Enhancing Lock Gate Design
Estimation of collision energy through data analysis and non-linear structural models
L.J. Koster (TU Delft - Civil Engineering & Geosciences)
Sebastiaan N. Jonkman – Mentor (TU Delft - Hydraulic Structures and Flood Risk)
M.Z. Voorendt – Graduation committee member (TU Delft - Hydraulic Structures and Flood Risk)
Florentia Kavoura – Graduation committee member (TU Delft - Steel & Composite Structures)
B.L. Goeijenbier – Graduation committee member (Witteveen+Bos)
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Abstract
In the Netherlands, there are hundreds of operational locks for both recreational and inland shipping. Due to the growing economy, inland shipping is expected to increase in the future. The growing economy causes an increased likelihood of ship collisions with infrastructure, currently estimated at approximately 50 cases per year in the Netherlands. It is necessary to determine the collision energy of a vessel to account for collisions, because this clarifies the potential load. In the context of determining the collision energy for ship collision, the guidelines of the Eurocode, PIANC, and AASHTO involve uncertainties and exhibit variability among them. Therefore, the thesis was initiated to provide more accuracy in the estimation of collision energy in the event of ship-lock collisions. The main objective of this thesis was to enhance the structural design process of lock gates regarding ship-lock collisions. This was done by improving the understanding of the effect of potential loads occurring at a ship-lock collision, and using basic mechanics to estimate the energy absorption capacity of the lock gate.