| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce heavy floor impact sound, reduce thickness of a slab of a skeleton to make a column thin, and reduce skeleton cost. <P>SOLUTION: In this ceiling structure in which a ceiling member 6 parallel with the slab 5 is formed below the slab 5, an air layer 7 is formed between the slab 5 and the ceiling member 6, the air layer 7 is formed to have thickness of 300 millimeters or more, a plurality of suspension members 8 suspending the ceiling member 6 from a bottom face of the slab 5 are provided between the slab 5 and the ceiling member 6, the plurality of suspension members 8 are arranged at an interval of 900 millimeters or more, vibration proofing materials 15 absorbing shock are provided on the suspension members 8, respectively, a plate-like ceiling panel 11 composed of a plaster board is provided on the ceiling member 6, and the ceiling panel 11 is formed to have thickness of 22 millimeters or more. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
