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为了恢复主、直应力轴方向而利用构造裂隙的思想是 M、B、戈佐夫斯基首先提出的,它以这种概念为依据,即具有精确到剪切角α的剪切裂隙与最大的切应力τmax 活动方向相符合,因此,也即是与主、直应力方向有联系。共轭剪切裂隙的交叉线(即同时代的在同一个应力场的作用条件下产生的共轭剪切裂隙)与中间应力轴σ_2相符合,裂隙间锐角等分线与主,直挤压应力σ_3相符合,而钝角等分线则与主、直拉伸应力σ_1相符合。当存在塑性变形时,在如果裂隙发生旋转的情况下,并且在裂隙之间有角度变化,那么,
The idea of using structural fractures to restore the direction of the principal and the direct stress axes is M, B, first proposed by Gozovsky, which is based on the notion that a shear fracture with a precise shear angle α and a maximum Shear stress τmax consistent with the direction of movement, therefore, that is, with the main and direct stress direction. The cross-line of the conjugate shear fracture (ie, the contemporary conjugate shear fracture produced under the same stress field) coincides with the intermediate stress axis σ_2. The stress σ_3 is consistent, while the obtuse angle is consistent with the main and the straight tensile stress σ_1. When there is plastic deformation, if there is a rotation of the crack and there is an angular change between the cracks,