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Prediction of FRP debonding using the global-energy-balance approach

机译:使用全球能源平衡方法预测FRP脱胶

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摘要

A major research programme was carried out to analyse the mechanism of fibre-reinforced polymer (FRP) debonding from concrete beams using the global-energy-balance approach (GEBA). The analyses developed in the study provide an essential tool that will enable fracture mechanics to be used to determine the load at which FRP plates will debond from concrete beams. This obviates the need for finite-element analyses in situations where reliable details of the interface properties and crack-tip stress fields are not obtainable for an accurate analysis. This paper presents an overview of the GEBA analyses that is described in detail elsewhere, and explains the slightly unconventional assumptions made in the analyses.
机译:进行了一项主要研究计划,以使用全球能量平衡法(GEBA)分析纤维增强聚合物(FRP)从混凝土梁上脱粘的机理。该研究开发的分析提供了一种必不可少的工具,该工具将使断裂力学能够用于确定FRP板将从混凝土梁上脱粘的载荷。在无法获得界面属性和裂纹尖端应力场的可靠细节以进行精确分析的情况下,这消除了对有限元分析的需要。本文介绍了GEBA分析的概述,该分析在其他地方进行了详细介绍,并解释了分析中所做的稍微非常规的假设。

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  • 来源
    《Magazine of Concrete Research》 |2012年第11期|p.1033-1044|共12页
  • 作者单位

    University Lecturer in Structural Engineering, Infrastructure Group, Engineering and the Environment, University of Southampton, Southampton, UK;

    Reader of Concrete Structures and Head of the Structures Group, Department of Engineering, University of Cambridge, Cambridge, UK;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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