| 摘要 |
PROBLEM TO BE SOLVED: To provide not only high cut-off efficiency but also an easy construction method in a method for constructing a tunnel structure by assembling a plurality of segments on a connecting surface through water expansive rubber. SOLUTION: When a plurality of simple blocks 2 are assembled on the connecting surface 3 through the water expansive rubber 4 to construct the tunnel structure, before the simple blocks 2 are assembled, first of all, a paste unsolidified sealant having adhesion is applied to the connecting surface in a required shape, and after it has been cured to solidify to form the water expansive rubber 4 on the connecting surface 3, the assembly is made. COPYRIGHT: (C)2005,JPO&NCIPI
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