明治時代における鉄道橋梁下部工序説

抄録

There are few papers or publishments on history of railway bridge substructure in Japan, especially up to 1912 (Meiji Era). The aim of the present paper is to overview the substructures of that period. Various types of foundations used are discussed briefly based on a register of railway bridges and tunnels in Japan issued in 1894 and quantitative distribution of various types of foundations is analysed. Structures and functions as well as connstruction methods of several types of foundations which are now historic are described.
Various types of piers and abutments are also discussed and photographs of several examples of stil working substructures are shown.