纤维增强复合材料加固混凝土结构安全度水准分析

玻璃钢/复合材料 ›› 2016, Vol. 0 ›› Issue (6): 64-67.

纤维增强复合材料加固混凝土结构安全度水准分析

吴毅彬^1,2,许丽华²

1.厦门理工学院土木工程与建筑系,厦门361024;
2.同济大学结构工程与防灾研究所,上海200092

收稿日期:2015-12-21 出版日期:2016-06-28 发布日期:2016-06-28
作者简介:吴毅彬(1982-),男,工学博士,高级工程师,主要从事工程抗震与防灾、结构鉴定与加固方向的研究,53686090@qq.com。
基金资助:
上海市“扬帆计划”科研课题项目(14YF1414800);上海市人才发展资金计划(2014031);上海市青年科技启明星项目(13QB1404300)

THE SAFETY DEGREE OF RC STRUCTURE STRENGTHENEDWITH FIBER REINFORCED POLYMER

WU Yi-bin^1,2, XU Li-hua²

1.Department of Civil Engineering and Architecture, Xiamen University of Technology, Xiamen 361024, China;
2.Research Institute of Structural Engineering and Disaster Reduction, Tongji University, Shanghai 200092, China

Received:2015-12-21 Online:2016-06-28 Published:2016-06-28

摘要/Abstract

摘要： 为进一步了解纤维增强复合材料(FRP)加固混凝土结构的安全度水准,在对现有荷载-抗力分项系数表达式及FRP加固混凝土结构相应分项系数归纳、分析的基础上,对中、美两国规范中FRP-混凝土结构不同破坏模式下关于安全度的设计方法进行了探讨。结果表明,中国规范的承载力安全度水准普遍低于美国规范,综合抗力系数计算值的变化趋势未能反映加固构件性能水平与所需安全储备之间的关系。并针对中国规范中存在的问题提出后续研究建议。

关键词: 纤维增强复合材料, 混凝土结构, 加固, 安全度

Abstract: In order to further understand the safety degree of RC structure strengthened with fiber reinforced polymer (FRP), the safety degree of the Chinese code (GB50608) and the American guildline (ACI440) are discussed. Based on reviewing on the load and reisitence factor expression and the resistance factors in different reports. It shows that the safety degree of Chinese code is lower than American guildline, the resistance factors can not well express the relationship between the performance of strengthening structure and the safety margin. Thus, some suggestions for furture research are put forward to solve the problems existing in current Chinese code.

Key words: fiber reinforced polymer, concrete structure, reinforcement, safety degree

中图分类号:

TB332

吴毅彬,许丽华. 纤维增强复合材料加固混凝土结构安全度水准分析[J]. 玻璃钢/复合材料, 2016, 0(6): 64-67.

WU Yi-bin, XU Li-hua. THE SAFETY DEGREE OF RC STRUCTURE STRENGTHENEDWITH FIBER REINFORCED POLYMER[J]. Fiber Reinforced Plastics/Composites, 2016, 0(6): 64-67.

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