RE4

The RE⁴ project – REuse and REcycling of Construction and Deconstruction Waste (CDW), materials and structures in energy efficient pREfabricated elements for building REfurbishment and construction – is an European project aiming at the development of a fully prefabricated energy-efficient building bade of components containing up to 65% by weight of CDW-derived materials and structures.

The project is currently co-financed by the European Commission’s Horizon 2020 programme.

Highlights

Over the last months, the project focused on testing products and processes ensuring both easy installation and dismantling in the construction sector manufactured with significant percentages of Construction and Demolition Waste derived aggregates, using materials sorted by other RE4 partners.

The project received a recognition award at the Deutscher Holzbaupreis 2019 highlighting timber façade panels, testing an innovative internal partition wall system. and the design concept for fully reversible, prefabricated, multi-story residential buildings constructed from waste wood is described in a scientific paper, titled “Strategies for circular, prefab buildings from waste wood”, realised by “Earth and Environmental Science” Journal.

THE PROJECT

THE PROJECT

The RE⁴ project aims to promote new technological solutions and strategies for the development of prefabricated elements with high degree of recycled materials and reused structures from demolished buildings. The main aim of the project is to develop an energy efficient building produced from CDW, thus minimizing environmental impacts in construction industry.

In order to reach its objective the project involves the development of several intermediate but self-standing industrial results, like an innovative CDW sorting system based on automated robotics equipped with advanced sensors, a number of prefabricated building components (including connections) based on CDW-derived materials and structures, as well as the related production processes and equipment.

ACTIVITIES

ACTIVITIES

ACR+ is in particular in charge of gathering data about CDW management regulatory framework and the use of economic instruments as waste taxes, waste collection charges, taxes on raw materials and products, deposit-refund schemes and subsidies and fiscal incentives to improve the performances of the CDW management systems in Europe. ACR+ is also in charge of some communication and dissemination activities to spread the project results to local and regional authorities: a brochure, a roll-up poster and a project presentation were created at the beginning of the project and updated based on the project development.

PARTNERS INVOLVED

PARTNERS INVOLVED

RE⁴'s project leader is CETMA (Centro di progettazione, design & tecnologie dei materiali, IT) and its project partners are:

ACC, Acciona Infraestructuras sa (ES)
ACR+, Association of Cities and Regions for Sustainable Resource Management (BE)
RISE Research Institutes of Sweden AB (formerly CBI Betonginstitutet AB) (SE)
CDE, CDE global limited (UK)
CREAGH Concrete, CREAGH Concrete Products Limited (UK)
FENIX TNT s.r.o. (CZ)
NTUST, National Taiwan University Of Science And Technology (TW)
QUB, The Queen's University Of Belfast (UK)
ZRSA, Roswag Architekten Gesellschaft Von Architekten Mbh (DE)
STAM, STAM SRL (IT)
STRESS Sviluppo tecnologie e ricerca per l'edilizia sismicamente sicura ed ecosostenibile scarl (IT)
VH, VORTEX HYDRA S.R.L (IT)

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