PREFABRICATED TUNNEL AND CONSTRUCTION METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide a prefabricated tunnel and a construction method therefore, which enhance adaptability to an site environment. SOLUTION: This prefabricated tunnel 1 is constructed of: precast concrete side walls 10 which are erected in a mutually opposed manner; and cast-in-place concrete ceiling slabs 20 which are laid between top parts 13 of the side walls 10. The ceiling slabs 20 and the side walls 10 are made to serve as an integral structure by using cast-in-place concrete 25. COPYRIGHT: (C)2003,JPO