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|Title:||Simple automatic falling head permeameter||Authors:||Tan, S.A.||Issue Date:||Mar-1989||Citation:||Tan, S.A. (1989-03). Simple automatic falling head permeameter. Soils and Foundations 29 (1) : 161-164. ScholarBank@NUS Repository.||Abstract:||The proposed method is to keep the conventional falling head test unchanged except to measure the falling head automatically through a very accurate differential pressure transducer. The low pressure end of the transducer is opened to the atmosphere to correct for changes in the atmospheric pressure over the 24 hour duration of a typical permeability test. By means of several repeated falling head permeability tests at different initial heads for the same effective stresses, it is demonstrated that reasonably reliable and repeatable measurements of permeabilities of clay can be made, provided that the applied head difference as a proportion of the current vertical stress is small, so that no significant consolidation or swelling is induced by the seepage head.||Source Title:||Soils and Foundations||URI:||http://scholarbank.nus.edu.sg/handle/10635/66164||ISSN:||00380806|
|Appears in Collections:||Staff Publications|
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