NOISE REDUCTION STRUCTURE AND CONSTRUCTION METHOD FOR NOISE REDUCTION STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a noise reduction structure that can be used outdoors and can effectively absorb a sound of low frequency.;SOLUTION: There is provided a noise reduction structure 1 formed on a concrete slab 10 (concrete body) facing a balcony 2, the noise reduction structure including cavity parts 11 formed in the concrete slab 10 and through holes 20 linking the cavity parts 11 to a surface facing the balcony 2. The cavity parts 11 and through holes 20 are formed in a ceiling part 3 of the balcony 2. Furthermore, the cavity parts 11 and through holes 20 are formed preferably in the ceiling part 3 of the balcony 2.;COPYRIGHT: (C)2014,JPO&INPIT