“…Four values of f tk equal to 0.1 MPa, 0.2 MPa, 0.5 MPa, and 1.0 MPa were used. These values are based on bending tests of prisms lying with concrete blocks found in [20] and [21] and also correspond to the range of values presented in the American, Brazilian and Canadian standards [14,5,6]. This analysis was divided into two stages.…”