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对川井忠彦刚体有限元方法进行适当的改造，可以方便地求得侧向受荷桩的张氏法和ｍ法的结果，并将该方法应用到支挡结构位移动态预测中
By properly modifying Kawai Tadatoshi’s rigid body finite element method, the results of Chang’s method and m method of lateral piles can be easily obtained, and the method is applied to the dynamic prediction of displacement of support structure