| 摘要 |
PROBLEM TO BE SOLVED: To provide a building having a structure capable of reducing floor impact sound.SOLUTION: A building includes: a floor structure 1 comprising a floor slab 12, supporting legs 13 having rubber vibration isolators 15 and arranged on the floor slab 12 at predetermined intervals, and a floor board formed on the supporting legs 13; a wall structure (partition wall 3) internally having a space; a first ventilation part 7 communicating an underfloor space 5 of the floor structure 1 to an in-wall space 6, which is an inside space of the wall structure, so that air can flow therebetween; and a second ventilation part 9 communicating the in-wall space 6 to an attic space 8 of a ceiling structure 4 so that air can flow therebetween. |
