| 预应力碳纤维加固RC梁挠度和裂缝计算 |
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| 引用本文： | 姜新佩,王小燕,刘丽娜.预应力碳纤维加固RC梁挠度和裂缝计算[J].河北工程大学学报,2008,25(4):10-13. |
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| 作者姓名： | 姜新佩 王小燕 刘丽娜 |
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| 作者单位： | 河北工程大学水电学院 |
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| 基金项目： | 国家111引智计划
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河北省建工新产品研究计划
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| 摘 要： | 提出预应力碳纤维布加固混凝土梁在不同阶段截面刚度及跨中挠度计算方法;利用传统钢筋混凝土理论推导平均裂缝间距及裂缝宽度计算公式。将理论计算结果与试验数据进行比较分析,结果表明,采用文中提出的简化公式计算的结果与试验结果吻合良好。
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| 关 键 词： | 预应力 碳纤维布 混凝土梁 挠度 裂缝宽度 |
| 收稿时间： | 2008/9/23 0:00:00 |
Calculation on deflection and crack width of RC beams strengthened with externally bonded prestressed CFRP sheets |
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| Authors: | JIANG Xin-pei WANG Xiao-yan and LIU Li-na |
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| Affiliation: | College of Water Conservancy and Hydroelectric Power,Hebei University of Engineering,Handan 056038,China;College of Water Conservancy and Hydroelectric Power,Hebei University of Engineering,Handan 056038,China;College of Water Conservancy and Hydroelectric Power,Hebei University of Engineering,Handan 056038,China |
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| Abstract: | The calculation method for section stiffness and mid-span deflection of pre-stressed capon fi- ber reinforcement concrete beam in the different stage was proposed; Calculation formula for average cracks distance and crack width were derived from the traditional reinfomxd concrete theories.Ihe calculated re- salts were compared with the test data, the results show that the value fr}n this simplified calculation for- mula is in good agreement with the experiment data. |
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| Keywords: | prestressing CFRP sheets RC beam deflection crack width |
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