ECOTECH - ECOTECH : production durable et technologies de l'environnement

Analyse Systémique de l'Utilisation de Ressources renouvelables de la Technosphère – ASURET

Improving construction and demolition (C&D) activities environmental balance: natural resources conservation and recycling optimization.

Research for C&D activities environmental balance improving conditions, optimizing natural resources use and material recycling through a sectorial systemic analysis and the identification of better production and consumption models.

Reducing natural resources consumptions improving the valorisation of recycled materials for construction.

ASURET provides construction and territorial planning actors (buildings, equipment, infrastructures construction and demolition) with an approach and a decision-aid method designed to help them reducing environmental impacts, especially those linked to natural resources consumption, while bringing solid elements for the development of recycling activities.<br />ASURET offers the opportunity, through a systemic approach, to better consider the global cycle of construction materials, to assess materials and waste flows and stocks, to identify efficient technics supporting construction, demolition and recycling and to highlight good practices identification from stakeholders’ consultation.<br />Researches especially focused on:<br />Stocks, input and output flows (materials and waste) multi-scale assessment;<br />? Output flows recycling potential;<br />? Recycling practices extension and generalisation;<br />? Organisational and human levers and barriers identification, good practices appropriation conditions for stakeholders.

Researches turned attention on the scale of analysis, considering local scale (the building site), territorial scale (city, department and region) and global scale (C&D activities within national economy). A systematic analysis of construction and demolition activities could thus be conducted.
Research focused on the development of a waste and material flows and stocks analysis method for data and environmental impacts identification, as well as on human aspects of the system, analysing adherence factors and non-cooperation risks for C&D actors, thanks to a participative analysis method.
Regarding recycling development, ASURET analysed the needs and potential markets for recycled materials, possible valorisation ways and environmental performances of processes related to secondary raw materials valorisation.
These methodological tools were tested within two territorial case studies (Orléans city and Bouches-du-Rhône department) using prospective scenarios.

ASURET provides C&D actors with tools for implementation of a better natural resources and C&D waste management strategy, and for environmental impacts reducing.
ASURET main results consist in a flows and stocks analysis method for C&D activities, from which prospective scenarios (such as regulation, societal, urban evolutions or shortages) can be calculated in order to optimize waste management at a territorial scale.

Tools developed by ASURET could be implemented on various territories (cities, agglomerations, buildings owned by public or private planners), in order to:
- Elaborate initial diagnosis for specific territories;
- Provide information for local planification;
- Characterise interactions between a territory and its environment (resources related context, shortage risk<);
- Simulate and analyse at different scales a recycling policy effects, follow associated environmental benefits and support such initiatives implementation.
These tools could be the subject of later developments.

The implemented systemic approach and multiplicity of actors needed specific communication around various scientific subjects such as C&D waste recycling (WasteEng 2012, COLEIT 2012, revue Resources, conservation and Recycling), urbanism evolution (Futurs Urbains 2013), societal aspects of professional practices toward a more sustainable resources management.

Project coordinator

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.


Help of the ANR 0 euros
Beginning and duration of the scientific project: - 0 Months

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