Optimised design of foundations for wind towers

Lacoma Aller, Luis María; Rodríguez, J.; Martínez Cutillas, Francisco Javier y Martí Rodríguez, Joaquín (2016). Optimised design of foundations for wind towers. En: "Science in the Age of Experience 2016", 23/05/2016-27/05/2016, Boston, Estados Unidos. pp. 1-12.


Título: Optimised design of foundations for wind towers
  • Lacoma Aller, Luis María
  • Rodríguez, J.
  • Martínez Cutillas, Francisco Javier
  • Martí Rodríguez, Joaquín
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: Science in the Age of Experience 2016
Fechas del Evento: 23/05/2016-27/05/2016
Lugar del Evento: Boston, Estados Unidos
Título del Libro: Proceedings of Science in the Age of Experience 2016
Fecha: 2016
Palabras Clave Informales: Concrete; Foundations; Rebars; Wind Turbines
Escuela: E.T.S.I. Caminos, Canales y Puertos (UPM)
Departamento: Mecánica de Medios Continuos y Teoría de Estructuras
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Environmental, political, and other considerations are leading to the installation of growing numbers of wind turbines for electricity generation. The present paper concentrates on onshore installations, in which the turbine is placed at the end of a tower founded on the ground. A serious problem with the foundation or its connection with the tower entails a global failure. A worrying percentage of the towers built before 2010 is ill designed, often with obvious manifestations of the design problem. On the other hand the new designs attempt to optimise material quantities and costs while providing an adequate behaviour under the demands imposed. Principia has gathered considerable experience in both the identification and remediation of the problems experienced by older foundations and the optimisation of new designs. The problem is particularly suitable for numerical simulations with Abaqus and the paper provides the necessary concepts and methodological approach for a reliable and satisfactory solution. More specifically, the concrete geometry is meshed with solid elements. Surface elements including rebar layers are embedded. Other parts of the structure as the steel cylinder, welded studs, anchorage bars, etc. are also included. The concrete behaviour is described with the Abaqus concrete damaged plasticity model. Abaqus/Explicit is used because of the strong non-linearities, mainly caused by concrete cracking and crushing. The methodology allows assessing the suitability of the design for ultimate, serviceability and fatigue limit states.

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ID de Registro: 46402
Identificador DC: http://oa.upm.es/46402/
Identificador OAI: oai:oa.upm.es:46402
Depositado por: Memoria Investigacion
Depositado el: 06 Jun 2017 12:33
Ultima Modificación: 06 Jun 2017 12:33
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