PRECAST PANEL WITH SHEATHED TUBE AND METHOD OF CONSTRUCTING WATER SURFACE STRUCTURE

PROBLEM TO BE SOLVED: To provide a precast panel with a sheathed tube, facilitating installation and allowing the drive of a pile at an accurate position, and a method of constructing and repairing a water surface structure, allowing supply to be started in a short period. SOLUTION: The precast panel with the sheathed tube comprises the precast panel and the sheathed tube, the sheathed tube being subjected to anticorrosive treatment with its end having a length enough to be located in a water when installed corresponding to a pile head portion. Preferably, the end of the sheathed tube has a length to be located in the water at all times. The method of constructing the water surface structure consisting of a floor panel and the pile comprises installing the precast panel with the sheathed tube in position, driving the pile from above the precast panel with the sheathed tube along the sheathed tube and joining the precast panel with the sheathed tube to the pile.