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Hemel, M. (author), Peters, D.J. (author), Schweckendiek, T. (author), Jonkman, Sebastiaan N. (author)The historic canal walls of Amsterdam, stretching 200 km in total, are constructed as a masonry wall on a timber deck supported by vertical timber piles. Understanding the resistance against lateral failure of these quays has been challenging due to uncertainties in their working principles, geometry, soil and structural properties. This...journal article 2024
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Mavritsakis, Antonis (author), Schweckendiek, T. (author), Teixeira, A.E.D.P. (author), Smyrniou, Eleni (author), Nuttall, Jonathan (author)Data-driven site characterization (DDSC) aids geotechnical engineering by inferring and mapping soil parameters of the subsurface domain. In practice, the limited availability of site investigation data may hinder the performance of traditional machine learning methods and implies significant uncertainty in the predictions, which is typically...journal article 2023
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van den Eijnden, A.P. (author), Schweckendiek, T. (author), Hicks, M.A. (author)A kriging-based metamodelling approach for analysing the structural reliability of a sheetpile wall in a dyke is formulated. This specific problem is characterised by high target reliabilities ((Formula presented.)) in combination with a noisy and incomplete numerical model response. Starting from the original formulation of active learning...journal article 2021
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van der Krogt, M.G. (author), Schweckendiek, T. (author), Kok, M. (author)During construction of a dike, slope stability often reaches critical levels, due to the excess pore water pressures in the foundation. The loading condition during construction has similarities with the design conditions during flood loading. Not only in terms of the pore water pressures as the main driving force, but also in terms of...journal article 2021
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van der Krogt, M.G. (author), Klerk, W.J. (author), Kanning, W. (author), Schweckendiek, T. (author), Kok, M. (author)Spatial variability and limited measurements often result in low reliability estimates of geotechnical failure modes of dikes (i.e., earthen flood defences). Required dike reinforcements are usually not executed within a few years after inception, which enables efforts to improve reliability estimates by reducing uncertainty. Often decision...journal article 2020
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Roubos, A.A. (author), Schweckendiek, T. (author), Brinkgreve, R.B.J. (author), Steenbergen, R. D. J. M. (author), Jonkman, Sebastiaan N. (author)While reliability methods have already been widely adopted in civil engineering, the efficiency and robustness of finite element-based reliability assessments of quay walls are still fairly low. In this paper, the reliability indices of structural and geotechnical failure modes of two real-life quay walls are determined by coupling...journal article 2020
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Roubos, A.A. (author), Allaix, Diego L. (author), Schweckendiek, T. (author), Steenbergen, Raphael D.J.M. (author), Jonkman, Sebastiaan N. (author)The assessment of service-proven quay walls subject to corrosion-induced degradation is inherently a time-dependent reliability problem. Two major challenges are the modelling of corrosion and taking into account the decrease of epistemic uncertainty throughout the quay wall's service life. The main objective of this study is to examine the...journal article 2020
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van der Krogt, M.G. (author), Schweckendiek, T. (author)In this paper we show how to calibrate a site-specific transformation model to measure the undrained shear strength from CPTs. This practically unbiased transformation model can then be used to make a better estimation of the spatial average parameter, such as the depth-average of a soil layer in a homogenous deposit, using less costly indirect...conference paper 2019
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Den Adel, N. (author), de Gijt, J.G. (author), Wolters, H. J. (author), Schweckendiek, T. (author)The design of new and assessment of existing quay walls is subject to large uncertainties. Dealing with these uncertainties is a crucial part of the engineering process. The way uncertainties are addressed has a large impact on construction and maintenance costs and on the reliability ultimately obtained. Especially in the assessment of...journal article 2019
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- Jonkman, Sebastiaan N. (author), Vardhanabhuti, Barames (author), Blommaart, Peter (author), de Bruijn, Bas (author), Hardeman, Bianca (author), Kaensap, Kemika (author), van der Meer, Martin (author), Schweckendiek, T. (author), Vrijling, J.K. (author) report 2019
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Kanning, W. (author), Schweckendiek, T. (author)This paper presents a Bayesian model to determine the model uncertainty of a critical horizontal gradient model for piping for dikes, such a Lane and Bligh. A Bayesian model is needed for two reasons. First, there is a large overlap in cases that failed and survived. Second, the evidence of the failed cases is limited .The model consists of a...conference paper 2019
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van der Meer, Anton (author), Schweckendiek, T. (author), Kruse, Henk (author), Schelfhout, Harry (author)The presence of pipelines in flood defenses presents a challenge for assessing the probability of flooding. To prevent costly structural measures compensating for the possible negative effects of pipeline failure, we developed a framework for an integral failure analysis of pipeline and dike failure. The assessment framework is based on an event...conference paper 2019
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van der Krogt, M.G. (author), Schweckendiek, T. (author), Kok, M. (author)One of the failure mechanisms of dikes is slope instability at the landward side. Often, one instability does not lead to flooding, and several successive instabilities are needed before the dike overtops, and erosion and breaching can occur, especially at lower water levels. In this paper we propose a method to estimate the probability of...conference paper 2019
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Klerk, W.J. (author), Schweckendiek, T. (author), den Heijer, Frank (author), Kok, M. (author)One of the most rapidly emerging measures in infrastructure asset management is Structural Health Monitoring (SHM), which aims at reducing uncertainty in structural performance by using monitoring equipment. As earthen flood defence structures typically have large strength uncertainties, such techniques can be particularly promising. However,...journal article 2019
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Dupuits, E.J.C. (author), Klerk, W.J. (author), Schweckendiek, T. (author), de Bruijn, K. M. (author)In risk analysis of riverine flood defence systems, sections of flood defences are often considered separately, herewith ignoring their interdependence, e.g. due to the hydraulic response following dike breaches in the system. In previous studies it has been found that such interdependence can have a significant influence on flood risk estimates...journal article 2019
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Roubos, A.A. (author), Steenbergen, Raphael D.J.M. (author), Schweckendiek, T. (author), Jonkman, Sebastiaan N. (author)Design codes and standards rely on generalised target reliability indices. It is unclear, however, whether these indices are applicable to the specific risk-profile of marine structures. In this study, target reliability indices for quay walls were derived from various risk acceptance criteria, such as economic optimisation, individual risk ...journal article 2018
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Lendering, K.T. (author), Schweckendiek, T. (author), Kok, M. (author)Polders in the Netherlands are protected from flooding by flood defence systems along main water bodies such as rivers, lakes or the sea. Inside polders, canal levees provide protection from smaller water bodies. Canal levees are mainly earthen levees along drainage canals that drain excess water from polders to the main water bodies. The...journal article 2018
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van der Krogt, M.G. (author), Schweckendiek, T. (author), Kok, M. (author)Transformation models are used to infer geotechnical properties from indirect measurements. A site-specific transformation model can be calibrated with direct and indirect measurements from a site. When such a model is used, then spatial variability, measurement errors and statistical uncertainty propagate into the uncertainty of the spatial...journal article 2018
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Kanning, W. (author), Teixeira, Ana (author), van der Krogt, M.G. (author), Rippi, Katerina (author), Schweckendiek, T. (author), Hardeman, B (author)Dikes in the Netherlands are by law required to comply with predefined safety standards. The goal of this paper is to derive the safety format and the required factor of safety for the inner slope (landside slope) instability failure mode. The first step is to derive the required target reliability for a cross-section. The second step is to...conference paper 2017
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Dupuits, E.J.C. (author), Schweckendiek, T. (author), Kok, M. (author)Coastal flood defense systems can consist of multiple lines of defense. In case of a system with a front and a rear defense (e.g. a storm surge barrier and levees), the front defense can improve the reliability of the rear defense by reducing the load on this rear defense. This paper develops a framework in order to assess whether including...journal article 2017