Hydraulic Analysis of the Samarra-Al Tharthar System

Low incoming discharge upstream of Samarra-Al Tharthar System leads to sediment accumulation and forming islands, especially an island upstream of Al Tharthar Regulator. This island and the sedimentation threaten the stability of the structure and reduce the efficiency of the system. This study aims...

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Main Authors: Mohammed Sadeq Abdulwahid Abdulridha, Hayder A. Al Thamiry, Ass. Prof. Dr.
Format: Article
Language:English
Published: University of Baghdad 2017-03-01
Series:Journal of Engineering
Subjects:
Online Access:http://joe.uobaghdad.edu.iq/index.php/main/article/view/50
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author Mohammed Sadeq Abdulwahid Abdulridha
Hayder A. Al Thamiry, Ass. Prof. Dr.
author_facet Mohammed Sadeq Abdulwahid Abdulridha
Hayder A. Al Thamiry, Ass. Prof. Dr.
author_sort Mohammed Sadeq Abdulwahid Abdulridha
collection DOAJ
description Low incoming discharge upstream of Samarra-Al Tharthar System leads to sediment accumulation and forming islands, especially an island upstream of Al Tharthar Regulator. This island and the sedimentation threaten the stability of the structure and reduce the efficiency of the system. This study aims to hydraulically identify the sedimentation problem mentioned above, to find solutions of how to control the sediment problems, and to develop the capacity of the system for 500 years return period flood of 15060 m3/s. Surface Water Modeling System (SMS10.1) with two dimensional depth average models (RMA-2) software were used to simulate and analyze the system. The results of analysis showed that the maximum permissible discharge through the system was 8250 m 3/s where the discharge from Samarra Barrage was 2400 m3/s to avoid flooding in Baghdad city. The water surface level could be lowered during constructing; the new Al Tharthar Regulator expansion capacity of 7000 m3/s in the case of peak flood (15060 m3/s) to 68.51 m.a.m.s.l. upstream of Samarra Barrage by dredging the island and channel. On the other hand, during constructing the guide bank, and dredging the island and channel, the water surface elevation was 68.91 m.a.m.s.l. upstream of Samarra Barrage.
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spelling doaj.art-4ddf9c8d781e4726bc5248bcf5afbcec2023-09-02T14:25:04ZengUniversity of BaghdadJournal of Engineering1726-40732520-33392017-03-01234Hydraulic Analysis of the Samarra-Al Tharthar SystemMohammed Sadeq Abdulwahid Abdulridha0Hayder A. Al Thamiry, Ass. Prof. Dr.1Ministry of Water Resource /General Commission for Maintaining Irrigation and Drainage ProjectsCollege of Engineering-University of BaghdadLow incoming discharge upstream of Samarra-Al Tharthar System leads to sediment accumulation and forming islands, especially an island upstream of Al Tharthar Regulator. This island and the sedimentation threaten the stability of the structure and reduce the efficiency of the system. This study aims to hydraulically identify the sedimentation problem mentioned above, to find solutions of how to control the sediment problems, and to develop the capacity of the system for 500 years return period flood of 15060 m3/s. Surface Water Modeling System (SMS10.1) with two dimensional depth average models (RMA-2) software were used to simulate and analyze the system. The results of analysis showed that the maximum permissible discharge through the system was 8250 m 3/s where the discharge from Samarra Barrage was 2400 m3/s to avoid flooding in Baghdad city. The water surface level could be lowered during constructing; the new Al Tharthar Regulator expansion capacity of 7000 m3/s in the case of peak flood (15060 m3/s) to 68.51 m.a.m.s.l. upstream of Samarra Barrage by dredging the island and channel. On the other hand, during constructing the guide bank, and dredging the island and channel, the water surface elevation was 68.91 m.a.m.s.l. upstream of Samarra Barrage.http://joe.uobaghdad.edu.iq/index.php/main/article/view/50Tigris River, Simulation, Flow analysis, SMS, RMA2
spellingShingle Mohammed Sadeq Abdulwahid Abdulridha
Hayder A. Al Thamiry, Ass. Prof. Dr.
Hydraulic Analysis of the Samarra-Al Tharthar System
Journal of Engineering
Tigris River, Simulation, Flow analysis, SMS, RMA2
title Hydraulic Analysis of the Samarra-Al Tharthar System
title_full Hydraulic Analysis of the Samarra-Al Tharthar System
title_fullStr Hydraulic Analysis of the Samarra-Al Tharthar System
title_full_unstemmed Hydraulic Analysis of the Samarra-Al Tharthar System
title_short Hydraulic Analysis of the Samarra-Al Tharthar System
title_sort hydraulic analysis of the samarra al tharthar system
topic Tigris River, Simulation, Flow analysis, SMS, RMA2
url http://joe.uobaghdad.edu.iq/index.php/main/article/view/50
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