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结构钢材易发生脆性破坏的应力状态是()

单选题
2021-12-29 00:15
A、三向同号等值拉应力
B、两向异号等值正应力
C、单向压应力
D、三向等值剪应力
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正确答案
D

试题解析

感兴趣题目
最易产生脆性破坏的应力状态是()应力状态。
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逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
脆性破坏的特征是在破坏之前钢材的塑性变形很不明显,有时甚至是在应力小于屈服点的情况下突然发生,这种破坏形式对结构的危害比较大。
逻辑运算符(AND、NOT、OR)的运算顺序是AND→OR→NOT。
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处于复合应力状态下的钢材,异号应力场会降低钢材的塑性,从而导致脆性破坏。

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钢材发生脆性破坏时构件的计算应力不可能小于钢材的屈服点。()
结构钢材易发生脆性破坏的应力状态是()
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钢材发生脆性破坏时构件的计算应力不可能小于钢材的屈服点。
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翻译:With Average or With Particular Average(WA or WPA)()
结构钢材最易发生脆性破坏的应力状态为()
钢材发生脆性破坏时构件的计算应力不可能小于钢材的屈服点。
钢材发生脆性破坏时构件的计算应力有可能小于钢材的屈服点。
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