Through analyzing relevant norms,the paper puts forward simplified calculation method of cross-section bearing capacity with special-shaped column and its optimization design contents,so as to be some help for engineering design,which has provided theoretical basis for special-shaped column frame structure and achieved unified value in all regions.%通过对相关规范进行分析，提出了异形柱框架结构优化设计的内容及异形柱正截面承载力的简化计算方法，便于工程设计应用，为异形柱框架结构的构造设计提供了理论依据，解决了各地规范取值不统一的问题。
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