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STUDY ON SURFACE CONTACT STRESS DISTRIBUTION PROPERTIES FOR MULTI-LAYERED FOUNDATION DURING DYNAMIC CONSOLIDATION
Author(s): 
Pages: 250-256
Year: Issue:  2
Journal: Acta Mechanica Sinica

Keyword:  强夯法 表面接触应力 成层地基 轴对称问题 传递矩阵法 Laplace-Hankel变换;
Abstract: 结合夯锤的刚体运动方程和成层弹性地基空间轴对称动力问题的传递矩阵法,导出了强穷的接触应力沿锤底的应力分布在变换域中的解析式,通过Laplace-Hankel联合反交换求得了接触应力分布及沉降的时域解,确定了接触应力时间,并将数值结果与现场测试规律作了比较,结果表明:本文方法较好地解决了夯锤冲击成层地基的接触应力分布特征,为确定强夯的表面接触应力提供了帮助.
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