| 摘要 |
<P>PROBLEM TO BE SOLVED: To allow disassembling of a shield machine having a shield jack and a ring garter to be easily performed. <P>SOLUTION: A disassembling method of a shield machine comprises: a bottom block removal step for releasing the state of connection of a bottom block 22g positioned at a bottom part of a skin plate 21 to adjacent blocks 22f and 22h and removing the bottom block 22g; a block movement step for moving remaining blocks 22a to 22g along an inner surface of the skin plate 21 in a circumferential direction and positioning the end block 22f positioned at the end part to the bottom part of the skin plate 21; and an end block removal step for releasing the state of connection of the end block 22f with an adjacent block 22e and removing the end block 22f. <P>COPYRIGHT: (C)2013,JPO&INPIT |
