This paper discusses the thermal resistance of metal dust concrete block. The thermal insulation capacity of the block, coefficient of thermal expansion as well as mass loss of the blocks due to heating of the block were experimentally investigated. The effects of elevated temperature on the compressive strength of the block were discussed and compared with the unheated metal dust concrete block and conventional concrete blocks. The optimum compressive strength of the unheated metal dust block was 18.20N/mm2 and its corresponding heated specimen was 17.5N/mm2, at a temperature of 200°C. The compressive strength of the controlled specimen was 16.5N/mm2 and at a temperature of 200°C, the compressive strength was 15.3N/mm2. The coefficient of thermal expansion for the metal dust block with the optimum compressive strength was 14.12×10-6 as against 10.51×10-6 for the conventional block. The thermal insulation performance of the blocks was assessed by measuring the temperature rise on the unexposed side during a fire resistance test. The results suggest that metal dust increases the compressive strength of the block at a considerable replacement level, but when exposed elevated temperature of about 600°C, the block thermal properties deteriorated due to melting of the dust, evaporation of bound and free water in the block and other factors.
| Published in | Journal of Civil, Construction and Environmental Engineering (Volume 10, Issue 5) |
| DOI | 10.11648/j.jccee.20251005.12 |
| Page(s) | 182-190 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2025. Published by Science Publishing Group |
Metal Dust, Elevated Temperature, Coefficient of Thermal Expansion, Insulation, Mass Loss
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APA Style
Marfo, A., Gam, A. K., Isabella, B. (2025). Experimental Investigation of the Thermal Resistance of Metal Dust Concrete Block. Journal of Civil, Construction and Environmental Engineering, 10(5), 182-190. https://doi.org/10.11648/j.jccee.20251005.12
ACS Style
Marfo, A.; Gam, A. K.; Isabella, B. Experimental Investigation of the Thermal Resistance of Metal Dust Concrete Block. J. Civ. Constr. Environ. Eng. 2025, 10(5), 182-190. doi: 10.11648/j.jccee.20251005.12
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Download@article{10.11648/j.jccee.20251005.12,
author = {Adutwum Marfo and Angel Kyilo Gam and Baah Isabella},
title = {Experimental Investigation of the Thermal Resistance of Metal Dust Concrete Block
},
journal = {Journal of Civil, Construction and Environmental Engineering},
volume = {10},
number = {5},
pages = {182-190},
doi = {10.11648/j.jccee.20251005.12},
url = {https://doi.org/10.11648/j.jccee.20251005.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jccee.20251005.12},
abstract = {This paper discusses the thermal resistance of metal dust concrete block. The thermal insulation capacity of the block, coefficient of thermal expansion as well as mass loss of the blocks due to heating of the block were experimentally investigated. The effects of elevated temperature on the compressive strength of the block were discussed and compared with the unheated metal dust concrete block and conventional concrete blocks. The optimum compressive strength of the unheated metal dust block was 18.20N/mm2 and its corresponding heated specimen was 17.5N/mm2, at a temperature of 200°C. The compressive strength of the controlled specimen was 16.5N/mm2 and at a temperature of 200°C, the compressive strength was 15.3N/mm2. The coefficient of thermal expansion for the metal dust block with the optimum compressive strength was 14.12×10-6 as against 10.51×10-6 for the conventional block. The thermal insulation performance of the blocks was assessed by measuring the temperature rise on the unexposed side during a fire resistance test. The results suggest that metal dust increases the compressive strength of the block at a considerable replacement level, but when exposed elevated temperature of about 600°C, the block thermal properties deteriorated due to melting of the dust, evaporation of bound and free water in the block and other factors.},
year = {2025}
}
TY - JOUR T1 - Experimental Investigation of the Thermal Resistance of Metal Dust Concrete Block AU - Adutwum Marfo AU - Angel Kyilo Gam AU - Baah Isabella Y1 - 2025/10/14 PY - 2025 N1 - https://doi.org/10.11648/j.jccee.20251005.12 DO - 10.11648/j.jccee.20251005.12 T2 - Journal of Civil, Construction and Environmental Engineering JF - Journal of Civil, Construction and Environmental Engineering JO - Journal of Civil, Construction and Environmental Engineering SP - 182 EP - 190 PB - Science Publishing Group SN - 2637-3890 UR - https://doi.org/10.11648/j.jccee.20251005.12 AB - This paper discusses the thermal resistance of metal dust concrete block. The thermal insulation capacity of the block, coefficient of thermal expansion as well as mass loss of the blocks due to heating of the block were experimentally investigated. The effects of elevated temperature on the compressive strength of the block were discussed and compared with the unheated metal dust concrete block and conventional concrete blocks. The optimum compressive strength of the unheated metal dust block was 18.20N/mm2 and its corresponding heated specimen was 17.5N/mm2, at a temperature of 200°C. The compressive strength of the controlled specimen was 16.5N/mm2 and at a temperature of 200°C, the compressive strength was 15.3N/mm2. The coefficient of thermal expansion for the metal dust block with the optimum compressive strength was 14.12×10-6 as against 10.51×10-6 for the conventional block. The thermal insulation performance of the blocks was assessed by measuring the temperature rise on the unexposed side during a fire resistance test. The results suggest that metal dust increases the compressive strength of the block at a considerable replacement level, but when exposed elevated temperature of about 600°C, the block thermal properties deteriorated due to melting of the dust, evaporation of bound and free water in the block and other factors. VL - 10 IS - 5 ER -
Department of Civil and Environmental Engineering, University of Energy and Natural Resources, Sunyani, Ghana; Department of Civil Engineering and Mechanics, Jiangsu University, Zhenjiang, China
Department of Civil and Environmental Engineering, University of Energy and Natural Resources, Sunyani, Ghana
Department of Civil and Environmental Engineering, University of Energy and Natural Resources, Sunyani, Ghana
