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Numerical Simulation for Prediction of Existing Cavity Location on Earthquake-Induced Building Collapse
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  • Journal title : The Journal of Engineering Geology
  • Volume 25, Issue 4,  2015, pp.613-621
  • Publisher : The Korea Society of Engineering Gelolgy
  • DOI : 10.9720/kseg.2015.4.613
 Title & Authors
Numerical Simulation for Prediction of Existing Cavity Location on Earthquake-Induced Building Collapse
Jung, Jahe; Park, Hoon; Kim, Kwang Yeom; Shin, Hyu-Soung;
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The most urgent measure to be taken for a rapid rescue when a building collapse happens is to designate or predict a possible location where human beings are alive. It is, however, very difficult to find and correctly designate such cavities by conventional geophysical survey due to a pile of debris of building members. In this study, the simulation of building collapse induced by an earthquake was conducted to predict forming pattern of a existing cavities. The simulation cases included the influence of structure wall existence and height of building. Three types of building structure: five-story, ten-story and fifteen-story were prepared as a simulation case. In the case of high building, a collapse range on the inside of the building increased consequently lowering the possibility of lifeguard cavern forming. In addition, when a wall exists in the basement floor, the possibility that existing cavities could be formed increased compared to the cases without wall.
rapid rescue;existing cavity;collapse simulation;earthquake;
 Cited by
도심지 붕괴사고에 따른 매몰지역 생명선 시공기술 평가,유병현;강재모;이장근;김영삼;주낙봉;

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