Journal ArticleDOI
Behavior of monopile foundations under cyclic lateral load
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In this article, the development and application of design charts for monopile foundations of offshore wind turbines in sandy soil under long-term cyclic lateral load was described, in which a normalized ultimate lateral resistance of a pile is used.About:
This article is published in Computers and Geotechnics.The article was published on 2009-06-01. It has received 353 citations till now. The article focuses on the topics: Pile.read more
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Dynamic soil–structure interaction of monopile supported wind turbines in cohesive soil
TL;DR: In this paper, a series of laboratory tests were conducted in which a scaled model wind turbine supported on a monopile in kaolin clay was subjected to between 32,000 and 172,000 cycles of horizontal loading and the changes in natural frequency and damping of the model were monitored.
Journal ArticleDOI
Design of monopiles for offshore wind turbines in 10 steps
TL;DR: In this paper, a simplified way of carrying out the design of monopiles based on necessary data (i.e. the least amount of data), namely site characteristics (wind speed at reference height, wind turbulence intensity, water depth, wave height and wave period), turbine characteristics (rated power, rated wind speed, rotor diameter, cut-in and cut-out speed, mass of the rotor-nacelle-assembly) and ground profile (soil stiffness variation with depth and soil stiffness at one diameter depth).
Journal ArticleDOI
Foundations of offshore wind turbines: A review
Wu Xiaoni,Yu Hu,Ye Li,Jian Yang,Lei Duan,Tongguang Wang,Thomas A. A. Adcock,Zhiyu Jiang,Zhen Gao,Zhiliang Lin,Alistair G.L. Borthwick,Shijun Liao +11 more
TL;DR: In this article, the present state of knowledge concerning geotechnical and structural issues affecting foundation types under consideration for the support structures of offshore wind turbines, and recommendations for future research and development are provided.
Journal ArticleDOI
A review of foundations of offshore wind energy convertors: Current status and future perspectives
TL;DR: In this article, a review of foundations for offshore wind energy convertors considering the significant growth of offshore wind power since the early 2000s is presented, where the characteristics of various foundation types (i.e., gravity, pile, suction caisson, and float type) and current status of field application are discussed.
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Dynamic analysis of offshore wind turbine in clay considering soil–monopile–tower interaction
Swagata Bisoi,Sumanta Haldar +1 more
TL;DR: In this article, a comprehensive study on the dynamic behavior of offshore wind turbine (OWT) structure supported on monopile foundation in clay is performed using a beam on nonlinear Winkler foundation model.
References
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Journal ArticleDOI
Three-dimensional nonlinear study of piles
TL;DR: In this article, the effect of nonlinear soil behavior on the axial and lateral response of piles to monotonic and cyclic loading with a view towards developing simplified, yet realistic models for representing pile-soil-pile interaction effects is examined by means of a three-dimensional finite element elastoplastic model that includes interface elements for representing slippage and pile•soil separation.
Permanent Deformation Behaviour of Unbound Granular Materials in Pavement Constructions
TL;DR: In this paper, permanent deformation behavior of unbound Granular Materials in Pavement Constructions is investigated. And the results show that unbound granular materials in pavement constructions are relatively stable.
Journal Article
Permanent strains of piles in sand due to cyclic lateral loads. technical note
TL;DR: In this paper, the authors applied the strain superposition concept, proposed for ballast study, to evaluate strain accumulation for laterally loaded piles in sand and showed that the soil properties, types of pile installation, cyclic loading types, pile embedded length, and pile/soil relative stiffness ratio are important factors that influence the pile behavior under mixed lateral loads.
Journal ArticleDOI
Permanent Strains of Piles in Sand due to Cyclic Lateral Loads
San-Shyan Lin,Jen-cheng Liao +1 more
TL;DR: In this paper, the strain superposition concept was applied to evaluate strain accumulation for laterally loaded piles in sand, and it was shown that the soil properties, types of pile installation, cyclic loading types, pile embedded length, and pile/soil relative stiffness ratio are important factors that influence the pile behavior under mixed lateral loads.
Finite Element Modelling of Horizontally Loaded Monopile Foundations for Offshore Wind Energy Converters in Germany
TL;DR: In this paper, the authors proposed an off-shore wind energy solution to solve the problems in the development of wind energy by installing wind energy farms in offshore regions, e.g. in the North Sea and in the Baltic Sea.