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首页> 外文会议>6th International conference on advanced composite materials in bridges and structures 2012 >ANCHORAGE OF FRP-TO-CONCRETE BONDS WITH DRY AND IMPREGNATED FRP ANCHORS
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ANCHORAGE OF FRP-TO-CONCRETE BONDS WITH DRY AND IMPREGNATED FRP ANCHORS

机译：干燥和浸渍FRP锚固的FRP至混凝土粘结

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摘要

In order to enhance the level of usable strain of fibre-reinforced polymer (FRP)-to-concrete bonds, mechanical anchorage can be utilised. Anchors made from FRP, which are known as FRP anchors amoungst other names, are an effective form of anchorage as they are made of FRP and they can be applied to FRP-strengthened structural elements of large surface area such as slabs and walls. Despite the increasing attention being devoted to research and application of FRP anchors in FRP-strengthened reinforced concrete (RC) members, there are still considerable knowledge gaps which are hindering the development of appropriate rational analytical models and design procedures. This paper investigates two fundamental issues pertaining to FRP anchors, .namely (i) method of manufacture of anchor (i.e. dry and impregnated methods), and (ii) influence of fibre type (i.e. glass and carbon fibres). The influences of these variables are determined from tests on single-shear FRP-to-concrete joint assemblies which have been anchored with a single FRP anchor. In total, 15 joints tests are reported herein (including three unanchored control joints) and the behaviour, failure modes, and load-slip responses are provided. Finally, a discussion of the significance of the test results in the relation to the anchorage of FRP-strengthened RC members is presented.
机译：为了提高纤维增强聚合物（FRP）到混凝土粘结的可用应变水平，可以利用机械锚固。由FRP制成的锚（在其他名称中被称为FRP锚）是一种有效的锚固形式，因为它们是由FRP制成的，并且可以应用于FRP加固的大表面积结构构件，例如板和墙。尽管人们越来越关注FRP加固钢筋混凝土（RC）构件中FRP锚的研究和应用，但是仍然存在相当多的知识空白，这阻碍了适当的合理分析模型和设计程序的发展。本文研究了与FRP锚有关的两个基本问题，即（i）锚的制造方法（即干法和浸渍法）和（ii）纤维类型（即玻璃纤维和碳纤维）的影响。这些变量的影响是通过对已用单个FRP锚锚固的单剪FRP到混凝土接头组件的测试确定的。总共报告了15个关节测试（包括三个非锚定的控制关节），并提供了行为，失效模式和载荷滑移响应。最后，讨论了测试结果与FRP加固的RC构件的锚固关系的重要性。

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