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Assessment of reliability of the hydrometer by examination of sediment

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dc.contributor.author Stott, Philip
dc.contributor.author Monye, Priscilla
dc.contributor.author Theron, Elizabeth
dc.date.accessioned 2017-11-07T06:52:50Z
dc.date.available 2017-11-07T06:52:50Z
dc.date.issued 2016
dc.identifier.uri http://hdl.handle.net/11462/1246
dc.description Published Conference Proceedings en_US
dc.description.abstract A fundamental aspect of the characterization of any soil is the assessment of its particle size distribution. While this is relatively easy for the coarse fraction it remains problematic for soil fines particu-larly for the clay fraction. Hydrometer analysis has been the standard tool for fines assessment for many years but there may be serious shortcomings. Nettleship et al. (1997), Savage (2007), Rodrigues et al. (2011) and many others have pointed to a number of problems facing the hydrometer. Some of the questions have been addressed by laser scattering techniques, but others, including completeness of dispersion and the amount of clay carried down with coarser fractions remain problematic. This investigation assesses some aspects of the reliability of the hydrometer by isolating and testing the sand and silt fractions after settlement. Microscopic examination is used to compare the presence of clay in each fraction with that expected according to hydrometer theory en_US
dc.format.extent 2 388 963 bytes, 1 file
dc.format.mimetype Application/PDF
dc.language.iso en_US en_US
dc.publisher First Southern African Geotechnical Conference, At Sun City, South Africa en_US
dc.title Assessment of reliability of the hydrometer by examination of sediment en_US
dc.type Presentation en_US

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