基于IFC标准的实体扩展研究  

Entity Extension Research based on IFC Standard

作　　者：李恒 李红豫 Li Heng;Li Hong-yu

机构地区：[1]桂林理工大学土木与建筑工程学院,广西桂林541000

出　　处：《建筑技术开发》2020年第1期7-8,共2页Building Technology Development

基　　金：国家自然科学基金(51708147);广西自然科学基金(2017GXNSFBA198184)。

摘　　要：IFC标准是一套非常全面的数据交换和共享标准,通过定义实体类型及其属性,表达建筑信息。但由于工程项目信息的复杂性和多样性,IFC标准无法预定义所有的建筑实体类型,为解决上述问题,需要对尚未被定义的实体类型和实体属性进行增添和创建,对IFC标准进行扩展。通过对IFC标准扩展机制的研究,及对桥梁健康监测构件实体的成功扩展,验证了实体扩展的实际可行性。IFC standards is a comprehensive set of data exchange and sharing standards that express architectural information by defining entity types and their attributes. However,due to the complexity and diversity of engineering project information,the IFC standard cannot pre-define all building entity types.In order to solve this problem,it is necessary to add and create entity types and attributes that have not been defined yet. Through the study of IFC standard extension mechanism and the successful expansion of bridge health monitoring component entity,the practical feasibility of entity expansion is verified.

关 键 词：建筑信息模型 IFC标准 EXPRESS语言 IFC扩展 

分 类 号：TU17[建筑科学—建筑理论] U448.22[建筑科学—桥梁与隧道工程]