Download or read book The One dimensional Compression Method for Extraction of Pore Water from Unsaturated Tuff and Effects on Pore water Chemistry written by Jerry D. Higgins and published by . This book was released on 1997 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The One dimensional Compression Method for Extraction of Pore Water from Unsaturated Tuff and Effects on Pore water Chemistry written by and published by . This book was released on 1997 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: Study of the hydrologic system at Yucca Mountain, Nevada, requires extraction of pore-water samples from unsaturated tuff bedrock. Two generations of compression cells have been designed and tested for extracting representative, unaltered pore-water samples from unsaturated tuff cores. The one-dimensional compression cell has a maximum compressive stress rating of 552 MPa. Results from 86 tests show that the minimum degree of saturation for successful extraction of pore water was about 14% for non welded tuff and about 61% for densely welded tuff. The high-pressure, one-dimensional compression cell has a maximum compressive stress rating of 827 MPa. Results from 109 tests show that the minimum degree of saturation for successful extraction of pore water was about 7.5% for non welded tuff and about 34% for densely welded tuff. Geochemical analyses show that, in general, there is a decrease in ion concentration of pore waters as extraction pressures increase. Only small changes in pore-water composition occur during the one-dimensional extraction test.
Download or read book The One Dimensional Compression Method for Extraction of Pore Water From Unsaturated Turf written by Jerry D. Higgins, Paul A. Burger, In C. Yang and published by . This book was released on 1997 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pore water Extraction from Unsaturated Tuff by Triaxial and One dimensional Compression Methods Nevada Test Site Nevada written by and published by . This book was released on 1994 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pore water Extraction from Unsaturated Tuff by Triaxial and One dimensional Compression Methods Nevada Test Site Nevada written by and published by . This book was released on 1994 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: The hydrologic system in the unsaturated tuff at Yucca Mountain, Nevada, is being evaluated for the US Department of Energy by the Yucca Mountain Project Branch of the US Geological Survey as a potential site for a high-level radioactive-waste repository. Part of this investigation includes a hydrochemical study that is being made to assess characteristics of the hydrologic system such as: traveltime, direction of flow, recharge and source relations, and types and magnitudes of chemical reactions in the unsaturated tuff. In addition, this hydrochemical information will be used in the study of the dispersive and corrosive effects of unsaturated-zone water on the radioactive-waste storage canisters. This report describes the design and validation of laboratory experimental procedures for extracting representative samples of uncontaminated pore water from welded and nonwelded, unsaturated tuffs from the Nevada Test Site.
Download or read book Water resources Investigations Report written by and published by . This book was released on 1998 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Site Characterization Progress Report written by and published by . This book was released on 1993 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Triaxial compression Extraction of Pore Water from Unsaturated Tuff Yucca Mountain Nevada written by and published by . This book was released on 1989 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1997 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Water resources Investigations Report written by and published by . This book was released on 1997 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrochemical Investigations in Characterizing the Unsaturated Zone at Yucca Mountain Nevada written by and published by . This book was released on 1998 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Preliminary Study of the Chemistry of Pore Water Extracted from Tuff by One dimensional Compression written by and published by . This book was released on 1992 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: A specially designed and fabricated one-dimensional compression cell is being used to extract water from nonwelded and densely welded tuffs having degrees of saturation greater than 16 and 37 percent respectively. Chemical analyses of pore water obtained at increasing pressures are used to evaluate possible changes in chemistry caused by compression. The extracted pore water varies form a calcium chloride type to a sodium bicarbonate type. The mean concentration of dissolved ions generally decreases during compression. The relative abundance of the major cations varies little with increasing pressure. Possible causes of the pore-water-chemistry changes include: (1) dilution of pore water by low ionic strength adsorbed water from zeolites and clays; (2) dissolution reactions caused by the increase in dissolved carbon dioxide concentrations that may result from pressurization; (3) membrane filtration by zeolites and clays; and (4) ion exchange with the zeolites and clays.
Download or read book Interpretation of Chemical and Isotopic Data from Boreholes in the Unsaturated Zone at Yucca Mountain Nevada written by In Che Yang and published by . This book was released on 1996 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydraulic and Hydrochemical Characterisation of Argillaceous Rocks written by and published by OECD. This book was released on 1995 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental isotope study of pore water and of fracture calcites in the Tournemire Toarcian claystones: sampling, analyses and preliminary interpretation / J.-L. Michelot, P. Ricard, A. Barbreau and J.-Y. Boisson -- Pore-water extraction from unsaturated tuff using triaxial and one-dimensional compression methods / I.C. Yang, J.D. Higgins and L.R. Hayes -- Hydraulic characterization of the boom clay formation from the HADES underground laboratory in Mol: evolution and assessment of the Piezometric techniques / P. De Canniøère, M.J. Put and B. Neerdael -- Review of hydraulic field tests in the opalinus clay of Northern Switzerland / R.T. Johns, S.G. Vomvoris, and S. Löw -- Interaction between Wellbore fluids and shale during drilling / L. Bailey, P.I. Reid and J.D. Sherwood -- Determination of hydraulic and hydrochemical characteristics of argillaceous rocks / M. Audiguier, J. Billiotte, X. Daupley and J.Y. Boisson --
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-10 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pore water Extraction from Unsaturated Tuff by Compression Methods Nevada Test Site written by Timothy E. Mower and published by . This book was released on 1990 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radioactive Waste Management written by and published by . This book was released on 1981 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:
