Dynamics Of Rail Transit Tunnel Systems

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Book excerpt: Dynamics of Rail Transit Tunnel Systems develops the dynamic theory of a rail transit tunnel system and provides research methods for the evaluation of long-term settlement of rail transit tunnels in soft soil, the service performance of tunnel structures, and the characterization of environmental vibration induced by trains. In recent years, a large number of rail transit tunnels have been constructed and put into operation, particularly in China. To evaluate the time-dependent degradation of tunnel structures and train-induced environmental vibration, a reliable model must be established to determine the dynamic response of a vehicle-track-tunnel-soil system, hence the introduction of this timely resource. Provides full theoretical background to help the reader gain an in-depth understanding of the various methods used for dynamic analysis of a rail transit tunnel system Develops the dynamics theory and method of a rail transit tunnel system under the context of challenging engineering problems Presents methods for analyzing the dynamic responses of rail transit tunnel-soil systems Looks at problems that need to be solved in the future and proposes potential directions for future research