【判断题】【消耗次数:1】
细长压杆比同样材料的粗短压杆承载力要小许多。 ()
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错误
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相关题目
【多选题】 细长压杆要进行()验算。
①  强度
②  刚度
③  稳定性
【单选题】 对于细长压杆,压杆的临界力与杆长的平方成()。
①  正比
②  反比
③  无关
【单选题】 在下列诸因素中,对钢轴心压杆的弹性屈曲承载力影响不大的是()。
①  压杆的残余应力分布
②  材料的屈服点变化
③  构件的初始几何形状偏差
④  荷载的偏心大小
【多选题】 提高细长压杆稳定性的主要措施有()。
①  减小压杆的长度
②  改善杆端支撑
③  选择合理的截面形状
【单选题】 压杆属于细长杆,中长杆还是短粗杆,是根据压杆的()来判断的。
①  柔度
②  长度
③  横截面尺寸
④  临界应力
【单选题】 压杆属于细长杆,中长杆还是短粗杆,是根据压杆的( )来判断的
①  临界应力
②  横截面尺寸
③  长度
④  柔度
【单选题】 细长压杆的(),则其临界应力σ越大。
①  弹性模量E越大或柔度λ越小
②  弹性模量E越大或柔度λ越大
③  弹性模量E越小或柔度λ越大
④  弹性模量E越小或柔度λ越小
【单选题】 细长压杆在轴向压力作用下保持其原有直线平衡状态的能力是压杆的()
①  稳定性
②  强度
③  刚度
【单选题】 两端铰支的细长压杆的杆长计算系数是()。
①  0.5
②  0.7
③  1
④  2
【判断题】 细长压杆的破坏是由于强度不足引起的。
①  正确
②  错误
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