oa Civil Engineering = Siviele Ingenieurswese - Selection of geofabrics for filtration applications with particular reference to gold tailings
Selection criteria have been reviewed in relation to the results of pore size determination by direct and indirect methods. The range of materials which could be selected by a combination of extreme criteria with extreme pore sizes has been demonstrated as being too large to justify, without further investigation, the selection of geofabrics for critical applications. A method based on direct comparison of the pores of a geofabric with those of a granular filter selected by conventional criteria, has been proposed. The current method of interpretation of reverse sieving results has been shown to be fundamentally incorrect.
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