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复合材料结构受横向载荷作用的强度问题

, PP. 148-159

Keywords: 复合材料,横向载荷,破坏,强度条件,形变条件,极限设计,最大承载能力

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Abstract:

众所周知,各向同性材料结构的极限分析与设计只需一个应力强度条件(如采用第一或者第四强度理论)。但是在复合材料的情况下,问题要复杂得多。本文中提出除了一个应力强度条件之外,还须补充一个临界变形条件或者称为临界刚度条件才可以确定复合材料结构在横向载荷作用下的极限破坏状态的观点。对本文作者近期在这方面的研究工作作了介绍,尤其侧重介绍如何确定复合材料结构的极限承载能力,并指出复合材料结构受有横向载荷作用的一些有待研究解决的紧迫问题。

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