根据正交层合板在压缩载荷作用下的泊松效应和变形协调原理,分析了平均层间剪应力的产生机制,并建立了平均层间剪应力的解析模型.算例分析表明纵横铺层比k=1时,层间剪应力最大,k值大于3时可有效降低层间剪应力;层间剪应力与平均压应力和受压截面宽厚比成正比关系,需要根据实际情况选取合适的k值和厚宽比以有效降低平均层间剪应力.
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