Model test of stone columns as liquefaction countermeasure in sandy soils

Abstract

The shaking table model test was conducted to investigate earthquake resistant behavior of stone columns under the intensity of an earthquake resistance of buildings is VIII. The test results show that when acceleration is less than 0.20 g, composite foundation is not liquefied, settlement is also small and pile dislocation is not observed; when acceleration is 0.3g, ground outside embankment’s slope toe is liquefied and ground within stone column composite foundation is not. It is suggesting that reinforcement scale of stone column foundation should be widened properly. The designed stone column composite foundation meets the requirements for seismic resistance.

Keywords

stone column composite foundation / seismic liquefaction / shaking table test

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Higher Education Press and Springer-Verlag Berlin Heidelberg