EXPERIMENTAL STUDY ON FIRE PERFORMANCE OF RC BEAMS STRENGTHENED WITH CFRP GRIDS

摘要：

　　The use of carbon fiber-reinforced polymer(CFRP)grids has been established as a simple and innovative method for flexural strengthening of reinforced concrete(RC)beams.In this strengthening technique,the CFRP grids are encased with the polymer mortar.As CFRP is known to be susceptible to deterioration at elevated temperature,the fire performance of RC members strengthened with CFRP grids has been an issue of significant concern,particularly for building applications.In order to evaluate the feasibility of achieving a fire-rated CFRP grids strengthening system,an experimental program was conducted to examine and document the performance of RC beams strengthened with CFRP grids under fire conditions.Test results on fire indicated that the CFRP grids strengthening system provided good fire resistance performance,moreover,the CFRP grids strengthened RC beams can achieve structural fire resistance ratings as specified in building design codes.

关键词： fiber-reinforced polymer RC Beams strengthening CFRP grids fire tests

作者: Z.Q.Liu Q.R.Yue R.Li X.B.Chen

作者单位: Central Research Institute of Building and Construction Co.,Ltd.MCC,33 Xitucheng Road Beijing,P.R.Ch Central Research Institute of Building and Construction Co.,Ltd.MCC,33 Xitucheng Road Beijing,P.R.Ch

会议类型: 国际会议

会议名称: the Sixth Asia-Pacific Conference on FRP in Structures (APFIS2017)(第六届亚太纤维增强复合材料结构工程国际会议暨第十届全国建设工程FRP应用学术交流会)

会议地点: 新加坡

会议语种:英文

页码: 1-4

在线出版日期: 2017-07-19（万方平台首次上网日期，不代表论文的发表时间）