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Author : Ola Karnland
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.3/5 (91 download)
Download or read book Cement/bentonite Interaction written by Ola Karnland and published by . This book was released on 1997 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Experimental Characterization and Quantification of Cement-bentonite Interaction Using Core Infiltration Techniques Coupled with X-ray Tomography written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jarmo Lehikoinen
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (868 download)
Download or read book Bentonite-cement interaction - preliminary results from model calculations written by Jarmo Lehikoinen and published by . This book was released on 2009 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Susan Lynn Duerden
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (599 download)
Download or read book Review of the Interactions Between Bentonite and Cement written by Susan Lynn Duerden and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. W. Oscarson
Publisher : Pinawa, Man. : Whiteshell Laboratories
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (319 download)
Download or read book Aspects of Clay/concrete Interactions written by D. W. Oscarson and published by Pinawa, Man. : Whiteshell Laboratories. This book was released on 1997 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aecl has submitted an environmental impact statement (eis) to evaluate the concept of nuclear fuel disposal at depth in crystalline rock of the canadian shield. in this disposal concept used fuel would be emplaced in corrosion-resistant containers which would be surrounded by clay-based buffer and backfill materials. once groundwater is able to penetrate the buffer and corrosion-resistant container, radionuclides could be transported from the waste form to the surrounding geosphere, and eventually to the biosphere. the release of radionuclides from the waste form and their subsequent transport would be determined by the geochemistry of the disposal vault and surrounding geosphere. organic substances affect the geochemistry of radionuclides through complexation reactions that increase solubility and alter mobility, be affecting the redox of certain radionuclides and be providing food for microbes. the purpose of this study was to determine whether the buffer and backfill materials proposed for use in a disposal vault contain organics that could be leached by groundwarer in large enough quantities to complex with radionuclides and affect their mobility within the disposal vault and surrounding geosphere. buffer material, made from a mixture of 50 wt.% avonlea sodium bentonite and 50 wt.% silica sand, was extracted with deionized water to determine the release of dissolved organic carbon, humic acid and fulvic acid. the effect of radiation and heat from the used fuel was simulated by treating samples of buffer before leaching to various amounts of heat (60 degrees c and 90 degrees c) for periods of 2,4 and 6 weeks, and to ionizing radiation with doses of 25 kgy and 50 kgy. humic substances were isolated from the leachates to determine the concentrations of humic and fulvic acids and to determine their functional group content by acid-base titrations. the results showed that groundwater could leach significant amounts of organics that would complex with radionuclides such as the actinides, affecting their solubility and transport within the disposal vault and possible the surrounding geosphere. heating and radiation affect the amount and nature of leachable organics. however, one of the key parameters that needs to be addressed is the mobility of organic molecules through an intact buffer and backfill.
Author : P.L.J. Domone
Publisher : CRC Press
ISBN 13 : 0203487788
Total Pages : 237 pages
Book Rating : 4.2/5 (34 download)
Download or read book Structural Grouts written by P.L.J. Domone and published by CRC Press. This book was released on 1993-12-09 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book considers the properties of grouts, and how they may be formulated for different purposes, and application areas where the advantages of grouts have been assessed and ratified. Case studies illustrate benefits, problems and future potential. The book gathers together a substantial amount of information on grout properties, utilisation and
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309108098
Total Pages : 135 pages
Book Rating : 4.3/5 (91 download)
Download or read book Assessment of the Performance of Engineered Waste Containment Barriers written by National Research Council and published by National Academies Press. This book was released on 2007-09-22 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: President Carter's 1980 declaration of a state of emergency at Love Canal, New York, recognized that residents' health had been affected by nearby chemical waste sites. The Resource Conservation and Recovery Act, enacted in 1976, ushered in a new era of waste management disposal designed to protect the public from harm. It required that modern waste containment systems use "engineered" barriers designed to isolate hazardous and toxic wastes and prevent them from seeping into the environment. These containment systems are now employed at thousands of waste sites around the United States, and their effectiveness must be continually monitored. Assessment of the Performance of Engineered Waste Containment Barriers assesses the performance of waste containment barriers to date. Existing data suggest that waste containment systems with liners and covers, when constructed and maintained in accordance with current regulations, are performing well thus far. However, they have not been in existence long enough to assess long-term (postclosure) performance, which may extend for hundreds of years. The book makes recommendations on how to improve future assessments and increase confidence in predictions of barrier system performance which will be of interest to policy makers, environmental interest groups, industrial waste producers, and industrial waste management industry.
Author : D. Savage
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (793 download)
Download or read book Experimental and modelling studies to assess cement-bentonite interaction written by D. Savage and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vittorio Guglielmetti
Publisher : CRC Press
ISBN 13 : 1134110561
Total Pages : 529 pages
Book Rating : 4.1/5 (341 download)
Download or read book Mechanized Tunnelling in Urban Areas written by Vittorio Guglielmetti and published by CRC Press. This book was released on 2008-01-07 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: Internationally, the mechanized excavation of tunnels has intensified in the last two decades, as the number of tunnels being constructed for subways and railway underpasses increases. The subject of mechanized tunnelling in urban areas has not previously received the attention that it deserves, despite there being specific hazards associated with the construction of tunnels in metropolitan areas, including poor ground conditions, water tables higher than the level of tunnels, and subsidence leading to damage to the existing structures on the surface. The application of technologies for achieving the stability of the tunnel and for minimizing surface settlement is described in this book. Accurate characterization of the ground; rigorous assessment and management of risk from design to maintenance; the correct choice of a tunnel boring machine and a plan for the advancement of the tunnel; specific excavation procedures and real-time monitoring of excavation parameters are all discussed in this thorough work.
Author : Altmaier, M.
Publisher : KIT Scientific Publishing
ISBN 13 : 3731508257
Total Pages : 342 pages
Book Rating : 4.7/5 (315 download)
Download or read book Proceedings of the Second Workshop of the HORIZON 2020 CEBAMA Project (KIT Scientific Reports ; 7752) written by Altmaier, M. and published by KIT Scientific Publishing. This book was released on 2019-03-22 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles Wesley Davis
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.3/5 (91 download)
Download or read book Bentonite written by Charles Wesley Davis and published by . This book was released on 1940 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xuanmei Fan
Publisher : Frontiers Media SA
ISBN 13 : 2832516610
Total Pages : 352 pages
Book Rating : 4.8/5 (325 download)
Download or read book Interaction between human activities and geo-environment for sustainable development written by Xuanmei Fan and published by Frontiers Media SA. This book was released on 2023-03-02 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Liangtong Zhan
Publisher : Springer
ISBN 13 : 981132221X
Total Pages : 892 pages
Book Rating : 4.8/5 (113 download)
Download or read book Proceedings of the 8th International Congress on Environmental Geotechnics Volume 1 written by Liangtong Zhan and published by Springer. This book was released on 2018-10-10 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers selected papers presented at the 8th International Congress on Environmental Geotechnics (ICEG), held on October 28 - November 1, 2018 in Hangzhou, China. The theme of the congress is “Towards a Sustainable Geoenvironment”, which means meeting the needs of the present generation without compromising the ability of future generations to meet their own needs. Under this theme, the congress covers a broad range of topics and provides an excellent opportunity for academics, engineers, scientists, government officials, regulators, and planners to present, discuss and exchange notes on the latest advances and developments in the research and application of environmental geotechnics.
Author : Michael Ochs
Publisher : Springer
ISBN 13 : 9783319342580
Total Pages : 301 pages
Book Rating : 4.3/5 (425 download)
Download or read book Radionuclide and Metal Sorption on Cement and Concrete written by Michael Ochs and published by Springer. This book was released on 2016-08-23 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cementitious materials are being widely used as solidification/stabilisation and barrier materials for a variety of chemical and radioactive wastes, primarily due to their favourable retention properties for metals, radionuclides and other contaminants. The retention properties result from various mineral phases in hydrated cement that possess a high density and diversity of reactive sites for the fixation of contaminants through a variety of sorption and incorporation reactions. This book presents a state of the art review and critical evaluation of the type and magnitude of the various sorption and incorporation processes in hydrated cement systems for twenty-five elements relevant for a broad range of radioactive and industrial wastes. Effects of cement evolution or ageing on sorption/incorporation processes are explicitly evaluated and quantified. While the immobilisation of contaminants by mixing-in during hydration is not explicitly addressed, the underlying chemical processes are similar. A quantitative database on the solid/liquid distribution behaviour of radionuclides and other elements in hydrated cement systems is established on the basis of a consistent review and re-evaluation of literature data. In addition to recommended values, all underlying original experimental data and key experimental info rmation are provided, which allows users to trace the given recommendations or to develop their own set of key values. This database is closely tied to the safety analysis of near surface disposal of radioactive waste in Belgium. It focuses on radioelements, toxic stable elements and heavy metals, which makes it relevant for investigations involving the interaction of radioactive and conventional contaminants with cement-based barriers.
Author : S. Norris
Publisher : Geological Society of London
ISBN 13 : 1786202735
Total Pages : 366 pages
Book Rating : 4.7/5 (862 download)
Download or read book Radioactive Waste Confinement written by S. Norris and published by Geological Society of London. This book was released on 2017-05-04 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is internationally accepted that the safest and most sustainable option for managing radioactive waste is geological disposal, utilizing both engineering and geology to isolate the waste and contain the radioactivity. This Special Publication contains 25 scientific studies presented at the 6th conference on ‘Clays in natural and engineered barriers for radioactive waste confinement’ held in Brussels, Belgium in 2015. The conference and this resulting volume cover many of the aspects of clay characterization and behaviour considered at various temporal and spatial scales relevant to the confinement of radionuclides in clay, from basic phenomenological process descriptions to the global understanding of performance and safety at repository and geological scales. The papers in this volume consider research into argillaceous media under the following topic areas: large-scale geological characterization; general strategy for clay-based disposal systems; geomechanics; mass transfer; bentonite evolution and gas transfer. The collection of different topics presented in this Special Publication demonstrates the diversity of geological repository research.
Author : Michael J Apted
Publisher : Woodhead Publishing
ISBN 13 : 0081006527
Total Pages : 804 pages
Book Rating : 4.0/5 (81 download)
Download or read book Geological Repository Systems for Safe Disposal of Spent Nuclear Fuels and Radioactive Waste written by Michael J Apted and published by Woodhead Publishing. This book was released on 2017-05-25 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geological Repository Systems for Safe Disposal of Spent Nuclear Fuels and Radioactive Waste, Second Edition, critically reviews state-of-the-art technologies and scientific methods relating to the implementation of the most effective approaches to the long-term, safe disposition of nuclear waste, also discussing regulatory developments and social engagement approaches as major themes. Chapters in Part One introduce the topic of geological disposal, providing an overview of near-surface, intermediate depth, and deep borehole disposal, spanning low-, medium- and high-level wastes. Part Two addresses the different types of repository systems – crystalline, clay, and salt, also discussing methods of site surveying and construction. The critical safety issue of engineered barrier systems is the focus of Part Three, with coverage ranging from nuclear waste canisters, to buffer and backfill materials. Lastly, Parts Four and Five focus on safety, security, and acceptability, concentrating on repository performance assessment, then radiation protection, environmental monitoring, and social engagement. Comprehensively revised, updated, and expanded with 25% new material on topics of current importance, this is the standard reference for all nuclear waste management and geological repository professionals and researchers. - Contains 25% more material on topics of current importance in this new, comprehensive edition - Fully updated coverage of both near-surface/intermediate depth, and deep borehole disposal in one convenient volume - Goes beyond the scientific and technical aspects of disposal to include the political, regulatory, and societal issues involved, all from an international perspective
Author : Johannes Fink
Publisher : Gulf Professional Publishing
ISBN 13 : 0128037350
Total Pages : 854 pages
Book Rating : 4.1/5 (28 download)
Download or read book Petroleum Engineer's Guide to Oil Field Chemicals and Fluids written by Johannes Fink and published by Gulf Professional Publishing. This book was released on 2015-08-31 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt: The oil and gas engineer on the job requires knowing all the available oil field chemicals and fluid applications that are applicable to the operation. Updated with the newest technology and available products, Petroleum Engineer's Guide to Oil Field Chemicals and Fluids, Second Edition, delivers all the necessary lists of chemicals by use, their basic components, benefits, and environmental implications. In order to maintain reservoir protection and peak well production performance, operators demand to know all the options that are available. Instead of searching through various sources, Petroleum Engineer's Guide to Oil Field Chemicals and Fluids, Second Edition, presents a one-stop non-commercialized approach by organizing the products by function, matching the chemical to the process for practical problem-solving and extending the coverage with additional resources and supportive materials. Covering the full spectrum, including fluid loss additives, drilling muds, cement additives, and oil spill treating agents, this must-have reference answers to every oil and gas operation with more options for lower costs, safer use, and enhanced production. - Effectively locate and utilize the right chemical application specific to your oil and gas operation with author's systematic approach by use - Gain coverage on all oil field chemicals and fluids needed throughout the entire oil and gas life cycle, including drilling, production, and cementing - Understand environmental factors and risks for oil field chemicals, along with pluses and minuses of each application, to make the best and safest choice for your operation
