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钢梁稳定性再研究:国内近年的研究成果和建议(Ⅳ)
A RESTUDY ON STABILITY OF STEEL BEAMS: RECENT RESEARCHES IN CHINA AND SUGGESTIONS( Ⅳ)
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摘要: 简要介绍我国近年来对钢梁稳定性的研究成果,总结钢梁稳定性的一般规律,提出设计公式中应考虑可靠指标的要求,最后得出钢梁稳定系数公式建议,并与GB 500172014《钢结构设计规范》报批稿进行对比。Abstract: It was introduced recent studies in China on the instability of steel beams，summarized the widely accepted conclusions from study on beam instability，and stated the demand required by the safety index to codify the beam stability factors． A new formula，named as modified ECCS curve，is proposed for the beam stability factor and a comparison between suggested and a currently used curves on beam stability factors is presented．
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Key words:
- steel beam /
- stability /
- reliability /
- hot-rolled section /
- welded section
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