STRUCTURAL THERMAL INSULATING FOAM CONCRETE PROPERTIES FOR FOUNDATION INSULATION

Saduakasov M. Talal A. Kopzhasarov B. Akhmetov D. Nurumov R. Tokmajeshvili G. Kuttybay M.
2025 GEOMATE International Society

International Journal of GEOMATE
2025 #28 Issue 126 25 - 32 pp.

This research aims to study foam concrete density and its correlation with the material thickness, analyzing its impact on the airborne sound reduction index. Several investigations have proven that, in comparison to traditional heavy concrete, the use of lightweight concrete with a density between 900 and 1100 kg/m3 is the most efficient way to soundproof. The study reveals that effective noise protection can be achieved with an 8 cm thickness of the inner partition between rooms in all categories of houses. The research reports that a 10 cm partition thickness is sufficient to attain the required sound reduction index between the bathroom and a room within a single apartment. Additionally, it was found that the required level of soundproofing for walls and partitions between apartments, rooms of apartments, stairwells, halls, corridors, and vestibules varies according to the categories of houses. Specifically, C-category (satisfactory soundproofing) houses require a 12 cm wall thickness, B-category (moderate soundproofing) houses necessitate 14 cm, and A-category (advanced soundproofing) houses demand 16 cm for optimal sound reduction. Copyright

Airborne sound reduction index , Non-autoclaved foam concrete , Strength , Thermal conductivity

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Kazakh Academy of Architecture and Building Sciences, Kazakhstan
I St.Petersburg State Transport University, Russian Federation
International Education Corporation, Kazakhstan
South Kazakhstan University named after M.Auezov, Kazakhstan
Satbayev University, Kazakhstan
Noise Control Technology LLP, Kazakhstan
Academy of Architecture and Construction Sciences, Kazakhstan

Kazakh Academy of Architecture and Building Sciences
I St.Petersburg State Transport University
International Education Corporation
South Kazakhstan University named after M.Auezov
Satbayev University
Noise Control Technology LLP
Academy of Architecture and Construction Sciences

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