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Performance evaluation of innovative composite pedestrian bridge
Structures ( IF 4.1 ) Pub Date : 2020-05-16 , DOI: 10.1016/j.istruc.2020.05.010
Saima Ali , David Thambiratnam , Xuemei Liu , Sabrina Fawzia

Light and slender pedestrian bridges which emerged as a result of new material technology and advanced computational techniques, are increasingly used to cater to the architectural and aesthetic demands of the communities. It is a very challenging task to satisfy the current code requirements on the dynamic performance of such bridges which are made of lighter composite materials. This paper attempts to explore new and innovative lighter and durable composite material compositions for a simply supported pedestrian bridge deck by considering hybrid Carbon fiber reinforced polymer (CFRP)/Glass fiber reinforced polymer (GFRP) as a bottom layer and cement composite/laminated glass as top layer. Features such as aesthetics, light weight, cost effectiveness, durability and ease of installation were considered during the selection of different composition of composite material. The overall performance of the developed innovative pedestrian bridge with the proposed materials and composition satisfy all the requirements of standard bridge design codes for safety and serviceability, and hence will contribute towards efficient and cost-effective pedestrian transport.



中文翻译:

新型复合式人行天桥的性能评估

由于新的材料技术和先进的计算技术而出现的轻巧细长的人行天桥越来越多地用于满足社区的建筑和美学要求。满足当前由更轻的复合材料制成的桥梁的动态性能要求是一项非常具有挑战性的任务。本文尝试通过将混合碳纤维增强聚合物(CFRP)/玻璃纤维增​​强聚合物(GFRP)作为底层,并将水泥复合材料/夹层玻璃作为基础,探索一种简单支撑的行人天桥桥面的新型轻质耐用复合材料。顶层。外观,重量轻,成本效益,在选择不同成分的复合材料时,要考虑其耐用性和易于安装。具有建议的材料和成分的已开发创新型人行天桥的总体性能满足有关安全性和可服务性的标准桥梁设计规范的所有要求,因此将有助于实现高效和具有成本效益的人行交通。

更新日期:2020-05-16
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