Abstract
Iron piles with screws (screw piles) had been developed from the middle of 19th century in European countries including Ireland and Great Britain applying to the foundations of bridges, lighthouses and jetties. Screw pile is iron or steel pile with cast iron screw at the bottom end to be propelled into ground due to torque introduced at the head. Screw pile was introduced into Japan at the beginning of Meiji Era and had been applied to bridge piers, foundation of lighthouse and jetties etc. In this paper the process of the development of screw piles in Modern Japan had been clarified and studied by examining the practical applications in Japan as well as European countries.
