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VISUAL INTERFACE-BASED DIRECT SHEAR APPARATUS CAPABLE OF TAKING TEMPERATURE AND SEEPAGE EFFECT INTO CONSIDERATION
VISUAL INTERFACE-BASED DIRECT SHEAR APPARATUS CAPABLE OF TAKING TEMPERATURE AND SEEPAGE EFFECT INTO CONSIDERATION
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机译：基于可视界面的直接剪切装置，能够考虑温度和渗流效果
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摘要
A visual interface-based direct shear apparatus capable of taking the temperature and seepage effect into consideration comprises a main body (1) of the direct shear apparatus, a detachable seepage module (2), a temperature action module (3), and a visual high-resolution particle capturing module (4). The main body (1) of the direct shear apparatus uses two servo systems for a tangent direction and normal direction to achieve interface direct shear testing under a normal boundary having a constant stress, constant stiffness, and constant volume. A normal boundary condition of the main body (1) of the direct shear apparatus primarily relies on displacement and force signals fed back by a normal servo motor, thereby achieving normal boundary control at a constant volume, constant stress, and constant stiffness. The direct shear apparatus enables a normal boundary having a constant stress, constant stiffness, and constant volume, takes soil seepage erosion-shearing and temperature-shearing into consideration, and combines a means of visual high-resolution capturing, thereby allowing in-depth studies of shear strength characteristics at a structure interface before and after seepage of soil mass and before and after a temperature cycle, and of a micro-mechanism of particle migration at the interface.
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