門式剛架輕型房屋鋼結(jié)構(gòu)設(shè)計(jì)的幾點(diǎn)問題
饒芝英
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饒芝英
（浙江大學(xué)土木系 杭州 310027）[提要] 比較了梁柱軸線取法不同對內(nèi)力分析結(jié)果的影響，對門式剛架穩(wěn)定性計(jì)算的各有關(guān)問題進(jìn)行了詳細(xì)的計(jì)算分析，提出了簡化計(jì)算公式，可供設(shè)計(jì)人員參考。對內(nèi)力分析采用一階和二階方法產(chǎn)生的差別也進(jìn)行了討論。
[關(guān)鍵詞] 門式剛架 穩(wěn)定性 楔形桿件The effect on the internal forces when different line modes are used for the porter frames with tapered
members is studied. Detailed procedure is presented to determine the effective length of tapered columns in the frames. Comparison is carried out to know the second order effect in porter frames.
Keywords: porter frame; stability; tapered member; second order effect
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