Kriging插值法在大型储罐桩基础分析中的应用
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（中国石油天然气管道工程有限公司，廊坊065000）[摘要] 为了建立复杂地层条件下大型储罐桩基础的有限元分析模型，基于钻孔地层信息，采用地质统计学的Kriging空间插值法，自主开发了复杂地层桩长分析模块，可相对准确地计算所有桩的长度和每个地层沿桩身的分布，进而可确定桩身的弹簧刚度和统计总的桩基工程量，对土层不均、持力层倾斜大的情况下进行桩基础有限元模拟分析具有重要意义。[关键词] Kriging插值方法; 变异函数; 桩; 复杂地层; 钻孔信息中图分类号： TU473 文献标识码：A 文章编号：1002-848X(2013)S2-067-03作者简介：魏成国，硕士，工程师，Email：wcgsxy@gmail.com。Kriging interpolation and its application to generating finite element model of large tank pile foundationWei Chengguo, Zhu Junyan, Li Bingbing , Gu Zongang(China Petroleum Pipeline Engineering Corporation, Langfang 065000, China)Abstract: In order to generate finite element model of large tank pile foundation, adopt the Kriging interpolation method based on the stratum information, develop a analysis module which can calculate the pile length and the distribution of each layer alone the pile, and then determine the spring stiffness around the pile and the total pile quantity, which have important meaning in achieving finite element model of pile foundation in nonuniform and big incline holding-layer stratum.Keywords: Kriging interpolation method; variogram function; pile; complicated stratum; borehole information
