| 混杂纤维复合材料加固混凝土梁的合理方法 |
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| 引用本文： | 蒋小青,熊光晶,刘金伟,严洲,李仕建.混杂纤维复合材料加固混凝土梁的合理方法[J].建筑技术开发,2003(3). |
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| 作者姓名： | 蒋小青 熊光晶 刘金伟 严洲 李仕建 |
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| 作者单位： | 汕头大学土木系 汕头515063
(蒋小青，熊光晶，刘金伟，严洲)，汕头大学土木系 汕头515063(李仕建) |
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| 基金项目： | 广东省自然科学基金资助项目 (0 2 12 45 ) |
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| 摘 要： | 提出玻璃纤维 (GF)有纬单向布和碳纤维 (CF)无纬单向布合理匹配 ,混杂加固混凝土梁的思路 ,并进行试验研究。结果表明相对碳纤维复合材料 (CFRP)加固方法 ,合理匹配的GF CF混杂纤维复合材料 (HFRP)加固法既能在保证承载力的前提下显著提高被加固构件的延性 ,又能显著降低加固成本 ,且刚度差别很小。
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| 关 键 词： | 混杂纤维复合材料 碳纤维布 玻璃纤维布 延性 |
RATIONAL METHOD TO STRENGTHEN CONCRETE BEAMS BY HYBRID FIBRE REINFORCED POLYMER |
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| Jiang Xiao\|qing\,Xiong Guang\|jing\,Liu Jin\|wei\,Yan Zhou\,Li Si\|jian.RATIONAL METHOD TO STRENGTHEN CONCRETE BEAMS BY HYBRID FIBRE REINFORCED POLYMER[J].Building Technique Development,2003(3). |
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| Authors: | Jiang Xiao\|qing\ Xiong Guang\|jing\ Liu Jin\|wei\ Yan Zhou\ Li Si\|jian |
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| Affiliation: | Jiang Xiao\|qing\ Xiong Guang\|jing\ Liu Jin\|wei\ Yan Zhou\ Li Si\|jian |
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| Abstract: | A method to strengthen concrete beams by using monodirectional glass fibre (GF) sheet with transverse fibres and monodirectional carbon fibre (CF) sheet without transverse fibres simultaneously was proposed. Test results showed that, compared with the CF reinforced polymer (CFRP) strengthening members, under the premise of assuring load carrying capacity, the hybrid fibre reinforce polymer (HFRP) strengthening concrete member had not only a higher ductility, but also a low cost;and the stiffness difference between the two kinds of strengthened members was little. |
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| Keywords: | Hybrid fiber reinforced polymer Glass fiber sheet Carbon fiber sheet Economy Ductility |
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