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Protection of the Makiš Water Intake from Suspended Sediment and Bedload of the Sava River

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Hydraulic Model Tests of the Bogovina Dam Spillway and Stilling Basin

Client: Bogovina PE, Bor Chief Analyst: Dragiša Žugić, CE Analyst: Novica Petrović, CE ...

Determination of Drainage Station Capacities in the Riparian Lands of the Iron Gate 1 and Iron Gate

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  • Hydraulic Model Study of the ‘’Foča’’ Dam And HPP

    Thursday, 31 January 2013 16:39
  • Hydraulic Measurments In HPP “Perućica”

    Thursday, 31 January 2013 16:27
  • Study Report On Mini-HPP Prvonek’s Turbine Efficiency Level

    Thursday, 31 January 2013 16:12
  • ’’25. Maj’’ Museum’s Fountain Rehabilitation Main Design

    Thursday, 31 January 2013 16:01
  • Hydraulic Model Tests of Beška Bridge Piers on the Danube

    Thursday, 31 January 2013 15:43
  • Hydraulic Model Tests of the Inlet Structure of a Sewer Running from the Belgrade Ambulance Service to Venizelos Street

    Thursday, 31 January 2013 15:53
  • Protection of the Makiš Water Intake from Suspended Sediment and Bedload of the Sava River

    Thursday, 01 July 2010 11:40
  • Hydraulic Model Tests of the Bogovina Dam Spillway and Stilling Basin

    Thursday, 01 July 2010 12:46
  • Determination of Drainage Station Capacities in the Riparian Lands of the Iron Gate 1 and Iron Gate

    Tuesday, 16 March 2010 22:37
Projects Hydraulic Model Tests of the Bogovina Dam Spillway and Stilling Basin
Hydraulic Model Tests of the Bogovina Dam Spillway and Stilling Basin PDF Print E-mail

altClient: Bogovina PE, Bor
Chief Analyst: Dragiša Žugić, CE
Analyst: Novica Petrović, CE

A concrete gravity dam (the Bogovina Dam) will be erected on the Crni Timok River to address regional water supply needs. This will be the first stepped-spillway dam in Serbia, designed to reduce water velocity at the spillway and erosion within the stilling basin. Upstream from the dam, the Crni Timok River drains a surface area of 360 km2 with an average runoff of 5.25 m3/s.

 

The river reservoir will be used for:

  • Water supply of 150,000 to 200,000 inhabitants (selective water intakes)  
  • Irrigation (selective, continuous intakes)
  • Ensuring ecologically-sustainable flow of about 1 m3/s during dry seasons
  • Flood protection, recreation, sports, and tourism.

Basic dam and reservoir characteristics:

Surface area of reservoir   270 ha
Useful storage volume of reservoir   44×106 m3
Dam height   54 m

In addition to conducting extensive research and investigations (hydrology, hydrogeology, psammology, geotechnical characteristics, water quality, etc.), JCI prepared the preliminary and detailed designs for the entire system (including the civil engineering component, hydromechanical and mechanical equipment, electrical equipment and installations, monitoring equipment, roads, delineation of safeguard zones, erosion control, information and warning system...).

To ensure stepped-spillway safety under non-standard conditions, it was necessary to:

  • test stilling-basin rockfill stability (d=50 cm blocks), and
  • verify the efficiency of spillway sidewall protection.

Two hydraulic models were constructed for this purpose:

  • A partial model, S = 1:12, to monitor erosion, monitor the spillway chute at different discharge rates, and measure stilling-basin velocities
  • A full model, S = 1:45 (representing a 350m-long section of the reservoir, the dam, the spillway, the stilling basin, and the downstream 150 m section of the river), to monitor the flow pattern and stilling-basin erosion.

Detailed hydraulic tests revealed that the stilling basin was adequately secured but that the height of the sidewalls had to be increased.

 

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