Horizontal geotechnical plane stress triaxial apparatus for pressure chamber structure
A technology of plane strain and pressure chamber, which is applied in the field of geotechnical engineering, can solve the problems of difficult control and measurement of pore water and pore air pressure, and achieve the effect of simple and convenient test operation
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[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0027] The structure of the geotechnical plane strain triaxial instrument with a horizontal pressure chamber structure of the present invention includes three parts: a main machine part, a three-way stress loading and measuring mechanism, and an acquisition control mechanism. Among them, the host part is the core to realize the application of stress on the cuboid sample and the control of drainage conditions. The three-way stress loading and measuring mechanism includes large stress, small stress and medium stress loading and measuring mechanism. Through three sets of hydraulic cylinder mechanisms, large stress, small stress and medium stress are respectively applied to the sample. Each hydraulic cylinder is connected with A set of stepping motor drives the lead screw to push the hydraulic pressure source connection of the hydraulic cylinder ...
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