Linear Elastic fracture mechanics: Overview of fracture mechanics, fracture at atomic level, stress concentration factor, Griffith’s Energy Theory, Energy release rate, SIF, Effect of finite size, Instability and R-curve, cracktip plasticity, CTOD, J-integral. Fracture mechanics of concrete: Why fracture mechanics of concrete? Nonlinear fracture models, RILEM fracture energy, softening of concrete, fracture process zone, size effect, Interface fracture, Fracture behaviour of HSC and HPC.