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Measurement Of Gas Permeability Through Clay Soils
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Book Synopsis Measurement of Gas Permeability Through Clay Soils by : MT. Izadi
Download or read book Measurement of Gas Permeability Through Clay Soils written by MT. Izadi and published by . This book was released on 1992 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The engineering profession currently has a standard for measuring the coefficient of water permeability of saturated fine grained soils. However, there has not been any attempt to standardized the procedure of measuring the coefficient of gas permeability of unsaturated fine grained soils. Low permeability fine grained soils are often used in landfills as barriers to retard the movement of hazardous gases.
Book Synopsis Measurement of Gas Permeability in Geosynthetic Clay Liners in Transient Flow Mode by : Heraldo Nunes Pitanga
Download or read book Measurement of Gas Permeability in Geosynthetic Clay Liners in Transient Flow Mode written by Heraldo Nunes Pitanga and published by . This book was released on 2011 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geosynthetic clay liners (GCLs) are often selected as a part of the barrier layer for cover systems in solid waste landfills to prevent infiltration of rainfall and migration of biogas into the atmosphere. To address the ability of GCLs to mitigate gas flow through cover layers, this paper presents an apparatus and testing method to measure the gas permeability of non-saturated and strained GCLs in the laboratory. The test is performed following a transient gas flow regime, and the test results are interpreted using a simple analytical solution. A series of gas permeability tests was performed on a needle-punched GCL with a degree of saturation between 32 % and 47 %. The specimens were tested under a 20 kPa load and 1.3 % strain in the radial direction, whereas the gas flow was induced by a gas differential pressure of less than 4 kPa. The results show that both the apparatus and the testing method can provide a reliable, fast, and simple method to measure the gas permeability of GCLs.
Book Synopsis Current Practices in Ground Water and Vadose Zone Investigations by : David Nielsen
Download or read book Current Practices in Ground Water and Vadose Zone Investigations written by David Nielsen and published by ASTM International. This book was released on 1992 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Clay Geosynthetic Barriers by : H. Zanzinger
Download or read book Clay Geosynthetic Barriers written by H. Zanzinger and published by CRC Press. This book was released on 2022-01-27 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clay geosynthetic barriers are most frequently used in environmental areas, such as landfill cover systems. This work discusses the durability and lifetime aspects of clay geosynthetic barriers related to the synthetic yarns and fibres.
Book Synopsis Gas Permeability Measurement of Unsaturated Fine Grained Soils by : Mohammad Taghi Izadi
Download or read book Gas Permeability Measurement of Unsaturated Fine Grained Soils written by Mohammad Taghi Izadi and published by . This book was released on 19?? with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Coefficient of Permeability of Clay Soils Using Alternating Current Electroosmosis by : Melanie Lynn Bauer
Download or read book Measurement of the Coefficient of Permeability of Clay Soils Using Alternating Current Electroosmosis written by Melanie Lynn Bauer and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methods of Soil Analysis, Part 4 by : Jacob H. Dane
Download or read book Methods of Soil Analysis, Part 4 written by Jacob H. Dane and published by John Wiley & Sons. This book was released on 2020-05-27 with total page 1744 pages. Available in PDF, EPUB and Kindle. Book excerpt: The best single reference for both the theory and practice of soil physical measurements, Methods, Part 4 adopts a more hierarchical approach to allow readers to easily find their specific topic or measurement of interest. As such it is divided into eight main chapters on soil sampling and statistics, the solid, solution, and gas phases, soil heat, solute transport, multi-fluid flow, and erosion. More than 100 world experts contribute detailed sections.
Book Synopsis Subsurface Fluid Flow (ground-water and Vadose Zone) Modeling by : Joseph D. Ritchey
Download or read book Subsurface Fluid Flow (ground-water and Vadose Zone) Modeling written by Joseph D. Ritchey and published by ASTM International. This book was released on 1996 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantifying and Modeling Soil Strucure Dynamics by : Sally Logsdon
Download or read book Quantifying and Modeling Soil Strucure Dynamics written by Sally Logsdon and published by John Wiley & Sons. This book was released on 2020-01-22 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantifying and Modeling Soil Structure Dynamics emphasizes a systems approach to how soil structure changes in response to inputs and to the environment. Soil structure is a dynamic, complex system affected by tillage, wheel traffic, roots, soil life, shrink–swell, and freeze–thaw. In turn, soil structure affects root growth and function, soil fauna, solute transport, water infiltration, gas exchange, thermal and electrical conductivities, traffic bearing capacity, and more. Ignoring soil structure or viewing it as “static” can lead to poor predictions and management. Readers will especially appreciate the description of soil structure influence on endpoints, such as environmental contamination and efficient water use, and how models should be adjusted to include dynamic soil structure components for accurate outputs.
Book Synopsis Assessment of the Performance of Engineered Waste Containment Barriers by : National Research Council
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.
Book Synopsis Handbook of Soil Science by : Malcolm E. Sumner
Download or read book Handbook of Soil Science written by Malcolm E. Sumner and published by CRC Press. This book was released on 1999-08-31 with total page 2240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Soil Science provides a resource rich in data that gives professional soil scientists, agronomists, engineers, ecologists, biologists, naturalists, and their students a handy reference about the discipline of soil science. This handbook serves professionals seeking specific, factual reference information. Each subsection includes a description of concepts and theories; definitions; approaches; methodologies and procedures; tabular data; figures; and extensive references.
Book Synopsis Manual, bioventing principles and practices by :
Download or read book Manual, bioventing principles and practices written by and published by DIANE Publishing. This book was released on with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In-situ Permeability Measurements with the Cone Permeameter{trademark} Measurement System by :
Download or read book In-situ Permeability Measurements with the Cone Permeameter{trademark} Measurement System written by and published by . This book was released on 1998 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: The permeability of soil to fluid flow defines the magnitude of soil gas and groundwater flow under imposed pressure gradients. Pressure gradients exist due to natural effects such as hydraulic gradients (in the case of groundwater) and barometrically imposed gradients (in the case of soil gas). Unnatural gradients are imposed by soil vapor extraction air sparging, active venting, pump-and-treat, and other remediation processes requiring the active movement of fluids through the soil. The design of these processes requires knowledge of the flow characteristics of the soil. The most variable of the soil's flow characteristics is its permeability, which can vary by several orders of magnitude in a given geologic and hydrologic setting. Knowledge of soil gas permeability is needed to design soil vapor extraction systems and predict the general movement of gas in soil. Saturated hydraulic conductivity, or the soil's permeability to liquid flow, is required to predict movement of groundwater in saturated soils. The variability of permeability is illustrated by the range of values for different media in a table. It is not uncommon for permeabilities to vary by several orders of magnitude at a given site.
Book Synopsis U.S. Geological Survey Toxic Substances Hydrology Program by : Gail E. Mallard
Download or read book U.S. Geological Survey Toxic Substances Hydrology Program written by Gail E. Mallard and published by . This book was released on 1992 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geologie Controls on Radon by : Alexander E. Gates
Download or read book Geologie Controls on Radon written by Alexander E. Gates and published by Geological Society of America. This book was released on 1992-01-01 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: Indice del volume: Preface p.v; 1. Geology of the Radon in the United States p.1; 2. Sensitivity of Soil Radon to Geology and the Distribution of Radon and Uranium in the Hylas Zone Area, Virginia p.17; 3. Geologic and Environmental Implications of High Soil-Gas Radon Concentrations in the Great Valley, Jefferson and Berkeley Counties, West Virginia p.29; 4. Soil Radon Distribution in Glaciated Areas: an Example from the New Jersey Highlands p.45; 5. Radon in the Coastal Plain of Texas, Alabama, and the New Jersey p.53; 6. Effects of Weather and Soil Characteristics on Temporal Variations in Soil-Gas Radon Concentrations p.65; 7. A Theoretical Model for the Flux of Radon from Rock to Ground Water p.73; 8. The Influence of Season, Bedrock, Overburden, and House Construction on Airborne Levels of Radon in Maine Homes p.79.
Book Synopsis Field Studies of Radon in Rocks, Soils, and Water by : Geological Survey (U.S.)
Download or read book Field Studies of Radon in Rocks, Soils, and Water written by Geological Survey (U.S.) and published by . This book was released on 1991 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: U.S. Geological Survey research on the geology, geophysics, and geochemistry of radon in rocks, soils, and water.
Book Synopsis Field Studies of Radon in Rocks, Soils, and Water by : Linda C. S. Gundersen
Download or read book Field Studies of Radon in Rocks, Soils, and Water written by Linda C. S. Gundersen and published by CRC Press. This book was released on 2020-11-26 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Field Studies of Radon in Rocks, Soils, and Water focuses on the principal sources of indoor radon and detecting radon through geochemical and hydrological studies of ground water. The book addresses how to measure radon, covers geological field study techniques, and presents techniques for assessing radon potential. The geochemical and hydrological studies of ground water cover such areas as health effects and radionuclides in geology. Techniques for measuring radon in ground water are also provided. Field Studies of Radon in Rocks, Soils, and Water is an excellent practical guide for geologists, geochemists, ground water professionals, and geophysicists interested in radon. Features