Searched for: subject%3A%22hardening%22
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Papoulidou, Sofia (author)
The current structural demands include complex designs, efficient utilization of material resources, and maintenance of existing structures and infrastructure. In all these cases, the connections between structural components are the main focus of design since they are widely considered the weakest link in a structural system. The demand for...
master thesis 2024
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Krielaart, Thomas (author)
Crane hardstands serve as crucial platforms for supporting heavy lifting equipment and ensuring operational efficiency. However, crane hardstands are not infinitely stiff and will deform upon loading. Uneven loading during wind turbine installation will result in differential deformation of the crane hardstand, causing the crane to tilt. A small...
master thesis 2023
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Westerbeek, Elise (author)
Strain hardening cementitious composites (SHCC) can be used to reduce the amount of reinforcement needed to control crack widths. SHCC has a strain hardening behaviour with dense micro-cracking, which makes it more ductile compared to conventional concrete. Conventional concrete can be used in the non-critical locations. An interface is formed...
master thesis 2023
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Eijs, Isa (author)
Combining the high strength of Ultra High Performance Concrete (UHPC) and the strain capacity of Strain Hardening Cementitious Composites (SHCC), Strain Hardening Ultra High Performance Fibre Reinforced Concrete (SH­UHPFRC) could be a promising material for the application of strengthening RC elements. This research describes the development of...
master thesis 2022
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Paduli, Francisco (author)
The Automated Parameter Determination project aims to provide advanced geotechnical models parameters from in-situ tests in a transparent and flexible process. The framework was initially developed for coarse-grained soils, and it was needed to be expanded to all types of common soils. This report presents the expansion of the APD database to...
master thesis 2021
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Huisman, Jorik (author)
On the railway line between Zutphen and Hengelo in the Netherlands, rolling contact fatigue (RCF) defects are found at the surface of the rail. RCF is a known hazard to the safe operation of railways, the cracks can cause transverse rail fracture, which may result in derailment. Contrary to convention, the traffic on this particular railway is...
master thesis 2021
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Bons, Mark (author)
The urge for more sustainable and cost-efficient repair methods for damaged parts is growing every day. On the other hand, laser metal deposition (LMD) is gaining momentum. This flexible technique, where material is added in a layer-by-layer fashion with a minimal heat input offers solutions for a wide range of production and repair purposes....
master thesis 2020
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van Overmeir, Anne (author)
3D concrete printing is an additive manufacturing method that uses a printing robot to build 3D concrete elements. In the last decade, several 3D concrete printing techniques have been developed and extensive research has been conducted on suitable concrete mixes, the printing process and the material and mechanical properties of the finished...
master thesis 2020
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Harrass, Othman (author)
Strain Hardening Cementitious Composite (SHCC) is a new type of concrete that is able to control the crack-width in concrete structures. The application of this material in the tension zone of hybrid concrete structures is thus of interest in practice. The interfacial behavior for these hybrid structures is something that is of importance for...
master thesis 2020
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Kuipers, Kaj (author)
Starting from the late eighties induced seismic activity is present in the Northern part of the Netherlands. Cause of these earthquakes is the extraction of natural gas. In this region, most of the building stock comprises out of unreinforced masonry (URM) buildings. Multiple experimental campaigns are performed since 2014 to investigate the...
master thesis 2020
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Lazaridis, Lazaros (author)
As software security expert Bruce Schneier argues, the pervasive vulnerability of embedded systems today is structurally similar to the security crisis of PCs in the mid-1990s—only much worse. Embedded devices are ideal malware targets for several reasons. Firstly, Internet-connected devices are inherently more exposed to remote exploitation....
master thesis 2020
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Iereidis, Chris (author)
In this study, the assessment of the KIJK dike follows the new guidelines given by POV-M 2018 using PLAXIS. The macrostability assessment and design of the dike is examined for two cases. In the first case the dike is assessed based on the in-situ conditions (Green dike) whereas in the second case a cantilever sheet pile wall is used in the...
master thesis 2019
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Pipintakos, George (author)
The increasing traffic load has led to the use of polymer modifiers in bituminous mixes in order to improve the performance and the durability of the pavement structures. Epoxy is a thermoset material which ensures enhanced fatigue performance and improved mechanical characteristics when used to modify bituminous materials. However, unlike...
master thesis 2018
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Jayananda, Nikhil (author)
Strain hardening cementitious composite is a new generation material with increased ductility and improved cracking behaviour as compared to traditionally used Normal Strength Concrete (NSC). An important charactersitic of SHCC is the ability of the fibers (2% PVA) in the composite mixture to bridge the cracks and there by preventing...
student report 2017
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Roghair, Charlotte (author)
In the year 2006, Delft University of Technology started researching ‘Strain hardening Self-healing concrete’ (SSC). The reason for this research was the desire to increase the durability of concrete. This depends mostly on the reinforcement.<br/> To ensure a certain lifespan of concrete structures, a minimum cover depth has to be applied....
master thesis 2017
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Bougioukos, A. (author)
One of the most commonly used seismic analysis methods, over the last few decades is the equivalent lateral force method. This procedure, which was initially intended for elastic design of structures, has been extended to inelastic design, with the incorporation of the behaviour factor q or with the integration of response spectrum procedures...
master thesis 2017
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Van Schie, J.J.P. (author)
The induced earthquakes in the north of the Netherlands cause problems for the shallow foundations. At this moment there is no generally accepted way to deal with these earthquakes. The NPR advises a combination of two methods to calculate the seismic bearing capacity of shallow foundations. In order to find out if this procedure is legitimately...
master thesis 2016
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Shalom, I. (author)
Advanced Cementitious Materials (ACM’s) are products with materials found in conventional concrete (cement, silica fume, sand, superplasticizer, and water) plus distinctive materials like fibers (steel, carbon) and quartz. The superiority of ACM’s in terms of strength, ductility, and durability marks it as high potential replacement of...
master thesis 2016
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Mutgi, A.V. (author)
Hot formed steels are witnessing an increasing use in safety critical and structural parts for automobiles due to their high strength, light weight and absence of springback, due to which understanding the corrosion behaviour of coated products for hot forming is crucial to increase their stronghold in Body-In-White (BIW) applications for...
master thesis 2015
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Sayed Moqadas, M. (author)
Almost 3500 years ago, Egyptians used straw to reinforce mud blocks for construction purposes. Later on, concrete and metals were introduced and the interest for NFC was reduced. In 1900 asbestos fibres were introduced to produce light weight and durable elements; however in 1970 it was discovered that asbestos is unhealthy. Therefore, in 20th...
master thesis 2014
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