RECYCLED CONCRETE FINES AS A COMPONENT OF COMBINED STABILISATION OF CLAYEY SOILS FOR SUSTAINABLE ROAD CONSTRUCTION
Open accessAbstract
This study investigates the application of recycled concrete fines (RCF) as a mineral modifier and hydrated lime as a traditional stabiliser of clayey soils used in road foundations. The incorporation of RCF was shown to reduce soil plasticity and improve the compactability of loam due to the skeletal effect of inert crystalline particles. Compressive strength tests confirmed the enhanced strength of the modified mixtures. The addition of lime promoted the formation of hydraulic products, providing further gains in soil strength and stability. A clear synergy was identified between the mechanical action of RCF and the chemical stabilisation by lime, which improves the reliability and long-term performance of clayey soils. The findings highlight the feasibility of this combined approach in road construction, consistent with the principles of the circular economy.
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References 22 · Cited by 1
- Authors
- Lviv Polytechnic National University, D. O. H. A. B., Topylko, N., Bidos, V., Lviv Polytechnic National University, D. O. H. A. B., Novytskyi, Y., Lviv Polytechnic National University, D. O. H. A. B., Rainchuk, N., & Lviv Polytechnic National University, D. O. H. A. B.
- Affiliations
- Lviv Polytechnic National University (UA)
- Venue
- Theory and Building Practice
- Publisher
- Lviv Polytechnic National University
- Published
- 2025-11-20
- Volume
- 2025
- Issue
- 2
- Pages
- 16-24
- ISSN
- 2707-1057 (ISSN-L)
- OpenAlex
- W4416708339
- Cited by
- 1
- References
- 22
- Citations by year
- 2026: 1
- FWCI
- 0.36
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Theory and Building Practice (publishedVersion)
- Funders
- Department for International Development
- Agência Nacional de Inovação
- Topics
- Physical Sciences › Engineering › Civil and Structural Engineering › Geotechnical and construction materials studies
- Physical Sciences › Engineering › Civil and Structural Engineering › Geotechnical Engineering and Soil Stabilization
- Physical Sciences › Engineering › Building and Construction › Recycled Aggregate Concrete Performance
- Keywords
- recycled concrete fines, clay soil, soil stabilization, calcium hydroxide, road foundations, soil plasticity, compactibility, compressive strength, circular economy, sustainable road construction
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