• 2021-04-14
    计算图示轴心受压构件截面的承载力。,在与侧向支承连接处,上下翼缘板各开有2孔φ24,材料Q235F,局部稳定可以保证,对x轴b类,对y轴c类,截面毛面积,,,。
    稳定系数φ
    λ
    40
    45
    50
    55
    60
    65
    70
    75
    80
    φ
    b
    0.889
    0.878
    0.856
    0.833
    0.807
    0.780
    0.751
    0.720
    0.688
    c
    0.839
    0.807
    0.775
    0.742
    0.709
    0.669
    0.643
    0.610
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