Multi-dimensional dynamic and static combined loading rock mechanics experiment device

Abstract

The invention relates to the field of rock mechanics experiments, in particular to a multi-dimensional dynamic-static combined loading rock mechanics experiment device. The device comprises a workbench, an adjusting mechanism, a one-dimensional horizontal dynamic and static combined loading mechanism, a lifting mechanism and a two-dimensional dynamic and static combined loading mechanism; the one-dimensional horizontal dynamic and static combined loading mechanism comprises a dynamic loading assembly and a static loading assembly, and the two-dimensional dynamic and static combined loading mechanism comprises a moving assembly, a horizontal loading assembly and a vertical loading assembly. According to the invention, the combined work of the dynamic loading assembly, the static loading assembly, the horizontal loading assembly and the vertical loading assembly is controlled to carry out experiments of different dimensions; adjustment is conducted through works of the adjusting mechanism, the lifting mechanism and the moving assembly, the positions of the one-dimensional horizontal dynamic and static combined loading mechanism and the two-dimensional dynamic and static combined loading mechanism are changed, therefore, rocks of different sizes can be conveniently fixed and experimented, and the experiments are further perfected.

Description

technical field [0001] The invention relates to the field of rock mechanics experiments, in particular to a multi-dimensional dynamic and static combined loading rock mechanics experiment device. Background technique [0002] Rock is a common geological material. Rock is not only an important object of mine and rock mining operations, but also widely used in various industries of national economic construction to study the mechanical properties and brittleness of rock under various complex loads. Breaking strength is the main basis for rock engineering design and excavation in mining, water conservancy and hydropower, civil construction, tunnels and underground structures. [0003] Patent 1: Chinese Patent No. CN200510032031.6 discloses a dynamic and static combined loading rock mechanics experiment device, including a fixed frame, the two ends of the test piece in the fixed frame are respectively provided with an incident rod and a transmission rod, and the outer end of the...

AI Technical Summary

Problems solved by technology

[0005] Both the above-mentioned patent 1 and patent 2 have deficiencies in the use process; first, patent 1 is to improve the principle of the Hopkinson rod, so as to realize the combination of dynamic and static loading of rocks, but this patent can only carry out one-dimensional research, Dynamic and static loads are applied from both sides of the rock. This research method is not perfect, and it is impossible to judge the influence of the rock on its mechanical properties when it is stressed in other dimensions. Second, the second patent is to use the distribution in x, y, z Three hydraulic cylinders in three directions apply force to the rock from three directions, and then conduct multi-dimensional experiments. However, this kind of experiment method can only test the mechanical properties of the rock under static load, and the experimental ability will not be perfect at that time; Third, both patent 1 and patent 2 need to cut the rock into a specified size before performing experiments on the equipment. However, whether the size of the rock will affect its mechanical properties also needs to be experimentally explored, resulting in patents 1 and 2. The second test is incomplete

Images