Assembled size-changeable double-face shear apparatus
A technology of double-sided shearing and variable size, which is applied in the direction of instruments, test material strength and measuring devices by applying stable shear force, which can solve the unevenness of the shearing surface, the inability to realize the size change of the sample, and the reduction of double-sided Surface shear test and other problems, to achieve the effect of light weight, low cost and easy processing
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[0052] Such as Figure 1 to Figure 15 As shown, the assembled type variable-size double-sided shearing instrument of the present invention includes the standard size of the laboratory direct shear test. After artificially setting the double-shearing surface, several Double-sided shear tests were carried out under vertical loads.
[0053] First, use a steel plate with a thickness of 2.5 cm to manufacture eight sets of sample box rigid components 40 numbered ① to ⑧, that is, the thickness of the sample box rigid component 40 used to form the upper shear box 41 and the lower shear box 42 is 2.5 cm. cm, each set of sample box rigid assembly 40 is composed of four concentric steel rings, the outer edge of the outermost steel ring is a square, with a side length of 27 cm, and the center of the center is taken out as a cylinder with a diameter of 20 cm. Thereby forming a hollow ring 1, the hollow ring 1 is provided with bolt holes 408, followed by a hollow ring 2 with an outer diame...
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