| 特殊平面线形与纵断面线形组合设计分析 |
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| 引用本文： | 姚占勇,张伟,孙西运. 特殊平面线形与纵断面线形组合设计分析[J]. 山东大学学报(工学版), 1999, 0(4) |
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| 作者姓名： | 姚占勇 张伟 孙西运 |
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| 作者单位： | 山东工业大学土木工程系!济南250061(姚占勇)，济宁市公路局(张伟)，菏泽市公路局(孙西运) |
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| 摘 要： | 从保证行车安全、视觉连续、心理舒适的角度分析了 Ｓ型、卵型、凸型等特殊平面线形与纵断面线形的组合设计问题提出了因受地形、地物限制，特殊平面线形与竖曲线重合时的合理组合方案和技术指标，并给出了平、竖曲线不宜组合在一起时应错开的最短距离，为公路的线形设计提供了参考
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| 关 键 词： | 公路线形 平曲线 竖曲线 透视 |
DISCUSION OF COMBINING DESIGN FOR SPECIAL PLANE ALIGNMENT AND PROFILE ALIGNMENT |
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| Yao Zhanyong Zhang Wei Sun Xiyun. DISCUSION OF COMBINING DESIGN FOR SPECIAL PLANE ALIGNMENT AND PROFILE ALIGNMENT[J]. Journal of Shandong University of Technology, 1999, 0(4) |
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| Authors: | Yao Zhanyong Zhang Wei Sun Xiyun |
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| Abstract: | Discusses the designing problems combining the special plane alignment,such as S type,Protrud type,Ovum type ect. With the profile alignment from the angle of pledging safe driving,visual comtiuity and psychological comfort. It is usually not suitable to combine special plane aligmment with profile alignment,but if special plane alignment coincide with profile alligmment because of topograph or surface features limit,the combining desing plans and technological targets are given. If it is impossible to combine plane alignment with profile alignment,this paper also gives the shortest distance between them. The results will be useful for highway alignment designing. |
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| Keywords: | Highway alignments Horizonal curves Vertical curves Perspective |
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