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The cut off efficiency of sheet piles with variation of Water level: Al-hindiya barrage as case study
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The cut off efficiency of sheet piles with variation of Water level: Al-hindiya barrage as case study
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Journal Article
The cut off efficiency of sheet piles with variation of Water level: Al-hindiya barrage as case study
2023
Overview
Al-Hindiya barrage is an important project to ensure safety of structures is considered as one of the important projects in Iraq, so it’s very important to checking it’s the extent of the efficiency of the cut-off wall can be determined by calculating the amount of seepage flow that occurred under the structure in different conditions, such as the difference in water levels in the upstream and downstream, using the Geo-studio SEEP/W program by taking a natural analysis and a differential analysis. Cut off and a significant drop, and also when the most dangerous flood situation occurs at the greatest level in the Upstream In this case, all the gates must be opened, i.e., a quick descent into the origin. This case was studied, and the efficiency of the cut-off wall was proven in the most dangerous case, and it is considered one of the indicators of peace for the Al-Hindiya barrage The finite element method was used to investigate cutoff walls and downstream filters to control seepage, exit hydraulic gradient, and uplift forces for dams, The Al-Hindiyah Bridge was studied and the error rate was less than 1%, studying the unloading situation at the highest level at a time approved by the executing company, and delaying the unloading process at this time at the start of the project operation This case was analyzed by studying the uplift pressure, seepage rate, seepage velocity, gradient and discharge at the upstream, i.e. from a point close to the face of the sheet pile and a point far from the face of the sheet pile at the downstream we conclude through this case the efficiency of the sheet pile at the point located in the backside, which shows the efficiency of the sheet pile significantly The study proved that when facing the Al-Hindiya Bridge, the state of flooding, all gates must be opened at an average speed for a period of 12 hours to get rid of the water in excess of the permitted storage The study proved the efficiency of the sheet bale when confronting the flood situation and at different times, by calculating the safety factor 2.24 within the permissible limits. Recommendations for suitable combinations of upstream cutoff and downstream filter are provide. Recommendations for suitable combinations of upstream cutoff and downstream filter are provide
