- 摘 要
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郭 勇 孫炳楠 郭 健 （浙江大學(xué)土木系 杭州 310027）葉 尹 應(yīng)建國 （浙江省電力設(shè)計院 杭州 310000）
[提要] 通過對足尺模型試驗數(shù)據(jù)和有限元模型計算數(shù)據(jù)的分析，利用應(yīng)力集中系數(shù)的方法對使用節(jié)點板連接的K型鋼管節(jié)點的局部應(yīng)力進(jìn)行了研究，并擬合了應(yīng)力集中系數(shù)的計算公式。該公式可以直接應(yīng)用于K型
鋼管節(jié)點的局部應(yīng)力設(shè)計。
[關(guān)鍵詞] 節(jié)點板連接 K型節(jié)點 基準(zhǔn)應(yīng)力 峰值應(yīng)力 應(yīng)力集中系數(shù)Through the data analysis of full-size models and FEM models,research about the stress concentrations in K-joints of tube-gusset plate connections has been done with the method of stress concentration factor. And the regression equation that can be directly used in the process of design is educed.
Keywords: tube-gusset plate connections; K-joints; stress concentration factor參 考 文 獻(xiàn)
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2．陳鐵云，陳伯真，彈性薄殼力學(xué). 華中工學(xué)院出版社，1993
3．西田正孝著，李安定，郭廷瑋等譯. 應(yīng)力集中. 機械工業(yè)出版社，1986．
4. Karamanos S A, Romeijn A, Wardenier J.Stre.ss concentrations in tubular gap K-joints: mechamcs and fatigue design. Engineering Structures,2000,(22).
5. Kim W B. Ultimate strength of tube-gusset plate connections considering eccentricity. Engineering Structures, 2001,( 23)
