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CO2 Impact Analysis for Road Embankment Construction: Comparison of Lignin and Lime Soil Stabilization Treatments
Open accessAbstract
The last decade has witnessed increased attention toward products, services, and works with reduced environmental impacts. In the field of road construction, the use of alternative materials, wastes, or by-products obtained from industries is attracting considerable interest. The Life Cycle Assessment (LCA) is a powerful project-level tool that allows the assessment of the environmental impacts of a road infrastructure, from raw materials production to end of life phase. In this study, the environmental impacts (in terms of global warming potential-GWP) of an embankment construction project are investigated by a cradle-to-gate approach. The analysis focuses on all the processes involved in the construction of an embankment section, from the base to the preparation of the pavement formation level. The results are provided for two different road types and two different stabilization methods, including the use of lignin and lime. All processes that contribute towards global warming are investigated and described in detail. The most important finding of the LCA, in terms of GWP, is that the production of materials is the phase that contributes the significant share of the total environmental impact (more than 90%) for all scenarios. The lowest production-related emissions can be recorded for the scenarios involving lignin treatment for the stabilization of the embankment body. Furthermore, the percentage increase in GWP ranges between 51% and 39% for transportation activities and 10–11% for construction activities, comparing the scenarios including lime stabilization with the scenarios involving lignin treatment.
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Metadata
- Authors
- Perri, G., De Rose, M., Domitrović, J., & Vaiana, R.
- Affiliations
- University of Calabria (IT)
- Department of Civil Engineering, University of Calabria, 87036 Rende, Italy
- University of Zagreb (HR)
- Corresponding author
- Perri, Giusi
- Venue
- Sustainability
- Publisher
- MDPI AG
- Published
- 2023-01-19
- Volume
- 15
- Issue
- 3
- Pages
- 1912
- ISSN
- 2071-1050 (ISSN-L)
- OpenAlex
- W4317436159
- Cited by
- 34
- References
- 37
- Citations by year
- 2026: 13 · 2025: 7 · 2024: 9 · 2023: 5
- FWCI
- 2.68
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Sustainability (publishedVersion, cc-by)
- RePEc: Research Papers in Economics (submittedVersion)
- Archive of Doctoral Theses and Digital Collections (University of Calabria) (submittedVersion, cc-by)
- Topics
- Physical Sciences › Environmental Science › Environmental Engineering › Environmental Impact and Sustainability
- Physical Sciences › Engineering › Civil and Structural Engineering › Geotechnical and construction materials studies
- Physical Sciences › Engineering › Civil and Structural Engineering › Concrete and Cement Materials Research
- Keywords
- road embankment construction, global warming potential, CO2 emissions, life cycle assessment, cradle-to-gate life cycle assessment, material production emissions, transport emissions
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- Perri, G., De Rose, M., Domitrović, J., & Vaiana, R. (2023). CO2 Impact Analysis for Road Embankment Construction: Comparison of Lignin and Lime Soil Stabilization Treatments. Sustainability. https://doi.org/10.3390/su15031912
