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Sampling in normal and high sensitive clay - a comparison of results from specimens taken with the SGI large-diameter sampler and the standard piston sampler St II

Swedish title: Sampling in normal and high sensitive clay - a comparison of results from specimens taken with the SGI large-diameter sampler and the standard piston sampler St II
Author Hjördis Löfroth
Series: SGI Varia
Number: 637
Year: 2012
Pages: 26
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Summary The aim of this project is to study the differences in test results from samples taken by this SGI "Block sampler" and the Swedish standard piston sampler, particularly in highly sensitive clay and quick clay, but also in normally sensitive clay. A test site in the Göta River valley that covers both normally sensitive clay and quick clay has been used. At the test site one block sample (of 0,5-1 m) was taken of normally sensitive clay and one block sample of the quick clay. With the standard piston sampler samples of normally sensitive clay and quick clay were taken at the same levels as with the block sampler. On the samples were carried out routine analyses, CRS oedometer tests, direct simple shear tests and active and passive triaxial tests.