Thermoactivated cement from construction and demolition waste for pavement base stabilization: A case study in Brazil

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dc.contributor.authorPereira V.M.
dc.contributor.authorBaldusco R.
dc.contributor.authorSilva P.B.
dc.contributor.authorQuarcioni V.A.
dc.contributor.authorMotta R.S.
dc.contributor.authorSuzuki S.
dc.contributor.authorAngulo S.C.
dc.date.accessioned2024-05-01T06:13:23Z
dc.date.available2024-05-01T06:13:23Z
dc.date.issued2024
dc.description.abstract© The Author(s) 2024.Construction and demolition waste (CDW) worldwide generation accounts 10 billion tonnes yearly. The major fraction is landfilled requiring innovative recycling methods to reduce the associated environmental impacts and to increase its circularity. Our study demonstrated the feasibility of using different CDW fines to develop recycled cements and optimized the content of CDW recycled cements with well-graded crushed stone (WGCS) for use as pavement base layer. We scaled up the study obtaining CDW cement and aggregates from a local recycling plant, as well as pilot pavement sections designed, constructed and field deflections measured. As results, the CDW cement pastes exhibited accumulated heat values of up to 111 J g−1 and achieved a compressive strength of approximately 16 MPa. The unconfined compressive strength and resilient modulus (RM) achieved using CDW cement and WGCS were 2–3 and >3000 MPa, respectively. The sections constructed using CDW cement exhibited intermediate behaviour compared to those obtained using reference materials (6% Portland cement-WGCS and a conventional granular base made using WGCS). The deflection decreased over time owing to the pozzolanic reaction.
dc.identifier.doi10.1177/0734242X241227370
dc.identifier.issnNone
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/38607
dc.relation.ispartofWaste Management and Research
dc.rightsAcesso Aberto
dc.subject.otherlanguageConstruction and demolition waste
dc.subject.otherlanguagefines
dc.subject.otherlanguagepavement base
dc.subject.otherlanguagerecycled cement
dc.titleThermoactivated cement from construction and demolition waste for pavement base stabilization: A case study in Brazil
dc.typeArtigo
local.scopus.citations4
local.scopus.eid2-s2.0-85185160623
local.scopus.subjectBase layers
local.scopus.subjectCase-studies
local.scopus.subjectConstruction and demolition waste
local.scopus.subjectContent of constructions
local.scopus.subjectFine
local.scopus.subjectGraded crushed stones
local.scopus.subjectPavement base
local.scopus.subjectRecycled cements
local.scopus.subjectRecycling methods
local.scopus.subjectScaled-up
local.scopus.updated2024-12-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85185160623&origin=inward
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