Model of human rhythmic activities on structures

Fernández Martínez, Javier; Cacho-Pérez, Mariano; Hermanns, Lutz Karl Heinz; Fraile de Lerma, Alberto y Alarcón Álvarez, Enrique (2014). Model of human rhythmic activities on structures. En: "6th World Conference on Structural Control and Monitoring (6WCSCM)", 15/07/2014-17/07/2014, Barcelona.

Descripción

Título: Model of human rhythmic activities on structures
Autor/es:
  • Fernández Martínez, Javier
  • Cacho-Pérez, Mariano
  • Hermanns, Lutz Karl Heinz
  • Fraile de Lerma, Alberto
  • Alarcón Álvarez, Enrique
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: 6th World Conference on Structural Control and Monitoring (6WCSCM)
Fechas del Evento: 15/07/2014-17/07/2014
Lugar del Evento: Barcelona
Título del Libro: Proceedings of the 6th World Conference on Structural Control and Monitoring (6WCSCM)
Fecha: 2014
Materias:
Escuela: E.T.S.I. Industriales (UPM)
Departamento: Mecánica Estructural y Construcciones Industriales [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Crowd induced dynamic loading in large structures, such as gymnasiums or stadiums, is usually modelled as a series of harmonic loads which are defined in terms of their Fourier coefficients. Different values of these Fourier coefficients that were obtained from full scale measurements can be found in codes. Recently, an alternative has been proposed, based on random generation of load time histories that take into account phase lags among individuals inside the crowd. Generally the testing is performed on platforms or structures that can be considered rigid because their natural frequencies are higher than the excitation frequencies associated with crowd loading. In this paper we shall present the testing done on a structure designed to be a gymnasium, which has natural frequencies within that range. In this test the gym slab was instrumented with acceleration sensors and different people jumped on a force plate installed on the floor. Test results have been compared with predictions based on the two abovementioned load modelling alternatives and a new methodology for modelling jumping loads has been proposed in order to reduce the difference between experimental and numerical results at high frequency range.

Más información

ID de Registro: 32862
Identificador DC: http://oa.upm.es/32862/
Identificador OAI: oai:oa.upm.es:32862
URL Oficial: http://www.ma3.upc.edu/6wcscm/index.html
Depositado por: Biblioteca ETSI Industriales
Depositado el: 24 Nov 2014 12:46
Ultima Modificación: 16 Ene 2015 09:53
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