| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a joint structure, joint method, and joint plate of a reinforcing ring for a liner plate extremely excellent in construction efficiency and economic efficiency. <P>SOLUTION: In this joint plate 2 attached to the natural ground side flanges 11 of reinforcing ring pieces 1, upper joint pieces 3, 3 are attached to the upper parts of the natural ground side flanges 11, 11 of the reinforcing ring pieces 1, 1 facing each other, respectively, a lower joint piece 4 is attached to the lower part thereof while riding both ends of the reinforcing ring pieces 1. The upper joint pieces 3, 3 are fitted to the recesses of the lower joint piece 4 so as to be brought into contact with each other to transmit a stress therebetween so that the lower joint piece 4 is brought into contact with the upper joint pieces 3, 3 fixed to the upper parts of the natural ground side flanges 11, 11 so as to transmit a stress therebetween. Bolt holes 11a are provided to the lower sides of the natural ground side flanges 11, 11, bolt holes 4a are provided to the lower joint piece 4, and nuts 6 are fastened to bolts 5 inserted into the bolt holes 11a, 4a aligned with each other. The lower joint piece is fixed to both natural ground side flanges. <P>COPYRIGHT: (C)2011,JPO&INPIT |
