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Fresh concrete may be susceptible to plastic §shrinkage cracking. Cracks that§develop at an early-age can significantly impact the §durability of concrete structures.§This study has developed a quantitative approach§to determine the efficiency of fiber reinforcement §for plastic shrinkage crack reduction.§A semi-automated image§analysis technique was used to process digital §images of surface crack widths. Statistical analysis §methods were used to determine the repeatability of §the test as a proposed standard plastic cracking §test method. Finally, the§impact of premature cracking on the corrosion of §steel reinforcement was quantitatively§assessed.