工程设计学报Issue(2)：172-179,8.DOI:10.3785/j.issn.1006-754X.2014.02.012
HPFL 加固受火 RC梁抗剪性能研究
Study on RC beams'shear behavior strengthened with HPFL
摘要
Abstract
Combined with an engineering example and experiment data ,theoretical formula of the reinforced concrete (RC ) beam's shear capacity with high-performance ferrocement laminate (HPFL) after fire was deduced and verified .Considering the impacts on the strength of concrete and steel , the calculation model was put forward on the basis of domestic and international scholars'research on the changes of concrete's and steel's strength after fire .It was assumed that there was no relative slipping between steel and concrete and the tensile strength of concrete was ignored .Combined with the limit equilibrium principle ,the softening of concrete compressive strength under the condition of the tensile strain was considered .Regardless of the coupling ac-tion of temperature-stress ,the equivalent section method was adopted on the basis of truss-arch model .The results show that this method of reinforcement significantly improves the shear ca-pacity of the reinforced beam .The calculation results are in good agreement with the experimen-tal ones .The results can be referenced for beams strengthened with high-performance ferroce-ment .关键词
高性能复合砂浆钢筋网/火灾/抗剪/加固Key words
high-performance ferrocement laminate/fire/shear/strengthening分类
建筑与水利引用本文复制引用
曾令宏,晋东亮..HPFL 加固受火 RC梁抗剪性能研究[J].工程设计学报,2014,(2):172-179,8.基金项目
国家自然科学基金青年基金资助项目（51108173）． （）
