The Bearing Capacity of Floating Ice Plates Subjected to Static Or Quasi-static Loads PDF Download
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Author: Arnold D. Kerr
Publisher:
ISBN:
Category : Ice
Languages : en
Pages : 52
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Book Description
This report contains a critical survey of the literature on the bearing capacity of floating ice plates. It consists of a discussion of general questions, a critical survey of analytical attempts to determine the bearing capacity of floating ice plates, and a survey of field and laboratory tests on floating ice plates and their relation to the analytical results. The paper concludes with a systematic summary of the results, a discussion of observed shortcomings, and suggestions for needed investigations.
Author: Arnold D. Kerr
Publisher:
ISBN:
Category : Ice
Languages : en
Pages : 52
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Book Description
This report contains a critical survey of the literature on the bearing capacity of floating ice plates. It consists of a discussion of general questions, a critical survey of analytical attempts to determine the bearing capacity of floating ice plates, and a survey of field and laboratory tests on floating ice plates and their relation to the analytical results. The paper concludes with a systematic summary of the results, a discussion of observed shortcomings, and suggestions for needed investigations.
Author: Arnold D. Kerr
Publisher:
ISBN:
Category : Building
Languages : en
Pages : 24
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Book Description
Author: D. E. Nevel
Publisher:
ISBN:
Category : Ice
Languages : en
Pages : 122
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Book Description
The problem investigated in this thesis is the prediction of the deflection and stresses in a floating ice sheet under loads which act over a long period of time. This problem is currently important for oil exploration offshore in the Arctic. A review of analytical methods for predicting the bearing capacity of an ice sheet is given. The problem is formulated by assuming the ice is isotropic with a constant Poisson's ratio. The shear modulus is assumed to obey a linear viscoelastic model. The specific model selected is a series of one Maxwell model and two Voigt models. One of the Voigt models has a negative spring constant which produces tertiary creep. The ice model exhibits a primary, secondary, and tertiary creep response, similar to that observed in uniaxial creep tests of ice. The material properties in the viscoelastic model may be a function of the vertical position in the ice sheet, but all these material properties must be proportional to the same function of position. Using the thin-plate theory for the floating ice sheet, the solution is obtained for the deflection and stresses in the ice sheet for primary, secondary, and tertiary creep regions. It is then shown that for a load that is not distributed over a large area, the time-dependent part of the deflection and stresses is relatively independent of the load's distribution. For the elastic case, the stress significantly depends upon the load's distribution. Results are given for the deflection and stresses as a function of time and distance from the load. The maximum deflection and stresses occur at the center of the load. At this point the deflection increases with time, while the stresses decrease; i.e., the stresses relax. (Author).
Author: V.A. Squire
Publisher: Springer Science & Business Media
ISBN: 9400916493
Category : Technology & Engineering
Languages : en
Pages : 245
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Book Description
Moving Loads on Ice Plates is a unique study into the effect of vehicles and aircraft travelling across floating ice sheets. It synthesizes in a single volume, with a coherent theme and nomenclature, the diverse literature on the topic, hitherto available only as research journal articles. Chapters on the nature of fresh water ice and sea ice, and on applied continuum mechanics are included, as is a chapter on the subject's venerable history in related areas of engineering and science. The most recent theories and data are discussed in great depth, demonstrating the advanced state of the modelling and experimental field programmes that have taken place. Finally, results are interpreted in the context of engineering questions faced by agencies operating in the polar and subpolar regions. Although the book necessarily contains some graduate level applied mathematics, it is written to allow engineers, physicists and mathematicians to extract the information they need without becoming preoccupied with details. Structural, environmental, civil, and offshore engineers, and groups who support these industries, particularly within the Arctic and Antarctic, will find the book timely and relevant.
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 334
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Book Description
Author: L. Makkonen
Publisher: CRC Press
ISBN: 0203627261
Category : Architecture
Languages : en
Pages : 79
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Book Description
This book focuses on two areas of ice technology: the use of ice as a construction material and the problems caused by ice to constructions. In connection with describing past and potential future applications of using ice in construction, a detailed discussion on the mechanical properties of ice is given. A state of the art description on ice-making methods, melt protection, methods and reinforcement of ice with the materials are covered.
Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 444
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Book Description
Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 802
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Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 380
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Book Description
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 284
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Book Description
