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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

Engelsk titel: 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
Författare Hjördis Löfroth
Serie: SGI Varia
Nummer: 637
År: 2012
Antal sidor: 26
Ladda ner (PDF, 1,43 MB)
Sammanfattning 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.