2022, 14(1): 97-104. doi: 10.16670/j.cnki.cn11-5823/tu.2022.01.12
基于Grasshopper的轨道线路左右线高差检查方法研究
林同棪国际工程咨询(中国)有限公司,重庆 401121 |
Research on Inspection Method of Elevation Difference of Double Track Line Based on GH
T. Y. Lin International Engineering Consulting(China)Co., Ltd., Chongqing 401121, China |
引用本文:
张瑞, 彭美华, 余文文, 吴坤. 基于Grasshopper的轨道线路左右线高差检查方法研究[J]. 土木建筑工程信息技术,
2022, 14(1): 97-104.
doi: 10.16670/j.cnki.cn11-5823/tu.2022.01.12
Citation:
Rui Zhang, Meihua Peng, Wenwen Yu, Kun Wu. Research on Inspection Method of Elevation Difference of Double Track Line Based on GH[J]. Journal of Information Technologyin Civil Engineering and Architecture,
2022, 14(1): 97-104.
doi: 10.16670/j.cnki.cn11-5823/tu.2022.01.12
摘要:在轨道交通线路设计过程中,需要严格控制并行地段左右线高差。基于传统CAD的设计检查方法需要设计人员不断查询各基准断面处两线的高程,再计算高差,工作繁琐,且精度不高。针对这一问题,本文结合BIM设计软件Rhino,基于可视化编程平台Grasshopper设计了轨道线路左右线高差检查方法,并对该方法的可靠性进行了验证。在重庆18号线金鳌寺车辆段出入线高差检查过程中,采用本文提出的方法和传统方法所得到的结论一致,这表明该方法是有效的,同时也说明利用BIM技术对模型中的数据进行分析和处理,对于提高线路设计的工作效率是有一定帮助的,有利于轨道交通线路设计向参数化、精细化设计转型。
Abstract: In the design process of railway project, it needs to strictly control the difference of altitude between two parallel lines. The traditional method based on CAD will require designers to keep inspecting the altitude in base section of two lines for the calculation of difference, which will cause heavy workload and low accuracies.For addressing this problem, this paper is combing Rhino, which is a BIM design software, with the visual programming plugin Grasshopper to design a method to inspecting the altitude difference between two lines, and the reliability of the method are being verified. This method is being used in the JinAo Temple segment of Line 18 in Chongqing Metro, and the proposed solution has achieved the same results compare with the traditional methods, which has validated the effectiveness of the new method. Meanwhile, it also shows that the data analysis and process by using BIM technology can help to improve the efficiencies of railway project, which can lead to the adoption of parametric and lean design.
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