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List of products by author: H. Mortier
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Assessment and Preservation of Immersion Joints
Abstract: Within the scope of the 2nd Coen Immersed tunnel project, the refurbishment of the almost 50 years old 1st Coentunnel was comprised. As two immersion joints showed leakage problems, an analysis was made to detect the causes that led to these leakages and the appropriate mitigating measures that should be implied. This analysis resulted in the decision to ‘only’ take care of the evacuation of...
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Mutual influence of foundation elements and anchor pile design of a top down diaphragm wall tunnel
Abstract: In the Delft railway Tunnel project, the interaction between the applied foundation elements played an important role. Diaphragm walls were installed at close proximity to existing piled foundations of a railway viaduct and grout anchor piles were realized in between prior installed diaphragm or sheet pile walls. A large amount of cone penetration tests were performed to investigate the mutual...
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Optimized weight exchange leads to reinforced underwater concrete at extreme
Abstract: To minimize hindrance on the navigation during the construction of the Maas-Delta-Tunnel (Blankenburg connection, Rotterdam, the Netherlands), the length of the immersed tunnel was shortened to merely two elements and by this very deep cut-and-cover sections needed to be constructed. A stringent execution sequence, whereby uplift safety in every stage was guaranteed, led to feasible lengths of...
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