Progressive Collapse Simulation of Underground Structure under Internal Blast Loading

Abstract:

Much research has been directed at the progressive collapse of the over-ground structures under free air burst loading in recent years, while less work has been stressed on the progressive collapse of the underground structures, which subjected to internal blast loading. A proposed method is presented in this paper to simulate the progressive collapse of one underground reinforced concrete frame under internal blast loading, which is using LS-DYNA. The numerical results indicate that the proposed method is more accurate and timesaving, compared with alternative load path method (ALPM) and direct simulation method (DSM).

• Periodical: Applied Mechanics and Materials (Volumes 90-93)
• Pages: 3097-3101
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.90-93.3097
• Online since: September 2011
• Authors: Li Tian, Mei Hua Zeng
• Keywords: Blast in Closed Space, Progressive Collapse, Soil-Structure Dynamic Interaction, Underground Structure

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