| 管节点国产化疲劳性能的试验研究 |
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| 引用本文： | 高仁良,黄承逵.管节点国产化疲劳性能的试验研究[J].大连理工大学学报,1994,34(5):578-582,605. |
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| 作者姓名： | 高仁良 黄承逵 |
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| 作者单位： | Dept. of Civil Enginering，DUT |
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| 摘 要： | 介绍了国产海洋用钢（Ｚ向钢）焊接Ｔ型管节点疲劳试验的过程和成果．试验对Ｔ型管节点的应力集中系数、应力分布、疲劳寿命及裂纹扩展进行了详细测量，经过分析得到Ｔ型管节点实测应力集中系数的经验公式、疲劳Ｓ－Ｎ曲线及裂纹扩展规律．试验结果表明国产Ｚ向钢、国内焊接工艺和加工制造的焊接管结点有较好的疲劳性能，为我国海上平台国产化提供了依据．
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| 关 键 词： | 管节点 疲劳试验 Z向钢 疲劳性能 |
Experimental research of homemade tubular joint on fatigue property |
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| Gao Renliang,Huang Chengkui,Yang Guoxian.Experimental research of homemade tubular joint on fatigue property[J].Journal of Dalian University of Technology,1994,34(5):578-582,605. |
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| Authors: | Gao Renliang Huang Chengkui Yang Guoxian |
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| Abstract: | This paper intreduces the process and result of fatigue test of steel(Z direction steel)welded T tubular joints used in offshore engineering.Detailed measurelnent of stress concentration fac-tor,stress distribution ,fatigue life and crack development has been performed. Through analysis,an empirical formula of stress concentration factor for T tubular joints, fatigue S-N curve and crack propagation rule are obtained. |
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| Keywords: | tubular joint stress distribution fatigue life fatigue test |
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