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CALCULATIONS OF CONSOLIDATION AND SETTLEMENT FOR SOFT GROUND WITH NONLINEAR LOCAL POINT INTERPOLATION METHOD
Author(s): 
Pages: 53-55
Year: Issue:  6
Journal: Dam Observation and Geotechnical Tests

Keyword:  点插值无单元法 非线性 邓肯-张模型 固结与沉降;
Abstract: 采用Biot固结理论,对某软基堆载引起的固结和沉降问题进行了点插值无单元法计算。构造出的位移和孔隙水压力的形函数具有δ函数特性,所以本质边界条件很易处理。计算中节点采用随机分布方式,并考虑了土的非线性特性,点插值法中引入邓肯一张模型。最后把计算值与有限元法进行了对比,结果表明点插值法精度较高。
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