High surface area inducers for cementitious aggregates production

Method and composition for producing aggregates from cement and concrete, including residual or returned concrete. Exemplary methods involve the use of an aggregate-forming inducer that provides a surface anchoring site for cement paste to bond/adhere, such as shredded news print, cardboard, or mixt...

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Bibliographische Detailangaben
Hauptverfasser: RIEDER, Klaus Alexander, MORGAN, Michael D, ALDYKIEWICZ JR., Antonio J, PIRES, Djassi-biko Rodrigues
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Method and composition for producing aggregates from cement and concrete, including residual or returned concrete. Exemplary methods involve the use of an aggregate-forming inducer that provides a surface anchoring site for cement paste to bond/adhere, such as shredded news print, cardboard, or mixtures thereof, and also including fiber materials such as polymers, glass, and other material fibers. The aggregate-forming inducer is mixed with fresh concrete until aggregates are formed.