Ocena możliwości oznaczenia granicy plastyczności metodą penetrometru stożkowego

Krystyna Jaśkiewicz, Małgorzata Wszędyrówny-Nast


Possibility of application of fall cone method for plastic limit determination.
A b s t r a c t. The plastic limit of soils was first described by Atterberg in 1911. The thread-rolling test became one of the standard tests of soil mechanics. In recent years this method has been the subject of much criticism. This paper reviews the original method of plastic limit determination as proposed by Atterberg and the fall cone methods for determining at the same time both the liquid and the plastic limits of soils. The tests were performed on 748 samples representing a wide range of soil type with different clay content ranging from 4 to 79%.

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