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首页> 外文会议>17th Annual Interantional Bridge Conference and Exhibition; Jun 12-14, 2000; Pittsburgh, Pennsylvania, USA >Strengthening of Reinforced and Prestressed Concrete Members Using: CFRP Laminates and Bars
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Strengthening of Reinforced and Prestressed Concrete Members Using: CFRP Laminates and Bars

机译：钢筋混凝土和预应力混凝土构件的使用：CFRP层压板和钢筋

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摘要

The strengthening of reinforced and prestressed bridges to accommodate new loading conditions and problems arising from design or construction defects is not a new concept to engineers. However, utilizing high strength, lightweight and corrosion resistant carbon fiber reinforced polymer (CFRP) composites in place of traditionally bulky, heavy and corrosion prone steel is new to most engineers. To date a significant focus has been placed on the use of CFRP composites in terms of column wrapping for seismic retro-fit and therefore engineers are less familiar with the capabilities of CFRP laminates and bars. The intent of this paper is to provide the engineer an overview of how CFRP laminates and bars can be externally bonded, embedded near the surface or prestressed to improve bridge capacity and serviceability.
机译：对于工程师而言，加固钢筋桥和预应力桥以适应新的荷载条件和因设计或施工缺陷而引起的问题并不是一个新概念。但是，对于大多数工程师来说，使用高强度，轻便和耐腐蚀的碳纤维增强聚合物（CFRP）复合材料代替传统的笨重，易腐蚀的钢是新手。迄今为止，在用于地震翻新的柱包裹方面，已经将重点放在CFRP复合材料的使用上，因此工程师对CFRP层压板和钢筋的功能不太熟悉。本文的目的是为工程师提供有关如何将CFRP层压板和棒材进行外部粘结，嵌入表面附近或对其进行预应力以提高桥的承载能力和可维修性的概述。

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