| 摘要 |
PROBLEM TO BE SOLVED: To provide a vibration-proof double floor, in which floor impulsive- sound interrupting performance can be improved and which is built easily, a floor supporter and a method for building the vibration-proof double floor. SOLUTION: The double floor 100 is composed of a void slab 10, the floor supporters 20, in which lower sections are buried to the void slab 10, and a flooring 30. The void slab 10 is constituted of a deck plate 1002, a reinforcement 1004 disposed on the deck plate, a plurality of hollow members 1006 arranged on the deck plate 1002 and concrete 1008 placed on the deck plate 1002 so as to bury these reinforcement 1004 and hollow members 1006. The floor supporter 20 is configured by installing a female screw member buried into a rib section 1012, a male screw member screwed to the female screw member, a vibration-proof material fixed onto the upper section of the male screw member and a plate-shaped base plate fixed onto the upper section of the vibration-proof material. COPYRIGHT: (C)2003,JPO
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