| 合川车站超大跨双联拱明洞设计 |
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| 引用本文： | 胖涛.合川车站超大跨双联拱明洞设计[J].隧道建设,2007,27(3):47-50. |
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| 作者姓名： | 胖涛 |
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| 作者单位： | 中铁二院工程集团有限责任公司,成都,610031 |
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| 摘 要： | 合川车站超大跨双联拱明洞位于遂渝铁路合川车站站场填方内，明洞全长71.5m，洞门为斜切式，单孔内轮廓净宽17.32m，双联拱结构最大宽度达45.2m，拱顶填土高约9m，为大跨度高填方公路与铁路立交明洞，主要介绍该明洞主体结构设计。
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| 关 键 词： | 合川明洞立交明洞超大断面双联拱大跨度明洞设计 |
| 收稿时间： | 2007-05-10 |
| 修稿时间： | 2007-05-10 |
Design of Doublearch Opencut Extralarge Span Tunnel for Hechuan Station |
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| PANG Tao.Design of Doublearch Opencut Extralarge Span Tunnel for Hechuan Station[J].Tunnel Construction,2007,27(3):47-50. |
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| Authors: | PANG Tao |
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| Institution: | China Railway Eryuan Engineering Group Co. , Ltd. , Chengdu 610031, China |
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| Abstract: | Located in the fill of Hechuan Station Yard on Sui-Yu Railway Line, the double-arch open-cut extra-largespan tunnel for Hechuan Station is a large-span high-filled highway-railway separate grade open-cut tunnel. The tunnel has a total length of 71.5 m, truncated portals, 17.32 m inner net clearance width of single span, 45.2 m maximum width of the double-arch structure and 9 m filling depth on the top of the crown. This paper introduces the design of the main structure of this open-cut tunnel. |
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| Keywords: | Hechuan open-cut tunnel separate grade open-cut tunnel extra-large cross section double-arch large span design of open-cut tunnel |
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