Abstract
Very often (old) existing harbour structures have to be renovated and stabilised because of several reasons, such as: - deepening works for modern shipping - capacity increase of the quay - repairs instead of rebuilding - harbour area restrictions This paper will highlight the international experience (design and construct) in quay wall restoration and stabilisation works, using: 1. Marine drilling and foundation techniques (Hydro Soil Services): - ground anchors - VHP grouting - drain structures 2. Innovative bottom protection methods (Bitumar): - prefabricated and immersed fibrous open stone asphalt mattresses and liquid asphalt under water - other, flexible and durable bottom revetments against bottom erosion (scour) near quay wall structures For all those techniques specially designed materials and equipment are developed. A few case studies will illustrate the described methods of quay wall restoration and stabilisation.
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