Research results of fine-grained soil stabilization using fly ash from Serbian electric power plants
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This paper presents the results of laboratory research of fly-ash soil stabilization. Tests were conducted on mixtures with two types of fine-grained soils and fly ash sampled in Serbian electric power plant Kolubara. Used types of soils are low plasticity silty clay and very expansive, medium to high plasticity clay. Effects of fly ash on physical and mechanical properties of soil (grain size distribution, Atterberg limits, unconfined compression strength, moisture-density relationship, swell potential, CBR) were evaluated. Test mixtures were prepared at optimum water content from standard Proctor compaction test. Results of the research indicate that fly ash can effectively improve some engineering properties of soil.
Keywords:Fine-grained soil / Fly ash / Soil stabilization
Source:18th International Conference on Soil Mechanics and Geotechnical Engineering: Challenges and Innovations in Geotechnics, 2013, 4, 3267-3270
- Presses des Ponts, Paris
- Research project funded by Electric Power Industry of Serbia.