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Accounting for Expansive Soil Movement in Geotechnical Design—A State-of-the-Art Review

Author

Listed:
  • Bikash Devkota

    (UniSA STEM, University of South Australia, Mawson Lakes Campus, Adelaide, SA 5095, Australia)

  • Md Rajibul Karim

    (UniSA STEM, University of South Australia, Mawson Lakes Campus, Adelaide, SA 5095, Australia)

  • Md Mizanur Rahman

    (UniSA STEM, University of South Australia, Mawson Lakes Campus, Adelaide, SA 5095, Australia)

  • Hoang Bao Khoi Nguyen

    (UniSA STEM, University of South Australia, Mawson Lakes Campus, Adelaide, SA 5095, Australia)

Abstract

Lightweight structures built on expansive soils are susceptible to damage caused by soil movement. Financial losses resulting from the improper design of structures on expansive soils can be significant. The interactions and failure mechanisms of different geotechnical structures constructed on such soils differ depending on the structure type, site characteristics, and climatic conditions, as the behaviour of expansive soils is influenced by moisture variations. Therefore, the performance of different geotechnical structures (e.g., lightweight footings for residential buildings) is expected to be adversely affected by climate change (especially rainfall and temperature change), as geotechnical structures are often designed to have a service life of 50–100 years. Some structures may even fail if the effect of climate change is not considered in the present design. This review aims to provide insights into problems associated with expansive soils that trigger the failure of lightweight structures, including current investigations and industry practices. This review recognises that although the soil moisture conditions govern expansive soil behaviour, limited studies have incorporated the effect of future climate changes. In addition, this review identifies the need to improve the current Australian design practice for residential footings through the inclusion of more site-specific investigations and expected climate changes.

Suggested Citation

  • Bikash Devkota & Md Rajibul Karim & Md Mizanur Rahman & Hoang Bao Khoi Nguyen, 2022. "Accounting for Expansive Soil Movement in Geotechnical Design—A State-of-the-Art Review," Sustainability, MDPI, vol. 14(23), pages 1-27, November.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:23:p:15662-:d:983327
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    References listed on IDEAS

    as
    1. Md Rajibul Karim & Md Mizanur Rahman & Khoi Nguyen & Donald Cameron & Asif Iqbal & Isaac Ahenkorah, 2021. "Changes in Thornthwaite Moisture Index and Reactive Soil Movements under Current and Future Climate Scenarios—A Case Study," Energies, MDPI, vol. 14(20), pages 1-18, October.
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    Cited by:

    1. Sanaz Soltaninejad & Seyed Morteza Marandi & Naveen BP, 2023. "Performance Evaluation of Clay Plastic Concrete of Cement and Epoxy Resin Composite as a Sustainable Construction Material in the Durability Process," Sustainability, MDPI, vol. 15(11), pages 1-32, June.
    2. Ammar Alnmr & Richard Paul Ray & Rashad Alsirawan, 2023. "Comparative Analysis of Helical Piles and Granular Anchor Piles for Foundation Stabilization in Expansive Soil: A 3D Numerical Study," Sustainability, MDPI, vol. 15(15), pages 1-36, August.

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