Due to the shear lag effect,in the design of steel-concrete composite beams,the effective flange width concept is used to analyze the defections and stresses of beams.

• 考虑到剪力滞效应的影响,在钢-混凝土组合梁设计分析中,常采用翼缘有效宽度的概念计算组合结构的应力和变形。