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本文着重研究了侧向约束对门式刚架弹性稳定的影响,导出侧向约束的近似计算公式,并在此基础上给出了考虑侧向约束时门式刚架柱计算长度的计算图表。
This paper focuses on the study of the influence of lateral restraints on the elastic stability of the portal frame, and derives the approximate calculation formula of the lateral restraint. Based on this, the calculation chart of the calculated length of the portal frame is given.