The formula of Terzaghi ultimate bearing capacity of foundation based on Mohr-Coulomb strength theory does not take the influence of intermediate principal stress into account.
利用双剪强度理论，考虑中间主应力影响的特点，导出太沙基地基极限承载力公式。
2
Based on the Mohr-Coulomb theory, safety factor s was deduced and used to ensure the reasonable parallel tunnel distance and judge the stability of surrounding rock effectively.
根据莫尔—库仑强度理论推导了关于确定并行隧道合理间距的安全系数s。
3
Also the Mohr -coulomb theory of the transfer coefficient reduction method is derived based on thrust calculation and the rigid body limit equilibrium separately.