STRUCTURE AND METHOD FOR REINFORCING SHIELD SEGMENT OPENING, AND SHIELD SEGMENT

摘要

PROBLEM TO BE SOLVED: To provide a structure and a method for reinforcing a shield segment opening, which eliminate the possibility of interference between reinforcing materials in a shield segment having the plurality of openings and which dispense with post-construction, and the shield segment.;SOLUTION: A structure 200 for reinforcing a plurality of openings 48 formed at predetermined intervals along an extension direction of a shield tunnel 28 in a segment 46 of the shield tunnel 28 comprises a stringer 52 which is arranged along the segment 46 to connect edges 50 in a direction orthogonal to the extension direction of the shield tunnel 28 of each opening 48 and which is composed of a continuous beam continuing in the extension direction of the shield tunnel 28.;SELECTED DRAWING: Figure 7;COPYRIGHT: (C)2017,JPO&INPIT