TY - JOUR T1 - Estimation of Local Scour and Contraction Scour Around Al-Imam Ali Bridge Piers AU - Hadi Sahib, Jumana AU - Kadhim Hameed, Luay AU - Mohamad Awad, Ameera JO - Journal of Engineering and Applied Sciences VL - 14 IS - 5 SP - 1621 EP - 1627 PY - 2019 DA - 2001/08/19 SN - 1816-949x DO - jeasci.2019.1621.1627 UR - https://makhillpublications.co/view-article.php?doi=jeasci.2019.1621.1627 KW - Contraction scour KW -HEC-RAS program KW -high discharges KW -Imam Ali Bridge KW -local scour KW -increase discharge AB - The scour phenomena one of most important can be happened to bridge when construction in the stream which can cause the collapse of the bridge. Euphrates River is one of the most important rivers on which many of the bridges are set up. The bridge of Imam Ali, this bridge is situated in Najaf government. In present study, a modeling of the Imam Ali Bridge by using the (HEC-RAS) program was prepared for discharges of 40-1400 m3/sec. Two types of scouring appeared these are a pier scour and a contraction scour. The first increased with increase discharge while the second decreased with increase discharge. The results give a good indication that the Imam Ali Bridge is safe against the scouring. ER -