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Study of Specific energy of mechanical destruction of ice for calculation of ice load on ships and offshore structures
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Type
Academic journal
Author
Tsuprik V.G (Far Eastern Federal University)
Journal
The Korean Society of Marine Engineering Journal of Advanced Marine Engineering and Technology Vol.37 No.7 KCI Accredited Journals
Published
2013.11
Pages
718 - 728 (11page)

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Study of Specific energy of mechanical destruction of ice for calculation of ice load on ships and offshore structures
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Abstract· Keywords

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Analysis of scenarios of transportation oil and gas which produced in the Arctic and others cold seas shows that in the near-term there will be a significant increase of tonnage of tankers for oil and gas and number of ships which should be exploited in difficult ice conditions.
For the construction of ice-resistant structures (IRS) intended for production of oil and gas and transportation of these products at ice-class vessels, calculating the load from ice to board the ship and on surface of supports of the platforms are the actuality and urgent tasks. These tasks have one basis in both cases: at beginning of the contact occurs fracture of edge of ice, then occurs compressing of rubble shattered of ice, then they extruding from contact area, after this next layer of ice begin to destruct. At calculating the strength of plating and elements construct of vessels, icebreakers and ice-resistant platforms the specific energy of mechanical destruction ice ?<SUB>cr</SUB> is an important parameter.
For the whole period of study of physical and mechanical characteristics of sea ice have been not many experimental studies various researchers to obtain numerical values of this energetic characteristic of the strength of ice by a method called Ball Drop Test.
This study shows that the destruction of the ice from dynamic loading in zone of contact occurs in several cycles, and the ice destructed with a minimum numerical values of ?<SUB>cr</SUB> .
The author offer this energy characteristic to take as a base value for the calculation of ice load on ships and offshore structures.
#Arctic shelf #ice load #fracture of ice #specific energy destruction the ice

Contents

Abstract
1. Introduction
2. Models of breaking the ice for practical calculations of ice loads
3. Review of studies of specific energy breaking the ice
4. Analysis of the results of previous studies
5. Conclusions
References

References (18)

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1. [학술지(정기간행물)] - S. V. Kalenchuk / 2010 / Ice strength of sea-going ship hulls: stages of development, problems, perspectives / Engineering School Bulletin Far Eastern Federal University, Electronic scientific journal 3 (5) google schola 2. [학술지(정기간행물)] - D. E. Kheisin / 1966 / About determination of contacts pressures in zone the impact of vessel to ice / Problem of Arctic Region and Antarctic 22 : 96 ~ 102 google schola 3. [보고서] - Y. Popov / 1967 / Strength of Ships Sailing in Ice, Sudostroenie Publishing House, Leningrad, Technical Translation google schola 4. [학술지(정기간행물)] - V. A. Likhomanov / 1971 / Experimental investigation of solid body impact on ice / Problems of Arctic Region and Antarctic 38 : 128 ~ 136 google schola 5. [학술지(정기간행물)] - D. E. Kheisin / 1973 / Experimental definition of specific energy of mechanical crushing of ice at shock / Problem of Arctic Region and Antarctic 41 : 56 ~ 61 google schola

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UCI(KEPA) : I410-ECN-0101-2014-550-003521931