Abstract
This paper investigates the effectiveness of stone columns as remedial measures against lateral spreading in a 3×3 flexible pile group by conducting 1-g large scale shake table tests. In order to evaluate the performance of employed stone columns, comparisons were made between profiles of bending moments in individual piles of the groups obtained for two different cases, i.e. using stone columns as mitigation measures and without using any mitigation measure. The results show that stone columns can effectively reduce the bending moments in piles due to lateral spreading up to a particular level of earthquake magnitude.
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