Structural concretes made from recycled precast elements

Title: Structural concretes made from recycled precast elements
Author(s): M. Bassan, M. Quattrone and V. Basilico
Paper category : conference
Book title: 2nd International RILEM Conference on Progress of Recycling in the Built Environment
Editor(s): V.M. John, E. Vazquez, S.C. Angulo, C. Ulsen
e-ISBN: 978-2-35158-122-3
Publisher: RILEM Publications SARL
Publication year: 2011
Pages: 129 - 139
Total Pages: 11
Nb references: 14
Language: English

Abstract: The techniques to recycle rubble from building dismantling are replacing landfill
techniques.

From a quantitative point of view, it is now established (at least in most European Countries) that debris recycling regards above all ceramics, brick and concrete rubble.

The use of these recycled materials is not particularly problematic for low-performance applications, on the contrary, their use to make recycled aggregate concrete (RAC) for high performance structural elements requires more attention.

In this case, second materials, with their specific characteristics, require a deep knowledge of potentially achievable performances and of suitable procedures for their maximization.

A number of ongoing experimental tests, carried out by the “Recycled Building Materials” Group of the Politecnico di Milano’s Building Environment Science and Technology Department, have allowed to identify both specific characteristics of recycled materials and procedures for their correct use to manufacture RAC.

In particular, working in collaboration with precast industries, their production waste has been recycled to produce the recycled aggregates to put into production cycle again. In this way the waste’s quantity to dispose of has been reduced enough.

In this paper a first series of results, concerning test on specimens and on full scale prestressed structural elements, are presented. These results, when conveniently completed, will be used to provide a set of recommendations for the structural use of RAC. The final goal is to draft a set of guidelines for designers and building contractors.

Online publication: 2012-02-08
Publication type : full_text
Public price (Euros): 0.00