Tsinghua University

Xinzheng Lu

Zhen Xu

Qing Jiang

A method and device for city-scale nonlinear time-history analysis. The method comprises: acquiring building data; obtaining a model type corresponding to the building data according to the building data; establishing a multiple mass shear series model or a multiple mass shear-flexural parallel model corresponding to the building data according to the model type corresponding to the building data; performing nonlinear history analysis according to time history data of ground motion acceleration from each building through the multiple mass shear series model or the multiple mass shear-flexural parallel model, to obtain a nonlinear history analysis result; obtaining a seismic damage state and an analysis result of each story of each building according to the nonlinear history analysis result.

Method and device for city-scale nonlinear time-history analysis

An impact resisting column assembly of train station is provided. The column assembly includes: a column (); an encasing steel plate () wrapping about the column (); a rigid jacket () having a rectangular cross-section, fitted over the encasing steel plate () and spaced apart from the encasing steel plate (); and mild steel energy dissipators () disposed between a first side () of the encasing steel plate () and a first side () of the rigid jacket (), and between a second side () of the encasing steel plate () and a second side () of the rigid jacket (), in which the first and second sides () are parallel with each other and perpendicular to an extension direction of a railway () in the train station, and the first and second sides () are parallel with each other and perpendicular to the extension direction.

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Beijing, China

Xinzheng Lu