Rasooli, O. (2013) Minimizing of sedimentation in Seymareh dam reservoir with optimal utilization of the bottom outlets. Masters thesis, University of Zabol.
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Abstract
Sedimentation in reservoirs is inevitable. This phenomenon causes some harmful effects on reservoirs. Such as decreasing reservoir’s useful volume, decreasing dam stability, unsuitable operation of operational gates and reduce the volume of flood control. Understanding the manner and extent of sedimentation in reservoirs are those effective strategies in order to reduce these losses which can largely help. The mathematical models usage is more recent because of time-consuming and costly physical models in river and reservoir simulation. In this study, in order to minimize sedimentation in the Seymare’s reservoir, the latest of mathematical models in simulating water and sediment “GSTARS3” were used. The sediment transport equation after the calibration of models for hydraulic and sedimentary condition was Yang equation which has been conducted for different scenarios and their results were reviewed. According to the model results, 80% of the Seymare reservoir will be full of sediment in 112 year after intake. The results showed that, changes in water level in the reservoir does not significantly affect the rate of sedimentation in reservoir. But the distance of sedimentation is strongly influenced by water level, as much higher as the level is, a greater is the distance scale of the dam. The optimum levels of water and the location of the bottom outlets and discharges of the bottom outlets was determined after analysis on the model results.
| Item Type: | Thesis (Masters) |
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| Uncontrolled Keywords: | Sedimentation, GSTARS3, Seymare River |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Depositing User: | admin admin1 admin2 |
| Date Deposited: | 24 Oct 2016 08:50 |
| Last Modified: | 24 Oct 2016 08:50 |
| URI: | http://eprints.uoz.ac.ir/id/eprint/883 |
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