Abstract
The reported research concerns about Anhydrous Calcium Sulphate (A.C.S.) potential applications in Cement Bound Granular Material (C.B.M.) pavement layers. A.C.S. is a secondary byproduct deriving from industrial production processes. This research aims to find the best C.B.M. mix, in terms of mechanical performances, in which A.C.S partially replaces Portland cement. A total of 5 different mixes were studied, with variable percentages of cement ranging between 1% and 3% and A.C.S. ranging between 0% and 4%. On each of the prepared specimens, compression strength and indirect tensile strength tests were performed. A trail pavement, under construction, based on the result of the laboratory tests, allows establishing the performances in working conditions.
The preliminary results are encouraging: good mechanical performances, if compared to traditional C.B.M. incorporating only Portland cement, can be observed when the overall binder content in the mix (given by the sum of cement and A.C.S. percentages) is kept in the range of 5%. There is a need to study new applications for byproducts to achieve sustainable development towards a circular economy strategy in the construction sector.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Lehne, J., Preston, F.: Making Concrete Change, Innovation in Low-carbon Cement and Concrete. Chatham House, London (2018)
Andrew, R.M.: Global CO2 emissions from cement production. Earth Syst. Sci. Data 10, 195–217 (2018)
Chen, I., Juenger, M.: Incorporation of waste materials into Portland cement clinker synthesized from natural raw materials. J. Mater. Sci. 44, 2617–2627 (2009). https://doi.org/10.1007/s10853-009-3342-x
O’Rourke, B., et al.: Development of calcium sulfate–ggbs–Portland cement binders. Constr. Build. Mater. 23, 340–346 (2009)
Gartner, E.: Industrially interesting approaches to “low-CO2” cements. Cem. Concr. Res. 34, 1489–1498 (2004)
Shen, W., et al.: Investigation on the application of steel slag–fly ash–phosphogypsum solidified material as road base material. J. Hazard. Mater. 164, 99–104 (2009)
Zhang, B., et al.: Slight-expansive road base course binder: properties, hydration and performance. Constr. Build. Mater. 150, 626–633 (2017)
Li, J., et al.: Investigation on the preparation and performance of clinker-fly ash-gypsum road base course binder. Constr. Build. Mater. 212, 39–48 (2019)
Xuan, D.X., et al.: Mechanical properties of cement-treated aggregate material – a review. Mater. Des. 33, 496–502 (2012)
Rombi, J., et al.: The use of granite byproducts deriving from tunneling excavations for road construction purposes. In: 5th International conference on Sustainability of Road Infrastructures (2012)
Acknowledgments
This study was supported and financed by the FLORSID within the project “Ricerca e sperimentazione sul sottoprodotto solfato di calcio nelle costruzioni e infrastrutture stradali”.
Authors would like to thank in particular Dr. Luca Pala, Laboratory and R&D Director at Fluorsid S.p.a., for promoting and developing the project R.I.U.S.A. (Road Infrastructures by Using Synthetic Anhydrite),
Author information
Authors and Affiliations
Contributions
Concept and methodology, J.R., M.C., M.O., and A.S.; experimental campaign and validation, J.R., M.O., and A.S.; analysis, M.O., J.R., A.S., and S.P.; writing, review and editing, J.R., M.S., A.S, S.P, MC and M.O.; project administration, M.C. and S.P. All authors have read and agreed to the published version of the manuscript.
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2021 Springer Nature Switzerland AG
About this paper
Cite this paper
Rombi, J., Coni, M., Olianas, M., Salis, M., Portas, S., Scanu, A. (2021). Application of Anhydrous Calcium Sulphate in Cement Bound Granular Pavement Layers: Towards a Circular Economy Approach. In: Gervasi, O., et al. Computational Science and Its Applications – ICCSA 2021. ICCSA 2021. Lecture Notes in Computer Science(), vol 12958. Springer, Cham. https://doi.org/10.1007/978-3-030-87016-4_7
Download citation
DOI: https://doi.org/10.1007/978-3-030-87016-4_7
Published:
Publisher Name: Springer, Cham
Print ISBN: 978-3-030-87015-7
Online ISBN: 978-3-030-87016-4
eBook Packages: Computer ScienceComputer Science (R0)