A Study on the Feasibility of an Intensive Urban Structure with Urban Disaster Prevention

Abstract

central government of Japan is promoting the compact cities against a backdrop of urban sprawl and declining population. On the other hand, the frequent natural disasters have caused disaster prevention to the urban planning However, it is hard for local municipalities to decide whether or not to consider disaster hazard zones, also it is not clear how to set up guiding zones that take these factors into account. The purpose of this study is to clarify the feasibility of an intensive urban structure with disaster preventions. As a result, it was found that the clearance of the high-risk disaster areas is not realistic because of high land price, therefore, cost benefit analysis between land price and clearance should be applied and considered the most beneficial result to the area.