碳纤维布加固混凝土桥面板受弯性能试验研究
- 摘 要
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胡孔国1 岳清瑞1 叶列平2 孙 燕3(1 国家工业建筑诊断与改造工程技术研究中心 北京 100088; 2 清华大学土木系 北京 100084; 3 中国矿业大学北京校区 100081)[提要] 通过碳纤维布加固混凝土梁和未加固梁模型的受弯性能对比试验,研究了初始弯矩大小对极限承载力、刚度、裂缝形态的影响,为碳纤维布加固混凝土桥面板工程的实际应用提供了依据。
[关键词] 初始弯矩 加固试验 碳纤维布The study on the flexural behavior of the beams strengthened with carbon fiber sheets is conducted by comparing with a control beam. The effect of initial moment on the load capacity, the stiffness and the configuration of crack is also studied.
Keywords: initial moment; strengthening experiment; carbon fiber sheet