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2. Efficiency over time
Efficiency, as described in the previous paragraph, can be described as a "steady-state" concept. This corresponds to the usual contexts of industrial processes. In the case of construction, this steady state, known as the "operating phase", is much more complex, since it must take into account the behavior of users with regard to the building.
This essential interaction raises the question of how efficiency can be sustained over time in the face of the vagaries of a fluctuating environment. In common parlance, we could say that efficiency must be "robust" enough to withstand the variations of different stakeholders.
In fact, from the perspective of sustainable development, it is imperative to question the relationship between "efficiency and duration" in two ways:
how is the display of efficiency...
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Efficiency over time
Conclusion
Bibliography
In Engineering Techniques
Websites
(Non-exhaustive list)
The generic concept
• WBCSD (World Business Council for Sustainable Development) provides a wealth of documentation http://www.wbcsd.org/
• CASBEE – Japanese approach to environmental eco-efficiency http://www.architects.org/
...Standards
- Fascicule explicitant les engagements que tout responsable économique doit envisager pour contribuer au développement durable. - AFNOR FD SD 21000 -
- Fascicule sur la déclinaison des principes du développement durable pour la construction. - ISO TC 59 SC 17 -
- Analyse du cycle de vie (AFNOR). - ISO 14040 -
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