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Weijs, Harrie (author)
On the 17th of October 2021, a concrete grandstand element collapsed at the Goffert stadium in the Netherlands after a crowd jumped on it for 8 seconds. An investigation by an engineering consultancy firm concluded that the design loads in the building code are too low, raising questions about the safety of grandstand elements. Currently, no...
master thesis 2023
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Bruggeman, Kevin (author)
Friction damping is common in engineering structures for the purpose of energy dissipation and vibration control. Examples of applications are bolted connections and earthquake isolation systems. However, there is a shortage of works that investigate the effects of different contact materials on the energy dissipation performance and friction...
master thesis 2023
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Appelman, Stef (author)
Human-induced rhythmic loading is an increasingly critical aspect in the design process of civil engineering structures such as sports stadiums and floors accommodating gym and aerobic classes. There are two main reasons for this trend. First, structures are becoming more slender with improvements in materials and construction techniques and...
master thesis 2022
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Aalbers, Jesper (author)
This study presents the structural response of a Submerged Floating Tunnel (SFT) subjected to earthquake loading and other relevant static loading types. The SFT is a competitive solution for crossings of deep seas, canals and fjords, as it is submerged in water and floats at a fixed submersion depth. It is supported by its buoyancy and tethers,...
master thesis 2022
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Kraaijenbrink, Lennart (author)
With the rise of hydrogen as a green alternative for fossil fuels, the demand for storage capacity of hydrogen increases significantly. Due to the high risk of explosions in urban environments it brings along, the blast analysis of buildings within in range of the explosions becomes more relevant.<br/><br/>The goal of this research is to develop...
master thesis 2022
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Kockelkorn, Tycho (author)
The Haringvlietbrug, which was delivered in 1964 and connects the island of Goeree-Overflakkee to the Dutch mainland, approaches the end of its lifetime. Rijkswaterstaat and Witteveen+Bos investigate the potential use of vibration-based structural health monitoring (SHM) to track deterioration. In vibration-based SHM, a change in the structure’s...
master thesis 2022
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Speelman, Ruben (author)
In the underwater environment, it is all but silent. In most parts of the oceans, sunlight is barely available and thus marine animals have evolved to rely on sound for navigation, foraging and communication. Marine animals are not the only sources of underwater sound. Other natural sources such as earthquakes, waves and rain cause ambient noise...
master thesis 2022
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Regout, Dorette (author)
This thesis concerns a hydroelastic analysis of a multi-module very large floating structure (VLFS), analysed in the frequency domain. To this end, the fluid-structure interaction is described by a 2D model, where the VLFS is represented by four floating beams interconnected with rotational springs. The fluid is modelled as an ideal fluid, and...
master thesis 2021
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Funatake, Shotaro (author)
Offshore wind energy is one of the emerging renewable technologies toward a zero-carbon emission society. Historically, offshore wind farms have been developed in the North Sea, but nowadays wind farms are expanded to other regions such as North America and Asia, which are seismic prone.<br/>In the design of Rotor-Nacelle-Assembly (RNA) and...
master thesis 2021
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van Kooten, Rob (author)
Ocean thermal energy conversion (OTEC), is a renewable energy resource that uses the thermal gradient of the ocean to generate electricity. Warm surface water and cold deep sea water, which can be found at depths of approximately 1000 [m], are used to generate electricity in a thermodynamic Rankine cycle. Due to its dimensions, the installation...
master thesis 2020
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van der Esch, I.A. (author)
Soil exhibits hysteretic damping. A commonly used implementation of this type of damping are the Masing rules. They consist of a loading and an unloading branch, dened as a piecewise function and having a nonsmooth character. This paper presents a framework how steady-state solutions of the motion of a soil column, with nonlinear hysteretic...
master thesis 2020
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Tikai, Karan (author)
As the exploration for oil and gas is shifting towards greater water depths, there is a market for subsea rock installation (SRI) at these large water depths as well. Boskalis is a key player in the rock installation market and installing rock material at water depths of approximately 3000 meters is still far from routine work. Therefore,...
master thesis 2020
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Bakker, Laura (author)
The Submerged Floating Tunnel (SFT), also called an Archimedes Bridge, is a state of the art solution for crossing deep and large waters. The concept of a SFT has been around for many decades. However, none has still been build up till today. A general literature study showed a number of ‘blank spots’ which still need to be researched before...
master thesis 2019
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Stins, Jack (author)
An offshore wind turbine is placed on a so called “foundation” to gain height above the sea surface level. One of the used foundations is the jacket structure, which is kept in place by pre-piled supports. The piles are hammered into the seabed first, after which the jacket legs are stabbed into the piles. A template is used to guide the piles...
master thesis 2018
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Paraskeva, Maria (author)
Due to global warming effect humanity is forced to seek cleaner forms of energy. One of these are renewable energies, which are inexhaustible and increasingly competitive. More specifically wind energy is of highly importance due to its benefits. In order to achieve ultimate wind energy exploitation, the design of wind turbines should be...
master thesis 2018
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Ntouras, Fanis (author)
World energy consumption rises every year. Therefore, producing renewable and<br/>sustainable energy is necessary to protect the viability of this planet. The most well-known and promising form of renewable energy is that of wind power. The limited space in terrestrial areas yielded motivation to the growth of offshore wind industry. Offshore...
master thesis 2018
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PAPAIOANNOU, Giannis (author)
Sustainable railway systems with less disturbance are highly desired. Insulated rail joint (IRJ) is one important structural component in a railway track. IRJs serve the railway system with two crucial functions: dividing track into sections for signal control and enable the detection of broken rails. An IRJ generally consists of two fishplates,...
master thesis 2018
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Ivanov, Hristo (author)
Wire rope slings are commonly used lifting tools in all sorts of engineering applications. Usually, slings are either loaded axially or they are bent around a load bearing element such as a shackle or pipe. In the latter case, the combination of bending and axial loading introduces additional stresses within the wire rope that cause a...
master thesis 2018
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Ravasio, Matteo (author)
Creating accurate engineering models for predicting the response of large structures often requires geotechnical modelling of soil behaviour. Soil material damping is an important input parameter for modelling the structural response and energy dissipation, especially for embedded and lightly damped structures, as in particular for offshore wind...
master thesis 2018
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Kagie, Anton (author)
A Cutter Suction Dredger (CSD) is a vessel that is used to cut hard soils with precision. It is moored stiffly through a spud pile while the soil is being cut. This, in combination with wave loads, causes the whole system to be dynamically challenging and nonlinear. Previous attempts to model a CSD in operation have been limited to the frequency...
master thesis 2018
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