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软钢从加载到拉断分弹性阶段、屈服阶段、破坏阶段三个阶段。
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软钢从加载到拉断分弹性阶段、屈服阶段、破坏阶段三个阶段。
A.正确
B.错误
正确答案:错误
Tag:
水工混凝土结构
阶段
软钢
时间:2022-01-17 21:02:44
上一篇:
HPB235级钢筋是光圆钢筋。
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软钢的强度指标有屈服强度和极限抗拉强度。
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HRB400级钢筋中的400代表钢筋的屈服强度设计值。
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钢筋按外形分为光圆钢筋和非光圆钢筋两类。
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低碳钢的含碳量小于0.20%。
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随着含碳量的增加,钢材的强度提高,塑性降低,可焊性变差。
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钢筋按其化学成分的不同,分为碳素钢和普通低合金钢两类。
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抗裂性差不是钢筋混凝土结构的缺点。
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耐火性好是钢筋混凝土结构的优点。
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耐久性好是钢筋混凝土结构的优点。
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钢筋和混凝土具有相近的温度线膨胀系数,不是钢筋与混凝土能共同工作的原因之一。
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钢筋与混凝土之间存在良好的黏结性,是钢筋与混凝土能共同工作的原因之一。
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