| 摘要 |
PROBLEM TO BE SOLVED: To provide a connecting structure between a manhole and the sewers capable of preventing leakage of water and damage to a side wall. SOLUTION: In the connecting structure between the manhole 1 tightly connecting one end 21 of a rigid body made connecting pipe 2 to the side wall 11 of the concrete-made manhole 1 and connecting the end 61 of the sewers 6 to the other end 22 of the connecting pipe 2 and the sewers 6, and when a concrete for constructing the side wall 11 of the manhole 1 is cast, one end 21 of the connecting pipe 2 is set at a prescribed position for a casting form of the concrete to integrally connect. COPYRIGHT: (C)2003,JPO
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