Device and method for testing double contact cyclic shear of flexibly-tensioned geomembrane and soil
A technology of shear test and geomembrane, which is applied in the direction of measuring device, strength characteristics, and test material strength by applying repeated force/pulsation force, which can solve the problems of inability to simulate the cyclic shear behavior of geomembrane and soil contact surface, test error, Unable to realize automatic cycle shear test and other problems
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[0037] The present invention will be described in detail below in conjunction with the accompanying drawings and application examples.
[0038] Such as figure 1 As shown, a flexible stretched geomembrane and soil double-sided contact cyclic shear test device includes a rigid base plate 1, and a reaction force frame 2 is fixed on the rigid base plate. The rigid base plate located in the reaction force frame is from bottom to bottom The lower shear box 3, the geomembrane shear frame 24 and the upper shear box 4 are arranged in sequence on the upper side, the lower shear box 3 is filled with the lower shear box soil sample 23, and the upper shear box is parallel to the two ends of the shear direction The side roller 7 is connected to the baffle plate 6, and the baffle plate is connected to the reaction force frame through the rigid connecting rod 8. The upper shear box is filled with the upper shear soil sample 22, and the force transmission plate 5 is placed on the surface of th...
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