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Sousa, H. (author), Courage, W.M.G. (author)
article 2021
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Argyroudis, S.A. (author), Fotopoulou, S. (author), Karafagka, S. (author), Pitilakis, K. (author), Selva, J. (author), Salzano, E. (author), Basco, A. (author), Crowley, H. (author), Rodrigues, D. (author), Matos, J.P. (author), Schleiss, A.J. (author), Courage, W. (author), Reinders, J. (author), Cheng, Y. (author), Akkar, S. (author), Uckan, E. (author), Erdik, M. (author), Giardini, D. (author), Mignan, A. (author)
Recent natural disasters that seriously affected critical infrastructure (CI) with significant socio-economic losses and impact revealed the need for the development of reliable methodologies for vulnerability and risk assessment. In this paper, a risk-based multi-level stress test method that has been recently proposed, aimed at enhancing...
article 2020
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Sousa, H. (author), Slobbe, A. (author), Courage, W. (author)
Over the past century, European countries have developed mature and extensive transportation infrastructure networks, in which bridges play a vital role. Their design is increasingly influenced by life-cycle multi-objective performance criteria, which comprise economic, environmental and social factors. Hence, the emphasis has shifted from new...
conference paper 2019
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Rozsas, A. (author), Slobbe, A.T. (author), Allaix, D.L. (author), Courage, W.M.G. (author), Bigaj van Vliet, A.J. (author), Burggraaf, H.G. (author)
The objective of this paper is to explore the added value of full-probabilistic nonlinear finite
bookPart 2019
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Lagasse, L.C. (author), Courage, W.M.G. (author), Abspoel-Bukman, L.M. (author), Kruse, H. (author), Clemens, F. (author), Langeveld, J. (author)
report 2019
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Pitilakis, K. (author), Argyroudis, S. (author), Fotopoulou, S. (author), Karafagka, S. (author), Kakderi, K. (author), Selva, J. (author), Salzano, E. (author), Basco, A. (author), Crowley, H. (author), Rodrigues, D. (author), Matos, J.P. (author), Schleiss, A.J. (author), Courage, W.M.G. (author), Reinders, J.E.A. (author), Akkar, S. (author), Cheng, Y. (author), Uckan, E. (author)
In the context of the STREST project (http://www.strest-eu.org/), an engineering multi-level risk-based methodology to stress test critical non-nuclear infrastructures has been developed. This paper summarizes the STREST framework and its exploratory application to six key representative Critical infrastructures in Europe, exposed to variant...
conference paper 2018
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Slobbe, A. (author), Allaix, D.L. (author), Courage, W. (author), van Vliet, A.B. (author)
The accuracy of predictions of structural behavior by finite element analysis strongly depends on the formulation of the numerical model. Depending on the problem at hand, the analyst has to make a number of choices, which influence the numerical results to a greater or lesser extent. For complex cases, e.g. existing reinforced concrete...
conference paper 2017
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Kosgodagan-Dalla Torre, A. (author), Yeung, T.G. (author), Morales-Nápoles, O. (author), Castanier, B. (author), Maljaars, J. (author), Courage, W. (author)
Modeling the stochastic evolution of a large-scale fleet or network generally proves to be challenging. This difficulty may be compounded through complex relationships between various assets in the network. Although a great number of probabilistic graph-based models (e.g., Bayesian networks) have been developed recently to describe the behavior...
article 2017
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Courage, W.M.G. (author), Nicoreac, M.P. (author), Kempker, P.L. (author)
For offshore wind turbines (OWT’s) environmental and accessibility conditions make inspection and maintenance costly. Hence the potential of cost reduction when the planning of these actions can be optimized. Taking uncertainties into account, a risk based concept is adopted in which probabilities of failure and its consequences are balanced...
conference paper 2017
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Abspoel, L.M. (author), Courage, W.M.G. (author), van den Broeck, W. (author), Kruse, H. (author)
Pipeline networks for gas and water are the lifelines of our society. Their presence and correct functioning translates in benefits and any disruption, malfunctioning or ruptures represent hazards for the community. Most pipelines are buried, which impedes direct monitoring of the structural reliability of the networks. The behavior of the soil...
conference paper 2017
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Morales Napoles, O. (author), Paprotny, D. (author), Worm, D. (author), Abspoel-Bukman, L. (author), Courage, W. (author)
In this paper two methodologies are investigated that contribute to better assessment of risks related to extreme rainfall events. Firstly, one-parameter bivariate copulas are used to analyze rain gauge data in the Netherlands. Out of three models considered, the Gumbel copula, which indicates upper tail dependence, represents the data most...
article 2017
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Courage, W.M.G. (author), Dragt, R.C. (author), Pijpers, R.J.M. (author), Maljaars, J. (author), Walters, C.L. (author), van der Weijde, G.D. (author)
design driver for Offshore Wind Turbine (OWT) substructures and also has an im-pact on operational costs. During service life, inspections are required to detect fa-tigue cracks at an early stage. These cracks may need to be repaired. The costs of in-spections and repair are high for offshore structures. To reduce the cost of energy, it is...
article 2016
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van den Heuvel, F. (author), Schouten, M. (author), Abspoel, L. (author), Courage, W. (author), Kruse, H. (author), Langius, E. (author)
Pipeline networks for gas and water are the lifelines of our society. Most pipelines are buried, which impedes direct monitoring of the structural reliability of the networks. The behavior of the soil surrounding the pipes may impose hazardous loads or deformations threatening the integrity of the network or even cause failure of pipes. This is...
conference paper 2016
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Polder, R.B. (author), Pan, Y. (author), Courage, W.M.G. (author), Peelen, W.H.A. (author)
Maintenance costs of reinforced concrete infrastructure (bridges, tunnels, harbours, parking
article 2016
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Kosgodagan, A. (author), Morales-Napoles, O. (author), Maljaars, J. (author), Courage, W.M.G. (author)
Markov-based models for predicting deterioration for civil infrastructures are widely recognized as suitable tools addressing this mechanism. The objective of this paper is to provide insights regarding a network of orthotropic steel bridges in terms of degradation. Consequently, a model combining a dynamic Bayesian network and a Markov chain is...
conference paper 2016
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Attema, T. (author), Courage, W.M.G. (author), Maljaars, J. (author), van Meerveld, H. (author), Paulissen, J.H. (author), Pijpers, R.J.M. (author), Slobbe, A.T. (author)
This paper presents a monitoring and modelling methodology to assess the current and future conditions of steel bridges subjected to fatigue cracking. Steel bridges are subjected to fatigue cracking as a result of fluctuating stresses caused by the crossing of heavy vehicles. Specifically for orthotropic steel bridge decks, fatigue cracking is...
conference paper 2015
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Polder, R.B. (author), Leegwater, G.A. (author), Worm, D.T.H. (author), Courage, W.M.G. (author)
Cathodic protection (CP) of reinforcing steel has been applied successfully to concrete structures with corrosion damage for more than 25 years. Performance and maintenance data are reported from an inventory of CP systems in The Netherlands installed on about 100 structures between 1987 and 2010. The large majority provides corrosion protection...
article 2014
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Zouch, M. (author), Courage, W. (author), Napoles-Morales, O. (author)
We present a framework for road network management to assist road authorities in maintenance budget estimations and long-term maintenance strategies definition. Information about road conditions is obtained from monitoring. Available data are used to estimate and update prediction of degradation evolution. Our decision-making under uncertainty...
conference paper 2014
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van Straalen, IJ.J. (author), Abspoel-Bukman, L.M. (author), Courage, W.M.G. (author), Mennink, J. (author)
Nowadays, maintenance of wooden window frames strongly depends on the practical experience of the parties involved. To get a better understanding of the required maintenance period and maintenance actions, a model has been developed to predict durability. This model makes it possible to optimize maintenance in relation to the required quality,...
conference paper 2014
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Vergeer, R. (author), Courage, W.M.G. (author), van Elst, N.P. (author), Huibregtse, J.N. (author), de Jong, T. (author)
Expert judgement is een wijze voor het verzamelen van informatie van experts over een probleem of onderwerp, waarbij de verschillende experts op een valide wijze rekenkundig geaggregeerd worden.
report 2014
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