ArticleScientific reports2026
Evaluation of mechanical behavior and microstructural studies of paper sludge ash-treated fine grained soil: A step towards sustainable building materials.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
It is well known that waste generation and its poor disposal practices have adverse environmental impacts. This study investigates a sustainable solution to improve soil properties using paper sludge ash (PSA), focusing on the physical, mechanical, and microstructural characterization of the stabilized material for building materials and field applications. Different tests were used to study the engineering characteristics of clay soil, which included standard proctor compaction, Atterberg limits, unconfined compressive strength (UCS) and pH. Besides, microstructural changes and mineralogical compositions were assessed using FESEM, XRD, and XRF. Effects of PSA content (0, 2.5, 5 and 10% by dry weight of soil), curing time (1, 7 and 28 days) and dry density (14, 15 and 16 kN/m
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