Based on the ridge function derived from Matsuoka-Nakai,Lade-Duncan and Ottosen strength failure criteria,a modified Ottosen failure criterion is proposed and verified by the true triaxial strength test data of concrete and rock.

 
  • 基于从Matsuoka-Nakai;Lade-Duncan和Ottosen等强度破坏准则导出的角隅函数;提出了修正的Ottosen强度破坏准则表达式;并通过混凝土和岩石的真三轴强度破坏试验结果进行验证.
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