FLOOR IMPULSIVE SOUND ABSORBING STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide an inexpensive floor impulsive sound absorbing structure capable of reducing cost and providing high effect because it is difficult to shut off a leakage of living sound into a lower floor part due to impulsive sound from an upper floor part floor structurally and economical burden for obtaining the maximum effect is large in conventional ordinary wooden and steel structure houses. SOLUTION: An upper floor part has a double structure to combine a multi- layer structure with a space part according to a conventional construction method to provide the floor impulsive sound absorbing structure.