Application of Anhydrous Calcium Sulphate in Cement Bound Granular Pavement Layers: Towards a Circular Economy Approach

James Rombi
Secondo
Writing – Original Draft Preparation
;
Mauro Coni
Primo
Conceptualization
;
Marco Olianas
Investigation
;
Marta Salis
Membro del Collaboration Group
;
2021-01-01

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.
2021
Inglese
Computational Science and Its Applications, ICCSA 2021 Proceedings, Part X
978-3-030-87015-7
Springer
Cham
SVIZZERA
Osvaldo Gervasi, Beniamino Murgante, Sanjay Misra, Chiara Garau, Ivan Blečić, David Taniar, Bernady O. Apduhan, Ana Maria A. C. Rocha, Eufemia Tarantino, Carmelo Maria Torre
12958
91
99
9
https://link.springer.com/chapter/10.1007/978-3-030-87016-4_7
21st International Conference [on] Computational Science and Its Applications, ICCSA 2021
Su invito
Esperti anonimi
13-16 September 2021
Cagliari
internazionale
scientifica
Anhydrous Calcium Sulphate; Cement Bound Granular Material; Circular Economy; By-product
no
4 Contributo in Atti di Convegno (Proceeding)::4.1 Contributo in Atti di convegno
Rombi, James; Coni, Mauro; Olianas, Marco; Salis, Marta; Portas, Silvia; Scanu, Antonio
273
6
4.1 Contributo in Atti di convegno
reserved
info:eu-repo/semantics/conferencePaper
File in questo prodotto:
File Dimensione Formato  
Rombi-Coni-Olianas-Portas-Salis-Scanu-Road material with gypsum.pdf

Solo gestori archivio

Descrizione: Paper
Tipologia: versione pre-print
Dimensione 372.61 kB
Formato Adobe PDF
372.61 kB Adobe PDF   Visualizza/Apri   Richiedi una copia

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Questionario e social

Condividi su:
Impostazioni cookie