A New Failure Criterion for Anisotropic Rocks and Geomaterials

被引：0
|
作者：
Wan, Z. [1 ,2 ]
Liu, Y. Y. [1 ,2 ]
机构：
[1] North China Inst Sci & Technol, Langfang, Hebei, Peoples R China
[2] Hebei Key Lab Civil Engn Catastrophe Control & Dis, Langfang, Hebei, Peoples R China
来源：
STRENGTH OF MATERIALS | 2024年 / 56卷 / 05期
基金：
中国国家自然科学基金;
关键词：
failure; deformation; fabric tensor; native anisotropy; stress-strain relationship; UH MODEL;
D O I：
10.1007/s11223-024-00711-y
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This paper presents a mathematical description of the failure law of anisotropic properties from the following three aspects. Firstly, a generalized nonlinear failure criterion, revision Matsuoka-Nakai-Lade-Duncan (RMNLD) criterion, is proposed, which can describe a series of failure curves via von Mises and spatial mobilized plane (SMP) criterion on the partial plane. Secondly, a new stress tensor with a fabric tensor is proposed to describe the particle arrangement characteristics of rock or soil materials in 3D space, and it can be adapted to express the anisotropic RMNLD. Finally, the mapping relationship from anisotropic RMNLD to isotropic von Mises criterion was established on the deviatoric plane. The validity and feasibility of the proposed anisotropic RMNLD criterion and stress transformation method are experimentally verified.
引用
收藏
页码：1019 / 1028
页数：10
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