Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Economic effects of full corrosion surveys for aging concrete structures
This paper investigates the economic effects of full corrosion surveys of concrete structures. The background is that the existing concrete infrastructure is aging, while being exposed to aggressive influences, which increases the occurrence of corrosion and related concrete damage over time. The central proposition is that solely relying on visual inspection for interventions (repair) may result in unnecessarily high costs and associated risks. The reason is that visual inspection can only signal deterioration that is in a relatively advanced stage of development. Consequently, heavy and costly repairs are needed, while undetected degradations still go on developing, presenting future risks. On the other hand, carrying out full surface corrosion surveys may be considerably more economic. This is because using detailed survey information, degradation can be detected at an early stage. Prevention of corrosion is generally less costly than correction. Consequently, an optimal mix of preventive and corrective measures can be applied at the right time and at the right places. These alternative approaches to inspection may be considered elements in so-called reactive and proactive strategies for maintenance of infrastructure, respectively.
Economic effects of full corrosion surveys for aging concrete structures
This paper investigates the economic effects of full corrosion surveys of concrete structures. The background is that the existing concrete infrastructure is aging, while being exposed to aggressive influences, which increases the occurrence of corrosion and related concrete damage over time. The central proposition is that solely relying on visual inspection for interventions (repair) may result in unnecessarily high costs and associated risks. The reason is that visual inspection can only signal deterioration that is in a relatively advanced stage of development. Consequently, heavy and costly repairs are needed, while undetected degradations still go on developing, presenting future risks. On the other hand, carrying out full surface corrosion surveys may be considerably more economic. This is because using detailed survey information, degradation can be detected at an early stage. Prevention of corrosion is generally less costly than correction. Consequently, an optimal mix of preventive and corrective measures can be applied at the right time and at the right places. These alternative approaches to inspection may be considered elements in so-called reactive and proactive strategies for maintenance of infrastructure, respectively.
Economic effects of full corrosion surveys for aging concrete structures
Polder, R.B. (Autor:in) / Peelen, W.H.A. (Autor:in) / Raupach, M. (Autor:in) / Reichling, K. (Autor:in)
Materials and Corrosion ; 64 ; 105-110
2013
6 Seiten, 3 Bilder, 1 Tabelle, 20 Quellen
Aufsatz (Zeitschrift)
Englisch
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