To provide a wall structure for improving sound insulating performance for heavy weight floor impact sounds by suppressing wall surface radiation sound due to floor impact sounds from an upper floor.
The wall structure improves the sound insulating performance for the heavy weight floor impact sounds by suppressing outer wall radiation sound caused by the floor impact sound from an upper floor, in a building whose wall body is constituted of an outer wall panel 2 in which an outer wall surface material 6 is fixed to one side of a steel frame material 3 and an inner wall base material 4 for attaching an inner wall surface material 5 is fixed to the other side. The inner wall base material 4 includes an upper crosspiece 4a and a lower crosspiece 4c provided in the lateral direction on the upper side and the lower side of the frame 3, at least one or more middle crosspiece 4b provided in the lateral direction in the middle of the upper crosspiece 4a and the lower crosspiece 4c, and vertical crosspieces 4d and 4e provided in the longitudinal direction on both left and right sides of the frame 3 respectively. The middle crosspiece 4b is arranged in a laterally winning manner so that the vertical crosspieces 4d and 5e are divided by the middle crosspiece, and the inner wall surface material 5 is fixed to the inner wall base material 4 with screws.
| JP2005240295 | SPANDREL WALL AND CONSTRUCTION METHOD THEREFOR |
| WO/2013/188211 | MODULAR BUILDING CONSTRUCTION SYSTEMS AND METHODS |
GEN HARUO
MOMOTA MASANOBU
