| 碳纤维加固预应力混凝土结构试验研究 |
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| 引用本文： | 吴锋,时蓓玲,俞立新.碳纤维加固预应力混凝土结构试验研究[J].中国港湾建设,2009(2):41-43. |
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| 作者姓名： | 吴锋 时蓓玲 俞立新 |
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| 作者单位： | 中交上海三航科学研究院有限公司,上海,200032 |
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| 摘 要： | 主要研究了碳纤维制成织物片材粘贴到预应力混凝土构件表面用于结构补强与加固的技术特点，并分别对预应力混凝土构件在完好和破损状态下的加固效果进行了对比试验研究，分析了不同使用状态下的构件碳纤维加固对其破坏特征及承载力、刚度等方面的影响。试验结果表明：碳纤维加固预应力混凝土构件能有效的提高截面承载力，约束裂缝的发展，加固端部采用环形箍能较好地防止碳纤维剥离破坏的发生。
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| 关 键 词： | 预应力混凝土结构 碳纤维布 加固 |
Experimental Study of Prestressed Concrete Structure Strengthened with CFRP Sheets |
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| WU Feng,SHI Bei-ling,YU Li-xin.Experimental Study of Prestressed Concrete Structure Strengthened with CFRP Sheets[J].China Harbour Engineering,2009(2):41-43. |
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| Authors: | WU Feng SHI Bei-ling YU Li-xin |
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| Institution: | CCCC Shanghai Third Harbour Engineering Science &Technology Research Institute Co.;Ltd.;Shanghai 200032;China |
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| Abstract: | The paper mainly introduces the technology of fixing carbon fiber reinforced plastic(CFRP) sheets or fabrics to the surface of prestressed concrete components to strengthen structure and the comparison tests and study of the strengthening effect of CFRP on damaged and sound prestressed concrete components.The influence of CFRP in difference usage upon the failure pattern,bearing capacity and stiffness of prestressed concrete components is analyzed.The experimental results indicate that the CFRP strengthenin... |
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| Keywords: | reinforced concrete structure CFRP strengthening |
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