| 下穿既有高速公路工程方案的比选及探讨 |
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| 引用本文： | 周恒,王立波,林晨,陈浩. 下穿既有高速公路工程方案的比选及探讨[J]. 现代交通技术, 2013, 0(5): 15-18 |
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| 作者姓名： | 周恒 王立波 林晨 陈浩 |
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| 作者单位： | 江苏交通规划设计院股份有限公司;江苏交通规划设计院股份有限公司;江苏交通规划设计院股份有限公司;江苏交通规划设计院股份有限公司 |
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| 摘 要： | 随着我国城市化进程的快速推进,城市道路下穿既有高速公路的工程方案成为了研究重点.文章结合依托工程,对U型槽＋桥梁、明挖现浇箱涵结构、箱涵结构明顶及箱涵结构暗顶4种下穿方案进行了技术经济比选及探讨,最终选择明顶施工方案,其分析过程及结果可供类似工程参考.
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| 关 键 词： | 城市道路 下穿方案 方案比选 明顶施工 箱涵 |
Discussion on Scheme Comparison and Selection for The Project Undercrossing Existing Expressway |
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| Zhou Heng,Wang Libo,Lin Chen,Chen Hao. Discussion on Scheme Comparison and Selection for The Project Undercrossing Existing Expressway[J]. Modern Transportation Technology, 2013, 0(5): 15-18 |
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| Authors: | Zhou Heng Wang Libo Lin Chen Chen Hao |
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| Affiliation: | (Jiangsu Province Communications Planning and Design Institute Co., Ltd., Nanjing 210005, China) |
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| Abstract: | With the rapid development of urbanization in our country, the project of urban road undercrossing existing expressway is becoming research focus. Based on the project, this paper discusses four undererossing schemes as follows： U shaped channel with bridge, box culvert with open cut and cast-in-situ construction, box-culvert with open jacking and hidden jacking construction, in which box-culvert with open jacking scheme is the final choice. The analysis process and results could be taken as reference for similar projects. |
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| Keywords: | urban road undercrossing scheme scheme comparison and selection open jacking construction box-culvert |
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