Abstract This research aimed to estimate the shear capacity of reinforced concrete short beams with steel fiber (RSF beams) using DIC (digital image correlation). Four-point bending tests RSF span ratio ( a / d ) 1.0, 1.5, and 2.0 were conducted. 0.5% or 1.0% volume fraction was used. The distribution minimum principal strain Ɛ 2 obtained from then width compressive strut evaluated. effects inv...