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Triaxial compression test sample saturation device for fine-grained clay

A triaxial compression, clay technology, which is applied in the measurement device, sampling, preparation of test samples, etc., can solve the problems of the saturated soil sample and the latex film being not tightly attached, the saturation time is long, and the saturation does not meet the requirements.

Pending Publication Date: 2021-08-20
SICHUAN INSITITUTE OF BUILDING RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are still problems such as too long saturation time, insufficient saturation under special circumstances, and insufficient adhesion between saturated soil samples and latex membranes.

Method used

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  • Triaxial compression test sample saturation device for fine-grained clay
  • Triaxial compression test sample saturation device for fine-grained clay

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0032] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention discloses a triaxial compression test sample saturation device for fine-grained clay. The device comprises a saturation water tank, a sample preparation device and a vacuum pump which are communicated in sequence, and a sample preparation assembly comprises an upper sample cap, porous stone, filter paper, a sample and a lower sample cap. The filter paper, the permeable stone and the upper sample cap are sequentially arranged on the upper surface of the sample from bottom to top, the filter paper, the permeable stone and the lower sample cap are sequentially arranged on the lower surface of the sample from top to bottom, and the outer surface of the sample preparation assembly is further wrapped with a latex film. The soil sample saturation time can be shortened, the soil sample saturation is improved, air between the latex film and the soil sample is eliminated, and the latex film and the soil sample are tightly attached.

Description

technical field [0001] The invention relates to the technical field of saturation of triaxial soil samples in geotechnical tests, in particular to a saturation device for triaxial compression test samples of fine-grained clay. Background technique [0002] Soil is a complex three-phase material system, in which soil particles form a solid soil skeleton, and the pores of soil particles are filled with water and gas. When all the pores between soil particles are filled with water, the soil is in a saturated state, otherwise the soil The body is in an unsaturated state. Soil saturation mainly refers to the process of soil transforming from an unsaturated state to a saturated state. In existing conventional geotechnical tests, samples generally need to be saturated first, and the saturation degree must be ensured before relevant geotechnical tests can be carried out. [0003] Common indoor geotechnical test sample saturation methods include water immersion saturation method, c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N1/36
CPCG01N1/286G01N1/36
Inventor 王鹏任鹏舒智宏陈子洁唐印张子东
Owner SICHUAN INSITITUTE OF BUILDING RES
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