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J. Ocean Eng. Technol. 2002;16(1):27-35.    

A Comparative Study of Ice Scour-Seabed Interaction Models
빙쇄굴-해저지반 상호작용 모델 비교연구
최경식,이종호
한국해양대학교 해양개발공학부,한국해양대학교 해양개발공학부
© 2002 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: Arctic Offshore Pipelines, Ice Ridge, Ice Scour-Seabed Interaction Model, Comparative Study
핵심용어: 극지 해저 파이프라인, 빙맥, 빙쇄굴-해저면 상호작용 모델, 비교연구
Abstract
The interaction of grounded ice ridges with underlying seabed is one of the major considerations in the design of Arctic pipeline system. Previously several ice scour models were developed by researchers to describe the ice scour-seabed interaction mechanism. In view of possible improvements, a comparative study of those ice scour models is performed and their limitation in modeling is discussed. Simple laboratory tests are carried out and then the shape pattern of deposited soil around the ice model is newly defined. Unlike the rectangular idealization of an ice block, in this modified ice scour model, trapezoidal cross sections are assumed to represent the typical shape of an ice ridge based on the field observation data. With the horizontal and vertical motion of ice model, the ice scour depth and soil reacting forces on seabed are calculated with varying the keel angle of an ice ridge.


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