适用于中国南方木构建筑的FDS火灾模拟建模方法  

The Modeling Methods of FDS Which Suit for the Fire of Timber Frame Building in South China

作　　者：兰震宇 李新建[1,2] Lan Zhenyu;Li Xinjian

机构地区：[1]东南大学建筑学院 [2]东南大学城市与建筑遗产保护教育部重点实验室

出　　处：《建筑与文化》2021年第2期237-238,共2页Architecture & Culture

基　　金：国家自然科学基金面上项目(项目编号:51678129);江苏省文物局科研课题(项目编号:2019SK03)。

摘　　要：文章介绍了适用于中国南方木构建筑的FDS火灾模拟建模方法,以期达到兼顾计算机模拟效率与可靠度的目的。以木结构承重构件的普遍尺寸确定了网格精度。文章分析已有的模拟门窗破碎与屋顶坍塌的方法的合理之处与不合理之处,通过结构计算与碳化速率计算得出屋面坍塌的条件。This paper introduces modeling methods of FDS which suit for the fire of timber frame building in south China for the purpose of achieving both the efficiency and reliability of computer simulation.The mesh precision is determined by the general dimensions of the load-bearing members of the timber structure.The reasonableness and irrationality of the existing methods of simulating doors and windows breakage and roof collapse are analyzed.The conditions of roof collapse were obtained by structure calculation and carbonization rate calculation.

关 键 词：传统木构建筑 火灾蔓延 FDS模拟 建模优化 

分 类 号：TU366.2[建筑科学—结构工程] TU312.3