| 摘要 |
PROBLEM TO BE SOLVED: To provide a constitutionally simple composite segment which can integrally strengthen filling concrete and a skin plate. SOLUTION: Characteristically, this segment, which constitutes a lining structure of a shield tunnel, has at least two main girders 11, two joint plates 12 and the skin plate 13; at least one approximately H-shaped shear connector 14 is provided between the main girders 11; a web 14a of the shear connector 14 is arranged in the central direction of a tunnel; and the filling concrete 16 is infilled into the segment.
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