| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a composite segment with reinforcing ribs which is increased in performance while improving a composite effect due to the integration thereof with a filler and a tunnel having a tunnel lining obtained by combining the composite segments. <P>SOLUTION: Girders 13 can be reinforced by a plurality of earth side ribs 16 since the plurality of earth side ribs 16 fixed to the inner surface of an earth side surface plate 15 are provided in the circumferential direction of the tunnel in parallel to the girders 13. The strength and rigidity of the composite segment 10 can be increased since the earth side ribs 16 can resist a soil pressure from an earth and the hydraulic pressure of underground water. Since the earth side ribs 16 function as slip prevention members against the filled concrete 12, the unity thereof with the filled concrete 12 can be improved, a composite effect for the integral behavior of a steel shell 11 and the filled concrete 12 can be obtained, and the rigidity and proof strength of the composite segment 10 can be further increased. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
