Vibrating table testing method suitable for rock and soil slopes and model box

Abstract

The invention discloses a vibrating table testing method suitable for rock and soil slopes and a model box, and belongs to the field of experimental equipment. The vibrating table testing method comprises the following steps: determining the type of a to-be-tested model slope, and assembling the model box according to the type; building a slope die body corresponding to the type by utilizing the assembled model box; standing the built slope die body in the model box for 1 to 2 days; installing the model box with the slope die body by utilizing a vibrating table, and loading a corresponding seismic waveform. The model box is formed by assembling a base, an enclosure structure, a trapezoidal framework, horizontal stiffening ribs, a longitudinal stiffening rib, a hollow square pipe and a wall body. According to the model box disclosed by the invention, the functions of a laminar shear model box and a rigid model box can be respectively realized by regulating the tightness of the hollow square pipe arranged at the rear side of the model box, the model box can be respectively applied to vibrating table testing of soil and rock slopes, the side wall body is transparent, the slope die body can be conveniently manufactured, the damage situation of a test can be observed, and meanwhile, the model box has the characteristics that disassembling and assembling can be freely carried out, and the operation is flexible.

Description

technical field [0001] The invention belongs to the technical field of test equipment and relates to a test equipment, in particular to a shaking table test method and a model box suitable for rock and soil slopes, and is mainly used for shaking table tests on model slopes. Background technique [0002] With the increase of geological disasters induced by earthquakes in recent years, the research on the dynamic stability of slopes has been deepened, and the shaking table physical model test has become one of the important means to study the dynamic response of slopes and their instability modes. As an important equipment for slope shaking table test, the model box plays the role of transmitting the vibration load to the model slope. The existing model boxes mainly include layered shear deformation model boxes, solid-wall rigid model boxes, and flexible containers. However, layered shear deformation model boxes and flexible containers are mostly used for shaking table tests ...

AI Technical Summary

Problems solved by technology

However, there are few existing model boxes that can not only realize the layered shear deformation of sand and soil, but also be used for rock mass model tests; the model boxes are too heavy and difficult to move, which limits the convenience of slope model construction sex

In addition, there are considerable difficulties in the construction of slopes with different angles and shapes, which indirectly increases the test cost

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