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Behavior of Mooring Line of Silt Protector According to the Change of Sea Level  

홍남식 (동아대학교 토목해양공학부)
김정윤 (동아대학교 토목해양공학부)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.14, no.3, 2002 , pp. 232-239 More about this Journal
Abstract
This paper studies the behavior of mooring line of silt protector according to the change of sea level. It is found from the analysis of the behavior that if the taut cable length has been determined appropriately within the range of safety factor, the tensioned cable has almost constant tension regardless of the water depth. The whole structure, however, becomes unstable due to the loss (zero tension) of the released cable tension. It is also recognized from the investigation for the effect of intial straight line angle on the behavior of mooring line that the design through the conceptually combined consideration of the cable tension, total scope and buoy deflection has to be required in the mooring analysis. Finally, the material of cable is not damaged because the cable tension is reduced by attached shellfish, but the whole structure may be also unstable by the effect on the anchor angle, total scope and buoy deflection.
Keywords
silt protector; initial straight line angle; neutral equilibrium analysis; anchor angle; total scope;
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