Large scale pore pressure data under wave-induced and structural loading

Abstract: The design of resilient offshore structures requires knowledge of the prevailing seabed dynamics under wave-induced and structural loading. In particular, seabed liquefaction as one of the most severe forms of seabed dynamics must be understood to prevent structural failure. Progressing towards such knowledge and insights, this dataset comprises the data of a unique large scale experimental test campaign of the wave-structure-soil interaction and seabed liquefaction in the large wave-current flume, GWK+, at the Coastal Research Centre, Hannover, Germany. For the study, a 1 m x 6 m x 5m (depth x length x width) soil pit has been set up in the flume, filled with fine sand with of D50=0.066 mm, and exposed to waves of varying wave heights, as well as structural loading from a floating offshore wind turbine. This particular dataset includes measurements of the surface elevation measured with four wire-gauge in-house wave-gauges, 16 pore pressure transducers, mooring line loads in four mooring cables, six degree-of-freedom (DoF) displacement data, wind load data, as well as echo-sounder measurements of the anchor displacement.