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ENG> Vol.4 No.9, September 2012
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An Experimental Study for Construction of Emergency Spillway in Daechung Dam

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DOI: 10.4236/eng.2012.49072    3,882 Downloads   5,739 Views   Citations
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Hongkoo Yeo, Joongu Kang, Sanghwa Jung


Department of Water Resource Research, Korea Institute of Construction Technology, Ilsan, Korea.


Recently, the flood frequently happened by several effects, such as El Nino et al., is the meteorological accident to attack the stability of dam. Hence, it was necessary to increase the stability of existing dam and dam design criteria were reinforced with probable maximum flood. This study was conducted in order to install the emergency spillway in Daechung Dam. Daechung Dam is located in the upper course of Guem River, in the middle of Korea, near a Sobak mountain range. The stream length and area of Daechung Dam are each about 401 km, about 9886 km2. According to the Report of new training project in Daechung Dam published in 2004 year, Maximum flood water level of Daechung Dam was calculated EL. 84.18 m increased of previous maximum flood water level (EL. 83 m). The aim of this study is to make an alternative plan on problems predicted by analysis of experimental data which is the results on the hydraulic model on dam structures. Analysis of experimental results was classified dam structures, such as approach channel, spillway, energy dissipater and stream, by design conditions.


Hydraulic Model; Emergency Spillway; Energy Dissipater; Design Conditions

Cite this paper

H. Yeo, J. Kang and S. Jung, "An Experimental Study for Construction of Emergency Spillway in Daechung Dam," Engineering, Vol. 4 No. 9, 2012, pp. 568-577. doi: 10.4236/eng.2012.49072.

Conflicts of Interest

The authors declare no conflicts of interest.


[1] Korea Water Resource Association, “Dam Design Crite- ria,” 2003.
[2] The Ministry of Land, Transport and Maritime, “Daechung Dam Flood Control Capability Enhancement Report,” 2004.
[3] US Bureau of Reclamation, “Hydraulic Design Criteria,” 1980.

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