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Pier-Scour Characteristics of the Marine Bridge with Ship Impact Protection - Incheon Bridge Case -  

Yeo, Woon-Kwang (Dept. of Civil & Environmental Eng., Myongji University)
Ji, Un (Dept. of Civil & Environmental Eng., Myongji University)
Kim, Chang-Sung (Dept. of Civil & Environmental Eng., Myongji University)
Lim, Jong-Chul (Dept. of Civil & Environmental Eng., Myongji University)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.20, no.2, 2008 , pp. 203-211 More about this Journal
Abstract
More recently, the massive marine bridges in a ship passage have been constructed on the sea. Therefore, the ship impact protection for the bridge-piers are installed to consider the possibility of vessel collision danger. Due to the ship impact protection, the pier-scour characteristics are changed in comparison with the condition without the ship impact protection (SIP). In this study, the physical modeling for the Incheon Sea-Crossing Bridge was performed to analyze the pier-scour characteristics with respect to the vessel collision protection. The rigid and movable bed tests were conducted to evaluate the flow pattern, scour depth, and scourhole with and without the ship impact protection. The experimental results for the maximum scour depth is increased 0.24 m in W1 pier at the same location and 2.4 m in W2+3+4 piers due to the SIP installation. Especially, the maximum scour depth in W2+3+4 piers was occurred around the SIP.
Keywords
scour; marine bridge; ship impact protection; group pile scour;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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