Abstract:
Two-step mobile search method is one of the important methods in the research of spatial accessibility of public service facilities and has been widely used in the research of layout of public service facilities at home and abroad. The urban area of Hohhot was selected as the research area, and the two-step mobile search method was used to study the accessibility of emergency shelter. The results show that:(1)the emergency shelter is not evenly distributed in the urban area of Hohhot, and many streets have no emergency shelter;(2)The accessibility service level of refuge places in The urban area of Hohhot is lower, and the accessibility service level of central and northern streets is higher than that of southwest streets.