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《Chinese Journal of Underground Space and Engineering》 2007-06
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Numerical Simulation of the Effects of Spall-resistant Steel Panel for Underground Structure under Impulsive Loads

QIAN Yue-hong,TANG De-gao,LIU Ji-jun,JIANG Peng-fei,QU Xia(Engineering Institute of Corps of Engineers,PLA Univ.of Sci.&Tech.,Nanjing 210007,China)  
The concrete structure with or without steel panel is simulated by the software ANSYS/LS-DYNA.Based on the analysis of the results of these two cases,the rule of element'sσyat different position is presented,and it shows that the steel panel can effectively reduce the maximal σy of the element adjacent to the steel panel,and can postpone the arriving time within the simulation time.At the same time,the simulation reveals that the boundary effects don't affect the spalling in the similar structure presented in this paper.Simulative results will provide reference for the design and construction of related projects.
【CateGory Index】: TU398.9
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