Static And Dynamic Interaction Analysis Of Rock Slope Subgrade With Frame Structure And Raft Foundation

Our country is located in the Eurasian plate, Pacific plate and the Indian Ocean plate boundary zone, where earthquakes often occurred. With the process of urbanization in mountainous city, large numbers of buildings need to be build on the slope subgrade. Interaction of rock slope subgrade with superstructure and foundation under static and seismic action become a realistic and important research project in geotechnique practice. By using the theoretic method and numerical simulation, this article takes an example of rock slope foundation and frame structure and the raft foundation, talking about the combination of the three’s static and dynamic analysis, the main work is as follows:①Based on the ANSYS Parametric Design Language, compiled the "rock slope foundation, raft foundation, framework structure interaction dynamic analysis" modeling and solving program.②In order to decrease the the reflection of incident wave when vibrating, Settings the spring- damper unit(combin14)in two sides of the batholith that perpendicular to the seismic profile, establishing the viscoelastic artificial boundary.③In structural mechanics based on the basis of traditional design method, from the perspective of interaction, considering the degeneration of the upper structure-foundation- foundation coordination, analysis the mechanism of the three combination. In the rigid foundation and foundation of elastic-plastic static analysis, the main slope position shift are discussed under different foundation rigidity and basal counterforce distribution.④In combination of the dynamic analysis, modal analysis of the upper framework to obtain the basic characteristics of the structure vibration and related parameters.⑤In the action of seismic wave, analyzing the time history analysis of the system, discussing the slope rock mass strength, slope and the influence of different seismic fortification intensity of joint action.⑥ Through the static and dynamic analysis of rock slope foundation, raft foundation, framework structure, getting the combination of the relevant conclusions, and providing some reference for practical engineering.