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在计算抗滑桩时,常常将桩侧地基系数考虑为梯形图式。与三角形地基系数(m法)的刚性桩相比,梯形地基系数的刚性桩的计算比较复杂,考虑到m法已有一系列用来简化计算的无量纲系数,情况就更加突出了。本文通过等效变换,将梯形地基系数问题变换为三角形地基系数问题,从而可利用现有的m法的无量纲系数求解,使计算大为简化。为尽可能减少运算,可利用本文给出的无量纲系数实现等效变换。
In calculating anti-slide piles, often consider the pile foundation coefficient as a ladder diagram. Comparing with the rigid pile with triangular foundation coefficient (m method), the calculation of rigid pile with trapezoidal foundation coefficient is complicated, and the situation is more conspicuous given that there are a series of dimensionless coefficients used to simplify the calculation in m method. In this paper, we transform the problem of trapezoidal foundation coefficient into the problem of triangular foundation coefficient through equivalent transformation, so that the existing method of dimensionless coefficient can be used to solve the problem. In order to reduce the operation as much as possible, the equivalent transformation can be realized by using the dimensionless coefficients given in this paper.