To provide a shield machine and a shield construction method capable of easily constructing tunnels having different sizes of cross sectional shapes.
This shield machine 1 is constituted such that a plurality of single unit shield machines 10 are arranged in the direction crossing the direction of advance of the single unit shield machines 10, the single unit shield machine 10 is provided with a side face blocking member 20 blocking a clearance between side faces of adjacent bodies 11 and a tip face blocking member 30 blocking a clearance between tip faces of adjacent bodies 11, a part of adjacent cutters 40 is mutually overlapped in the direction crossing the direction of advance of the single unit shield machines 10, and adjacent single unit shield machines 10 can come into contact with each other and leave from each other in the direction crossing the direction of advance of the single unit shield machines 10.
OE IKUO
IZUTSU KATSUMI
NAKAYAMA TSUTOMU
MITO KENJI
