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Carbon Fibre Reinforced Polymers in Bridge Engineering

机译：桥梁工程中的碳纤维增强聚合物

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From where are we coming, and to where are we going with Carbon Fibre Reinforced Polymersrn(CFRPs) in bridge engineering? CFRPs have been used starting 1991 in practical applications forrnbridge rehabilitation. Since about 2000 this class of materials is accepted for post-strengthening inrnmost countries. Due to quick and easy application techniques and therefore less labour hours, it is inrngeneral more economic to post-strengthen a bridge with expensive CFRPs instead of steel. ThernR&D work for CFRP cables has been initiated in 1980. World’s first CFRP stay cables wererninstalled in 1996. From the technical point of view CFRP cables are very successful, however notrnfrom the economic side. As long as not the whole life cycle of a bridge will be considered, CFRPrnwill not replace steel for such applications. Solutions are discussed to overcome this hurdle. If in thernfar future very long span bridges will be needed, CFRPs will be instrumental for such constructions.
机译：桥梁工程中的碳纤维增强聚合物（CFRPs）从哪里来？到哪里去？从1991年开始，CFRP已在实际应用中用于桥梁修复。自大约2000年以来，此类材料被强化后的大多数国家所接受。由于快速，简便的应用技术，从而减少了劳动时间，因此用昂贵的CFRP（而不是钢）来加固桥梁通常更为经济。 CFRP电缆的研发工作始于1980年。世界上第一条CFRP斜拉电缆于1996年安装。从技术角度来看，CFRP电缆非常成功，但从经济角度来看并非如此。只要不考虑桥梁的整个生命周期，CFRPrn都不会代替钢用于此类应用。讨论了克服这一障碍的解决方案。如果在不久的将来需要非常长的跨度桥梁，则CFRP将有助于此类建筑。

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