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Scale Modelling of the RCC Dam with Stepped Spillway

Hidraulička modelska ispitivanja brane sa stepenastim brzotokom

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2014
1239.pdf (3.130Mb)
Authors
Starinac, Danica
Vojt, Predrag
Damnjanović, Marijana
Žugić, Dragiša
Savić, Ljubodrag
Kapor, Radomir
Zindović, Budo
Conference object (Published version)
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Abstract
Design of an RCC (roller-compacted concrete) dam had been verified using a scale model. The scale of the model was 1:40 and hydraulic parameters were scaled using Froude similarity. The aim of investigations were flood mitigation structures – a standard Creager profiled spillway crest (with five bays), a converging stepped chute and a stilling basin. The main problem of the initial design was selecting the optimal shape of stepped chute side walls. As the converging chutes generate standing waves, this results in significant increase of the water level in the zones in the vicinity of the walls. The final shape of the side walls had been selected through trial-and-error procedure, provideing the most favorable flow conditions. As a consequence, improving the flow conditions in the chute resulted in better flow conditions inside the stilling basin as well, so the proposed energy dissipation baffle blocks could be removed. For the final design, measurements of the hydraulic parameters (wa...ter levels, depths, velocities, pressures) on the scale model verified the implemented improvements (compared to the initial design).

Source:
Međunarodna konferencija Savremena dostignuća u građevinarstvu 25, 2014, 30, 589-594
Publisher:
  • Građevinski fakultet, Subotica
Note:
  • Zbornik radova Građevinskog fakulteta

DOI: 10.14415/konferencijaGFS2014.079

[ Google Scholar ]
URI
http://grafar.grf.bg.ac.rs/handle/123456789/1241
Collections
  • Radovi istraživača / Researcher's publications
  • Катедра за хидротехнику и водно-еколошко инжењерство
  • Катедра за материјале и конструкције
Institution
GraFar
TY  - CONF
AU  - Starinac, Danica
AU  - Vojt, Predrag
AU  - Damnjanović, Marijana
AU  - Žugić, Dragiša
AU  - Savić, Ljubodrag
AU  - Kapor, Radomir
AU  - Zindović, Budo
PY  - 2014
UR  - http://grafar.grf.bg.ac.rs/handle/123456789/1241
AB  - Design of an RCC (roller-compacted concrete) dam had been verified using a scale model. The scale of the model was 1:40 and hydraulic parameters were scaled using Froude similarity. The aim of investigations were flood mitigation structures – a standard Creager profiled spillway crest (with five bays), a converging stepped chute and a stilling basin. The main problem of the initial design was selecting the optimal shape of stepped chute side walls. As the converging chutes generate standing waves, this results in significant increase of the water level in the zones in the vicinity of the walls. The final shape of the side walls had been selected through trial-and-error procedure, provideing the most favorable flow conditions. As a consequence, improving the flow conditions in the chute resulted in better flow conditions inside the stilling basin as well, so the proposed energy dissipation baffle blocks could be removed. For the final design, measurements of the hydraulic parameters (water levels, depths, velocities, pressures) on the scale model verified the implemented improvements (compared to the initial design).
PB  - Građevinski fakultet, Subotica
C3  - Međunarodna konferencija Savremena dostignuća u građevinarstvu 25
T1  - Scale Modelling of the RCC Dam with Stepped Spillway
T1  - Hidraulička modelska ispitivanja brane sa stepenastim brzotokom
EP  - 594
SP  - 589
VL  - 30
DO  - 10.14415/konferencijaGFS2014.079
ER  - 
@conference{
author = "Starinac, Danica and Vojt, Predrag and Damnjanović, Marijana and Žugić, Dragiša and Savić, Ljubodrag and Kapor, Radomir and Zindović, Budo",
year = "2014",
url = "http://grafar.grf.bg.ac.rs/handle/123456789/1241",
abstract = "Design of an RCC (roller-compacted concrete) dam had been verified using a scale model. The scale of the model was 1:40 and hydraulic parameters were scaled using Froude similarity. The aim of investigations were flood mitigation structures – a standard Creager profiled spillway crest (with five bays), a converging stepped chute and a stilling basin. The main problem of the initial design was selecting the optimal shape of stepped chute side walls. As the converging chutes generate standing waves, this results in significant increase of the water level in the zones in the vicinity of the walls. The final shape of the side walls had been selected through trial-and-error procedure, provideing the most favorable flow conditions. As a consequence, improving the flow conditions in the chute resulted in better flow conditions inside the stilling basin as well, so the proposed energy dissipation baffle blocks could be removed. For the final design, measurements of the hydraulic parameters (water levels, depths, velocities, pressures) on the scale model verified the implemented improvements (compared to the initial design).",
publisher = "Građevinski fakultet, Subotica",
journal = "Međunarodna konferencija Savremena dostignuća u građevinarstvu 25",
title = "Scale Modelling of the RCC Dam with Stepped Spillway, Hidraulička modelska ispitivanja brane sa stepenastim brzotokom",
pages = "594-589",
volume = "30",
doi = "10.14415/konferencijaGFS2014.079"
}
Starinac D, Vojt P, Damnjanović M, Žugić D, Savić L, Kapor R, Zindović B. Hidraulička modelska ispitivanja brane sa stepenastim brzotokom. Međunarodna konferencija Savremena dostignuća u građevinarstvu 25. 2014;30:589-594
Starinac, D., Vojt, P., Damnjanović, M., Žugić, D., Savić, L., Kapor, R.,& Zindović, B. (2014). Hidraulička modelska ispitivanja brane sa stepenastim brzotokom.
Međunarodna konferencija Savremena dostignuća u građevinarstvu 25Građevinski fakultet, Subotica., 30, 589-594.
https://doi.org/10.14415/konferencijaGFS2014.079
Starinac Danica, Vojt Predrag, Damnjanović Marijana, Žugić Dragiša, Savić Ljubodrag, Kapor Radomir, Zindović Budo, "Hidraulička modelska ispitivanja brane sa stepenastim brzotokom" 30 (2014):589-594,
https://doi.org/10.14415/konferencijaGFS2014.079 .

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