期刊
BUILDINGS
卷 12, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/buildings12030336
关键词
compressive strength; bone ash; water adsorption; clay ceramic bricks; building material; agricultural waste; kaolin clay; recycle
资金
- African Development Bank (AfDB) [NMIAIST 2100155032824]
- Pan African Materials Institute under the World Bank African Centers of Excellence (ACE) program at the African University of Science and Technology (AUST), Abuja, Nigeria [PAMI/2015/5415-NG]
Bone ash waste can be utilized to produce clay ceramic bricks, and the addition of bone ash improves the compressive strength and water absorption properties of the bricks.
Bone ash waste can be used to fabricate clay ceramic bricks, consequently managing their pollution of the environment. This is because bone ash (BA) and clay predominantly consist of calcium and alumina-silicate, respectively, which are components of clay ceramic brick (CCB) materials. This study aims to investigate the effect of bone ash and temperature on the physio-chemical and mechanical properties of CCB. Different percentages of bone ash (5%, 10%, 15%, and 20%) were added to clay and heat treated at temperatures of 100 degrees C, 300 degrees C, 600 degrees C, and 900 degrees C, and their compressive strengths were measured. Prior to the determination of their mechanical properties, the CCB chemical and phase compositions were characterized using FTIR spectroscopy and X-ray diffraction (XRD). The CCB microstructure was evaluated with scanning electron microscopy (SEM) and the compressive strength was tested. The results suggest that the addition of bone ash (10% and 15%) improves the compressive strength and water absorption properties after heat treatment of CCB at higher temperatures.
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