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乔 伟,陆道渊
(现代设计集团华东建筑设计研究院有限公司,上海200002)[摘要] 我国现行《混凝土结构设计规范》采用 η-l0方法设计偏心受压构件,该方法对长细比大于30的细长柱误差较大。为解决此问题,本文在“模型柱”理论研究基础上,提出偏压细长柱设计方法,并进行了模型试验验证。该设计方法应用于实际工程中,取得了良好的效果。
[关键词] 细长柱;η-l0方法;“模型柱”法;强度破坏;失稳破坏Design on Bias Compression Slender Column by "Model Column" Method
Qiao Wei, Lu Daoyuan
( East China Architecture Design Institution, Shanghai 200002, China)Abstract: It cannot give enough precision when the method adopted by current code for design of concrete structures is used in design of eccentric compression member with slender ratio greater than 30. Based on the theory of model column and model test verification, new method for design of eccentric compression is presented and has been well used in practical design.
Keywords: slender column; η-l0method; "model column" method; strength failure; stability failure