Crack ys flexural and shear stresses for a RC beam neutral axis (a (b) (c) 45°<0<90° 5 (d) (e) (D Fig.7.1-3 Orientation of principal stresses.(a)Geometry and loading;(b)axial stress at section x-x;(c)shear stress distribution at section x-x;(d)segment 4;(e)segment B;(f) segment C;(g)principal compressive stress paths• Crack vs flexural and shear stresses for a RC beam Fig. 7.1-3 Orientation of principal stresses. (a) Geometry and loading; (b) axial stress at section x-x; (c) shear stress distribution at section x-x; (d) segment A; (e) segment B; (f) segment C; (g) principal compressive stress paths