Mortar composition for improving impact sound resistance mortar layer for improving impact sound resistance and floor structure for improving impact sound resistance Including thereof

• Main Authors: CHO SUNGHYUN, KIM YONGRO, KOO JEONGMO, OH HAEGEUN, KO HYOJIN, PARK CHANGHWAN, PARK TAEGYU, SONG YOUNGCHAN, CHOI YOUNGLAK
• Format: Patent
• Language: English; Korean
• Published: 09.11.2022
• Subjects: ARTIFICIAL STONE; BUILDING; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS; FIXED CONSTRUCTIONS; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

An inter-floor noise-preventing mortar composition is provided. In one embodiment, the mortar composition comprises, per 100 parts by weight of the mortar composition: 60 to 70 parts by weight of heavy aggregate; 10 to 40 parts by weight of a binding material; 1.0 to 5.0 parts by weight of admixture B; and 1.0 to 5.0 parts by weight of admixture C, wherein the heavy aggregate includes at least one of wind-milled slag, electric furnace oxidized slag, copper slag, soft slag, ferronickel slag, and blast furnace slag, the binding material includes at least one of Type 1 Portland cement, Type 3 Portland cement, blast furnace slag powder, and alumina cement, the admixture B has a powder degree of 5000 to 7000 cm^2/g, and the admixture C may include a lime gypsum-based expanding material. 층간소음방지 모르타르 조성물이 제공된다. 일 실시예에 있어서, 모르타르 조성물 100 중량부 당 60 내지 70 중량부의 중량골재, 10 내지 40 중량부의 결합재, 1.0 내지 5.0 중량부의 혼화재B, 1.0 내지 5.0 중량부의 혼화재C를 포함하며, 상기 중량골재는 풍쇄슬래그, 전기로 산화슬래그, 동슬래그, 연슬래그, 페로니켈슬래그, 및 고로슬래그 중 적어도 어느 하나를 포함하고, 상기 결합재는 1종 포틀랜드시멘트, 3종 포틀랜드시멘트, 고로슬래그미분말, 및 알루미나시멘트 중 적어도 어느 하나를 포함하며, 상기 혼화재B는 분말도가 5000 내지 7000㎠/g 이며, 상기 혼화재C는 석회석고계 팽창재를 포함할 수 있다.