... 强度折减法的基本原理是找到一组强度参数,使得边坡刚好失稳,当然,此时重力乘数始终取1。对于摩尔-库仑(Mohr-Coulomb)材料模型,强度参数的折减依据表达式(6.3)进行。计算过程相当于进行一系列的极限分析计算。
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对于土压力传统的计算方法采用的多是线性摩尔-库仑破坏准则。
A linear Mohr-Coulomb failure criterion is used for the traditional method of calculating earth pressure.
试验结果表明,MSW试样的直剪破坏仍遵循摩尔-库仑破坏准则。
Experimental data show that MSW's shear failure still satisfies the Mohr-Coulomb criterion.
同时也分别从推力计算和刚体极限平衡条件推导了基于摩尔-库仑理论的传递系数折减法。
Also the Mohr -coulomb theory of the transfer coefficient reduction method is derived based on thrust calculation and the rigid body limit equilibrium separately.
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