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, ALDYKIEWICZ Antonio J., Jr, PIRES Djassi- Biko Rodrigues, MORGAN Michael D
Format: Patent
Sprache:eng ; spa
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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. Método y composición para producir agregados a partir de cemento y concreto, incluyendo concreto residual o devuelto. Los métodos ejemplares involucran el uso de un inductor formador de agregado que proporciona un sitio de anclaje superficial para que se una/adhiera la pasta de cemento, tal como papel de periódico triturado, cartulina, o mezclas de los mismos, y que incluye también materiales de fibra tales como polímeros, vidrio, y otras fibras de material. El inductor formador de agregado se mezcla con concreto fresco hasta que se forman agregados.