抄録
In order to develop available rescue devices, it is necessary to make them run in various types of rubble and evaluate their mobility statistically. However, the evaluation under collapsed houses in real world is not enough. Therefore, our research group has enabled to create a lot of piles of virtual rubble model by physical simulation and to get their quantitative characters by methods based on geometric models. This study has established a method to structure internal working space for rescue devices as a path network. In addition, this study suggests a method to evaluate largeness of inside space through which rescue devices can access from outside space of rubble with Gareki-space Migratory Difficulty Index.
