The floor structure and construction method to reduce impact noise transmitting to floor and wall in common dwelling house

摘要

The present invention relates to a floor structure capable of reducing interlayer noise transferred to a floor and a wall of an apartment that forms a space by a recessed structure simultaneously satisfying sound insulation and sound absorption, thereby improving insulation of the interlayer noise, that minimizes consumption of thermal energy to maintain the sound insulation irrespective of change in temperature; that maximizes the effect of insulating the interlayer noise by compensating an insulation material of a lower part of a wall, in addition to the floor surface; and that is easily constructed to provide good economics and the clean and fixed temperature space. The floor structure includes a foamed PE sheet provided to the bottom surface of a concrete slab and the lower part of a wall close to the bottom surface; a wall EPS insulator provided to the surface vertically extending from the foamed PE sheet in a band type; a space forming sound insulation member provided to the surface horizontally extending from the foamed PE sheet and having a recessed plate attached with long fibers at the lower side to form a plurality of recessed portions; a bottom surface EPS heat insulator provided to the space forming sound insulator; and a bubble concrete layer formed on the bottom surface PES insulator, on which a heating pipe and a finishing mortar layer are provided.