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岩体抗剪强度参数的线性优化方法
Alternative TitleLinear optimization method for shear strength parameters of rock mass
李倩倩; 黄栋; 乔建平; 崔中兴
Corresponding Author黄栋
2014
Source Publication岩土力学
Volume35Issue:s2Pages:156-161
Abstract针对岩体结构面力学参数的重要性,以大量工程实例为依据,以统计误差分析相关理论为基础,研究最小二乘法与M-估计法在分析结构面抗剪强度参数时的适用性。研究结果表明,在难以判断粗差的数量和比例时,很难对两种线性回归方法的优劣进行规律性的比较。考虑到数据是具有工程特性的,为更准确地处理实验数据,在以上两种方法的基础上提出了一种新的实验数据处理方法,并应用于计算李家河水库的抗剪强度参数。
Other AbstractIn light of the importance of study of mechanical parameters of rock mass structural plane, based on a large number of practical projects and the basic statistical principle about error analysis, the applicabilities of least square method and M - estimation method for calculating the structural plane shear strength parameters, are studied. The results show that, when the gross errors are uncertain, it is hard to find the regularity that the two methods are more suitable for some certain condition. Because the data all have the given engineering characteristics, in order to make results more accurate, a new method based on the above two methods is proposed; and it is applied to calculate shear strength parameters of Lijiahe reservoir.
Keyword最小二乘法 M-估计法 原位直剪 优化方法
URL查看原文
Indexed ByEI
Language中文
Funding Organization国家自然科学基金(No. 41301009);科技部国际合作资助项目(No. 2013DFA21720);国家“十二五”科技支撑计划资助项目(No. 2011BAK12B02)
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/7444
Collection山地灾害与地表过程重点实验室
Recommended Citation
GB/T 7714
李倩倩,黄栋,乔建平,等. 岩体抗剪强度参数的线性优化方法[J]. 岩土力学,2014,35(s2):156-161.
APA 李倩倩,黄栋,乔建平,&崔中兴.(2014).岩体抗剪强度参数的线性优化方法.岩土力学,35(s2),156-161.
MLA 李倩倩,et al."岩体抗剪强度参数的线性优化方法".岩土力学 35.s2(2014):156-161.
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