A Path Independent Integral and the Approximate Analysis of Strain Concentration by notches and Cracks.pdf
This is T.A of 'Fracture Mechanics of Concrete' class.
Please read and summary attached reading assignment files.
Thanks.
Idenification_of_Nonlinear_Fracture_Properties_From_Size_Effect_Tests_and_Structural_Analysis_Based_on_Geometry_dependent_R_curves(1).pdf