Structural plane controlled side slope wedge block unstable sliding physical model test platform and use method thereof
A technology of physical model and test platform, applied in the field of geotechnical engineering, to achieve the effect of low manufacturing difficulty, simple structure and simple test operation process
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Embodiment 1
[0036] see figure 1 , the wedge-shaped body is formed by cutting the rock mass with two structural planes, and the intersection line of the two structural planes is the structural plane intersection line. The slip direction occurs along both faces. There are differences in the occurrence and shear strength parameters of the two sliding surfaces, and the anti-sliding effects on the wedge are also different. Therefore, this embodiment aims at the technical deficiencies in the current physical simulation process of wedge-shaped block instability and deformation of rock slopes, and discloses a structural surface control slope wedge-shaped block instability and sliding physical model test platform, which can simulate different spaces of wedge-shaped blocks Unstable sliding process of wedge-shaped block under the condition of position and interlayer of structural plane with different thickness and mechanical characteristics of materials.
[0037] see figure 2 , the physical mode...
Embodiment 2
[0043] This embodiment also discloses a method for using the physical model test platform for controlling the instability and sliding of the slope wedge-shaped block described in Embodiment 1, including the following steps:
[0044] 1) see Figure 5 , choose barite powder, quartz sand, gypsum and water according to the mass ratio of 66:10:10:14 to make wedge-shaped block samples.
[0045] 2) Keep the test platform level by adjusting the feet 702 .
[0046] 3) Adjust the inclination angle of the tilt table 2 to 0°, adjust the angle of the wing plate 1 and the inclination angle of the structural panel 101 to the angle required for the test and fix them.
[0047] 4) In this embodiment, mixed sand, clay, and talcum powder are selected as similar materials for the weak interlayer, and are prepared according to the mass ratio of 10:7:3 (c=1.69kPa, φ=18.7°), and according to the dry density of 1.9g / cm 3 Lay it evenly and flatly on the two structural panels 101 with a thickness of...
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