CN103938661B - Vibration sinking tube compacted model test of pile device and test method - Google Patents

Vibration sinking tube compacted model test of pile device and test method Download PDF

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CN103938661B
CN103938661B CN201410177576.5A CN201410177576A CN103938661B CN 103938661 B CN103938661 B CN 103938661B CN 201410177576 A CN201410177576 A CN 201410177576A CN 103938661 B CN103938661 B CN 103938661B
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soil
model groove
pore liquid
particle diameter
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CN103938661A (en
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孔纲强
曹兆虎
曹国辉
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Hunan City University
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Abstract

The invention discloses the sinking tube compacted model test of pile device of a kind of visual vibrating and test method, it is characterized in that it comprises see-through model groove, the immersed tube of the transparent soil of simulation soil around pile, band shoe is provided with in see-through model groove, immersed tube center is provided with Grouting Pipe, is provided with rack-mount pile sinking mechanism above see-through model groove; The outer side of see-through model groove is provided with lasing light emitter, and the face of facing outside see-through model groove, the face of overlooking are provided with the digital camera of observable see-through model slot space, and digital camera is connected with treating apparatus by data wire; Experimental rig of the present invention is easy and simple to handle, repeatable strong; Transparent soil and the similitude of natural soil soil mass property of preparation are good; Test method can the soil compaction effect of visual inspection and the vibration sinking tube compacted stake of measuring in piles with different week soil strength variation, immersed tube cross-sectional form, stake footpath and the long situation of stake; Significant on instructing vibrator sunk pile bore forming to affect design and construction to around construction.

Description

Vibration sinking tube compacted model test of pile device and test method
Technical field
The present invention relates to a kind of model testing of building pile foundation, specifically a kind of vibration sinking tube compacted model test of pile device and test method, particularly relate to the sinking tube compacted model test of pile device of a kind of visual vibrating and test method.
Background technology
Compaction pile is the compacted soil layer formation hole that the steel pipe with pipe close, valve or conehead is pressed into or is driven underground, then in hole, throw in the stake of the filler such as dirt, sandstone one-tenth.Compaction pile as the stake of soil compaction type, in work progress between adjacent foundation pile and foundation pile on around the impact of construction be one of Important Problems of paying close attention to of numerous engineers and technicians always.
In model testing 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.Utilize X-ray, gamma-radiation, Computerized chromatographic scanning (cat scan) and mr imaging technique (MRI) although can be used for measuring the continuous modification of inside soil body, the expense of costliness limits the extensive use of these technology.
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 light transmittance is 95 ﹪, and unit weight is 2.03g/ ㎝ 3, water imbibition < 0.01 ﹪, linear expansion coeffcient 7.4 × 10 ~ 5 ㎝/㎝/ DEG C.Be mainly used in the diaphragm coating in semiconductor manufacturing, the aspects such as communication optical fiber.
Ice crystal (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, birefringence 0.001, positive photosensitiveness, dispersion values 0.024, glassy lustre is to greasy luster, transparent, colourless, white, brown or redness, originate in and invade in gneissose granite and pegmatite dike, the main place of production is Greenland, the method Prof. Du Yucang such as available hydrogen fluoride, fluosilicic 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 application life and memory time; The flux of ferroalloy and boiling steel, non-ferrous metal flux, the deoxidier of casting, polymerization of olefins catalyzer, and for glass antireflective coating, the emulsifier of enamel, the opalizer of glass, the filler of the flux ceramics of wlding, the agrochemical industry and enterprise of agricultural chemicals.
Calcirm-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 inorganic 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 calcirm-fluoride, can obtain through refining.Laboratory is generally with calcium carbonate and hydrofluoric acid effect or repeatedly process Fluorspar Powder with concentrated hydrochloric acid and hydrofluoric acid and prepare calcirm-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 perfluor cyclic polymerization composition granule, ice crystal particle, 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 soil 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 the sinking tube compacted model test of pile device of a kind of visual vibrating and test method, with the soil compaction effect of visual inspection with the vibration sinking tube compacted stake of measuring in piles with different week soil strength variation, immersed tube cross-sectional form, stake footpath and the long situation of stake, complete the model testing of the sinking tube compacted stake of body vibration.
The present invention adopts following technical scheme to realize its goal of the invention, a kind of vibration sinking tube compacted model test of pile device, it comprises see-through model groove, the immersed tube of the transparent soil of simulation soil around pile, band shoe is provided with in see-through model groove, immersed tube center is provided with Grouting Pipe, is provided with rack-mount pile sinking mechanism above see-through model groove; The outer side of see-through model groove is provided with lasing light emitter, and the face of facing outside see-through model groove, the face of overlooking are provided with the digital camera of observable see-through model slot space, and digital camera is connected with treating apparatus by data wire; Laser irradiates see-through model groove and forms the vertical face of see-through model groove or the laser tangent plane of horizontal plane, changed and continuous modification feature by the speckle field of digital camera record pile peripheral earth inside, analyze the soil compaction effect of the vibration sinking tube compacted stake in piles with different week soil strength variation, immersed tube cross-sectional form, stake footpath and the long situation of stake, complete the model testing of the sinking tube compacted stake of body vibration.
The cross section of immersed tube of the present invention is hollow circle or rectangle or X-shaped.
See-through model groove of the present invention, immersed tube, shoe, Grouting Pipe are made by transparent organic glass, and shoe is flexibly connected with bottom immersed tube, and during immersed tube, shoe closes, and when above pulling out immersed tube, shoe is opened automatically.
When the transparent soil of simulation saturated sand need be obtained, transparent soil of the present invention it by the colourless pore liquid of perfluor cyclic polymer and identical refractive index through getting the raw materials ready, mixture, vacuum step be formulated, described perfluor cyclic polymer is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; The physical characteristic of described transparent soil is: density 1.53g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 15kN/m 3~ 20kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 30 ° ~ 31 °, modulus of elasticity 8MPa ~ 50MPa, poisson's ratio 0.2 ~ 0.45; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution.
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.
When the transparent soil of simulation saturated clay need be obtained, transparent soil of the present invention it by the colourless pore liquid of perfluor cyclic polymer and identical refractive index through getting the raw materials ready, mixture, vacuumize, consolidation step is formulated, described perfluor cyclic polymer is the particle of particle diameter≤0.074 ㎜, its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; The physical characteristic of described transparent soil is: density 1.63g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 16kN/m 3~ 20kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 19 ° ~ 22 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution.
When the transparent soil of simulation saturated sand need be obtained, transparent soil of the present invention it by the colourless pore liquid of ice crystal and identical refractive index through getting the raw materials ready, mixture, vacuum step be formulated, described ice crystal is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, refractive index 1.338 ~ 1.339, density 2.97g/ ㎝ 3~ 3.0g/ ㎝ 3; The physical characteristic of described transparent soil is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 19kN/m 3~ 25kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 34 ° ~ 35 °, modulus of elasticity 12MPa ~ 71MPa, poisson's ratio 0.2 ~ 0.45; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution.
That ice crystal 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.
When the transparent soil of simulation saturated clay need be obtained, transparent soil of the present invention it by the colourless pore liquid of ice crystal and identical refractive index through getting the raw materials ready, mixture, vacuumize, consolidation step is formulated, described ice crystal is the particle of particle diameter≤0.074 ㎜, its particle is irregularly shaped, refractive index 1.338 ~ 1.339, density 2.97g/ ㎝ 3~ 3.0g/ ㎝ 3; The physical characteristic of described transparent soil is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 20kN/m 3~ 26kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 22 ° ~ 26 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution.
When the transparent soil of simulation saturated sand need be obtained, transparent soil of the present invention it by the colourless pore liquid of calcirm-fluoride and identical refractive index through getting the raw materials ready, mixture, vacuum step be formulated, described calcirm-fluoride is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, refractive index 1.434, density 3.18g/ ㎝ 3; The physical characteristic of described transparent soil is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 19kN/m 3~ 25kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 34 ° ~ 35 °, modulus of elasticity 12MPa ~ 71MPa, poisson's ratio 0.2 ~ 0.45; Described pore liquid is the one in sugar juice or sodium chloride solution or calcium bromide solution.
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;
When the transparent soil of simulation saturated clay need be obtained, transparent soil of the present invention it by the colourless pore liquid of calcirm-fluoride and identical refractive index through getting the raw materials ready, mixture, vacuumize, consolidation step is formulated, described calcirm-fluoride is the particle of particle diameter≤0.074 ㎜, its particle is irregularly shaped, refractive index 1.434, density 3.18g/ ㎝ 3; The physical characteristic of described transparent soil is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 20kN/m 3~ 26kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 22 ° ~ 26 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35; Described pore liquid is the one in the mixture of sugar juice or sodium chloride solution or calcium bromide solution or n-dodecane and glycerine.
A kind of vibration sinking tube compacted model test of pile method, it comprises following process:
(1) modeling: make see-through model groove, the transparent soil of simulating soil around pile, Grouting Pipe respectively according to test requirements document and be with the immersed tube of shoe; Described see-through model groove, immersed tube, shoe, Grouting Pipe are made by transparent organic glass, and the cross section of described immersed tube is hollow circle or rectangle or X-shaped, and shoe is flexibly connected with bottom immersed tube, and during immersed tube, shoe closes, and when above pulling out immersed tube, shoe is opened automatically;
(2) install: on support, install pile sinking mechanism, the outer side of see-through model groove installs lasing light emitter, and digital camera is installed respectively in the face of facing outside see-through model groove, face of overlooking, and digital camera is connected with treating apparatus by data wire; Open lasing light emitter, check its particle tangent plane lightness formed at transparent inside soil body, adjustment laser angle, makes tangent plane vertical incidence, opens digital camera, and adjustment digital camera lens, can include whole test picture;
(3) test: according to experimental design requirement, immersed tube is connected with vibrating hammer by flange, according to pile settlement rate and the vibration frequency of design, complete vibration sinking tube construction to projected depth; Laser irradiates see-through model groove and forms tangent plane, by digital camera record soil internal displacement rule;
Then, unload lower flange, arrange Grouting Pipe in immersed tube center, and after filler is filled in immersed tube inside, then reinstall flange, vibration is pulled out immersed tube and extract ground surface completely to immersed tube and shoe, meanwhile, supplemented by immersed tube upper feed inlet and fill filler; Laser irradiates see-through model groove and forms tangent plane, by digital camera record soil internal displacement rule;
Then, carry out mortar depositing construction by slurry casting machine to Grouting Pipe, laser irradiates see-through model groove and forms tangent plane, by the form of digital camera record soil internal displacement rule and slip casting pile body;
Repetitive process (1) ~ process (3), analyze the soil compaction effect of the vibration sinking tube compacted stake in piles with different week soil strength variation, immersed tube cross-sectional form, stake footpath and the long situation of stake by treating apparatus, complete the model testing of the sinking tube compacted stake of body vibration.
When need obtain simulation saturated sand transparent soil time, the present invention process (1) in, described make simulation soil around pile transparent mount draw together get the raw materials ready, mixture, vacuum step:
Describedly get the raw materials ready as selecting particle diameter to be the perfluor cyclic polymerization composition granule of 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described perfluor cyclic polymer refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of perfluor cyclic polymer; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution;
That described perfluor cyclic polymerization composition granule 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;
Described mixture is calculate according to the size of test conditions and sample the consumption determining perfluor cyclic polymerization composition granule and pore liquid, first the layering of perfluor cyclic polymerization composition granule is inserted in see-through model groove, and point hits reality 3 ~ 4 times; Then in see-through model groove, pore liquid is injected;
Or first deployed pore liquid is contained in see-through model groove, and perfluor cyclic polymerization composition granule is poured in see-through 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 vacuumize as utilizing vacuum extractor to extract bubble between perfluor cyclic polymerization composition granule, utilize and inhale ball and pump the pore liquid exceeding perfluor cyclic polymerization composition granule, the transparent soil of obtained simulation saturated sand, its physical characteristic is: density 1.53g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 15kN/m 3~ 20kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 30 ° ~ 31 °, modulus of elasticity 8MPa ~ 50MPa, poisson's ratio 0.2 ~ 0.45.
When need obtain simulation saturated clay transparent soil time, process (1) in, described make simulation soil around pile transparent mount draw together get the raw materials ready, mixture, vacuumize, consolidation step:
Described perfluor cyclic polymerization composition granule of getting the raw materials ready as selecting particle diameter≤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, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of perfluor cyclic polymer; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution;
Described mixture is calculate according to the size of test conditions and sample the consumption determining perfluor cyclic polymerization composition granule and pore liquid, first the layering of perfluor cyclic polymerization composition granule is inserted in see-through model groove, and point hits reality 3 ~ 4 times; Then in see-through model groove, pore liquid is injected;
Or first deployed pore liquid is contained in see-through model groove, and perfluor cyclic polymerization composition granule is poured in see-through 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;
Described consolidation for carry out consolidation in consolidometer, and obtained transparent solid material is perfluor cyclic polymerization composition granule, and the transparent soil of simulation saturated clay, its physical characteristic is: density 1.63g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 16kN/m 3~ 20kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 19 ° ~ 22 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35.
When need obtain simulation saturated sand transparent soil time, the present invention process (1) in, described make simulation soil around pile transparent mount draw together get the raw materials ready, mixture, vacuum step:
Described ice crystal particle of getting the raw materials ready as selecting particle diameter 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described ice crystal refractive index 1.338 ~ 1.339, density 2.97g/ ㎝ 3~ 3.0g/ ㎝ 3; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of ice crystal; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution;
That described ice crystal particle 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;
Described mixture is calculate according to the size of test conditions and sample the consumption determining ice crystal particle and pore liquid, first the layering of ice crystal particle is inserted in see-through model groove, and point hits reality 3 ~ 4 times; Then in see-through model groove, pore liquid is injected;
Or first by deployed pore liquid dress in a reservoir, and ice crystal particle is poured in container slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep ice crystal particle all the time below pore liquid liquid level;
Describedly vacuumize as utilizing vacuum extractor to extract bubble between ice crystal particle, utilize and inhale ball and pump the pore liquid exceeding ice crystal particle, the transparent soil of obtained simulation saturated sand, its physical characteristic is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 19kN/m 3~ 25kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 34 ° ~ 35 °, modulus of elasticity 12MPa ~ 71MPa, poisson's ratio 0.2 ~ 0.45.
When need obtain simulation saturated clay transparent soil time, process (1) in, described make simulation soil around pile transparent mount draw together get the raw materials ready, mixture, vacuumize, consolidation step:
Described ice crystal particle of getting the raw materials ready as selecting particle diameter≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described ice crystal refractive index 1.338 ~ 1.339, density 2.97g/ ㎝ 3~ 3.0g/ ㎝ 3; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of ice crystal; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution;
Described mixture is calculate according to the size of test conditions and sample the consumption determining ice crystal particle and pore liquid, first the layering of ice crystal particle is inserted in see-through model groove, and point hits reality 3 ~ 4 times; Then in see-through model groove, pore liquid is injected;
Or first deployed pore liquid is contained in see-through model groove, and ice crystal particle is poured in see-through model groove slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep ice crystal particle all the time below pore liquid liquid level;
Describedly to vacuumize as utilizing vacuum extractor to extract bubble between ice crystal particle, utilizing and inhaling ball and pump the pore liquid exceeding ice crystal particle;
Described consolidation for carry out consolidation in consolidometer, and the transparent soil of obtained simulation saturated clay, its physical characteristic is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 20kN/m 3~ 26kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 22 ° ~ 26 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35.
When need obtain simulation saturated sand transparent soil time, the present invention process (1) in, described make simulation soil around pile transparent mount draw together get the raw materials ready, mixture, vacuum step:
Describedly get the raw materials ready as selecting particle diameter to be the calcium fluoride particles of 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described calcirm-fluoride refractive index 1.434, density 3.18g/ ㎝ 3; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of calcirm-fluoride; Described pore liquid is the one in sugar juice or sodium chloride solution or calcium bromide solution;
That described calcium fluoride particles 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;
Described mixture is calculate according to the size of test conditions and sample the consumption determining calcium fluoride particles and pore liquid, first calcium fluoride particles layering is inserted in see-through model groove, and point hits reality 3 ~ 4 times; Then in see-through model groove, pore liquid is injected;
Or first by deployed pore liquid dress in a reservoir, and calcium fluoride particles is poured in container slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep calcium fluoride particles all the time below pore liquid liquid level;
Describedly 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, the transparent soil of obtained simulation saturated sand, its physical characteristic is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 19kN/m 3~ 25kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 34 ° ~ 35 °, modulus of elasticity 12MPa ~ 71MPa, poisson's ratio 0.2 ~ 0.45.
When need obtain simulation saturated clay transparent soil time, process (1) in, described make simulation soil around pile transparent mount draw together get the raw materials ready, mixture, vacuumize, consolidation step:
Described calcium fluoride particles of getting the raw materials ready as selecting particle diameter≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described calcirm-fluoride refractive index 1.434, light transmittance 95 ﹪, unit weight 3.18g/ ㎝ 3; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of calcirm-fluoride; Described pore liquid is the one in the mixture of sugar juice or sodium chloride solution or calcium bromide solution or n-dodecane and glycerine;
Described mixture is calculate according to the size of test conditions and sample the consumption determining calcium fluoride particles and pore liquid, first calcium fluoride particles layering is inserted in see-through model groove, and point hits reality 3 ~ 4 times; Then in see-through model groove, pore liquid is injected;
Or first by deployed pore liquid dress in a reservoir, and calcium fluoride particles is poured in container slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep calcium fluoride particles all the time below pore liquid liquid level;
Describedly to vacuumize as utilizing vacuum extractor to extract bubble between calcium fluoride particles, utilizing and inhaling ball and pump the pore liquid exceeding calcium fluoride particles;
Described consolidation for carry out consolidation in consolidometer, and the transparent soil of obtained simulation saturated clay, its physical characteristic is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 20kN/m 3~ 26kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 22 ° ~ 26 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35.
Process of the present invention (3) in, described fills the perfluor cyclic polymerization composition granule that filler is particle diameter 4.5 ㎜ ~ 5.0 ㎜, and its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪.
The present invention process (3) in, described fills the ice crystal particle that filler is 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 invention process (3) in, described fills the calcium fluoride particles that filler is particle diameter 4.5 ㎜ ~ 5.0 ㎜, and its particle is irregularly shaped, refractive index 1.434, density 3.18g/ ㎝ 3.
Owing to adopting technique scheme, the present invention achieves goal of the invention preferably, and test method is feasible, and the transparent native transparency of preparation is high, good with the similitude of natural soil soil mass property; Experimental rig is easy and simple to handle, is easy to realize, repeatable strong; Can be used to the geological conditions of Simulation of Complex, improve people to the understanding of geotechnical engineering problems essence, particularly for exploring the soil compaction effect of vibration sinking tube compacted stake, instructing vibrator sunk pile bore forming to affect design and construction to around construction significant.
Accompanying drawing explanation
Fig. 1 is the structural representation of experimental rig of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment 1:(transparent solid material is perfluor cyclic polymer)
As shown in Figure 1, a kind of vibration sinking tube compacted model test of pile device, it comprises see-through model groove 1, is provided with the immersed tube 3 of the transparent soil of simulation soil around pile 2, band shoe 4 in see-through model groove 1, immersed tube 3 center is provided with Grouting Pipe 5, is provided with the pile sinking mechanism be arranged on support 13 above see-through model groove 1; The outer side of see-through model groove 1 is provided with lasing light emitter, and the face of facing outside see-through model groove 1, the face of overlooking are provided with the digital camera 11 in observable see-through model groove 1 space, and digital camera 11 is connected with treating apparatus 12 by data wire; Laser irradiates see-through model groove 1 and forms the vertical face of see-through model groove 1 or the laser tangent plane of horizontal plane, the speckle field being recorded pile peripheral earth inside by digital camera 11 changes and continuous modification feature, analyze the soil compaction effect of the vibration sinking tube compacted stake in piles with different week soil strength variation, immersed tube cross-sectional form, stake footpath and the long situation of stake, complete the model testing of the sinking tube compacted stake of body vibration.
The cross section of immersed tube 3 of the present invention is hollow circle or rectangle or X-shaped (the present embodiment is hollow circle).
See-through model groove 1 of the present invention, immersed tube 3, shoe 4, Grouting Pipe 5 are made by transparent organic glass, and shoe 4 is flexibly connected with bottom immersed tube 3, and during immersed tube, shoe 4 closes, and when above pulling out immersed tube, shoe 4 is opened automatically.
Described lasing light emitter comprises laser instrument 9, linear transfor device 10, and laser instrument 9 is intracavity He-Ne laser, and power is 50mW ~ 500mW(the present embodiment is 500mW); Spot light can be converted into linear light sorurce by described converter,linear 10, and the linear light sorurce that changes into of linear transfor device 10 can direction of rotation;
Digital camera 11 of the present invention is high definition high-speed digital camera, and its resolution ratio is 50w ~ 500w(the present embodiment is 500w), exposed frame, frame number 25, time for exposure 10 μ s ~ 10s(the present embodiment is 10 μ s).
When the transparent soil of simulation saturated sand need be obtained, transparent soil of the present invention it by the colourless pore liquid of perfluor cyclic polymer and identical refractive index through getting the raw materials ready, mixture, vacuum step be formulated, described perfluor cyclic polymer is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; The physical characteristic of described transparent soil is: density 1.53g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 15kN/m 3~ 20kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 30 ° ~ 31 °, modulus of elasticity 8MPa ~ 50MPa, poisson's ratio 0.2 ~ 0.45; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution.
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; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 5 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.34) under, makes it consistent with the refractive index of perfluor cyclic polymer.
A kind of vibration sinking tube compacted model test of pile method, it comprises following process:
(1) modeling: make see-through model groove 1, the transparent soil of simulating soil around pile 2, Grouting Pipe 5 respectively according to test requirements document and be with the immersed tube 3 of shoe 4; Described see-through model groove 1, immersed tube 3, shoe 4, Grouting Pipe 5 are made by transparent organic glass, the cross section of described immersed tube 3 is hollow circle or rectangle or X-shaped, shoe 4 is flexibly connected with bottom immersed tube 3, and during immersed tube, shoe 4 closes, and when above pulling out immersed tube, shoe 4 is opened automatically; Four sidewalls of Grouting Pipe are evenly arranged 8 ~ 10 injected holes (the present embodiment is 8);
(2) install: on support 13, install pile sinking mechanism, the outer side of see-through model groove 1 installs lasing light emitter, and digital camera 11 is installed in the face of facing outside see-through model groove 1, face of overlooking respectively, and digital camera 11 is connected with treating apparatus 12 by data wire; Open lasing light emitter, check its particle tangent plane lightness formed at transparent inside soil body, adjustment laser angle, makes tangent plane vertical incidence, opens digital camera 11, and adjustment digital camera 11 camera lens, can include whole test picture;
Described lasing light emitter comprises laser instrument 9, linear transfor device 10, and laser instrument 9 is intracavity He-Ne laser, and power is 50mW ~ 500mW(the present embodiment is 500mW); Spot light can be converted into linear light sorurce by described converter,linear 10, and the linear light sorurce that changes into of linear transfor device 10 can direction of rotation;
Digital camera 11 of the present invention is high definition high-speed digital camera, and its resolution ratio is 50w ~ 500w(the present embodiment is 500w), exposed frame, frame number 25, time for exposure 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, described make simulation soil around pile 2 transparent mount draw together get the raw materials ready, mixture, vacuum step:
Describedly get the raw materials ready as selecting particle diameter to be the perfluor cyclic polymerization composition granule of 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described perfluor cyclic polymer refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of perfluor cyclic polymer; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution;
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; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 5 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.34) under, makes it consistent with the refractive index of perfluor cyclic polymer.
Described mixture is calculate according to the size of test conditions and sample the consumption determining perfluor cyclic polymerization composition granule and pore liquid, first the layering of perfluor cyclic polymerization composition granule is inserted in see-through model groove, and point hits reality 3 ~ 4 times; Then in see-through model groove, pore liquid is injected;
The present embodiment insert in see-through model groove 1 a certain amount of after, precompressed is carried out to perfluor cyclic polymerization composition granule; Divide and hit reality 3 times, the compactness of Control Assay is 30 ﹪; Then in see-through model groove 1, inject pore liquid, leave standstill 24 hours;
Describedly vacuumize as utilizing vacuum extractor to extract bubble between perfluor cyclic polymerization composition granule, utilize and inhale ball and pump the pore liquid exceeding perfluor cyclic polymerization composition granule, the transparent soil of obtained simulation saturated sand, its physical characteristic is: density 1.53g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 15kN/m 3~ 20kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 30 ° ~ 31 °, modulus of elasticity 8MPa ~ 50MPa, poisson's ratio 0.2 ~ 0.45.
The physical characteristic of the made transparent soil of the present embodiment is: density 1.53g/ ㎝ 3, severe 15kN/m 3, compactness 30 ﹪; Mechanical characteristic is: angle of internal friction 30 °, modulus of elasticity 8MPa, poisson's ratio 0.4.
(3) test: according to experimental design requirement, immersed tube 3 is connected with vibrating hammer 8 by flange 7, according to pile settlement rate and the vibration frequency of design, complete vibration sinking tube construction to projected depth; Laser irradiates see-through model groove 1 and forms tangent plane, records soil internal displacement rule by digital camera 11;
Then, unload lower flange 7, arrange Grouting Pipe 5 in immersed tube 3 center, and after filler 6 is filled in immersed tube 3 inside, then reinstall flange 7, vibration is pulled out immersed tube 3 to immersed tube 3 and shoe 4 extracts ground surface completely, meanwhile, filler 6 is filled by immersed tube 3 upper feed inlet is supplementary; Laser irradiates see-through model groove 1 and forms tangent plane, records soil internal displacement rule by digital camera 11;
Process (3) in, described fills the perfluor cyclic polymerization composition granule that filler 6 is particle diameter 4.5 ㎜ ~ 5.0 ㎜, and its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪.
Then, carry out mortar depositing construction by slurry casting machine to Grouting Pipe 5, laser irradiates see-through model groove 1 and forms tangent plane, is recorded the form of soil internal displacement rule and slip casting pile body by digital camera 11;
Described laser instrument 9 and linear transfor device 10 can form the vertical face of see-through model groove 1 or the laser tangent plane of horizontal plane in the optional position of see-through model groove 1.
When laser irradiate see-through model groove 1 form the laser tangent plane of the vertical face of see-through model groove 1 time, by digital camera 11 record being arranged on see-through model groove 1 and facing face; When laser irradiate see-through model groove 1 form the laser tangent plane of the horizontal plane of see-through model groove 1 time, by digital camera 11 record being arranged on see-through 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.
Repetitive process (1) ~ process (3), analyze the soil compaction effect of the vibration sinking tube compacted stake in piles with different week soil strength variation, immersed tube 3 cross-sectional form, stake footpath and the long situation of stake by treating apparatus 12, complete the model testing of the sinking tube compacted stake of body vibration.
Embodiment 2:(transparent solid material is perfluor cyclic polymer)
Process (1) in, that select perfluor cyclic polymerization composition granule 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪, 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 30 ﹪, by weight, add up to 100 ﹪, mixed; Described pore liquid is sodium chloride solution, and its concentration is 5 ﹪;
During mixture, first deployed pore liquid is contained in see-through model groove 1, and perfluor cyclic polymerization composition granule is poured in see-through 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;
The physical characteristic of the made transparent soil of the present embodiment is: density 1.65g/ ㎝ 3, severe 17kN/m 3, compactness 40 ﹪; Mechanical characteristic is: angle of internal friction 31 °, modulus of elasticity 20MPa, poisson's ratio 0.25.
Remaining with embodiment 1.
Embodiment 3:(transparent solid material is perfluor cyclic polymer)
Process (1) in, 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; Described pore liquid is alcoholic solution, and its concentration is 15 ﹪;
During mixture, its compactness of Control Assay is 40 ﹪.
The physical characteristic of the made transparent soil of the present embodiment is: density 1.83g/ ㎝ 3, severe 17.5kN/m 3, compactness 40 ﹪; Mechanical characteristic is: angle of internal friction 31 °, modulus of elasticity 15MPa, poisson's ratio 0.32.
Remaining with embodiment 1.
Embodiment 4:(transparent solid material is perfluor cyclic polymer)
The cross section of immersed tube 3 of the present invention is hollow circle or rectangle or X-shaped (the present embodiment is hollow rectangle).
When the transparent soil of simulation saturated clay need be obtained, transparent soil of the present invention it by the colourless pore liquid of perfluor cyclic polymer and identical refractive index through getting the raw materials ready, mixture, vacuumize, consolidation step is formulated, described perfluor cyclic polymer is the particle of particle diameter≤0.074 ㎜, its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; The physical characteristic of described transparent soil is: density 1.63g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 16kN/m 3~ 20kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 19 ° ~ 22 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution.
The present embodiment selects the perfluor cyclic polymerization composition granule of particle diameter≤0.074 ㎜; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 5 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.34) under, makes it consistent with the refractive index of perfluor cyclic polymer.
When need obtain simulation saturated clay transparent soil time, process (1) in, described make simulation soil around pile 2 transparent mount draw together get the raw materials ready, mixture, vacuumize, consolidation step:
Described perfluor cyclic polymerization composition granule of getting the raw materials ready as selecting particle diameter≤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, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of perfluor cyclic polymer; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution;
The present embodiment selects the perfluor cyclic polymerization composition granule of particle diameter≤0.074 ㎜; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 5 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.34) under, makes it consistent with the refractive index of perfluor cyclic polymer.
Described mixture is calculate according to the size of test conditions and sample the consumption determining perfluor cyclic polymerization composition granule and pore liquid, first the layering of perfluor cyclic polymerization composition granule is inserted in see-through model groove 1, and point hits reality 3 ~ 4 times; Then in see-through model groove 1, pore liquid is injected;
The present embodiment insert in see-through 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 see-through 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;
Described consolidation for carry out consolidation in consolidometer, and obtained transparent solid material is perfluor cyclic polymerization composition granule, and the transparent soil of simulation saturated clay, its physical characteristic is: density 1.63g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 16kN/m 3~ 20kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 19 ° ~ 22 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35.
The physical characteristic of the made transparent soil of the present embodiment is: density 1.73g/ ㎝ 3, severe 17kN/m 3, degree of consolidation OCR value 2.0; Mechanical characteristic is: cohesive force 3kPa, angle of internal friction 20 °, modulus of elasticity 9MPa, poisson's ratio 0.35.
Remaining with embodiment 1.
Embodiment 5:(transparent solid material is perfluor cyclic polymer)
Process (1) in, described pore liquid is sodium chloride solution, and its concentration is 5 ﹪;
During mixture, first deployed pore liquid is contained in see-through model groove 1, and perfluor cyclic polymerization composition granule is poured in see-through 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;
The physical characteristic of the made transparent soil of the present embodiment is: density 1.83g/ ㎝ 3, severe 18kN/m 3, degree of consolidation OCR value 1.0; Mechanical characteristic is: cohesive force 2kPa, angle of internal friction 19 °, modulus of elasticity 6MPa, poisson's ratio 0.35.
Remaining with embodiment 1,4.
Embodiment 6:(transparent solid material is perfluor cyclic polymer)
Process (1) in, described pore liquid is calcium bromide solution, and its concentration is 3 ﹪;
The physical characteristic of the made transparent soil of the present embodiment is: density 2.0g/ ㎝ 3, severe 20kN/m 3, degree of consolidation OCR value 2; Mechanical characteristic is: cohesive force 3kPa, angle of internal friction 22 °, modulus of elasticity 9MPa, poisson's ratio 0.25.
Remaining with embodiment 1,4.
Embodiment 7:(transparent solid material is ice crystal)
The cross section of immersed tube 3 of the present invention is hollow circle or rectangle or X-shaped (the present embodiment is hollow X-shaped).
When the transparent soil of simulation saturated sand need be obtained, transparent soil of the present invention it by the colourless pore liquid of ice crystal and identical refractive index through getting the raw materials ready, mixture, vacuum step be formulated, described ice crystal is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, refractive index 1.338 ~ 1.339, density 2.97g/ ㎝ 3~ 3.0g/ ㎝ 3; The physical characteristic of described transparent soil is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 19kN/m 3~ 25kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 34 ° ~ 35 °, modulus of elasticity 12MPa ~ 71MPa, poisson's ratio 0.2 ~ 0.45; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution.
That ice crystal 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 density 2.97g/ ㎝ 3, refractive index 1.338 ice crystal particle, that 0.25 ㎜≤particle diameter < 0.5 ㎜ is 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; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 3.5 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.338) under, makes it consistent with the refractive index of ice crystal.
When need obtain simulation saturated sand transparent soil time, the present invention process (1) in, described make simulation soil around pile 2 transparent mount draw together get the raw materials ready, mixture, vacuum step:
Described ice crystal particle of getting the raw materials ready as selecting particle diameter 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described ice crystal refractive index 1.338 ~ 1.339, density 2.97g/ ㎝ 3~ 3.0g/ ㎝ 3; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of ice crystal; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution;
That described ice crystal particle 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 density 2.97g/ ㎝ 3, refractive index 1.338 ice crystal particle, that 0.25 ㎜≤particle diameter < 0.5 ㎜ is 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; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 3.5 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.338) under, makes it consistent with the refractive index of ice crystal.
Described mixture is calculate according to the size of test conditions and sample the consumption determining ice crystal particle and pore liquid, first the layering of ice crystal particle is inserted in see-through model groove 1, and point hits reality 3 ~ 4 times; Then in see-through model groove 1, pore liquid is injected;
The present embodiment insert in see-through model groove 1 a certain amount of after, precompressed is carried out to ice crystal particle; Divide and hit reality 3 times, the compactness of Control Assay is 50 ﹪; Then in see-through model groove 1, inject pore liquid, leave standstill 24 hours;
Describedly vacuumize as utilizing vacuum extractor to extract bubble between ice crystal particle, utilize and inhale ball and pump the pore liquid exceeding ice crystal particle, the transparent soil of obtained simulation saturated sand, its physical characteristic is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 19kN/m 3~ 25kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 34 ° ~ 35 °, modulus of elasticity 12MPa ~ 71MPa, poisson's ratio 0.2 ~ 0.45.
The physical characteristic of the made transparent soil of the present embodiment is: density 1.98g/ ㎝ 3, severe 19kN/m 3, compactness 50 ﹪; Mechanical characteristic is: angle of internal friction 34 °, modulus of elasticity 20MPa, poisson's ratio 0.4.
Process (3) in, described fills the ice crystal particle that filler 6 is 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.
Remaining with embodiment 1.
Embodiment 8:(transparent solid material is ice crystal)
Process (1) in, select density 3.0g/ ㎝ 3, refractive index 1.339 ice crystal particle, that 0.25 ㎜≤particle diameter < 0.5 ㎜ is 10 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 35 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 35 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 20 ﹪, by weight, add up to 100 ﹪, mixed; Described pore liquid is sodium chloride solution, modulation solution concentration (the present embodiment concentration is 4.2 ﹪), and (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sodium chloride solution oc) refractive index (the present embodiment is 1.339) under, makes it consistent with the refractive index of ice crystal.
During mixture, first deployed pore liquid is contained in see-through model groove 1, and ice crystal particle is poured in see-through model groove 1 slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep ice crystal particle all the time below pore liquid liquid level;
Remaining with embodiment 1,7.
Embodiment 9:(transparent solid material is ice crystal)
Process (1) in, select density 3.0g/ ㎝ 3, refractive index 1.338 ice crystal particle, that 0.25 ㎜≤particle diameter < 0.5 ㎜ is 25 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 25 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 25 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 25 ﹪, by weight, add up to 100 ﹪, mixed; Described pore liquid is alcoholic solution, and its concentration is 12 ﹪;
During mixture, its compactness of Control Assay is 60 ﹪.
The physical characteristic of the made transparent soil of the present embodiment is: density 2.3g/ ㎝ 3, severe 23kN/m 3, compactness 60 ﹪; Mechanical characteristic is: angle of internal friction 35 °, modulus of elasticity 45MPa, poisson's ratio 0.35.
Remaining with embodiment 1,7.
Embodiment 10:(transparent solid material is ice crystal)
When the transparent soil of simulation saturated clay need be obtained, transparent soil of the present invention it by the colourless pore liquid of ice crystal and identical refractive index through getting the raw materials ready, mixture, vacuumize, consolidation step is formulated, described ice crystal is the particle of particle diameter≤0.074 ㎜, its particle is irregularly shaped, refractive index 1.338 ~ 1.339, density 2.97g/ ㎝ 3~ 3.0g/ ㎝ 3; The physical characteristic of described transparent soil is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 20kN/m 3~ 26kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 22 ° ~ 26 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution.
The present embodiment selects density 2.97g/ ㎝ 3, refractive index 1.338, particle diameter≤0.074 ㎜ ice crystal particle; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 3.5 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.338) under, makes it consistent with the refractive index of ice crystal.
When need obtain simulation saturated clay transparent soil time, process (1) in, described make simulation soil around pile 2 transparent mount draw together get the raw materials ready, mixture, vacuumize, consolidation step:
Described ice crystal particle of getting the raw materials ready as selecting particle diameter≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described ice crystal refractive index 1.338 ~ 1.339, density 2.97g/ ㎝ 3~ 3.0g/ ㎝ 3; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of ice crystal; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution;
The present embodiment selects density 2.97g/ ㎝ 3, refractive index 1.338, particle diameter≤0.074 ㎜ ice crystal particle; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 3.5 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.338) under, makes it consistent with the refractive index of ice crystal.
Described mixture is calculate according to the size of test conditions and sample the consumption determining ice crystal particle and pore liquid, first the layering of ice crystal particle is inserted in see-through model groove 1, and point hits reality 3 ~ 4 times; Then in see-through model groove 1, pore liquid is injected;
The present embodiment insert in see-through model groove 1 a certain amount of after, precompressed is carried out to ice crystal particle; Divide and hit reality 3 times, with the density of Control Assay; Then in see-through model groove 1, inject pore liquid, leave standstill 24 hours;
Describedly to vacuumize as utilizing vacuum extractor to extract bubble between ice crystal particle, utilizing and inhaling ball and pump the pore liquid exceeding ice crystal particle;
Described consolidation for carry out consolidation in consolidometer, and the transparent soil of obtained simulation saturated clay, its physical characteristic is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 20kN/m 3~ 26kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 22 ° ~ 26 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35.
The physical characteristic of the made transparent soil of the present embodiment is: density 2.0g/ ㎝ 3, severe 21kN/m 3, degree of consolidation OCR value 0.8; Mechanical characteristic is: cohesive force 1kPa, angle of internal friction 23 °, modulus of elasticity 5MPa, poisson's ratio 0.30.
Process (3) in, described fills the ice crystal particle that filler 6 is 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.
Remaining with embodiment 1.
Embodiment 11:(transparent solid material is ice crystal)
Process (1) in, select density 3.0g/ ㎝ 3, refractive index 1.338, particle diameter≤0.074 ㎜ ice crystal particle; Described pore liquid is sodium chloride solution, and its concentration is 4.1 ﹪;
During mixture, first deployed pore liquid is contained in see-through model groove 1, and ice crystal particle is poured in see-through model groove 1 slowly, evenly, dispersedly, constantly stir in toppling process and discharge bubble, and keep ice crystal particle all the time below pore liquid liquid level;
The physical characteristic of the made transparent soil of the present embodiment is: density 2.3g/ ㎝ 3, severe 24kN/m 3, degree of consolidation OCR value 1.5; Mechanical characteristic is: cohesive force 3kPa, angle of internal friction 23 °, modulus of elasticity 8MPa, poisson's ratio 0.25.
Remaining with embodiment 1,11.
Embodiment 12:(transparent solid material is ice crystal)
Process (1) in, select density 3.0g/ ㎝ 3, refractive index 1.338, particle diameter≤0.074 ㎜ ice crystal particle; Described pore liquid is calcium bromide solution, and its concentration is 1 ﹪;
The physical characteristic of the made transparent soil of the present embodiment is: density 2.3g/ ㎝ 3, severe 26kN/m 3, degree of consolidation OCR value 2; Mechanical characteristic is: cohesive force 3kPa, angle of internal friction 6 °, modulus of elasticity 9MPa, poisson's ratio 0.25.
Remaining with embodiment 1,10.
Embodiment 13:(transparent solid material is calcirm-fluoride)
When the transparent soil of simulation saturated sand need be obtained, transparent soil of the present invention it by the colourless pore liquid of calcirm-fluoride and identical refractive index through getting the raw materials ready, mixture, vacuum step be formulated, described calcirm-fluoride is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, refractive index 1.434, density 3.18g/ ㎝ 3; The physical characteristic of described transparent soil is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 19kN/m 3~ 25kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 34 ° ~ 35 °, modulus of elasticity 12MPa ~ 71MPa, poisson's ratio 0.2 ~ 0.45; Described pore liquid is the one in sugar juice or sodium chloride solution or calcium bromide solution.
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 20 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 20 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 30 ﹪, by weight, add up to 100 ﹪, mixed; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 56 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.434) under, makes it consistent with the refractive index of calcirm-fluoride.
When need obtain simulation saturated sand transparent soil time, the present invention process (1) in, described make simulation soil around pile 2 transparent mount draw together get the raw materials ready, mixture, vacuum step:
Describedly get the raw materials ready as selecting particle diameter to be the calcium fluoride particles of 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described calcirm-fluoride refractive index 1.434, density 3.18g/ ㎝ 3; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of calcirm-fluoride; Described pore liquid is the one in sugar juice or sodium chloride solution or calcium bromide solution;
That described calcium fluoride particles 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 calcium fluoride particles 0.25 ㎜≤particle diameter < 0.5 ㎜ to be 30 ﹪, that 0.5 ㎜≤particle diameter < 1.0 ㎜ is 20 ﹪, that 1.0 ㎜≤particle diameter < 1.5 ㎜ is 20 ﹪, that 1.5 ㎜≤particle diameter≤2.0 ㎜ is 30 ﹪, by weight, add up to 100 ﹪, mixed; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 56 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.434) under, makes it consistent with the refractive index of calcirm-fluoride.
Described mixture is calculate according to the size of test conditions and sample the consumption determining calcium fluoride particles and pore liquid, first calcium fluoride particles layering is inserted in see-through model groove 1, and point hits reality 3 ~ 4 times; Then in see-through model groove 1, pore liquid is injected;
The present embodiment insert in see-through model groove 1 a certain amount of after, precompressed is carried out to calcium fluoride particles; Divide and hit reality 3 times, the compactness of Control Assay is 30 ﹪; Then in see-through model groove 1, inject pore liquid, leave standstill 24 hours;
Describedly 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, the transparent soil of obtained simulation saturated sand, its physical characteristic is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 19kN/m 3~ 25kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 34 ° ~ 35 °, modulus of elasticity 12MPa ~ 71MPa, poisson's ratio 0.2 ~ 0.45.
The physical characteristic of the made transparent soil of the present embodiment is: density 2.1g/ ㎝ 3, severe 21kN/m 3, compactness 30 ﹪; Mechanical characteristic is: angle of internal friction 34 °, modulus of elasticity 17MPa, poisson's ratio 0.35.
Process (3) in, described fills the calcium fluoride particles that filler 6 is particle diameter 4.5 ㎜ ~ 5.0 ㎜, and its particle is irregularly shaped, refractive index 1.434, density 3.18g/ ㎝ 3.
Remaining with embodiment 1.
Embodiment 14:(transparent solid material is calcirm-fluoride)
Process (1) in, 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; Described pore liquid is sodium chloride solution, and its concentration is 54 ﹪;
During mixture, first deployed pore liquid is contained in see-through model groove 1, and calcium fluoride particles is poured in see-through 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;
The physical characteristic of the made transparent soil of the present embodiment is: density 2.0g/ ㎝ 3, severe 20kN/m 3, compactness 40 ﹪; Mechanical characteristic is: angle of internal friction 34 °, modulus of elasticity 20MPa, poisson's ratio 0.4.
Remaining with embodiment 1,13.
Embodiment 15:(transparent solid material is calcirm-fluoride)
Process (1) in, that select calcium fluoride particles 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; Described pore liquid is calcium bromide solution, and its concentration is 45 ﹪;
During mixture, its compactness of Control Assay is 50 ﹪.
The physical characteristic of the made transparent soil of the present embodiment is: density 1.53g/ ㎝ 3, severe 15kN/m 3, compactness 50 ﹪; Mechanical characteristic is: angle of internal friction 35 °, modulus of elasticity 25MPa, poisson's ratio 0.3.
Remaining with embodiment 1,13.
Embodiment 16:(transparent solid material is calcirm-fluoride)
When the transparent soil of simulation saturated clay need be obtained, transparent soil of the present invention it by the colourless pore liquid of calcirm-fluoride and identical refractive index through getting the raw materials ready, mixture, vacuumize, consolidation step is formulated, described calcirm-fluoride is the particle of particle diameter≤0.074 ㎜, its particle is irregularly shaped, refractive index 1.434, density 3.18g/ ㎝ 3; The physical characteristic of described transparent soil is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 20kN/m 3~ 26kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 22 ° ~ 26 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35; Described pore liquid is the one in the mixture of sugar juice or sodium chloride solution or calcium bromide solution or n-dodecane and glycerine.
The present embodiment selects the calcium fluoride particles of particle diameter≤0.074 ㎜; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 56 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.434) under, makes it consistent with the refractive index of calcirm-fluoride.
When need obtain simulation saturated clay transparent soil time, process (1) in, described make simulation soil around pile 2 transparent mount draw together get the raw materials ready, mixture, vacuumize, consolidation step:
Described calcium fluoride particles of getting the raw materials ready as selecting particle diameter≤0.074 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described calcirm-fluoride refractive index 1.434, light transmittance 95 ﹪, unit weight 3.18g/ ㎝ 3; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of calcirm-fluoride; Described pore liquid is the one in the mixture of sugar juice or sodium chloride solution or calcium bromide solution or n-dodecane and glycerine;
The present embodiment selects the calcium fluoride particles of particle diameter≤0.074 ㎜; Pore liquid is sugar juice, and described sugar is sucrose.Modulation solution concentration (the present embodiment concentration is 56 ﹪), (the present embodiment is 20 in test temperature to utilize Abbe refractometer to measure sucrose solution oc) refractive index (the present embodiment is 1.434) under, makes it consistent with the refractive index of calcirm-fluoride.
Described mixture is calculate according to the size of test conditions and sample the consumption determining calcium fluoride particles and pore liquid, first calcium fluoride particles layering is inserted in see-through model groove 1, and point hits reality 3 ~ 4 times; Then in see-through model groove 1, pore liquid is injected;
The present embodiment insert in see-through 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 see-through model groove 1, inject pore liquid, leave standstill 24 hours;
Describedly to vacuumize as utilizing vacuum extractor to extract bubble between calcium fluoride particles, utilizing and inhaling ball and pump the pore liquid exceeding calcium fluoride particles;
Described consolidation for carry out consolidation in consolidometer, and the transparent soil of obtained simulation saturated clay, its physical characteristic is: density 1.98g/ ㎝ 3~ 2.5g/ ㎝ 3, severe 20kN/m 3~ 26kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 22 ° ~ 26 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35.
The physical characteristic of the made transparent soil of the present embodiment is: density 1.98g/ ㎝ 3, severe 20kN/m 3, degree of consolidation OCR value 0.8; Mechanical characteristic is: cohesive force 1kPa, angle of internal friction 22 °, modulus of elasticity 5MPa, poisson's ratio 0.35.
Process (3) in, described fills the calcium fluoride particles that filler 6 is particle diameter 4.5 ㎜ ~ 5.0 ㎜, and its particle is irregularly shaped, refractive index 1.434, density 3.18g/ ㎝ 3.
Remaining with embodiment 1.
Embodiment 17:(transparent solid material is calcirm-fluoride)
Process (1) in, described pore liquid is sodium chloride solution, and its concentration is 54 ﹪;
During mixture, first deployed pore liquid is contained in see-through model groove 1, and calcium fluoride particles is poured in see-through 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;
The physical characteristic of the made transparent soil of the present embodiment is: density 2.3g/ ㎝ 3, severe 23kN/m 3, degree of consolidation OCR value 1.5; Mechanical characteristic is: cohesive force 2kPa, angle of internal friction 23 °, modulus of elasticity 8MPa, poisson's ratio 0.30.
Remaining with embodiment 1,16.
Embodiment 18:(transparent solid material is calcirm-fluoride)
Process (1) in, described pore liquid is calcium bromide solution, and its concentration is 45 ﹪;
The physical characteristic of the made transparent soil of the present embodiment is: density 2.1g/ ㎝ 3, severe 21kN/m 3, degree of consolidation OCR value 1.0; Mechanical characteristic is: cohesive force 1kPa, angle of internal friction 22 °, modulus of elasticity 6MPa, poisson's ratio 0.30.
Remaining with embodiment 1,16.
Embodiment 19:(transparent solid material is calcirm-fluoride)
Process (1) in, described pore liquid is the mixture of n-dodecane (refractive index is 1.421) and glycerine (refractive index is 1.473), by adjustment n-dodecane and glycerine mass ratio change the refractive index of miscella, make it consistent with the refractive index of calcium fluoride particles; The present embodiment n-dodecane and glycerine mass ratio be 1:3;
The physical characteristic of the made transparent soil of the present embodiment is: density 2.3g/ ㎝ 3, severe 23kN/m 3, degree of consolidation OCR value 1.5; Mechanical characteristic is: cohesive force 3kPa, angle of internal friction 26 °, modulus of elasticity 8MPa, poisson's ratio 0.35.
Remaining with embodiment 1,16.

Claims (8)

1. a vibration sinking tube compacted model test of pile device, it is characterized in that it comprises see-through model groove, be provided with the immersed tube of the transparent soil of simulation soil around pile, band shoe in see-through model groove, immersed tube center is provided with Grouting Pipe, is provided with rack-mount pile sinking mechanism above see-through model groove; The outer side of see-through model groove is provided with lasing light emitter, and the face of facing outside see-through model groove, the face of overlooking are provided with the digital camera of observable see-through model slot space, and digital camera is connected with treating apparatus by data wire; The cross section of described immersed tube is hollow circle or rectangle or X-shaped; Described see-through model groove, immersed tube, shoe, Grouting Pipe are made by transparent organic glass, and shoe is flexibly connected with bottom immersed tube, and during immersed tube, shoe closes, and when above pulling out immersed tube, shoe is opened automatically; Described transparent soil it by the colourless pore liquid of perfluor cyclic polymer and identical refractive index through getting the raw materials ready, mixture, vacuum step or through getting the raw materials ready, mixture, vacuumize, consolidation step is formulated; Described perfluor cyclic polymer is particle, and its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; Laser irradiates see-through model groove and forms the vertical face of see-through model groove or the laser tangent plane of horizontal plane, changed and continuous modification feature by the speckle field of digital camera record pile peripheral earth inside, analyze the soil compaction effect of the vibration sinking tube compacted stake in piles with different week soil strength variation, immersed tube cross-sectional form, stake footpath and the long situation of stake, complete the model testing of the sinking tube compacted stake of body vibration.
2. vibration sinking tube compacted model test of pile device according to claim 1, it is characterized in that described transparent soil it by the colourless pore liquid of perfluor cyclic polymer and identical refractive index through getting the raw materials ready, mixture, vacuum step be formulated, described perfluor cyclic polymer is the particle of particle diameter 0.25 ㎜ ~ 2.0 ㎜, and its particle is irregularly shaped; The physical characteristic of described transparent soil is: density 1.53g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 15kN/m 3~ 20kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 30 ° ~ 31 °, modulus of elasticity 8MPa ~ 50MPa, poisson's ratio 0.2 ~ 0.45; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution.
3. vibration sinking tube compacted model test of pile device according to claim 2, it is characterized in that that described perfluor cyclic polymerization composition granule 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.
4. vibration sinking tube compacted model test of pile device according to claim 1, it is characterized in that described transparent soil it by the colourless pore liquid of perfluor cyclic polymer and identical refractive index through getting the raw materials ready, mixture, vacuumize, consolidation step is formulated, described perfluor cyclic polymer is the particle of particle diameter≤0.074 ㎜, and its particle is irregularly shaped; The physical characteristic of described transparent soil is: density 1.63g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 16kN/m 3~ 20kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 19 ° ~ 22 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution.
5. a vibration sinking tube compacted model test of pile method, is characterized in that it comprises following process:
(1) modeling: make see-through model groove, the transparent soil of simulating soil around pile, Grouting Pipe respectively according to test requirements document and be with the immersed tube of shoe; Described see-through model groove, immersed tube, shoe, Grouting Pipe are made by transparent organic glass, and the cross section of described immersed tube is hollow circle or rectangle or X-shaped, and shoe is flexibly connected with bottom immersed tube, and during immersed tube, shoe closes, and when above pulling out immersed tube, shoe is opened automatically;
(2) install: on support, install pile sinking mechanism, the outer side of see-through model groove installs lasing light emitter, and digital camera is installed respectively in the face of facing outside see-through model groove, face of overlooking, and digital camera is connected with treating apparatus by data wire; Open lasing light emitter, check its particle tangent plane lightness formed at transparent inside soil body, adjustment laser angle, makes tangent plane vertical incidence, opens digital camera, and adjustment digital camera lens, can include whole test picture;
(3) test: according to experimental design requirement, immersed tube is connected with vibrating hammer by flange, according to pile settlement rate and the vibration frequency of design, complete vibration sinking tube construction to projected depth; Laser irradiates see-through model groove and forms tangent plane, by digital camera record soil internal displacement rule;
Then, unload lower flange, arrange Grouting Pipe in immersed tube center, and after filler is filled in immersed tube inside, then reinstall flange, vibration is pulled out immersed tube and extract ground surface completely to immersed tube and shoe, meanwhile, supplemented by immersed tube upper feed inlet and fill filler; Laser irradiates see-through model groove and forms tangent plane, by digital camera record soil internal displacement rule;
Then, carry out mortar depositing construction by slurry casting machine to Grouting Pipe, laser irradiates see-through model groove and forms tangent plane, by the form of digital camera record soil internal displacement rule and slip casting pile body;
Repetitive process (1) ~ process (3), analyze the soil compaction effect of the vibration sinking tube compacted stake in piles with different week soil strength variation, immersed tube cross-sectional form, stake footpath and the long situation of stake by treating apparatus, complete the model testing of the sinking tube compacted stake of body vibration.
6. vibration sinking tube compacted model test of pile method according to claim 5, it is characterized in that process (1) in, described make simulation soil around pile transparent mount draw together get the raw materials ready, mixture, vacuum step:
Describedly get the raw materials ready as selecting particle diameter to be the perfluor cyclic polymerization composition granule of 0.25 ㎜ ~ 2.0 ㎜, its particle is irregularly shaped, and cleaning impurity is also dried, described perfluor cyclic polymer refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of perfluor cyclic polymer; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution;
That described perfluor cyclic polymerization composition granule 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;
Described mixture is calculate according to the size of test conditions and sample the consumption determining perfluor cyclic polymerization composition granule and pore liquid, first the layering of perfluor cyclic polymerization composition granule is inserted in see-through model groove, and point hits reality 3 ~ 4 times; Then in see-through model groove, pore liquid is injected;
Or first deployed pore liquid is contained in see-through model groove, and perfluor cyclic polymerization composition granule is poured in see-through 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 vacuumize as utilizing vacuum extractor to extract bubble between perfluor cyclic polymerization composition granule, utilize and inhale ball and pump the pore liquid exceeding perfluor cyclic polymerization composition granule, the transparent soil of obtained simulation saturated sand, its physical characteristic is: density 1.53g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 15kN/m 3~ 20kN/m 3, compactness 20 ﹪ ~ 80 ﹪; Mechanical characteristic is: angle of internal friction 30 ° ~ 31 °, modulus of elasticity 8MPa ~ 50MPa, poisson's ratio 0.2 ~ 0.45.
7. vibration sinking tube compacted model test of pile method according to claim 5, it is characterized in that process (1) in, described make simulation soil around pile transparent mount draw together get the raw materials ready, mixture, vacuumize, consolidation step:
Described perfluor cyclic polymerization composition granule of getting the raw materials ready as selecting particle diameter≤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, light transmittance 95 ﹪, water imbibition < 0.01 ﹪; Select colourless pore liquid, regulate solution concentration, make the refractive index of pore liquid consistent with the refractive index of perfluor cyclic polymer; Described pore liquid is the one in sugar juice or sodium chloride solution or alcoholic solution or calcium bromide solution;
Described mixture is calculate according to the size of test conditions and sample the consumption determining perfluor cyclic polymerization composition granule and pore liquid, first the layering of perfluor cyclic polymerization composition granule is inserted in see-through model groove, and point hits reality 3 ~ 4 times; Then in see-through model groove, pore liquid is injected;
Or first deployed pore liquid is contained in see-through model groove, and perfluor cyclic polymerization composition granule is poured in see-through 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;
Described consolidation for carry out consolidation in consolidometer, and obtained transparent solid material is perfluor cyclic polymerization composition granule, and the transparent soil of simulation saturated clay, its physical characteristic is: density 1.63g/ ㎝ 3~ 2.0g/ ㎝ 3, severe 16kN/m 3~ 20kN/m 3, degree of consolidation OCR value 0.8 ~ 3; Mechanical characteristic is: cohesive force 1kPa ~ 3kPa, angle of internal friction 19 ° ~ 22 °, modulus of elasticity 5MPa ~ 9MPa, poisson's ratio 0.20 ~ 0.35.
8. the vibration sinking tube compacted model test of pile method according to claim 5 or 6 or 7, it is characterized in that process (3) in, described fills the perfluor cyclic polymerization composition granule that filler is particle diameter 4.5 ㎜ ~ 5.0 ㎜, and its particle is irregularly shaped, refractive index 1.34, density 2.03g/ ㎝ 3, light transmittance 95 ﹪, water imbibition < 0.01 ﹪.
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CN109989432A (en) * 2019-03-29 2019-07-09 中国地质大学(武汉) The visualization device of soil plug character variation in a kind of tubular pole pile driving process
CN110761260B (en) * 2019-10-31 2021-05-14 三峡大学 Device for observing coral sand compaction and using method
CN112267497B (en) * 2019-12-10 2021-11-09 云南大学 Vibration pile sinking simulation test system
CN111622273B (en) * 2020-05-08 2021-04-23 浙江大学 Test device and test method for simulating pile foundation bearing performance of precast pile filled with discrete drainage materials around
JP7325701B2 (en) * 2021-03-24 2023-08-15 正佳 近藤 Vacuum Consolidation Method, Vacuum Consolidation Dredging Method, Vacuum Consolidation Test System, Vertical Drain Driving Machine, and Airtight Loading Box
CN116815835B (en) * 2023-08-28 2023-11-21 四川合众精准科技有限公司 Deep horizontal displacement monitoring system and monitoring method based on machine vision

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002047677A (en) * 2000-08-04 2002-02-15 Nippon Steel Corp Load carrying test method using double vane type pile and its device
CN101532930A (en) * 2008-03-14 2009-09-16 同济大学 Pile model power-cycle test system
JP2010230482A (en) * 2009-03-27 2010-10-14 Penta Ocean Construction Co Ltd Device and method for measuring pile rebound quantity
CN103234473A (en) * 2013-04-12 2013-08-07 哈尔滨工业大学深圳研究生院 Test device and test method of seepage force model allowing for observation of inside of soil body

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002047677A (en) * 2000-08-04 2002-02-15 Nippon Steel Corp Load carrying test method using double vane type pile and its device
CN101532930A (en) * 2008-03-14 2009-09-16 同济大学 Pile model power-cycle test system
JP2010230482A (en) * 2009-03-27 2010-10-14 Penta Ocean Construction Co Ltd Device and method for measuring pile rebound quantity
CN103234473A (en) * 2013-04-12 2013-08-07 哈尔滨工业大学深圳研究生院 Test device and test method of seepage force model allowing for observation of inside of soil body

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
基于透明介质和颗粒图像技术的土体变形测量研究进展;佘跃心;《勘查科学技术》;20051231;第7-11页 *
基于透明土材料的沉桩过程土体三维变形模型试验研究;曹兆虎等;《岩土工程学报》;20140228;第36卷(第2期);第395-400页 *

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