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A PRELIMINARY ANALYSIS OF MOLIKPAQ LOCAL ICE PRESSURES AND ICE FORCES AT AMAULIGAK I-65

机译:AMAULIGAK I-65的MOLIKPAQ局部冰压力和冰力的初步分析

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摘要

The Amauligak I-65 deployment of the Molikpaq for the winter of 1985/86 provides a good source of local pressure data and a basis for estimating global loads on a wide structure. Data including Medof panel pressures and hourly ice conditions at Molikpaq have been extracted from the "Catalogue of Local Ice Pressures" (CLIP) database. Pressures as high as 10 MPa were experienced on small areas; on areas greater than 3 m~2, peak pressures are less than 2 MPa. A method is presented for the calculation of peak loads on the north and east faces, using local ice loads to obtain estimates of global face loads. Extreme values of global ice loads were of the order of 200 MN, with most ice forces during the season being much lower. Thicker ice generally corresponds to higher ice loads on both the east and north faces. However for the thickest ice, lower than expected forces were calculated for the faces of the structure. This could be due to less ice drift (and lower exposure) for very thick ice.
机译:1985/86年冬季在Molikpaq上使用Amauligak I-65进行部署,为当地压力数据提供了良好的来源,并为估算广泛结构上的全球载荷提供了基础。包括Medof面板压力和Molikpaq每小时冰情的数据已从“局部冰压目录”(CLIP)数据库中提取。小区域承受的压力高达10 MPa。在大于3 m〜2的区域,峰值压力小于2 MPa。提出了一种计算北,东工作面峰值负荷的方法,利用局部冰负荷获得全球工作面负荷的估算值。全球冰负荷的极值约为200 MN,该季节的大多数冰势要低得多。较厚的冰通常对应于东面和北面的较高冰负荷。但是,对于最厚的冰,计算得出的结构面力低于预期。这可能是由于非常厚的冰具有较少的冰漂移(和较低的暴露)。

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