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| 复曲线在地铁选线中的应用 | |
| 引用本文： | 郄久霞. 复曲线在地铁选线中的应用[J]. 都市快轨交通, 2015, 28(2): 57--60 |
| 作者姓名： | 郄久霞 |
| 作者单位： | 北京城建设计发展集团股份有限公司 北京100037 |
| 摘 要： | 阐明复曲线的概念及其在同向圆曲线间插入不完整缓和曲线的几何特性。在地铁选线中,通过综合比选分析,证明在地形条件受限的情况下采用复曲线可节省工程投资,阐述在土建施工结束后调线的特定情况下,地铁线路设置复曲线的设计思路。 |
| 关 键 词： | 地铁选线 回旋线 复曲线 缓和曲线 密切圆 |
| 修稿时间： | 2015-07-15 |
Application of Composite Curve in Subway Line Selection |
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| QIE Jiuxia. Application of Composite Curve in Subway Line Selection[J]. Urban Rapid Rail Transit, 2015, 28(2): 57--60 | |
| Authors: | QIE Jiuxia |
| Affiliation: | Qie Jiuxia;Beijing Urban Construction Design & Development Group Co.,Ltd.; |
| Abstract: | Abstract: in this paper, according to the geometric characteristics of incomplete easement curve between circular curves in same direction.Introduced the design ideas of setting composite curve, in the specific situation of the terrain restriction and adjustment line after construction.Combined with concrete example of project,introduces application of the composite curve in subway line selection. |
| Keywords: | line selection in subway clothoid composite curve easement curve osculating circle |
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