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Model Code 2010 creep and shrinkage models extension to recycled aggregate concrete

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Tošić, NikolaMés informacióMés informacióMés informació
Fuente Antequera, Albert de laMés informacióMés informacióMés informació
Marinkovic, Snežana
Document typeConference report
Defense date2019
PublisherInternational Federation for Structural Concrete (fib)
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
Recycled aggregate concrete (RAC) produced with recycled concrete aggregate (RCA) is one of the most promising ways of eliminating concrete waste and saving natural resources. However, shrinkage and creep behaviour of RAC, important for serviceability design of reinforced and prestressed concrete structures, are still insufficiently studied and guidelines for RAC serviceability design are still not incorporated into design codes and standards. This study aims to systematize the knowledge gained on RAC shrinkage and creep behaviour thus far and to offer analytic expressions for predicting RAC shrinkage strain and creep coefficient. For this purpose, databases of previously published results on RAC shrinkage and creep were compiled and the results on RAC were analysed relative to companion natural aggregate concrete (NAC). The results showed a systematically higher shrinkage and creep of RAC relative to NAC. Finally, analytic expressions for correction coefficients, dependent on RAC compressive strength and RCA replacement ratio, were formulated for predicting RAC shrinkage strain and creep coefficient using the fib Model Code 2010.
CitationTošic, N.; de la Fuente, A.; Marinkovic, S. Model Code 2010 creep and shrinkage models extension to recycled aggregate concrete. A: fib Symposium. "Concrete Innovations in Materials, Design and Structures: proceedings of the fib Symposium 2019 held in Kraków, Poland 27-29 May 2019". International Federation for Structural Concrete (fib), 2019, p. 1987-1997. 
URIhttp://hdl.handle.net/2117/186429
ISBN978-2-940643-00-4
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  • Departament d'Enginyeria Civil i Ambiental - Ponències/Comunicacions de congressos [1.165]
  • EC - Enginyeria de la Construcció - Ponències/Comunicacions de congressos [249]
  • DECA - Grup de Recerca del Departament d'Enginyeria Civil i Ambiental - Ponències/Comunicacions de congressos [34]
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