The behaviour of the stiff monopile foundation subjected to the lateral loads

The article focuses on the analysis of a large-diameter monopile foundation for offshore wind turbine based on the numerical model results. The case describes the behaviour of a monopile in sand subjected to a lateral loading conditions. The effects of the pile diameter, the length and the load eccentricity on the results are investigated. Additionally, the cyclic nature of load is also taken into consideration. The cyclic loading leads to an accumulated rotation, thus the SLS design must ensure that the maximum permanent rotation does not exceed the limit value for a given wind turbine. The approach analyzed by LeBlanc et al. [2010] and Lada et al. [2014] is discussed in the way of its use as a preliminary design.