Undisturbed soil vacuum soaking device and method for preparing sheet for SEM analysis

A technology of vacuum soaking and undisturbed soil, which is applied in the preparation of test samples, etc., to achieve the effects of novel structure, increased cohesion, and ingenious conception

Active Publication Date: 2013-09-25
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the existing problems in soil sample preparation for scanning electron microscope testing, the present invention provides a vacuum soaking device for undisturbed soil and a thin slice preparation method for SEM analysis

Method used

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  • Undisturbed soil vacuum soaking device and method for preparing sheet for SEM analysis

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Embodiment Construction

[0020] The undisturbed soil vacuum soaking device comprises a vacuum container 1 supported by a bottom plate 2 with a hole, a liquid supply tank 3 filled with soaking liquid connected to the vacuum container 1 through a liquid inlet pipe 5, and a vacuum container 3 connected to the vacuum container through an exhaust pipe 6. The vacuum pump 4 on the container 1, the other end of the liquid inlet pipe 5 is provided with several outlet branch pipes 7, and each port of the outlet branch pipe 7 leads into an open container 8 with a volume of 100ml respectively, and the open container 8 is placed on a belt On the orifice backing plate 2, a solution control valve 9 is provided on the liquid inlet pipe 5 between the liquid supply tank 3 and the vacuum container 1; a vacuum control valve 11 is sequentially provided on the exhaust pipe 6 between the vacuum container 1 and the vacuum pump 4 , 10 buffer bottles.

[0021] Further, a vacuum vent valve 12 is installed on the vacuum containe...

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Abstract

The invention relates to the field of undisturbed soil samples and in particular relates to an undisturbed soil vacuum soaking device and a method for preparing a sheet for SEM analysis. The undisturbed soil vacuum soaking device is novel in structure and ingenious in concept and provides scientific soaking equipment for microstructure analysis of undisturbed soil; and according to the method for preparing the sheet for SEM analysis, the undisturbed soil is treated by employing a cementing material infiltration method, the current method for preparing a general microscopic sample is improved, and the adhesiveness between soil particles is improved through soaking and hardening of the first and second soaking solutions, so that the original soil structure of an undisturbed soil test block is not damaged in the cutting, grinding and polishing processes, the image acquired by a scanning electron microscope is clear, real and objective, and technical support is provided for accurately and deeply analyzing the microstructure of the undisturbed soil.

Description

technical field [0001] The invention relates to the field of undisturbed soil sample preparation, in particular to an undisturbed soil vacuum soaking device and a thin slice preparation method for SEM analysis. Background technique [0002] The microstructure of soil is an important factor affecting its engineering properties. A large number of engineering practices have shown that the macroscopic engineering properties of rock and soil materials are largely controlled by the state or overall behavior of the microstructure system, and the complex physical and mechanical properties are its microscopic properties. A concentrated expression of structural characteristics. Therefore, the study of microstructure has become an important method for the study of soil properties, especially the physical and mechanical properties of special soils such as collapsible loess and compacted soil. Studying the microstructure of soils requires the use of modern testing techniques to obta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/31G01N1/28
Inventor 白晓红马富丽韩鹏举杨晶王梅何斌
Owner TAIYUAN UNIV OF TECH
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