Mechanical and Acoustic Performance of Lightweight Cementitious Composites Incorporating Pumice and Expanded Perlite

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dc.authorid0000-0002-5352-3871
dc.authorid0000-0002-0214-4986
dc.contributor.authorYıldırım, Furkan
dc.contributor.authorEmiroğlu, Mehmet
dc.date.accessioned2026-10-23T12:54:52Z
dc.date.available2026-10-23T12:54:52Z
dc.date.issued27.05.2026
dc.departmentYüksekokullar, Meslek Yüksekokulu
dc.description.abstractThis study presents a comprehensive experimental investigation of lightweight cementitious composites incorporating pumice and expanded perlite as sustainable substitutes for conventional aggregate systems. Four replacement ratios (25%, 50%, 75%, and 100%) were evaluated to determine their effects on density, compressive strength, flexural strength, modulus of elasticity, and acoustic insulation properties, including the noise reduction coefficient (NRC) and frequency-dependent sound transmission loss (STL). The results showed that increasing the lightweight aggregate content generally reduced the strength-related mechanical properties while improving acoustic performance, particularly in the mid- and high-frequency ranges. Among all mixtures, the expanded perlite-based PRC-1.0 specimen exhibited the best overall acoustic performance, achieving the highest NRC value and the widest STL range. These findings demonstrate a clear trade-off between mechanical strength and acoustic efficiency, indicating that expanded perlite-based lightweight cementitious composites are promising materials for building applications requiring enhanced sound insulation performance.
dc.identifier.citationYıldırım, Furkan, Emiroğlu, Mehmet. (2026). Mechanical and Acoustic Performance of Lightweight Cementitious Composites Incorporating Pumice and Expanded Perlite. Materials (MDPI)
dc.identifier.doi10.3390/ma19112274
dc.identifier.urihttps://www.doi.org/10.3390/ma19112274
dc.identifier.urihttps://hdl.handle.net/20.500.12662/10884
dc.identifier.wosqualityQ2
dc.publisherMDPI
dc.relation.ispartofMaterials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleMechanical and Acoustic Performance of Lightweight Cementitious Composites Incorporating Pumice and Expanded Perlite

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