Improvement of Geotechnical Properties of Heaving Soils Using Alternative Methods: A Review | Chapter 9 | Theory and Applications of Engineering Research Vol. 1

 In geotechnical practice, the recoil-swell behaviour of heaving soils causes meaningful damage to constructions. Soil stabilisation techniques helped to improve the strength of unsettled soils. Mechanical and chemical stabilisation methods are generally secondhand for these soils. Solid wastes are found plentifully worldwide, very few are reused, but a significant amount of mismanaged complete wastes is produced everywhere every year. This study aims to review the uses of solid wastes, electrokinetic methods, and warm treatment in lifting soil stabilisation and report their effectiveness and environmental issues. The procedure conducted in this place study consists of synthesizing the criterion-relevant research everything. The utilisation of solid wastes at different facet ratios bestowed throughout this study can improve various soil-engineering characteristics such as Atterberg limits, swell potential, Compaction traits, swelling pressure, shear substance, UCS, and CBR. The electrokinetic treatment plan applied on heaving soil reduces the lump potential (volume change) and considerably increases the soil strength. The thermal situation method resides of heating the lifting soil at 600°C. The fine fraction reduces significantly. The pliancy index, linear decrease, and swelling potential can be diminished by about 30%, 15- 27%, and 15- 38% respectively. The gdmax and OMC maybe enhanced by about 15%. The shear substance and CBR can be raised by about 30%. The utilisation of solid waste materials as a building input assisted achieve a dual purpose. The first search out reduce the antagonistic impact of the wastes on the geo-environment, and the second is substituting high-priced stabiliser materials such as thick and cement since the cost of adhesive, cement, and chemical stabiliser increases due to strength and raw material. However, the thermal treatment pattern increases the greenhouse vapor responsible for global heating.

Author(s) Details:

Armand Augustin Fondjo,
Department of Civil Engineering, Faculty of Engineering Built Environment & Information Technology, Central University of Technology, Free State, South Africa.

Bongiwe Vuwane,
Department of Civil Engineering, Faculty of Engineering Built Environment & Information Technology, Central University of Technology, Free State, South Africa

Elizabeth Theron,
Department of Civil Engineering, Faculty of Engineering Built Environment & Information Technology, Central University of Technology, Free State, South Africa.

Please see the link here: https://stm.bookpi.org/TAER-V1/article/view/12764