Abstract
A new kind of fully prefabricated subway station is developed in Changchun, China. This study investigates the failure mechanisms of these stations subjected to medium internal blast loading. A series of numerical simulations are carried out using the finite element program LS-DYNA. From the results, the damage and failure of the station are progressive and occur when the main event of blast loading is over. The distribution of casualties is presented in the subway station. Results show that the joints of the fully prefabricated stations can help reduce the damage of the underground stations.
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