Kriging插值法在大型儲(chǔ)罐樁基礎(chǔ)分析中的應(yīng)用
魏成國(guó)，朱俊巖，李兵兵，顧宗昂
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（中國(guó)石油天然氣管道工程有限公司，廊坊065000）[摘要] 為了建立復(fù)雜地層條件下大型儲(chǔ)罐樁基礎(chǔ)的有限元分析模型，基于鉆孔地層信息，采用地質(zhì)統(tǒng)計(jì)學(xué)的Kriging空間插值法，自主開(kāi)發(fā)了復(fù)雜地層樁長(zhǎng)分析模塊，可相對(duì)準(zhǔn)確地計(jì)算所有樁的長(zhǎng)度和每個(gè)地層沿樁身的分布，進(jìn)而可確定樁身的彈簧剛度和統(tǒng)計(jì)總的樁基工程量，對(duì)土層不均、持力層傾斜大的情況下進(jìn)行樁基礎(chǔ)有限元模擬分析具有重要意義。[關(guān)鍵詞] Kriging插值方法; 變異函數(shù); 樁; 復(fù)雜地層; 鉆孔信息中圖分類號(hào)： TU473 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2013)S2-067-03作者簡(jiǎn)介：魏成國(guó)，碩士，工程師，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
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