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| 普朗特尔解普朗特尔根据极限平衡理论，并假设基础与地基接触面是光滑的，地基土是无重量的，因而地基破坏的两簇滑面是由两组平面及中间过渡的对数螺旋曲线组成的，从而推导出的适用于条形基础的求解地基极限承载力的基础理论公式 | |||
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