| 摘要 |
PROBLEM TO BE SOLVED: To provide a bridge pier foundation construction method and a floor slab for a bridge pier capable of markedly shortening construction term up to the completion of a foundation as compared with a conventional construction method. SOLUTION: The floor system 1 made of PC concrete and provided with a predetermined outward shape dimension and pile holes 3 in which piles 2 are inserted is formed in advance, holes 6 for installing the floor system 1 are digged in floor system installation sections, the floor slab 1 is sunk and provided in the digged holes 6, and then the piles 2 are driven down to a predetermined depth in the ground through the pile holes 3 to connect the floor system 1 with the piles 2. Consequently, construction term for digging holes is shortened, reinforcing bar construction work and form construction work for the floor system 1 in the digged holes and floor system concrete construction work become unnecessary, and construction term can be shortened.
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