HAL Id: hal-00779405
https://hal.archives-ouvertes.fr/hal-00779405
Submitted on 22 Jan 2013
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La durée de vie des canalisations, une notion insuffisante pour conduire une politique de renouvellement
Eddy Renaud, Bernard Brémond, Yves Le Gat
To cite this version:
Eddy Renaud, Bernard Brémond, Yves Le Gat. La durée de vie des canalisations, une notion insuff-
isante pour conduire une politique de renouvellement. ASTEE : Les outils de la gouvernance locale
des services d’eau et d’assainissement, Oct 2011, Bordeaux, France. 10 p. �hal-00779405�
11
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Estimation selon la courbe de survie Estimation selon la durée de vie
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0 0.5 1 1.5 2 2.5 3
2010 2020 2030 2040 2050 2060 2070 2080 2090
Temps (années)
Taux annuel de renouvellement (%)
Approche "Courbe de s urvie" Approche "Durée de vie" Approche "Effort constant"
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