| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable efficient and reliable connection between segments without the need for applying particular reinforcement to the segments. <P>SOLUTION: A segment 10 having insertion holes 12 provided in a main girder 11 and a constraining member 13 for constraining the isolation of a pair of members 22 from each other inserted into the insertion holes 12 is made to stride over and abut on two segments adjacent to the segment 10 in a tunnel axial direction via their main girders. Then, a pair of protruded portions 22 provided at the ends of the main girders of the two segments are inserted into the insertion holes 12 so that the constraining member 13 constrains the pair of protruded portions 22 protruded in the segment via the insertion holes 12. <P>COPYRIGHT: (C)2012,JPO&INPIT |
