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根据文克尔半无限长梁理论推导了十字交叉梁基础中柱荷载在纵横向的分配公式，讨论了基础底板宽度对基础梁刚度的影响以及基础梁刚度对十字交叉梁基础荷载分配的影响，建立了满足地基承载能力要求的基础底板宽度的计算公式，运用迭代法可以方便地求出基础底板的宽度，从而克服了工程设计中底板宽度与柱荷载分配不一致的缺点．
According to the Wynck semi-infinite beam theory, the distribution formula of the vertical load of the middle column of the cross-beam foundation is deduced. The influence of the base floor width on the stiffness of the base beam and the influence of the stiffness of the base beam on the load distribution of the cross-beam are also discussed. The calculation formula of foundation slab width satisfying the requirements of foundation bearing capacity is established. The width of the foundation slab can be easily obtained by iterative method, which overcomes the inconsistency of floor width and column load distribution in engineering design.