Phase Composition of Pore Water in Cold Rocks PDF Download
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Author: Malcolm Mellor
Publisher:
ISBN:
Category : Ice
Languages : en
Pages : 72
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Book Description
The phase composition of pore water in three types of rock subjected to temperature below OC was explored by a variety of techniques. Freezing point depression was measured as a function of water content by differential thermal analysis, the results yielding relationships between unfrozen water content and temperature. In an effort to avoid the practical difficulties involved in differential thermal analysis, attempts were made to determine freezing characteristics indirectly by air penetration and mercury penetration techniques applied at ordinary room temperatures. Electrical conductivity measurements were made as a function of temperature down to -195C in an attempt to obtain information on characteristics of interfacial water films at low temperatures. Thermal strain was measured as a function of temperature in order to detect direct mechanical effects associated with phase changes, chiefly strain discontinuities brought about by volume changes in the pore water during rapid freezing and thawing. Finally, isothermal compressibility whether the rock underwent step changes in volumetric strain at pressures corresponding to those of the phase boundaries for ice polymorphs. (Author).
Author: Malcolm Mellor
Publisher:
ISBN:
Category : Ice
Languages : en
Pages : 72
Get Book Here
Book Description
The phase composition of pore water in three types of rock subjected to temperature below OC was explored by a variety of techniques. Freezing point depression was measured as a function of water content by differential thermal analysis, the results yielding relationships between unfrozen water content and temperature. In an effort to avoid the practical difficulties involved in differential thermal analysis, attempts were made to determine freezing characteristics indirectly by air penetration and mercury penetration techniques applied at ordinary room temperatures. Electrical conductivity measurements were made as a function of temperature down to -195C in an attempt to obtain information on characteristics of interfacial water films at low temperatures. Thermal strain was measured as a function of temperature in order to detect direct mechanical effects associated with phase changes, chiefly strain discontinuities brought about by volume changes in the pore water during rapid freezing and thawing. Finally, isothermal compressibility whether the rock underwent step changes in volumetric strain at pressures corresponding to those of the phase boundaries for ice polymorphs. (Author).
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category : Cold regions
Languages : en
Pages : 92
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Book Description
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1178
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Book Description
Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 810
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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
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category : Frozen ground
Languages : en
Pages : 386
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Book Description
Author: Cold Regions Research and Engineering Laboratory (U.S.)
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 478
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Book Description
Author: David J. A. Evans
Publisher: Taylor & Francis US
ISBN: 0415276136
Category : Geomorphology
Languages : en
Pages : 674
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Book Description
The seven volumes in this series contain reproductions of papers that the individual editors regarded as the initiators of critical concepts in geomorphology.
Author: Kolumban Hutter
Publisher: Springer Science & Business Media
ISBN: 9783540663331
Category : Science
Languages : en
Pages : 642
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Book Description
This book consists of peer-reviewed articles and reviews presented as lectures at the Sixth International Symposium on Thermal Engineering and Sciences for Cold Regions in Darmstadt, Germany. It addresses all relevant aspects of thermal physics and engineering in cold regions, such as the Arctic regions. These environments present many unique freezing and melting phenomena and the relevant heat and mass transfer processes are of basic importance with respect to both the technological applications and the natural context in which they occur. Intended for physicists, engineers, geoscientists, climatologists and cryologists alike, these proceedings cover topics such as: ice formation and decay, heat conduction with phase change, convection with freezing and melting, thermal properties at low temperature, frost heave and permafrost, climate impact in cold regions, thermal design of structures, bio-engineering in cold regions, and many more.
Author: Charles H. McElroy
Publisher: ASTM International
ISBN: 0803114893
Category : Armourstone
Languages : en
Pages : 147
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Book Description
Resulting from the June 1992 symposium on Durability and Specification Conformance Testing of Rock Used for Erosion Control held in Louisville, Kentucky, this volume serves as a reference on both durability and conformance testing of rock for those engaged in production, testing, design, and Quality
