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首页> 外文会议>International Conference on Port and Ocean Engineering Under Arctic Conditions; 20070627-30; Dalian(CN) >MODELLING RUBBLE FIELD DEVELOPMENT AT ISSERK I-15 AND ITS IMPLICATIONS FOR ENGINEERING ICE RUBBLE
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MODELLING RUBBLE FIELD DEVELOPMENT AT ISSERK I-15 AND ITS IMPLICATIONS FOR ENGINEERING ICE RUBBLE

机译：ISSERK I-15的橡胶田开发建模及其对工程冰橡胶的影响

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摘要

A grounded rubble field can be advantageous when it surrounds an Arctic offshore structure. It can attenuate ice loads and could be used as a base for an evacuation shelter. These advantages mean that the creation of a sTable., grounded rubble field at an offshore site can be beneficial for locations in the transition and landfast ice zones of the Beaufort Sea. In the winter of 1989-1990, the Molikpaq Caisson was deployed at the Isserk I-15 site in the Canadian Beaufort Sea. During October and early November, the Molikpaq was exposed to mobile first year ice driven by strong winds. This series of storms built a "cigar-shaped" rubble field at the site. Detailed information concerning the rubble field development at this site was collected. In this paper, a numerical model is used to examine the factors that affect the generation of a grounded rubble field. The observations from Isserk are used to validate the model. By investigating several scenarios of ice interaction, through an examination of the influence of water depth, ice thickness, velocity and fetch length upon rubble extent, the model can be used to provide information on the rate of growth of grounded rubble fields. The data can be used to quantify the effects of ice rubble on reducing ice loads in the winter and provide guidance on rubble stability and optimal rubble field extent, as well as evacuation options.
机译：接地的碎石场环绕北极的海上结构时可能是有利的。它可以减轻冰负荷，并可用作避难所的基础。这些优势意味着，在离岸站点建立一片稳定的地面碎石场对于博福特海过渡和陆上冰区中的位置可能是有益的。在1989-1990年冬季，莫里克帕克沉箱被部署在加拿大Beaufort海的Isserk I-15基地。在10月和11月初，Molikpaq暴露于强风驱动的第一年流动冰中。这一系列的风暴在现场建造了一个“雪茄形”的瓦砾场。收集了有关该站点瓦砾场开发的详细信息。在本文中，使用数值模型来检查影响接地碎石场生成的因素。 Isserk的观察结果用于验证模型。通过研究冰相互作用的几种情况，通过检查水深，冰厚度，速度和取水长度对瓦砾程度的影响，该模型可用于提供有关碎石地面生长速率的信息。该数据可用于量化冬季碎冰对减少冰负荷的影响，并为碎石稳定性和最佳碎石场范围以及疏散方案提供指导。

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