摘要
对地铁限界设计、校核工作进行了分析、研究，提出了一种利用计算机技术进行该项工作的新思路，并详细介绍了适合这种新方法的ＣＡＤ系统的建立过程及设计方法。
The paper analysed and studied the characteristies of design and check of underground railway limits.A new computer-technology-based conception for design and check of underground railway limits was put forward in the paper.The building process and design method of CAD system used for the new conception was also described comprehensively.
