研究目的：为了研究三维设计在轨道交通建筑中的应用与前景，本文以天津站交通枢纽轨道换乘中心工程综合管线设计为应用研究对象，采用了专项课题研究的方法，对包括项目选择、三维建模、设计流程、碰撞检测等各个环节均进行了分析和研究，并进行了系统的归纳、总结。
研究结论：通过天津站综合交通枢纽的应用研究，得出以下结论：（1）三维设计软件仍需增加功能，方可替代二维设计软件系统；（2）协同工作流程在工作制度制度保障下，比传统工作流程更具优势；（3）本文研究成果可为今后设计、施工及运营中采用三维设计及BIM系统(建筑信息模型)提供实施经验。
Research purposes: In order to study the application and prospect of 3D design in rail transit construction, this paper takes integrated pipeline design of transportation hub orbit transfer center project in Tianjin Station as an object of study. It adopts the method of the special subject research, analyzing several links including project selection, 3D modeling, design process, and collision detection. It also conducts a systematic summary.
Research Conclusions: From the study of Comprehensive Transportation Hub in Tianjin Station，it is concluded: (1) Three-dimensional design softwar's functionality need to be increased, before the two-dimensional design software systems can be substituted. (2) Collaborative workflow has more advantages than traditional workflow only in a guaranteed operating system. (3) It can provide an implementation experience for the application of 3D design and BIM (building information model ) in future design, construction and operation.
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