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简述钢结构疲劳含义，列出其主要影响因素并作简要分析？
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简述钢结构疲劳含义，列出其主要影响因素并作简要分析？
时间：2022-01-02 06:05
关键词：
钢结构设计原理
机械工程
大学试题
工学
答案解析
<p> （1）钢结构构件和其连接在很多次重复加载和卸载作用下，在其强度还低于钢材抗拉强度甚至低于钢材屈服点的情况下突然断裂，称之为疲劳破坏。<br> （2）影响因素有：应力集中大小；循环应力大小；应力变化的循环次数；残余应力情况。</p>
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简述钢结构疲劳含义，列出其主要影响因素并作简要分析？
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