| 摘要 |
PROBLEM TO BE SOLVED: To provide bag-like forms and a construction method for water shielding using the bag-like forms which enable the construction of the water shielding which is seamless, uniform, robust and excellent in water imperviousness and low cost by so constituting the bag-like forms that one bag-like form can connect with another. SOLUTION: The bag-like forms 1, 20, 41 are provided with a connection flap structure 18 for connection with other bag-like forms 1, 20, 41. In this water shielding construction method, when casting a molding material M for the first time, all the connection flap structure of the relevant bag-like forms are set in a connecting state, and when casting the molding material M next time onward, only a partial connection flap structure 18 to be connected in the relevant bag-like forms is set in a spread state and connected with a partial connection flap structure 18 on the connecting side of the other bag-like forms to be connected with the former bag-like forms, before casting the molding material M. COPYRIGHT: (C)2006,JPO&NCIPI
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