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Experimental Study of Thermal Conductivity in Soil Stabilization for Sustainable Construction Applications

Author

Listed:
  • Abdullahi Abdulrahman Muhudin

    (Architecture and City Design (ACD) Department, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia)

  • Mohammad Sharif Zami

    (Architecture and City Design (ACD) Department, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia
    Interdisciplinary Research Center for Construction and Building Materials, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia)

  • Ismail Mohammad Budaiwi

    (Architectural Engineering and Construction Management Department, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia)

  • Ahmed Abd El Fattah

    (Architecture and City Design (ACD) Department, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia
    Interdisciplinary Research Center for Construction and Building Materials, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia)

Abstract

Soils in Saudi Arabia are emerging as potential sustainable building materials, a notion central to this study. The research is crucial for advancing construction practices in arid areas by enhancing soil thermal properties through stabilization. Focusing on Hejaz region soils, the study evaluates the impact of stabilizers such as cement, lime, and cement kiln dust (CKD) on their thermal behavior. This investigation, using two specific soil types designated as Soil A and Soil B, varied the concentration of additives from 0% to 15% over a 12-week duration. Employing a TLS-100 for thermal measurements, it was found that Soil A, with a 12.5% cement concentration, showed a significant 164.54% increase in thermal conductivity. When treated with 2.5% lime, Soil A reached a thermal conductivity of 0.555 W/(m·K), whereas Soil B exhibited a 53.00% decrease under similar lime concentration, reflecting diverse soil responses. Notably, a 15% CKD application in Soil A led to an astounding 213.55% rise in thermal conductivity, with Soil B recording an 82.7% increase. The findings emphasize the substantial influence of soil stabilization in improving the thermal characteristics of Hejaz soils, especially with cement and CKD, and, to a varying extent. This study is pivotal in identifying precise, soil-specific stabilization methods in Saudi Arabia’s Hejaz region, essential for developing sustainable engineering applications and optimizing construction materials for better thermal efficiency.

Suggested Citation

  • Abdullahi Abdulrahman Muhudin & Mohammad Sharif Zami & Ismail Mohammad Budaiwi & Ahmed Abd El Fattah, 2024. "Experimental Study of Thermal Conductivity in Soil Stabilization for Sustainable Construction Applications," Sustainability, MDPI, vol. 16(3), pages 1-24, January.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:3:p:946-:d:1324388
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    References listed on IDEAS

    as
    1. Talaat Abdel-Wahed & Anmar Dulaimi & Hayder Kamil Shanbara & Hassan Al Nageim, 2022. "The Impact of Cement Kiln Dust and Cement on Cold Mix Asphalt Characteristics at Different Climate," Sustainability, MDPI, vol. 14(7), pages 1-13, March.
    2. Sadegh Ghavami & Hamid Jahanbakhsh & Alireza Saeedi Azizkandi & Fereidoon Moghadas Nejad, 2021. "Influence of sodium chloride on cement kiln dust-treated clayey soil: strength properties, cost analysis, and environmental impact," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(1), pages 683-702, January.
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