Norm

ASTM D5890 - 11 en

Standard Test Method for Swell Index of Clay Mineral Component of Geosynthetic Clay Liners

  • Deze norm is ingetrokken sinds 01-08-2018

50,60 61,23 Incl BTW

Over deze norm

Status Ingetrokken
Aantal pagina's 7
Gepubliceerd op 01-10-2011
Taal Engels

1.1 This test method covers an index method that enables the evaluation of swelling properties of a clay mineral in reagent water for estimation of its usefulness for permeability or hydraulic conductivity reduction in geosynthetic clay liners (GCL).

1.2 It is adapted from United States Pharmacopeia (USP) test method for bentonite.

1.3 Powdered clay mineral is tested after drying to constant weight at 105 ± 5°C; granular clay mineral should be ground to a 100 % passing a 100 mesh U.S. Standard Sieve with a minimum of 65 % passing a 200 mesh U.S. Standard Sieve. The bentonite passing the 100 mesh U.S. Standard Sieve is used for testing after drying to constant weight at 105 ± 5°C.

1.4 The values stated in SI units are to be regarded as the standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 7.

Details

ICS-code 17.120.01
Engelse titel Standard Test Method for Swell Index of Clay Mineral Component of Geosynthetic Clay Liners
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