To provide a construction method for a double closing levee capable of greatly contracting a construction term and costs necessary for the construction of a double closing levee and lessening influence giving to the environment.
A substantially rectangular parallelepiped frame body 1 assembled on the ground in advance is installed in a construction position of the double closing levee 10 by a transfer means. A sheet pile 2 is fitted to both side faces of the frame body 1 so as not to generate a clearance between the sheet piles (steel pile ) 2. An infilling 4 is filled in the inner space of the frame body 1 surrounded by the sheet pile 2. Angle ties 18, 19 enhancing the rigidity of the connection part are fitted to members 11-15 constituting the frame body 1, or guide members 16 guiding the sheet pile 2 to a specified fitting position may be fitted to the lower end of the side face of the frame body. The frame body 1 is made in a movable size by a transfer means. Each frame body 1 may be placed in parallel in the construction position of the levee by the transfer means.
HONMA MASAYUKI
MAGISHI TORU
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