Gross Error Elimination and Index Determination of Shearing Strength Parameters in Triaxial Test

被引:2
|
作者
Fang Wei [1 ]
机构
[1] Changsha Univ Sci & Technol, Sch Traff & Transportat Engn, Changsha 410004, Hunan, Peoples R China
关键词
triaxial test; shearing strength parameter; gross error; small sample; outlier discrimination;
D O I
10.4028/www.scientific.net/AMM.353-356.152
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
In order to determine shearing strength parameters of triaxial tests(cohesion and friction angle), nonlinear programming solution was suggested based on "minimum square sum of distance". After proving that the vertical distances between Mohr circles and the regressed strength line are distributed normally, data with gross error would be excluded; moreover, the only strength line, as well as cohesion and friction angle, could be determined. Combining with Matlab, the solution process became rapid, precise and intuitive. Some examples verified the applicability of suggested method finally..
引用
收藏
页码:152 / 158
页数:7
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