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Strain Rate Effect On The Strength Of Frozen Silt
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Book Synopsis Frozen Ground Engineering by : Orlando B. Andersland
Download or read book Frozen Ground Engineering written by Orlando B. Andersland and published by John Wiley & Sons. This book was released on 2003-11-05 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition of Frozen Ground Engineering gives a peerless presentation of soil mechanics for frozen ground conditions and a variety of frozen ground support systems used on construction projects worldwide. An authoritative update of the industry standard, this Second Edition covers the essential theory, applications, and design methods using frozen ground in the construction of deep shafts, tunnels, deep excavations, and subsurface containment barriers. New material features design models for pavement structures used in seasonal frost and permafrost areas, new information on the movement of fluid phase contaminants in frozen ground, and helpful appendices offering guidance on common frozen ground tests and SI unit conversions. This new edition gives the essential information engineers, geologists, and students need in a complete reference, including up-to-date information on: Sensitivity of frozen ground to climate change Experimental work on frozen soil creep and strength Monitoring creep in frozen slopes Frost protection of foundations using ground insulation Highway insulation Load restrictions for seasonal frost areas
Download or read book CRREL Report written by and published by . This book was released on 1987 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Safety and Reliability by : TIM BEDFORD
Download or read book Safety and Reliability written by TIM BEDFORD and published by CRC Press. This book was released on 2003-01-01 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings contain two hundred and eighteen papers representing the work of authors from countries across the world. They cover a wide range of research and applications in safety and reliability issues that concern all types of systems, processes and structures.
Book Synopsis Technical Report by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book Technical Report written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1977 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strain Rate Effect on the Strength of Frozen Silt by : F. D. Haynes
Download or read book Strain Rate Effect on the Strength of Frozen Silt written by F. D. Haynes and published by . This book was released on 1975 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uniaxial compression and tension tests were conducted on frozen Fairbanks silt at a temperature of -10 C.A relatively stiff testing machine was operated at a constant displacement rate for each test. The tests showed that compressive strength is very sensitive to strain rate and the tensile strength is relatively insensitive to it. The compressive strength increased ten times over a srain rate range of .00012/S to 2.9/s. As was found in other investigations, tangent moduli increased slightly with greater strain rates. The specific eney increased at higher strain rates for compression tests and decreased slightly for tension tests. For increased strain rates, uniaxial compression strength showed no tendency to plateua; nor did the specific energy a minimum during uniaxial tensile testing. (Author).
Download or read book Special Report written by and published by . This book was released on 1994 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanics of Geomaterial Interfaces by : A.P.S. Selvadurai
Download or read book Mechanics of Geomaterial Interfaces written by A.P.S. Selvadurai and published by Elsevier. This book was released on 1995-01-30 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: The subject of geomaterial interfaces recognizes the important influences of the interface behaviour on the performance of interfaces involving cementaceous materials such as concrete and steel, ice-structure interfaces, concrete-rock interfaces and interfaces encountered in soil reinforcement. During the past two decades, the subject of geomaterial interfaces has attracted the concerted attention of scientists and engineers both in geomechanics and applied mechanics. These efforts have been largely due to the observation that the conventional idealizations of the behaviour of interfaces between materials by frictionless contact, bonded contact, Coulomb friction or finite friction tend to omit many interesting and important influences of special relevance to geomaterials. The significant manner in which non-linear effects, dilatancy, contact degradation, hardening and softening, etc., can influence the behaviour of the interface is borne out by experimental evidence. As a result, in many instances, the response of the interface can be the governing criterion in the performance of a geomechanics problem.The primary objective of this volume is to provide a documentation of recent advances in the area of geomaterial interfaces. The volume consists of subject groupings which cover ice-structure, soil-structure and steel-concrete interfaces, mechanics of rock and concrete joints and interfaces in discrete systems.
Book Synopsis Instabilities in alpine permafrost: strength and stiffness in a warming regime by : Yuko Yamamoto
Download or read book Instabilities in alpine permafrost: strength and stiffness in a warming regime written by Yuko Yamamoto and published by vdf Hochschulverlag AG. This book was released on 2014-08-20 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: Alpine permafrost exists at high altitude at lower latitudes, such as in the Swiss Alps. Accelerating climate change, including rising mean annual air temperature and extreme rainfall conditions in alpine regions induces permafrost degradation. The warming of permafrost causes accelerated creep of rock glaciers, due to increased unfrozen water content and higher deformability of the ice phase. Recently, the development of deepening depressions has been observed in several rock glaciers in Switzerland, and the changes in land surface characteristics and drainage systems may initiate slope instabilities in rock glaciers. The main aim of this thesis is to characterise the strength and stiffness of alpine frozen soil in rock glaciers. To this end, the geotechnical response, such as creep and failure of frozen soil was investigated through a triaxial stress path testing programme with novel measurement systems for detecting acoustic emissions and measuring volumetric change. In addition, the resistance to crack initiation and propagation was investigated through a beam bending test programme on rectangular artificially frozen soil specimens, using the acoustic emission measurement system. The evaluation of laboratory tests on artificially frozen soil specimens implied that the development of deep depressions in rock glaciers occurs through differential creep and thermal degradation, and that the rate of deformation has the potential to lead to instabilities in rock glaciers. A comparison of the simulation results with the experimental data demonstrated that the semi-coupled model was successful in simulating the most important aspects of the temperature-dependent stress-strain relationship for the frozen soil behaviour that was measured at the element scale. This thesis contributes to an understanding of the variations in geotechnical response of alpine permafrost, by investigating the behaviour of artificially frozen soil specimens experimentally and numerically with time and temperature under specific stress paths. However, further investigations are necessary to assess the long-term stability of rock glaciers affected by climate change.
Author :Orlando B. Andersland Publisher :Springer Science & Business Media ISBN 13 :1475722907 Total Pages :363 pages Book Rating :4.4/5 (757 download)
Book Synopsis An Introduction to Frozen Ground Engineering by : Orlando B. Andersland
Download or read book An Introduction to Frozen Ground Engineering written by Orlando B. Andersland and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: Frozen Ground Engineering first introduces the reader to the frozen environment and the behavior of frozen soil as an engineering material. In subsequent chapters this information is used in the analysis and design of ground support systems, foundations, and embankments. These and other topics make this book suitable for use by civil engineering students in a one-semester course on frozen ground engineering at the senior or first-year-graduate level. Students are assumed to have a working knowledge of undergraduate mechanics (statics and mechanics of materials) and geotechnical engineering (usual two-course sequence). A knowledge of basic geology would be helpful but is not essential. This book will also be useful to advanced students in other disciplines and to engineers who desire an introduction to frozen ground engineering or references to selected technical publications in the field. BACKGROUND Frozen ground engineering has developed rapidly in the past several decades under the pressure of necessity. As practical problems involving frozen soils broadened in scope, the inadequacy of earlier methods for coping became increasingly apparent. The application of ground freezing to geotechnical projects throughout the world continues to grow as significant advances have been made in ground freezing technology. Freezing is a useful and versatile technique for temporary earth support, groundwater control in difficult soil or rock strata, and the formation of subsurface containment barriers suitable for use in groundwater remediation projects.
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1980 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Survey of Canada, Open File 1135 by :
Download or read book Geological Survey of Canada, Open File 1135 written by and published by Natural Resources Canada. This book was released on with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1976 with total page 1194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CRREL Benchnotes written by and published by . This book was released on 1976 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Survey of Canada, Open File 932 by :
Download or read book Geological Survey of Canada, Open File 932 written by and published by Natural Resources Canada. This book was released on with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book Research Report - Corps of Engineers, U.S. Army, Cold Regions Research and Engineering Laboratory written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1956 with total page 1010 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis CRREL Technical Publications, 1950-1975 by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book CRREL Technical Publications, 1950-1975 written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1992 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Library Acquisitions by : United States. Department of Transportation
Download or read book Selected Library Acquisitions written by United States. Department of Transportation and published by . This book was released on with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
