| 连云港海棠路下穿铁路立交桥设计 |
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| 引用本文： | 李伟,陈明长,张乃乐.连云港海棠路下穿铁路立交桥设计[J].石家庄铁道学院学报(社会科学版),2010(4):81. |
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| 作者姓名： | 李伟 陈明长 张乃乐 |
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| 作者单位： | 中铁咨询集团 济南院;石家庄铁道大学 工程力学系;中铁咨询集团 济南院 |
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| 摘 要： | 某桥位于软土地区，下穿多股道铁路，采用顶进施工，钢便梁架空线路进行防护，线间人工挖孔灌注桩基础，设计顶进工作坑时，利用旋喷桩及灌注桩相结合的方式对基坑进行围护，保证基坑在稳定性及侧向位移等方面的安全要求，该桥设计可为类似工程提供参考。
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| 关 键 词： | 下穿立交 框架桥 顶进 基坑围护 |
| 收稿时间： | 2010/7/20 0:00:00 |
Design of Overpass Under passing Railway in Haitang Road of Lianyungang City |
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| Authors: | Li Wei Chen Mingzhang and Zhang Naile |
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| Abstract: | The bridge is located in soft soil area, under crossing multi tracks railway. With the method of pipe jacking construction and the technology of manual dig pouring pile, overhead steel beams are used for protection. The design of working pit ensures the security of foundation pit in stability and lateral displacement, and other respects, utilizing the combination of jet grouting pile and filling pile to guard the foundation pit. The design of the bridge provides a reference for similar projects. |
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| Keywords: | underpasses frame bridge jacking reinforcing of foundation pit |
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