PRINCIPLES FOR LOCAL AND GLOBAL ICE DESIGN USING PRESSURE- AREA RELATIONSHIPS

机译：利用压力区域关系进行本地和全球冰设计的原则

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The design of offshore structures for ice loads requires estimates of global ice forces and local ice pressures on the structure. The focus is ice crushing against a structure, for example icebergs impacting an offshore rig. To determine these, the global interaction area and local design area are precisely defined. A rational basis for defining these physical areas of concern in the interaction of ice masses with offshore structures is presented. If data are analyzed correctly in accordance with these definitions, design relationships can be developed. Two separate relationships are presented, one for global pressures and the other for local pressures. Data from all sources demonstrate a decrease of average pressure, local or global, with increasing area. The inclusion of number and duration of interactions is an important aspect. The present formulation is suitable for limiting kinetic energy situations but further analysis of data is needed for global pressures that persist for periods of time.

机译：用于冰荷载的海上结构的设计需要估算整体冰势和结构上的局部冰压力。重点是将冰压碎在结构上，例如撞击海上钻井平台的冰山。为了确定这些，必须精确定义全局交互区域和局部设计区域。提出了在冰块与海上结构相互作用中定义这些物理区域的合理依据。如果根据这些定义正确分析了数据，则可以建立设计关系。提出了两个单独的关系，一个关系用于全局压力，另一个关系用于局部压力。来自所有来源的数据表明，随着面积的增加，局部或全局的平均压力下降。包括互动的数量和持续时间是一个重要方面。本配方适合于限制动能情况，但是需要持续一段时间的全局压力的数据进一步分析。

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《International Conference on Port and Ocean Engineering under Arctic Conditions(POAC'05) vol.1; 20050626-3002; Potsdam,NY(US)》|2005年|P.375-385|共11页
会议地点 PotsdamNY(US)
作者
Ian Jordaan; Chuanke Li; Denise Sudom; Paul Stuckey; Freeman Ralph;
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作者单位

Memorial University of Newfoundland, St. John's, Canada;

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会议组织
原文格式 PDF
正文语种 eng
中图分类港口工程;海洋工程;
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PRINCIPLES FOR LOCAL AND GLOBAL ICE DESIGN USING PRESSURE- AREA RELATIONSHIPS

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