| 既有线下增建立交桥架空方案的比选 |
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| 引用本文： | 延力强,孙学先.既有线下增建立交桥架空方案的比选[J].山西建筑,2008,34(29). |
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| 作者姓名： | 延力强 孙学先 |
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| 作者单位： | 兰州交通大学土木工程学院,甘肃,兰州,730070 |
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| 摘 要： | 针对某一工程实例讨论了工字钢组合梁与D形便梁架空线路方法的比选,得出了工字钢组合梁结构简便,易于安装、拆卸、运输,更有利于保证铁路限界,节约人工、材料的结论.
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| 关 键 词： | 桥涵 既有线 架空方法 |
The scheme comparison of constructing additional multi-level crossing bridge on existed line |
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| YAN Li-qiang,SUN Xue-xian.The scheme comparison of constructing additional multi-level crossing bridge on existed line[J].Shanxi Architecture,2008,34(29). |
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| Authors: | YAN Li-qiang SUN Xue-xian |
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| Affiliation: | YAN Li-qiang SUN Xue-xian |
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| Abstract: | This paper discussed the comparison between combination of I-beam girder and D-beam to overhead lines against a project.Draws a conclusion that the structure of the joist steel composite beams is simple,the joist steel composits beams are easy to be installed,to be dismantled and to be transported,beneficial to ensure the railway limit to save the cost of the labor and the materials. |
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| Keywords: | bridge existed line the methods of overhead |
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