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The wellbeing of modern societies is dependent upon the functioning of their infrastructure networks. This paper introduces the 3C concept, an integrative multi-system and multi-stakeholder optimization approach for managing infrastructure interventions (e.g., maintenance, renovation, etc.). The proposed approach takes advantage of the benefits ach...
Contexts in source publication
Context 1
... network is composed of three infrastructure networks: water network, highway, and railway (Fig. 5). The networks are operated by independent operators, herein called W (water operator), H (Highway operator), and R (Railway operator). Every network is divided into several objects identified according to their physical location and/or functional dependence. The water network is divided into six objects (W1-6), the highway network is ...
Context 2
... H (Highway operator), and R (Railway operator). Every network is divided into several objects identified according to their physical location and/or functional dependence. The water network is divided into six objects (W1-6), the highway network is divided into four objects (H1-4), and the railway network is divided into two objects (R1-2). Fig. 5 shows the analyzed infrastructure networks with several intervention types that are to be planned. As shown in the figure, the objects intersect at different locations. These intersections imply interdependency among the objects in such a way that an intervention on one object could cause a closure to the intersecting objects. The ...
Context 3
... unavailability cost of an object reflects the impact the object would cause if it becomes unavailable (i.e., higher cost implies increased impact). These interactions among the objects, which are necessary to feed the interaction matrix I, are also listed in the table. An example of directly and indirectly affected objects is intervention I2 (see Fig. 5). I2 is an intervention type performed on the buried water network object W1, which requires the closure of highway H1 because of the excavation, and the closure W2 because it is an extension object of W1. In this case, W1 is said to be directly affected by I2 while H1 and W2 are indirectly affected. The service unavailability costs of ...
Context 4
... shown in Fig. 5, seven preventive intervention types are to be planned. The intervention types target different objects at different locations. The intervention types with their descriptions are listed in Table 2. Information about the time intervals between interventions of the same type is also presented. Interventions of the same type can be ...
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