Al-Saadi., S.I.K. and Abbass, R.O. 2013. Development of Empirical Formulas for Effect of Circular Pier and Abutment on Local Scour Depth. Kufa Journal of Engineering. 4, 2 (Dec. 2013), 69–86. DOI:https://doi.org/10.30572/2018/KJE/421333.