期刊
COMPOSITES PART B-ENGINEERING
卷 39, 期 7-8, 页码 1093-1103出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2008.05.002
关键词
laminates; polymer-matrix composites (PMCs); strength; analytical modeling; mechanical testing
资金
- Korea Institute of Construction and Transportation Technology Evaluation and Planning [05 CTRM D06]
- High-tech Urban Development Program
Application of carbon fiber-reinforced polymer (CFRP) is one of the effective strengthening methods for structural members such as reinforced concrete columns and beams. However, air voids and debonds between CFRP and concrete due to poor workmanship may degrade the structural performance otherwise expected by the strengthening. In order to minimize such debonds and ease the installation, the authors propose to wrap compressive concrete members with narrow strips of CFRP laminates with spacing. This paper focuses on an experimental study to investigate the effectiveness of applying the narrow strips of CFRP laminates. In this study, 60 concrete cylinders wrapped with CFRP strips having different spacings and widths are tested under compression load. The effects of several key parameters such as spacing, spliced length, number of layers, and section area of the CFRP laminates are investigated. In addition, stress-strain curves of pre-damaged specimens wrapped with CFRP laminates are also focused. Based on the experimental results, constitutive models of concrete confined by narrow strips of CFRP laminates are proposed. (c) 2008 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据