Abstract
The paper presents the research of lime-softening sludge geotechnical properties when using it to construct landfill liners. The physical and mechanical properties of the lime-softening sludge test results are shown. The particle size analysis of the sludge, the specific density of solids of the particles and the specific surface area as well as the consistency limits and the sludge’s compactibility have been determined in laboratory conditions. The tests of mechanical properties such as shear strength, uniaxial compressive strength and tensile strength have been carried out. A particular impact has been put on the sludge hydraulic permeability affected by the sludge moisture content and compaction. The synthetic analysis of the results revealed that the lime-softening sludge, in some determined conditions of building in and maintenance, meets the requirements for the landfill liners of the waste disposal sites and could successfully replace the natural soils in waste-landfill liners. A chart for constructing landfill liners made of sludge has been proposed.
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Dąbska, A. (2024). Lime-Softening Sludge Reuse in Geoenvironmental Construction. In: Hazarika, H., Haigh, S.K., Chaudhary, B., Murai, M., Manandhar, S. (eds) Sustainable Construction Resources in Geotechnical Engineering. IC-CREST 2023. Lecture Notes in Civil Engineering, vol 448. Springer, Singapore. https://doi.org/10.1007/978-981-99-9227-0_19
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DOI: https://doi.org/10.1007/978-981-99-9227-0_19
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