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Discrete material shearing device

A technology of shearing device and bulk material, which is applied in the direction of measuring device, analyzing material, and testing the strength of material by applying a stable shearing force, which can solve the problem that it cannot be applied well and cannot accurately simulate the shear failure of earthquake foundation. , low precision, etc.

Pending Publication Date: 2022-08-05
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among them, the soil direct shear device is a very common bulk mechanics test device. The existing soil direct shear device can only load a certain constant load, which does not match the changing load in engineering practice, and the accuracy is low, resulting in It cannot be well applied in actual engineering, and cannot accurately simulate engineering problems such as foundation shear damage caused by dynamic loads such as earthquakes and wave impacts. Therefore, a new type of bulk material shearing device is urgently needed to solve the above problems. question

Method used

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  • Discrete material shearing device
  • Discrete material shearing device
  • Discrete material shearing device

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Embodiment Construction

[0024] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

[0025] In the description of this application, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "outer", "Top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation , constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", and "third" a...

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Abstract

The invention relates to the field of testing devices, and discloses a discrete material shearing device which comprises a shearing box, a first driving mechanism, a second driving mechanism and a third driving mechanism, the shearing box is provided with an upper box body and a lower box body which are connected in a sliding mode, and the top of the upper box body is connected with the first driving mechanism; the left side of the upper box body is connected with a second driving mechanism, and the right side of the lower box body is connected with a third driving mechanism, so that the shear box bears acting force in multiple directions. The device has the beneficial effects that a sand sample for an experiment can be accommodated in the shearing box, dynamic shearing in three directions is realized through cooperation of the first driving mechanism, the second driving mechanism and the third driving mechanism, the engineering problem of foundation shearing damage caused by dynamic loads such as earthquakes and wave impact is simulated more accurately, and the experiment efficiency is improved. And different discrete material shearing scenes can be better restored.

Description

technical field [0001] The invention relates to the field of testing devices, in particular to a bulk material shearing device. Background technique [0002] Disperse materials include soil, sand and other substances with similar properties. Disperse mechanics is a discipline that studies the limit equilibrium and motion law of a particle aggregate under force. Among them, the soil direct shearing device is a very common bulk mechanical test device. The existing soil direct shearing device can only load a certain constant load, which is inconsistent with the changing load in engineering practice, and has low precision, resulting in It cannot be well applied in practical engineering, and cannot accurately simulate engineering problems such as foundation shear damage caused by dynamic loads such as earthquakes and wave impacts. Therefore, a new type of bulk material shearing device is urgently needed to solve the above-mentioned problems. question. SUMMARY OF THE INVENTION ...

Claims

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Application Information

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IPC IPC(8): G01N3/24G01N3/02
CPCG01N3/24G01N3/02
Inventor 党文刚白振超黄林冲马建军李响梁禹
Owner SUN YAT SEN UNIV
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