Triaxial Testing Of First Year Sea Ice
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Triaxial Testing Of First Year Sea Ice
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Author : J. A. Richter-Menge
language : en
Publisher:
Release Date : 1986
Triaxial Testing Of First Year Sea Ice written by J. A. Richter-Menge and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Ice mechanics categories.
This report presents the first series of conventional triaxial tests carried out on columnar first year sea ice samples obtained from the field and tested under controlled laboratory conditions using a large-capacity test machine. A total of 110 horizontal ice samples from Prudhoe Bay, Alaska, were tested on a closed-loop electro-hydraulic test machine at -10 C in unconfined and confined constant-strain-rate compression. The confined tests were conducted in a conventional triaxial cell that maintained a constant ratio between the radial and axial stress to simulate in situ loading conditions. The load ratios used were 0.25, 0.50 and 0.75. The strain rate of each test was constant at 0.01, 0.001, or 0.00001/s. Data are presented on the strength, failure strain and initial tangent modulus of the first year sea ice under these loading conditions. The effects of confining pressure, strain rate and ice structure on the mechanical properties of the ice are examined.
Crrel Report
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Author :
language : en
Publisher:
Release Date : 1986
Crrel Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Cold regions categories.
Profile Properties Of Undeformed First Year Sea Ice
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Author : Gordon F. N. Cox
language : en
Publisher:
Release Date : 1988
Profile Properties Of Undeformed First Year Sea Ice written by Gordon F. N. Cox and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Ice categories.
In many sea ice engineering problems the ice sheet is assumed to be a homogeneous plate whose mechanical properties are estimated from the bulk salinity and average temperature of the ice sheet. Typically no regard has been given to the vertical variation of ice properties in the ice sheet or to time of ice formation. This paper reviews some of the mechanical properties of sea ice, including ice tensile, flexural and shear strengths, as well as the ice modulus. Equations for these properties are given as functions of the ice brine volume, which can be determined from ice salinity and temperature. A numerical, finite difference model is developed to predict salinity and temperature profiles of a growing ice sheet. In this model ice temperatures are calculated by performing an energy balance of the heat fluxes at the ice surface. The conductive heat flux obtained from the energy balance is then used to calculate the rate of ice growth and ice thickness by applying the Stefan ice growth equation. Ice salinities are determined by considering the amount of initial salt entrapment at the ice/water interface and the subsequent brine drainage due to brine expulsion and gravity drainage. Ice salinity and temperature profiles are then generated using climatological data for the Central Arctic Basin. The profiles appear to be realistic and agree reasonably well with field data. Mechanical property data is developed to provide mechanical property profiles for first-year sea ice of different thicknesses, grown at different times of the winter. The predicted profiles give composite plate properties that are significantly different from bulk properties obtained by assuming homogeneous plates. (EDC).
Ice Structure Interaction
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Author : Stephen J. Jones
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Ice Structure Interaction written by Stephen J. Jones and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
IUTAM-IAHR Symposium on Ice-Structure Interaction Professor Bez Tabarrok, Chairman of the Canadian National Committee (CNC) of the International Union of Theoretical and Applied Mechanics (IUTAM) invited Professor Derek Muggeridge to organize a symposium on ice structure interaction. Dr. Muggeridge readily agreed and prepared a proposal that was endorsed by the CNC and presented to the General Assembly Meeting of IUTAM for their consideration. This Assembly gave its approval and provided the local organizing committee with the names of individuals who were willing to serve on the Scientific Committee. Dr. Muggeridge became chairman of this committee and Dr. Ian Jordaan became co-chairman of this committee as well as chairman of the local organizing committee. The symposium followed the very successful previous meeting, chaired by Professor P. Tryde in Copenhagen, by ten years. Both symposia uti lized Springer-Verlag to publish their proceedings. The Faculty of En gineering and Applied Science at Memorial University of Newfoundland were particul{lXly pleased to host this prestigious symposium as it marked the twentieth anniversary of its Ocean Engineering Research Centre.
Crrel Technical Publications
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Author : Cold Regions Research and Engineering Laboratory (U.S.)
language : en
Publisher:
Release Date : 1990
Crrel Technical Publications written by Cold Regions Research and Engineering Laboratory (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Arctic regions categories.
Bering Strait Sea Ice And The Fairway Rock Icefoot
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Author : Austin Kovacs
language : en
Publisher:
Release Date : 1982
Bering Strait Sea Ice And The Fairway Rock Icefoot written by Austin Kovacs and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Sea ice categories.
Mechanical Properties Of Multi Year Sea Ice
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Author :
language : en
Publisher:
Release Date : 1984
Mechanical Properties Of Multi Year Sea Ice written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Sea ice categories.
Mechanical Properties Of Multi Year Sea Ice
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Author : Malcolm Mellor
language : en
Publisher:
Release Date : 1984
Mechanical Properties Of Multi Year Sea Ice written by Malcolm Mellor and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Ice on rivers, lakes, etc categories.
Crrel Monograph
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Author :
language : en
Publisher:
Release Date : 1981
Crrel Monograph written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Cold regions categories.
Mechanics Of Ice Failure
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Author : Ian Jordaan
language : en
Publisher: Cambridge University Press
Release Date : 2023-03-02
Mechanics Of Ice Failure written by Ian Jordaan and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-02 with Technology & Engineering categories.
Featuring real-world examples and practical methodology, this rigorous text explores time dependence in the mechanics of ice. Emphasizing use of full scale data, and implementing risk-based design methods, mechanical theory is combined with design and modelling. Readers will gain understanding of fundamental concepts and modern advances of ice mechanics and ice failure processes, analysis of field data, and use of probabilistic design methods, with applications to the interaction of ships and offshore structures with thick ice features or icebergs. The book highlights the use of viscoelastic theory, including nonlinearity with stress and the effects of microstructural change, in the mechanics of ice failure and fracture. The methods of design focus on risk analysis, with emphasis on rational limit-state principles and safety. Full discussion of historical discoveries and modern advances – including Hans Island, Molikpak, and others – support up-to-date methods and models to make this an ideal resource for designers and researchers.