, degree of consolidation OCR value 0.8 ~ 3.
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