城市地下商业空间中的防灾广场设计

为保证地下商业空间中灾时人员的安全疏散，对防灾疏散因素进行研究，定量分析防灾广场的面积、位置等属性。在现行的建筑防火规范的基础上，针对火灾等灾害的特点，采用归纳、拟合、非线性规划等方法，确定防灾疏散各因素的量值或模型。结果表明，防灾广场的合理设计能保证地下商业空间中灾时人员的有效疏散。

Design of square for disaster prevention in urban underground commercial space

To guarantee people's safety in underground commercial space,the fact ors of evacuation were analyzed and the area and the location of squares for dis aster prevention were calculated. Based on present fire codes and aiming at the characters of fires,the factors of evacuation were confirmed by summarizing, im itating, non-linear programming and other methods. With appropriate square s f or disaster prevention,the problem of evacuation in underground commercial spac e was well solved. The method in this paper is suggested to meet the need for th e whole public underground space.