petak, 20 okt 2017

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Original scientific paper
 
UDC:  627.133:556.556(285)(497.6)
DOI: 10.7251/afts.2016.0814.029S
COBISS.RS-ID 5844760
 
 
THE ANALYSIS OF WATER RELEASE FROM THE
HYDRO ACCUMULATION LAKE MODRAC WITH
SPILLWAY CURVE AND VOLUME CURVES
 
Suljić Nedim1, Hodžić Dino1
 
1University of Tuzla, Faculty of Mining, Geology and Civil Engineering, Bosnia & Herzegovina 
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SUMMARY  Full text (pdf)

Dam Modrac is multiple arched reinforced concrete buttress dam, with nine buttresses and ten arches, which by its technical characteristics and volume of the accumulation is considered as one of the high dams. Crown level of spillway is 200.00 m a.s.l. Crest length is 205.00 m, while the maximum height is 27.50 m. To control the water level in the reservoir, under normal hydrological conditions, there are four basic discharges with maximum capacity around Q = 77 m3/s for the projected state. The paper gives an analytical expression of the spillway curve and analytical expressions of amounts of water discharge separately for each bottom outlet, which are obtained by conducted measurings.  Special significance of this paper gives volume curves for hydro accumulation Lake Modrac for projected state and the period of use of the system.
 
 
Key words: Trebinje, urban regeneration, identity, genius loci

 

LITERATURE

[1] 
Public Company for water management activities "Spreča". Data for hydro accumulation. Modrac depending on altitude level in the hydro accumulation, 2012.
[2] 
Hukić, S. (1989). Analysis  of  the  impact  of  hydro accumulation Modrac on reduction of high waters downstream from river Spreča. Struga: Report from the XIV Congress of Yugoslav Society for large dams.
[3] 
Public Company for water management activities "Spreča". The drive plan of the dam Modrac, 2005. 
[4] 
Institute for Water Management "Jaroslav Cerni" Belgrade. Backfilling of the hydro accumulation, flooding and management, Annex 1, 2013.
[5] 
Suljić, N. (2014). Basic of hydromechanics-the theory and tasks. University of Tuzla.
[6] 
Public Company for water management activities "Spreča". Hydrological Yearbook, 1985.
[7] 
Energoinvest, Sector – Higra, Sarajevo (2007). Rules  on  maintenance,  use and  observation facilities and equipment multipurpose water management system.
[8] 
Public Company for water management activities "Spreča". Processing flood waves 
registered in June, 2010.
 
Copyright Tehnički institut Bijeljina, 2010.
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