| 摘要 |
PROBLEM TO BE SOLVED: To provide a construction method for a double flooring capable of easily and quickly constructing an upper floor board 5 without fine adjustment of the height of a support body 4 merely by easily forming a bed layer 2 on a concrete floor slab 1 with a high levelness and disposing the support body 4 of a predetermined height. SOLUTION: A slurry composition hard layer 3 is formed on the upper surface of a floor slab 1 by using a self-leveling hydraulic setting slurry composition excellent in quick hardening property and levelness. A plurality of support bodies 4 having a specified height are installed on the upper surface of a hard body to form further upper floor surface 5. COPYRIGHT: (C)2008,JPO&INPIT
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