| 赤石大桥关键技术研究及对策 |
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| 引用本文： | 吴国光.赤石大桥关键技术研究及对策[J].中南公路工程,2013(6):1-5,16. |
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| 作者姓名： | 吴国光 |
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| 作者单位： | 湖南省高速公路建设开发总公司,湖南长沙410000 |
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| 基金项目： | 【基金项目]交通运输部企业技术创新项目（2013315Q06120）;湖南省交通运输厅科技项目（201252） |
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| 摘 要： | 赤石大桥桥址位于湖南省宜章县，大桥建设条件复杂，造型设计新颖，工程难度大，具有多塔、大跨、高墩的特点。为解决大桥设计和施工中的技术难题，对超高墩大跨多塔预应力混凝土斜拉桥结构体系、复杂岩溶地区桥梁基础选型及施工工艺、双曲线索塔设计及施工技术等关键技术进行了研究和探索。
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| 关 键 词： | 斜拉桥 多塔 高墩 抗风 双曲线型桥塔 岩溶 群桩基础 |
The Research on Key Technologies and Countermeasures for Chishi Bridge |
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| WU Guoguang.The Research on Key Technologies and Countermeasures for Chishi Bridge[J].Central South Highway Engineering,2013(6):1-5,16. |
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| Authors: | WU Guoguang |
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| Institution: | WU Guoguang (Hunan Province Department of Transportation, Changsha, Hunan 410000, China) |
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| Abstract: | Chishi Bridge, is located in Yizhang county, Hunan province, within poor geologic condition, original structural design and construction difficulty. The bridge has high pies, long spans, and multi-towers. The challenges in design and construction of the bridge will be overcome, based on re- search for high pies, long spans, and multi-towers pre-stress concrete cable-stayed bridges structural sys- tem, research for foundation types selection and foundation construction in developing karst areas, and research for design, mechanic theorY and construction of hyperbolic towers. |
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| Keywords: | cable-stayed bridge multi-tower high pier wind-resistant hyperbolic tower devel- oping karst pile group foundation with piles of different lengths |
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