Preparation of Novel Concrete Material by Sewage Sludge Ash Incorporation for Slab Preparation

Ospanov K. Kabylbekov B. Imanova G. Alshahri A.H. Ali I.
2025 Springer

Journal of Materials Engineering and Performance
2025

This paper presents the preparation of ash from sewage to be used in a concrete mixture for the slabs preparation. The ash was used in the mixture in 1.39, 2.78 and 4.17% by replacing an equal amount of sand. The slabs were prepared from this concrete mixture and the features were evaluated. The values of compressive and flexural tensile strengths of the studied slabs, having 4.17% ash at 28 days, were 54.3 and 9.7 MPA. The values of water absorption of slabs with 4.17% ash were 2.4% with water impermeability grade W10 (G₂ grade). The values of concrete resistance to air penetration, and concrete air permeability at 4.17% ash content in the slabs were 14.1 s/cm³ and 0.070 m². The abrasion resistance was slightly higher than the control. All these values confirmed that the prepared slabs with 4.17% ash content were of the highest quality.

ash in concrete mixture , estimation of slabs performance , slabs preparation , wide range of applications

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Department of Hydrogeology, Engineering and Oil and Gas Geology, Institute of Geology and Oil-gas Business, Satbayev University, Almaty, 0500013, Kazakhstan
Institute of Radiation Problems, Ministry of Science and Education, Republic of Azerbaijan, 9 B.Vahabzade str., Baku, AZ1143, Azerbaijan
Department of Physics and Electronics, Khazar University, 41 Mahsati Str., Baku, AZ1096, Azerbaijan
Azerbaijan University of Architecture and Construction, Baku, AZ1073, Azerbaijan
Department of Civil Engineering, College of Engineering, Taif University, P.O. Box 11099, Taif City, 21974, Saudi Arabia
Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India

Department of Hydrogeology
Institute of Radiation Problems
Department of Physics and Electronics
Azerbaijan University of Architecture and Construction
Department of Civil Engineering
Department of Chemistry

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