【正文】
mn的合應(yīng)力 ???? AP?設(shè) 為合應(yīng)力 的正應(yīng)力分量, 為剪應(yīng)力分量,它們與主應(yīng)力 關(guān)系為 ? ?? 1??43 44 二、雙軸應(yīng)力狀態(tài)的二維分析 只考慮平面上的主應(yīng)力問(wèn)題,不牽涉與該平面垂直的方向上的應(yīng)力分布,這就是二維應(yīng)力 Faults and stress: traction牽引 推移 and stress Mohr Circle Graphical construction that lets us visualize the relationship between the principal stresses and tractions on a boundary (like a fault). ? measured positive clockwise from ?1 direction clockwise to plane of interest 2? measure positive clockwise from –?n direction on Mohr circle Faults and stress: traction and stress Equations of the Mohr Circle (also “Cauchy’s equations”) 90 Faults and stress: traction and stress Faults and stress: traction and stress Faults and stress: traction and stress