| 碳纤维布加固薄壁圆钢管轴心抗拉承载力有限元分析 |
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| 引用本文： | 张贵文,李俊杰,王秀丽.碳纤维布加固薄壁圆钢管轴心抗拉承载力有限元分析[J].甘肃科学学报,2012(1):32-36. |
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| 作者姓名： | 张贵文 李俊杰 王秀丽 |
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| 作者单位： | 兰州理工大学土木工程学院 |
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| 基金项目： | 国家自然科学基金资助项目(51068019) |
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| 摘 要： | 应用大型通用有限元软件ANSYS对CFRP布加固轴心受拉薄壁圆钢管进行了数值模拟计算,研究分析了4个因素,即CFRP布纵向加固长度比α、CFRP布厚度t、CFRP布弹性模量E以及CFRP布沿圆周加固方式,对钢管轴心抗拉极限承载力的影响及其规律.结果表明,经CFRP布纵向加固后的钢管杆件,其轴心抗拉极限承载力得到显著提高,加固效果优越.
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| 关 键 词： | CFRP布 加固 薄壁圆钢管 轴心抗拉承载力 有限元 |
Finite Element Analysis on Axial Tensile Bearing Capacity of Round Thin-walled Steel-tubes Strengthened with CFRP Sheets |
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| ZHANG Gui-wen,LI Jun-jie,WANG Xiu-li.Finite Element Analysis on Axial Tensile Bearing Capacity of Round Thin-walled Steel-tubes Strengthened with CFRP Sheets[J].Journal of Gansu Sciences,2012(1):32-36. |
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| Authors: | ZHANG Gui-wen LI Jun-jie WANG Xiu-li |
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| Institution: | (School of Civil Engineering,Lanzhou University of Science and Technology,Lanzhou 730050,China) |
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| Abstract: | Through the finite element software ANSYS,numerical simulation calculations of round thin-walled steel-tubes are made and the influence of four factors on ultimate axial tensile bearing capacity of steel-tubes are discussed.These factors are longitudinal strengthening length rate α,thickness t,elastic modulus E and strengthening ways along the circumference of CFRP sheets.The results show that the ultimate axial tensile bearing capacity of steel-tubes strengthened with CFRP sheets is increased significantly and the effects of reinforcement are good. |
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| Keywords: | CFRP sheet strengthening thin-walled round steel-tube axial tensile bearing capacity finite element |
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