| FRP筋混凝土梁短期刚度试验研究 |
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| 引用本文： | 吴锋,时蓓玲,卓杨. FRP筋混凝土梁短期刚度试验研究[J]. 中国港湾建设, 2010, 0(6): 31-33 |
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| 作者姓名： | 吴锋 时蓓玲 卓杨 |
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| 作者单位： | [1]中交上海三航科学研究院有限公司,上海200032 [2]上海交通大学,上海200030 |
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| 摘 要： | 开展了不同配筋情况下FRP筋增强混凝土结构抗弯性能试验,系统地研究了试验梁在各级荷载作用下刚度和挠度的变化规律,并分析了结构受力特性对刚度变化的敏感性,在试验的基础上,确定了FRP筋混凝土梁的短期刚度的理论计算公式。计算结果与试验结果符合良好。
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| 关 键 词： | FRP筋 短期刚度 挠度 |
Experimental Research on Short-term Stiffness of Reinforced Concrete with FRP Tendons |
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| WU Feng,SHI Bei-ling,ZHUO Yang. Experimental Research on Short-term Stiffness of Reinforced Concrete with FRP Tendons[J]. China Harbour Engineering, 2010, 0(6): 31-33 |
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| Authors: | WU Feng SHI Bei-ling ZHUO Yang |
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| Affiliation: | 1.Shanghai Third Harbour Engineering Science ＆ Technology Research Institute Co.,Ltd.,Shanghai 200032,China; 2.Shanghai Jiao Tong University,Shanghai 200030,China) |
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| Abstract: | The flexural capacity experiment of concrete with FRP tendons under different reinforcement conditions has been carried out.The change law of test beam stiffness under different load levels has been systematically studied.Furthermore,the sensitivity of structural mechanical performance to stiffness change has been analyzed and its effectiveness and feasibility have been proved by experiments.Based on the experiment,theoretical calculation formula of concrete with FRP tendons on short-term stiffness has been derived.The calculation results correspond with the experimental results. |
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| Keywords: | FRP tendon short-term stiffness deflection |
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