True triaxial test undisturbed soil sample preparation device

A technology of undisturbed soil samples and preparation devices, applied in the field of testing machines, can solve the problems of large errors and low precision

Pending Publication Date: 2019-06-14
GUANGDONG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention provides a true triaxial test undisturbed soil sample preparation device, which solves the technical problems of large errors and low precision of existing true triaxial instruments

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  • True triaxial test undisturbed soil sample preparation device
  • True triaxial test undisturbed soil sample preparation device
  • True triaxial test undisturbed soil sample preparation device

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Embodiment Construction

[0024] The invention provides a true triaxial test undisturbed soil sample preparation device, which solves the technical problems of large errors and low precision of the existing true triaxial instruments.

[0025] The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] The present invention provides a true triaxial test undisturbed soil sample preparation device, comprising a bottom plate 1, a top plate, an upper rotating disk 6, a lower rotating disk 2, a cylinder, a small needle, a clamping groove 4, a snap ring 5 and an adjusting plate 8;

[0027] The bottom plate 1 and the top pla...

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Abstract

The invention belongs to the technical field of the testing machine, and especially relates to a true triaxial test undisturbed soil sample preparation device. The invention provides a true triaxial test undisturbed soil sample preparation device. The preparation device comprises a base plate, a roof, an upper rotary disc, a lower rotary disc, fine needles, necks, cylinders, snap rings, and regulating plates; the base plate is connected with the roof through the cylinders, and the base plate and the roof are vertical to the cylinders; the lower rotary disc and the upper rotary disc are arranged at back-of-center locations of the base plate and the roof; multiple fine needles are inserted into the lower rotary disc; multiple necks are arranged on the base plate; the regulating plates are arranged between the roof and the base plate through the necks; the snap rings are arranged on the lower rotary disc at the interval of 90 DEG. The invention provides a true triaxial test undisturbed soil sample preparation device, and the technical problem that the existing true triaxial instrument is large in error and low in precision is solved.

Description

technical field [0001] The invention belongs to the technical field of testing machines, and in particular relates to a true triaxial test undisturbed soil sample preparation device. Background technique [0002] The true triaxial test of geotechnical engineering is to make a cubic cylinder of the sample taken from the soil indoors, and then directly apply different stresses to the cubic sample from the three directions of X, Y and Z through the true triaxial test system. , Realize the real triaxial force, used to study the complex loading process, principal stress rotation phenomenon, plane strain and other complex triaxial force conditions. [0003] According to the principle of mechanics, any object is subjected to forces from three directions of X, Y, and Z, which are called major principal stress, intermediate principal stress and minor principal stress respectively, and are represented by symbols σ1, σ2, and σ3. In the actual rock and soil environment, the three princ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N3/08
Inventor 李锦城李子聪
Owner GUANGDONG UNIV OF TECH
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