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当选择极限状态法作为验算方法时,可以在“单桩设计”选项卡中设置各分项系数的值。
承压桩的验算按下式进行:
其中:
Rc
-
总抗压承载力
Rb
桩端承载力
Rs
桩侧承载力
γb
桩端阻力的分项系数
γs
侧摩阻力的分项系数
Vd
极限竖向荷载
Wp
桩身自重
抗拔桩的验算按下式进行:
Rsdt
总抗拔承载力
γst
抗拔阻力的分项系数