| 摘要 |
PROBLEM TO BE SOLVED: To provide a construction method of a lightweight concrete floor having a simple structure and a relatively large level difference of a relatively large joint strength and a concrete plate used for the construction and the construction method, by eliminating the installation of the form or a support member at the construction site and enhancing the operation efficiency and concurrently promoting the installation works of piping and ducts such as drainage pipes, and ducts to shorten the construction term. SOLUTION: A precast concrete plate 1 for the upper stage forming the foundation of the upper stage concrete floor and a precast concrete plate 2 for the lower stage forming the foundation of the lower stage concrete floor are piled up, and a slit 6 vertically boring is formed in the superposed part 5, a reinforcing member 10 and a joint member 11 are inserted in the slit 6 to connect the precast concrete plate 1 for the upper stage and the precast concrete plate 2 for the lower stage to each other, and concrete 15 is placed onto the upper face of the jointed precast concrete plates 1, 2. COPYRIGHT: (C)2005,JPO&NCIPI
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