在分析大量文献资料的基础上，采用“等效截面”将双向受弯构件转化为单向受弯构件。
Based on the academic analysis, a biaxial bending member is equivalent to a single bending member by the rule of equivalent cross section.
本文是将沿厚度由钢板和混凝土组合而成的钢板混凝土梁化为一等效横观备向同性构件。
In this paper, the author transforms a steel-concrete beam into an equivalent transverse isotropic member in the thickness direction.
采用楔形构件等效截面特性的概念，结合我国规范推导出以大头截面为计算截面的受弯稳定性计算公式；
Using the conception of equivalent cross-section, the formula of elastic carrying capacity at the larger end of the tapered member is suggested.
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