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首页> 外文会议>International Conference on Advances in Building Technology Vol.1, Dec 4-6, 2002, Hong Kong, China >REHABILITATION OF REINFORCED CONCRETE COLUMNS BY EXTERNAL PLATE BONDING
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REHABILITATION OF REINFORCED CONCRETE COLUMNS BY EXTERNAL PLATE BONDING

机译：外板粘结修复钢筋混凝土柱

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摘要

Rehabilitating reinforced concrete elements using external steel plates has been applied to both beams and slabs in bridge and building construction over the last two decades. The effect of applying external steel plates increases the strength of beams and slabs. This technique can also be applied to reinforced concrete columns to increase their strength with a minimal increase in the cross-sectional dimensions of the member. This paper presents an experimental programme used to ascertain the behaviour of both short and slender columns. These columns had steel plates bonded to them by the use of both bolting or gluing and bolting. A simplified theoretical model based on composite construction techniques is then presented and calibrated with the experiments to determine the strength increase and recommendations for further research are then made. Furthermore, recent research on the compressive behaviour of carbon fibre reinforced plastic (CFRP) plates and their effects on rehabilitating reinforced concrete elements is also discussed.
机译：在过去的二十年中，使用外部钢板修复钢筋混凝土构件已应用于桥梁和建筑物的横梁和平板。施加外部钢板的效果增加了梁和板的强度。该技术还可以应用于钢筋混凝土柱，以在最小程度增加构件横截面的情况下增加其强度。本文介绍了一种用于确定短柱和细长柱行为的实验程序。这些柱具有通过使用螺栓连接或粘合和螺栓连接而结合到其上的钢板。然后，提出了一种基于复合材料施工技术的简化理论模型，并通过实验对其进行了校准，以确定强度的增加，并提出了进一步研究的建议。此外，还讨论了碳纤维增强塑料（CFRP）板的压缩性能及其对修复钢筋混凝土构件的影响的最新研究。

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