Effect of Bridge Piers Locations and Flow Intensity on Morphological Change in a 180-Degree River Bend
Effect of Bridge Piers Locations and Flow Intensity on Morphological Change in a 180-Degree River Bend

Abdurazaq k. Abdulwahd; Jaafar S. Maatooq

Volume 41, Issue 11 , November 2023, , Page 1241-1251

https://doi.org/10.30684/etj.2023.140134.1455

Abstract
  Bridges when it crossing rivers often required multiple piers for support. One of has a limited investigation is the impact of piers on scouring and morphological aspects when a bridge ...  Read More ...
Hydrodynamic Model-Based Evaluation of Sediment Transport Capacity for the Makhool-Samarra Reach of Tigris River
Hydrodynamic Model-Based Evaluation of Sediment Transport Capacity for the Makhool-Samarra Reach of Tigris River

Ala H. Nama; Ali S. Abbas; Jaafar S. Maatooq

Volume 40, Issue 11 , November 2022, , Page 1573-1588

https://doi.org/10.30684/etj.2022.135747.1282

Abstract
  This paper implemented an HEC-RAS-based steady two-dimensional hydrodynamic model to evaluate the hydraulic characteristics and Sediment Transport Capacity (STC) of the Makhool-Samarra ...  Read More ...
Distribution of Pressures on Modified Stepped Spillway by Using Toothed-Steps
Distribution of Pressures on Modified Stepped Spillway by Using Toothed-Steps

Jaafar S. Maatooq; Ameer L. Jasim

Volume 39, Issue 8 , August 2021, , Page 1265-1270

https://doi.org/10.30684/etj.v39i8.1957

Abstract
  In the present study a new steeped spillway shape at which “toothed steps” have been adopted instead of traditional steps to enhance the amount and distribution of water ...  Read More ...
Calibration 7
Calibration 7" – Cutthroat Flume as New Size for Discharge Measurement at Free Flow Condition

Jaafar S. Maatooq; Muna J. Ibraheem

Volume 38, 12A , December 2020, , Page 1783-1789

https://doi.org/10.30684/etj.v38i12A.891

Abstract
  This paper aims to conduct a series of laboratory experiments in case of steady-state flow for the new size 7 ̋ throat width (not presented before) of the cutthroat flume. For this ...  Read More ...