NRCC BOREHOLE INDENTOR: MEASURING ICE STRENGTH

机译：NRCC孔式感应器：测量冰强度

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This paper presents an overview of the borehole indentor system that was specially developed at the National Research Council Canada for measuring the in situ rate-sensitivity of ice strength and the ice deformation properties. The borehole indentor system includes a fibre-glass core auger, a stainless steel indentor, and the associated electronics. The working principles of the indentor are discussed, and a brief description of the field programs in which the indentor has been used is presented. This paper is a companion paper to the papers on the measured borehole strengths of level ice (Johnston, 2005-a) and hummocked ice (Johnston, 2005-b) near Nain, Labrador.

机译：本文概述了由加拿大国家研究委员会专门开发的用于测量冰强度和冰变形特性的原位速率敏感性的井眼压头系统。钻孔压头系统包括玻璃纤维芯钻，不锈钢压头和相关的电子设备。讨论了压头的工作原理，并简要介绍了使用压头的现场程序。本论文是有关拉布拉多州Nain附近的实测冰（Johnston，2005-a）和人工冰（Johnston，2005-b）钻孔强度的论文的随行论文。

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来源
《International Conference on Port and Ocean Engineering under Arctic Conditions(POAC'05) vol.1; 20050626-3002; Potsdam,NY(US)》|2005年|P.153-163|共11页
会议地点 PotsdamNY(US)
作者
Nirmal K. Sinha;
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作者单位

Institute for Aerospace Research, National Research Council Canada Ottawa, Ontario, Canada K1A 0R6;

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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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NRCC BOREHOLE INDENTOR: MEASURING ICE STRENGTH

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