INVESTIGATION ON STRUCTURES SUPPORTED BY WOOD PILE FOUNDATION DURING THE 1948 FUKUI EARTHQUAKE

Abstract

 The 1948 Fukui earthquake caused extensive damage to casualties and structures in the Fukui plain region, which is a soft alluvial ground. This study focused on bridges and buildings supported by wood pile foundation that existed in the earthquake-stricken area, and investigated the design method of wood piles, effects of seismic motion and liquefaction on the wood piles and soundness of the excavated wood piles. As a result, it was clarified that the structures supported by wood pile foundation that experienced the Fukui earthquake had very minor damage to the superstructure due to seismic motion and liquefaction, and the wood piles used as the foundation were also sound.