Simulation of wooden house collapse prediction in a whole city using the ASI-Gauss code



During the 2011 off the Pacific coast of Tohoku Earthquake and the 2016 Kumamoto Earthquake have caused devastating damages, collapsing lots of wooden houses. Restoration and reconstruction after these huge disasters delayed removing a large amount of debris including collapsed house members. It is estimated that the same-scale earthquakes and accordingly tsunamis in the Nankai Trough region will be happen. Therefore, it is very important not only estimating the tsunami run-up in advance but also risk management such as evaluating the total amount and spread of debris, securing rescue routes, and temporary rubble storage sites. In this study, the wooden house collapse simulation is conducted with the ASI-Gauss code, which is one of the large deformation FEM code with the Timoshenko beam element. In addition, the ASI-Gauss code is enhanced in order to simulation large scale city models. Then, validation of a wooden house collapse simulation is confirmed by comparing it with the past damage survey results.

PDF file