ArticleScientific reports2026
Recycling waste concrete into alkali-activated geo-binders for sand stabilization.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Mechanical and environmental performance of engineered earthen walls reinforced with waste carpet fibers.Scientific reports · 2026Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study investigates the feasibility of using waste concrete powder (WCP) as an alkali-activated binder (AAB) for sustainable soil stabilization. Sodium hydroxide (NaOH) and sodium silicate (SS) were used as activators, and the influence of WCP content, activator composition, and water-to-solution ratio (W/S) on the unconfined compressive strength (UCS) was evaluated through laboratory tests. The results showed that the UCS of the stabilized soil reached up to 3.1 MPa under ambient conditions. The direct shear test revealed that even the lowest-performing mixture design increased both the friction angle and cohesion compared to the conventional compaction method. Microstructural characterization using FE-SEM, EDS, and XRD was performed, and the observations confirmed the formation of calcium-aluminosilicate-hydrate (C-A-S-H) and sodium-aluminosilicate-hydrate (N-A-S-H) gels that contribute to soil strength enhancement. A gradient boosting regression (GBR) machine learning model was developed to predict UCS based on experimental variables, showing high accuracy (R
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