一种经济且可大幅提高梁补强量的加固方法——拉压区同时用GFRP/钢板加固梁的抗弯试验研究与应用

An economical strengthening method which can drastically heighten ultimate moment——the study and application of strenthening beam with GFRP and steel plate in both compression zone and tension zone

提出了一种经济且可大幅度提高钢筋混凝土梁补强量的加固方法———梁的拉压区同时使用GFRP/钢板进行加固,明确了加固设计步骤和相关公式。加固工程实施后,进行了5根梁的现场试验,经过整理分析,达到了理想的加固效果。

In this study, an economical strengthening method is suggested which can drastically heighten ultimate moment of reinforced concrete beam strengthened with GFRP and steel plate in both compression zone and tension zone .The strengthening design steps and relate fomula are presented. Five beams selected by practical strengthening engineering are tested in construction site .From the analysis of experiment result we can know that the strenthening is very ideal.