南京河西粉质粘土物理力学指标统计分析
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摘要
根据南京河西地区粉质粘土的土工试验资料,对其物理、力学指标进行统计分析,研究土体的力学指标与物理指标的变异性及相关性,采用回归分析的方法对土的物理和力学性质指标进行线性回归分析,给出相应的数学回归方程式和相关系数。结论可作为区域性地基基础可靠性设计相关参数选取的依据。
Based on the testing data of the silty clay in the Hexi area of Nanjing,physical and mechanical indexes of the clay were analyzed and the index variability and their relationship between each other were studied.A method of linear regress analysis is adopted to the indexes.This paper statistically analyzes the variability differences,correlation and regression between physical and mechanical indexes.The results can be used as the related parameter selection basis of regional foundation reliability design.
Based on the testing data of the silty clay in the Hexi area of Nanjing,physical and mechanical indexes of the clay were analyzed and the index variability and their relationship between each other were studied.A method of linear regress analysis is adopted to the indexes.This paper statistically analyzes the variability differences,correlation and regression between physical and mechanical indexes.The results can be used as the related parameter selection basis of regional foundation reliability design.
引文
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[2]蒋建平,李晓昭,高广运,等.南京地铁地基黏土物理力学参数相关性试验研究[J].中国铁道科学,2007,28(2):17-24.[JIANG J P,LI X Z,GAO G Y,et al.Experimental study on the correlativity between the physical and mechanical parameters of foundation clay in Nanjing Subway Engineering[J].China Railway Science,2007,28(2):17-24.(in Chinese)]
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[4]谈炎培,叶冠林,王建华,等.苏州软土蠕变特性的参数研究及其有限元应用[J].地下空间与工程学报,2010,6(1):80-83.[TAN Y P,YE G L,WANG J H,et al.Study on parameter of constitutive model for creep characteristics of Suzhou soft soil and its application in finite element analysis[J].Chinese Journal of Underground Space and Engineering,2010,6(1):80-83.(in Chinese)]
[5]宁宝宽,陈四利,杨军.区域性粘土物理力学指标的相关性分析[J].土工基础,2005,19(1):51-53.[NING B K,CHEN S L,YANG J.Interrelation of physical and mechanical indexes on regional clay[J].Soil Engineering and Foundation,2005,19(1):51-53.(in Chinese)]
[2]蒋建平,李晓昭,高广运,等.南京地铁地基黏土物理力学参数相关性试验研究[J].中国铁道科学,2007,28(2):17-24.[JIANG J P,LI X Z,GAO G Y,et al.Experimental study on the correlativity between the physical and mechanical parameters of foundation clay in Nanjing Subway Engineering[J].China Railway Science,2007,28(2):17-24.(in Chinese)]
[3]田小甫,孙进忠,张彬.北京地区粘性土物理力学指标统计分析[J].资源与产业,2007,9(4):81-84.[TIAN X F,SUN J Z,ZHANG B.Statistic analysis on physical and mechanical dataes of clay soil[J].Resources and Industries,2007,9(4):81-84.(in Chinese)]
[4]谈炎培,叶冠林,王建华,等.苏州软土蠕变特性的参数研究及其有限元应用[J].地下空间与工程学报,2010,6(1):80-83.[TAN Y P,YE G L,WANG J H,et al.Study on parameter of constitutive model for creep characteristics of Suzhou soft soil and its application in finite element analysis[J].Chinese Journal of Underground Space and Engineering,2010,6(1):80-83.(in Chinese)]
[5]宁宝宽,陈四利,杨军.区域性粘土物理力学指标的相关性分析[J].土工基础,2005,19(1):51-53.[NING B K,CHEN S L,YANG J.Interrelation of physical and mechanical indexes on regional clay[J].Soil Engineering and Foundation,2005,19(1):51-53.(in Chinese)]
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