| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure of a concrete structure expansion joint requiring no direct adhesion of a concrete surface and a calking material by interposing engaging bodies between the concrete surface of the calking material of the expansion joint of a concrete structure. SOLUTION: In this joint 3 of the concrete structure 1 such as an oblique wall of an irrigation channel and a dam, one engaging body 10 is arranged on one side concrete surface 4 of the joint 3, and the other engaging body 11 is arranged on the other side concrete surface 4 of the joint 3. The calking material 18 is filled between the two engaging bodies 10 and 11. COPYRIGHT: (C)2004,JPO
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