桩端阻力
桩端阻力
桩底地基土的刚度由Winkler模型参数C1确定。C1由桩底处地基土的变形模量Edef和泊松比ν计算得到的。同时，C1的值和桩底地基土的变形计算深度也有关。
桩底弹簧的刚度由下式计算得到：
其中： | A | - | 桩底截面面积 |
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