| 体外预应力束在桥梁施工中的应用 |
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| 引用本文： | 檀宗斌.体外预应力束在桥梁施工中的应用[J].公路交通技术,2005(4):107-109. |
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| 作者姓名： | 檀宗斌 |
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| 作者单位： | 石家庄市公路桥梁投资开发管理中心,河北,石家庄,050000 |
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| 摘 要： | 太旧高速公路武宿立交桥跨石太铁路段采用单点顶推法施工工艺，由于预制平台处地基沉降导致顶推持力台产生倾覆变形。本文简要介绍了采用体外预应力束加固顶推持力台的技术构思和施工方案，为处理施工过程中类似问题提供了新的选择与实践经验。
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| 关 键 词： | 单点顶推 体外预应力 加固 工艺 |
| 文章编号： | 1009-6477（2005）04-0107-03 |
| 收稿时间： | 2004-09-15 |
| 修稿时间： | 2004年9月15日 |
Application of External Prestressed Tendons to Bridge Construction |
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| TAN Zong-bin.Application of External Prestressed Tendons to Bridge Construction[J].Technology of Highway and Transport,2005(4):107-109. |
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| Authors: | TAN Zong-bin |
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| Abstract: | The section of WusuInterchange Spanning Shi-TaiRailway on Tai-Jiu Expressway was constructed by using the direct incremental launching method. The bearing platform for incremental launching resulted in inclination deformation because of the foundation settlement of the precast platform. This paper briefly introduces the technical conceptions and construction schemes of the tendons, which would be helpful for bridge construction.bearing platform strengthened by external prestressed |
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| Keywords: | direct incremental launching external prestress strengthening construction technology |
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