The scope of the paper is to study and compare the properties of concrete made of coarse recycled concrete aggregates with the properties of conventional concrete made of natural ones. In particular, the effects of recycled concrete aggregates on long-term behaviour of concrete (shrinkage and creep) are reported highlighting the correlations between cement paste porosity and mechanical properties. Moreover, the adhered mortar of the recycled concrete aggregates is determined and its influence on the final concrete properties is investigated as its content and porosity can greatly influence the final properties of the new concrete. The obtained results are promising in view of a current use of construction and demolition waste (C&DW) for new sustainable structural concrete.
S. Manzi, C. Mazzotti, M. C. Bignozzi (2013). Effect of adhered mortar of recycled concrete aggregates on long-term concrete properties. Japan Concrete Institute (JCI).
Effect of adhered mortar of recycled concrete aggregates on long-term concrete properties
MANZI, STEFANIA;MAZZOTTI, CLAUDIO;BIGNOZZI, MARIA
2013
Abstract
The scope of the paper is to study and compare the properties of concrete made of coarse recycled concrete aggregates with the properties of conventional concrete made of natural ones. In particular, the effects of recycled concrete aggregates on long-term behaviour of concrete (shrinkage and creep) are reported highlighting the correlations between cement paste porosity and mechanical properties. Moreover, the adhered mortar of the recycled concrete aggregates is determined and its influence on the final concrete properties is investigated as its content and porosity can greatly influence the final properties of the new concrete. The obtained results are promising in view of a current use of construction and demolition waste (C&DW) for new sustainable structural concrete.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
