将建筑信息模型(BIM)用于地铁工程可大大提高地铁建设的项目管理水平。而BIM技术应用的首要任务是创建建筑信息模型。在分析现有建模技术不足及存在问题的基础上,以地铁工程为对象,应用BIM相关原理,并结合典型工程案例,研究运用BIM技术进行建模的过程,提出BIM模型需求分析的方法,给出了提高BIM模型准确度、提高BIM建模效率、提升BIM模型管理效率的关键建模技术,以及基于BIM的地铁工程建模流程及相关的实际应用要点,从而有效地解决了目前BIM建模工作中存在的模型准确度低、建模效率低等问题。
The application of BIM improves the level of metro construction management, and the first task of BIM application is to create a BIM model.On the basis of analyzing the deficiency and existing problems of the present modeling technology, this paper studied the metro engineering and researched the modeling process using BIM technology by applying BIM related theory and combining with representative project cases.The method of analyzing the requirements of BIM model, BIM-based key modeling technology of metro engineering to raise model accuracy, modeling efficiency and management efficiency, modeling procedure and its related practical key points were raised, which solved effectively many problems such as low accuracy of the model, low modeling efficiency etc existing in the present BIM modeling work.