Factors Affecting Response of Cyclic Laterally Loaded Monopile in Sand
Factors Affecting Response of Cyclic Laterally Loaded Monopile in Sand
Developing a new design method for offshore monopiles has been a big challenge for several authors for decades. The challenge is proposing an accurate design methodology to account for factors affecting the cyclic response of cyclic laterally loaded monopiles, which are poorly accounted for in current guidelines such as API and DNV. These factors are sand relative density, cyclic loaded characteristics, pile geometry, pile installation method, relative pile-soil system stiffness, and grain size. Previous authors have made several attempts based on 1g and centrifuge experimental small-scale models of cyclic laterally loaded monopile to test these effects. This paper reviews most of these attempts and highlights the more affecting factors. Based on these experimental investigations, it is notable that the most damaging cyclic lateral load is an asymmetric two-way cyclic load. In addition, several empirical models developed from these experimental investigations, as well as field investigations, are concluded in this paper.
Mahmood Khalaf; Rami El Sherbiny; Ahmed Abdelkhaleq; Shehab S. Agaiby
18th African Regional Conference on Soil Mechanics and Geotechnical Engineering (ARCSMGE2024)
Foundation Engineering
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