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Ensink, S.W.H. (author)About 70 prestressed concrete Tbeam bridges, constructed in the Netherlands between 1953–1977, are still in use today with many located in the main highway network. This type of bridge consists of prefabricated and prestressed Tshaped beams, with an integrated deck slab, crossbeams and transverse prestressing. Even if these bridges are well...doctoral thesis 2024
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van Keulen, D.C. (author)The thixotropic properties of contemporary mortars allow the insertion of mortar in small vertical seams by using a mortar pump without the need for traditional formwork. In such a seam, a vertical mortar connection for the transfer of shear forces can be created by simply adding a proﬁle to the mortartoconcrete interfaces. In this way a...doctoral thesis 2023
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Yan, R. (author)Highstrength steel (HSS) has higher strength but lower ductility than mild steel. The crosssection of the structural members may be reduced using HSS instead of mild steel, provided the buckling of elements does not govern the failure. The reduced member size benefits the environment and economy by means of less energy consumption, less carbon...doctoral thesis 2023
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Zhang, F. (author)Existing concrete bridges require efficient assessment due to increasing traffic load and degrading material. For reinforced concrete structures without shear reinforcement, a typical failure mode is shear, which often means a total loss of structural capacity and does not have an obvious warning beforehand. To indicate the shear failure before...doctoral thesis 2022
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Roosen, M.A. (author)In the design process of prestressed bridges and viaducts, the required amount of shear reinforcement is determined with a model that assumes the presence of flexural cracks. In order to keep the design process simple, this model is also prescribed to determine the amount of shear reinforcement for the regions of the structure in which, at the...doctoral thesis 2021
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Xia, Y. (author)Reinforced Concrete (RC) structures are widely used in our society for more than a century. In order to design safe and economical RC structures, various methods have been proposed by engineers and researchers. Remarkably, it still is a challenging task for engineers to design Dregions of RC structures, regions with nonlinear strain...doctoral thesis 2021
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Pari, M. (author)Sequentially Linear Analysis (SLA) is a proven robust alternative to incrementaliterative solution methods in nonlinear finite element analysis (NLFEA) of quasibrittle specimen. The core of the method is in its departure from a load, displacement or arclength driven incremental approach (aided by internal iterations to establish equilibrium)...doctoral thesis 2020
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Roy, A. (author)The analytical expressions for the ultimate load bearing capacity of the RC structures do not provide the generalized notion of ultimate load bearing capacity, which can be obtained through nonlinear finite element analysis (NLFEA). In order to obtain an accurate estimate of failure probability of a RC structure it is necessary to use NLFEA...doctoral thesis 2019
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van de Graaf, A.V. (author)The numerical simulation of brittle failure at structural level with nonlinear finite<br/>element analysis (NLFEA) remains a challenge due to robustness issues. We attribute these problems to the dimensions of realworld structures combined with softening behavior and negative tangent stiffness at local level which may lead to nonconvergence, i...doctoral thesis 2017
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Esposito, R. (author)The assessment of concrete structures affected by alkalisilica reaction (ASR) is a complex problem due to the multiscale nature of this longterm phenomenon. The reaction starts within the concrete constituents with the formation of an expansive alkalisilica gel at reaction products level. Being the expansive gel confined within the concrete...doctoral thesis 2016
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Slobbe, A.T. (author)The crack band approach (in the smeared crack concept) is widely used for the modeling of concrete fracture and is an important analysis technique within advanced engineering. However, the simulations can be impeded by meshinduced directional bias. Cracks prefer to propagate along continuous mesh lines, which causes a dependency of the...doctoral thesis 2015
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Giardina, G. (author)This thesis focuses on the modelling of settlement induced damage to masonry buildings. In densely populated areas, the need for new space is nowadays producing a rapid increment of underground excavations. Due to the construction of new metro lines, tunnelling activity in urban areas is growing. One of the consequences is a greater attention to...doctoral thesis 2013
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