【摘要】 随着避难时间的推移,群众的避难需求表现出逐级上升的层次性,由此决定了应急避难场所在选址和空间布局时应当考虑层次性和及其结构特征。在将应急避难场所划分为临时避难场所、短期避难场所和中长期避难场所三个层次,并进一步探讨避难需求与应急避难场所的层次性关系的基础上,揭示了应急避难场所的层次结构在空间上表现出的单一流、嵌套和非空间一致性的特点。更多还原

【Abstract】 The feature of people’s evacuation needs that are improved gradually along with the evacuation time going decides the hierarchy stucture of emergency shelters in location and spatial distribution.This paper firstly defines three types of hierarchical emergency shelters as temporary shelter,short-term shelter and long-term shelter.Based on the analysis of relation between evacution needs and hierarchy structure of emergency shelters,the paper reveals the characteristics of single-flow,nested services and spatial no-coherency in hierarchy stucture of emergency shelters.更多还原