中南大学学报（自然科学版）2009，Vol.40Issue(5)：1388-1391,4.
基于Barton-Bandis非线性破坏准则的岩体强度预测
Strength prediction for rock mass based on Barton-Bandis nonlinear failure criterion
摘要
Abstract
In order to describe the rock mass characteristic based on the Barton-Bandis model, and apply its parameters in the numerical calculation, the transfer method from Barton-Bandis criterion parameters to the Mohr-Coulomb criterion parameters was proposed. The effects of Barton-Bandis criterion parameters on the Mohr-Coulomb criterion parameters were studied. The results show that the transfer method from Barton-Bandis criterion parameters to the Mohr-Coulomb criterion parameters is suitable and convenient. With the increase of friction coefficient JRC and compressive strength of joint JCS, the cohesion c and friction angle φ of Mohr-Coulomb parameters increase at the same time in the nonlinear form, whose relationship can be fitted by exponential equation. The variation of JRC has larger impact on the cohesion than that on the friction angle; and the impact of JRC on the shear strength of rock mass is larger than that of JCS.关键词
Barton-Bandis模型/岩体/强度预测Key words
Barton-Bandis model/ rock mass/ strength prediction分类
建筑与水利引用本文复制引用
李永红,彭振斌,钟正强,何忠明,彭文祥..基于Barton-Bandis非线性破坏准则的岩体强度预测[J].中南大学学报（自然科学版）,2009,40(5):1388-1391,4.基金项目
国家自然科学基金资助项目(50878212) （50878212）
