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首页> 外文会议>International Conference on Specialist Techniques and Materials for Concrete Construction, held at the University of Dundee, Scotland, UK on 8-10 September 1999 >Seismic performance of RC coumns laterally confined by carbon fiber reinforcing plastic tube
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Seismic performance of RC coumns laterally confined by carbon fiber reinforcing plastic tube

机译：碳纤维增强塑料管侧向约束的RC柱的抗震性能

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摘要

Widely carbon and aramid fibre sheets have been applied to seismically retrofit existing buildings and bridges because of their unique characteristics related to mechanical response and environmetnal durability. This paper summarizes the recent research developments of a new structural concept for the design of the hybrid RC columns with premanufactured Continuous Fibre Reinforced Plastic (CFRP) tube, where the CFRP tubes have the dual function of stay-in-place formwork and transverse reinforcement for the structural elements. The paper will discuss the elastoplastic behaviour of RC columns with CFRP tube subjected to lateral cyclic load and constant vertical load simultaneously through experimental and analytical research results. The hybrid column specimens illustrated excellent seismic performance in shear force versus lateral displacement hysteresis loops in spite of very slight bond slip in comparison to that of steel plate retrofitting one. And it is significant to develop the technology and application on circular and square tubes employing carbon or aramid fibre sheets.
机译：由于碳纤维和芳纶纤维板具有与机械响应和环境耐久性相关的独特特性，因此广泛应用于现有建筑物和桥梁的抗震改造。本文总结了一种新型结构概念的最新研究进展，该结构概念用于设计带有预制连续纤维增强塑料（CFRP）管的混合RC柱，其中CFRP管具有保持模板和横向钢筋双重作用。结构要素。本文将通过实验和分析研究结果，同时讨论CFRP钢管混凝土柱在侧向循环荷载和恒定竖向荷载作用下的弹塑性行为。与钢板改型相比，尽管结合滑动非常小，但混合柱试样在剪切力与横向位移磁滞回线之间却表现出出色的抗震性能。因此，开发在碳纤维或芳纶纤维薄板的圆管和方管上的技术和应用具有重要意义。

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