CN104931306A - Method for preparing low-viscosity pore fluid in transparent soil - Google Patents
Method for preparing low-viscosity pore fluid in transparent soil Download PDFInfo
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- CN104931306A CN104931306A CN201510210258.9A CN201510210258A CN104931306A CN 104931306 A CN104931306 A CN 104931306A CN 201510210258 A CN201510210258 A CN 201510210258A CN 104931306 A CN104931306 A CN 104931306A
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Abstract
The invention provides a method for preparing low-viscosity pore fluid in transparent soil. By taking methylbenzene or kerosene as base liquid, when serving as the base liquid, the methylbenzene is mixed with one of propyl alcohol, acetonitrile, ethyl acetate, methyl ethyl ketone or isobutanol to obtain the low-viscosity pore fluid in the transparent soil, and the refractive index of the low-viscosity pore fluid is 1.448; when serving as the base liquid, the kerosene is mixed with one of the propyl alcohol, the ethyl acetate or the methyl ethyl ketone to obtain the low-viscosity pore fluid in the transparent soil, and the refractive index of the low-viscosity pore fluid is 1.434; the particle diameter of a used silica-gel particle is 0.1mm to 5mm. The transparent soil is used for conducting a model test instead of natural soil in an indoor geotechnical model test so as to study the inner deformation characteristics of the soil; compared with other pore fluids, the low-viscosity pore fluid has the characteristics of being high in transparency and convenient to prepare.
Description
Technical field
The present invention relates to the compound method of low viscosity pore liquid in a kind of transparent soil, liquid based on toluene or kerosene specifically, is mixed to get the compound method with transparent native solid material used with the pore liquid of identical refractive index in proportion with multiple organic solvent.
Background technology
The measurement of soil deformation is one of important foundation of soil mechanics research.Traditional geotechnical model experiment is confined to measure the surface deformation of the soil body and the distortion of borderline region, is difficult to the change procedure and the data that obtain inside soil body.In order to realize the visual inspection for soil body internal deformation, seepage flow etc., the transparent native experimental technique of software engineering researchers invent.The prerequisite utilizing the transparent soil research of Prof. Du Yucang is that it has the Geotechnical Engineering Properties similar to natural rock-filled.The transparent soil of Prof. Du Yucang is made up of two parts, i.e. transparent soil particle and the pore fluid with respective indices of refraction.Because these two parts have identical or close refractive index, light just can pass, so this " soil " is transparent without refraction.Some method preparing transparent soil and materials are developed at present, and achieve certain achievement, but the type of the natural rock-filled that the transparent soil of different materials preparation can be simulated has larger difference, and transparency interaction is limited, have impact on reliability and the applicability of model experiment results.
Summary of the invention
The object of the invention is to propose a kind of method preparing low viscosity pore liquid in transparent soil.Propose with liquid based on toluene and kerosene, be mixed to get the method for pore liquid with multiple organic solvent respectively.
Technic relization scheme of the present invention is:
Prepare a method for low viscosity pore liquid in transparent soil, step is as follows:
Liquid based on toluene or kerosene,
Based on toluene during liquid, toluene mixes with the one in propyl alcohol, acetonitrile, ethyl acetate, MEK or isobutyl alcohol, the water white transparency mixed liquor A obtained, and is low viscosity pore liquid in transparent soil, and its refractive index is 1.448; Wherein, toluene mixes with mass ratio 1.07:1 with propyl alcohol, and toluene mixes with mass ratio 1.08:1 with acetonitrile, and toluene mixes with mass ratio 0.72:1 with ethyl acetate, and toluene mixes with mass ratio 0.95:1 with MEK, and toluene mixes with mass ratio 2.22:1 with isobutyl alcohol.
Based on kerosene during liquid, kerosene mixes with the one in propyl alcohol, ethyl acetate or MEK, the colourless transparent liquid B obtained, and is low viscosity pore liquid in transparent soil, and its refractive index is 1.434; Kerosene mixes with mass ratio 1:0.15 with propyl alcohol, and kerosene mixes with mass ratio 1.28:1 with ethyl acetate, and kerosene mixes with mass ratio 5:1 with MEK.
Beneficial effect of the present invention: the advantage of low viscosity pore liquid is to have and dynamics like aqueous phase, and glutinousness is low, and the raising for transparency has significant effect.The low viscosity pore liquid that the present invention relates to, liquid based on a kind of reagent, can be mixed to get from multiple different reagent, can select suitable synthetic method according to situations such as different experiment conditions and experimental temperatures.
Embodiment
Below in conjunction with the embodiment of technical scheme this explanation further.
Embodiment
(1) liquid based on kerosene, the pore liquid of preparation about 1200ml.First 1000ml MEK is poured in container, add 190ml kerosene, fully stir by stirring rod; The refractive index (above-mentioned refractive index and blending ratio all at room temperature 25 DEG C, so the most handy air-conditioning regulates the room temperature to reach optimum temperature) of mixed liquor is measured with Abbe refractometer.
(2) suck appropriate kerosene with dropper, one after another drop ofly add in above-mentioned mixed liquor, often add one-shot measurement and go out refractive index, until reach 1.448.
(3) select silica gel particle as the solid material of transparent soil, first the pore liquid finally obtained is poured in transparent clay model molding box, then repeatedly a small amount of interpolation silica gel particle, will avoid in process occurring bubble, add silica gel particle and stir gently.
(4) the transparent soil made is left standstill 24 hours, make silica gel particle homogeneous precipitation, and get rid of the bubble that may exist.
Claims (1)
1. prepare a method for low viscosity pore liquid in transparent soil, it is characterized in that, step is as follows:
Liquid based on toluene or kerosene,
Based on toluene during liquid, toluene mixes with the one in propyl alcohol, acetonitrile, ethyl acetate, MEK or isobutyl alcohol, the water white transparency mixed liquor A obtained, and is low viscosity pore liquid in transparent soil, and its refractive index is 1.448; Wherein, toluene mixes with mass ratio 1.07:1 with propyl alcohol, and toluene mixes with mass ratio 1.08:1 with acetonitrile, and toluene mixes with mass ratio 0.72:1 with ethyl acetate, and toluene mixes with mass ratio 0.95:1 with MEK, and toluene mixes with mass ratio 2.22:1 with isobutyl alcohol;
Based on kerosene during liquid, kerosene mixes with the one in propyl alcohol, ethyl acetate or MEK, the colourless transparent liquid B obtained, and is low viscosity pore liquid in transparent soil, and its refractive index is 1.434; Kerosene mixes with mass ratio 1:0.15 with propyl alcohol, and kerosene mixes with mass ratio 1.28:1 with ethyl acetate, and kerosene mixes with mass ratio 5:1 with MEK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210258.9A CN104931306A (en) | 2015-04-27 | 2015-04-27 | Method for preparing low-viscosity pore fluid in transparent soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510210258.9A CN104931306A (en) | 2015-04-27 | 2015-04-27 | Method for preparing low-viscosity pore fluid in transparent soil |
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| CN104931306A true CN104931306A (en) | 2015-09-23 |
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| CN201510210258.9A Pending CN104931306A (en) | 2015-04-27 | 2015-04-27 | Method for preparing low-viscosity pore fluid in transparent soil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770184A (en) * | 2017-04-07 | 2017-05-31 | 重庆大学 | The detection method of content of MEK is dissolved in a kind of transformer oil |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10120959A1 (en) * | 2001-04-27 | 2002-10-31 | Zeiss Carl Jena Gmbh | Reflecterometric interference spectroscopy screening transparent sample slides has spots of different refractive index, and wettabilities |
| CN103969099A (en) * | 2014-04-30 | 2014-08-06 | 河海大学 | Preparation method for artificially synthesized transparent soil material |
-
2015
- 2015-04-27 CN CN201510210258.9A patent/CN104931306A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10120959A1 (en) * | 2001-04-27 | 2002-10-31 | Zeiss Carl Jena Gmbh | Reflecterometric interference spectroscopy screening transparent sample slides has spots of different refractive index, and wettabilities |
| CN103969099A (en) * | 2014-04-30 | 2014-08-06 | 河海大学 | Preparation method for artificially synthesized transparent soil material |
Non-Patent Citations (2)
| Title |
|---|
| HONGHUA ZHAO 等: "Low Viscosity Pore Fluid to Manufacture Transparent soil", 《GEOTECHNICAL TESTING JOURNAL》 * |
| 赵红华 等: "粒子测速技术和透明土在土与结构动力相互作用研究中的应用", 《西北地震学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770184A (en) * | 2017-04-07 | 2017-05-31 | 重庆大学 | The detection method of content of MEK is dissolved in a kind of transformer oil |
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Application publication date: 20150923 |
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