Mixture because of its high strength, widely distributed, with large reserves and also facilitate construction as a quality fill. has been widely used roads, dams and infrastructure for the filling. At present, the additional stress caused by the original settlement of the foundations already mature methods, such as layering summation. But filling the deformation, such as dams, roads, etc., so that no more mature methods of calculation. In practical engineering, physics simulation, usually through reverse the mechanical parameters. then analysis of geotechnical structures, numerical analysis of stress and deformation. Geotechnical structure of the physical simulation, the first condition is to ensure the prototype model of the same stress level. According to the modern theory of relativity, gravity and inertia are equivalent, and the acceleration due to the soil without changing the nature of change. Geotechnical centrifuge model test is used to produce a prototype model material, the use of high-speed rotating centrifuge. Gravity n times more than the model imposed by the centrifugal force. Scale model outdoors as compensation for the losses caused by the gravitational stress, the stress level is reached with the same prototype. Stress in the prototype, the visual study of the deformation and damage processes prototype, This model can be reproduced in the original geotechnical structures traits. Therefore, the centrifugal gravity simulation technology to run on the main loads are particularly effective geotechnical structures, great attention at home and abroad to speed up the development of [1-8]. However, due to complex geotechnical centrifuge model test equipment, test work and effort and time-consuming, long cycle, Most research works only against individual models of the prototype, the laws are rarely carried out pilot studies. A combination of these problems, this study rock foundation Settlement, a different degree of compaction. different particles of soil moisture content and different centrifuge model, explored the rocky embankment settlement deformation characteristics. 2 centrifuge model test the basic tenets and principles of centrifugal model test equipment 2.1 as described in the introduction, geotechnical centrifuge model test will be placed in a high-speed rotating geotechnical centrifuge model. Centrifugal acceleration is greater than the acceleration due to gravity model for the bear, compensate for the scaled model of the geotechnical structures, the loss of self, The prototype model of stress and thereby maintain the same or similar. It has usually static (acceleration of gravity) closer to the actual conditions of the physical simulation. Geotechnical Centrifuge generally axis Chuck, hanging baskets and powertrain components and measuring equipment, Figure 1 for matrix.
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