- 摘 要
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(1 中南林業(yè)科技大學(xué)土木建筑與力學(xué)學(xué)院，長沙 410004；2 武漢理工大學(xué)土木工程與建筑學(xué)院，武漢 430070)
［摘要］通過對冷彎薄壁圓鋼管的截面特點進行分析，針對軸壓構(gòu)件所用鋼材級別及柔度范圍的不同，分別推導(dǎo)了近似柔度λ0的計算公式。該公式簡捷直觀，能避免繁瑣的試算過程，可直接計算出滿足穩(wěn)定性要求的截面尺寸，使設(shè)計結(jié)果更趨合理。
［關(guān)鍵詞］冷彎薄壁型鋼；圓鋼管；軸壓構(gòu)件；穩(wěn)定性設(shè)計
Direct calculation method for stability design of circular cold-formed thin-wall steel tube under axially compressive force
Yuan Jian1, 2，Huang Taihua1，Jiang Cangru2 (1 School of Civil Engineering and Mechanics, Central South University of Forestry & Technology, Changsha 410004, China；2 School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China)
Abstract:Based on analyzing the cross-sectional characteristic of circular cold-formed thin-wall steel tube, formulas that can avoid repeated trial-calculation process were derived, which were applied to calculate approximate compliance (λ0) of different material and compliance ranges, and then the cross-sectional dimension meeting the requirement of stability design can be calculated directly. The calculated examples show that this method is simple and the design results are reasonable.
Keywords:cold-formed thin-wall steel; circular steel tube; members under axially compressive force; stability design
作者簡介：袁健，碩士，Email:yuanjian0571@tom.com。
參考文獻
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［2］GB50018—2002 冷彎薄壁型鋼結(jié)構(gòu)技術(shù)規(guī)范［S］.
［3］孫訓(xùn)方主編.材料力學(xué)［M］.北京:高等教育出版社,2002.
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