基于IFC的BIM火灾建模技术研究  

Research on IFC-based BIM modelling for fire analysis

作　　者：陈勇鑫 史健勇[1] 陈明[1,2] 

机构地区：[1]上海交通大学船舶与建筑工程学院,上海200240 [2]新城控股集团股份有限公司,上海200240

出　　处：《消防科学与技术》2017年第10期1371-1373,共3页Fire Science and Technology

基　　金：上海市科技创新行动计划项目(15DZ1203400)

摘　　要：为提高传统火灾模拟方法的信息化程度和数据管理能力,研究了如何将IFC标准描述的建筑构件几何形体和材料信息转换为火灾分析模型,并将火灾模拟结果存入IFC文件中。将IFC标准中的拉伸形体采用分层转化的方式转化为火灾模型,复杂的边界表达形体使用三角面片的转换方式;IFC标准中材料的转换可采用直接法或材料数据库的方式,以材料数据库作为参照库可使材料信息转换更为全面;火灾模拟结果可以组成属性集,通过反属性拓展方式与构件关联,最终存入IFC文件中。In order to promote the information process and dala utilization rate of traditional fire simulation method, the process of converting geometries and materials of IFC building componems into a fire analysis model and storing the analysis results into IFC flies were studied. The stretched body of IFC standard can be divided into several layers and then converted to a fire analysis model while the boundary expression body can be converled to a fire analysis model by being divided into triangular patches. Direct conversion and material library can both be used for material conversation, and using material library as reference library can have more comprehensive material information, The fire simulation data can compose a set of attribuies which are associated with the elements by reverse attribule expansion method, and stored in the IFC file.

关 键 词：IFC标准 BIM模型 火灾分析模型 

分 类 号：X921[环境科学与工程—安全科学] TU205[建筑科学—建筑设计及理论]