为研究等腰梯形蜂窝芯玻璃钢夹芯板面内压缩破坏机制,利用材料试验机对夹芯板面内压缩性能进行了试验测试,并开展了模拟研究.结果表明:夹芯板的面内压缩破坏方式主要有面板折断、夹芯板屈曲失稳和夹芯板中面板与蜂窝芯脱粘3种类型.面板为夹芯板面内压缩的主要承载构件,蜂窝芯对面板起到固支作用.面板结构参数与材料参数为影响夹芯板面内压缩抗压强度与抗压刚度主要因素,多数蜂窝芯的结构参数与材料参数对夹芯板面内压缩抗压强度的影响微弱,而个别蜂窝芯的结构参数对夹芯板面内压缩抗压刚度的影响比较显著.夹芯板体积一定时,随着蜂窝芯胞体单元数量的增加,夹芯板面内压缩的抗压强度与抗压刚度逐渐增大.
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