TESTING METHODS FOR MECHANICALLY IMPROVED SOILS: RELIABILITY AND VALIDITY

Ana Petkovšek, Matej Maček, Jasna Smolar

Abstract


A possibility of in-situ mechanical improvement for reducing the liquefaction potential of silty sands was investigated by using three different techniques: Vibratory Roller Compaction, Rapid Impact Compaction (RIC) and Soil Mixing. Material properties at all test sites were investigated before and after improvement with the laboratory and the in situ tests (CPT, SDMT, DPSH B, static and dynamic load plate test, geohydraulic tests). Correlation between the results obtained by different test methods gave inconclusive answers.

Keywords


Liquefaction, Experimental Site, Rapid Impact Compaction, Soil Mixing

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ISSN 2336-5382 (Online)
Published by the Czech Technical University in Prague