Recommendations on finite element modelling of non-seismic excitation in soil-structure interaction problems

W. Schepers*, R.B.J. Brinkgreve, S. Appel

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

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Abstract

Nowadays geotechnical engineering firms have powerful software tools to extent their consulting business also into dynamic soil-structure interaction, which before has been restricted to a rather small community of specialized experts in this field, and they certainly do. This is particularly true with respect to non-seismic sources, that is all kinds of human induced vibra-tions. Hence, there is a demand from clients as well as from contractors to have guidance on the requirements as well as the limits of numerical modelling of soil-structure interaction. From the literature as well as from relevant standards, recommendations for the numerical modelling of soil-structure interaction problems involving seismic actions are well known, e. g. ASCE/SEI 4-16. There are, however, some particularities when dealing with human-induced vibrations, which are absent in seismic analyses. For human-induced excitations very little specific guidance has been published in the past. A machine foundation on a homogeneous half space excited by har-monic loads with excitation frequency between 4 Hz and 64 Hz has been analysed by means of several commercially available software packages. Parametric studies have been performed to verify if recommendations for seismic soil-structure analyses are valid for non-seismic analyses as well. This paper provides details on the benchmark example and the most important conclu-sions from the undertaken parametric studies.
Original languageEnglish
Number of pages12
Publication statusPublished - 2023
Event12th International Conference on Structural Dynamics 2023 - Delft, Netherlands
Duration: 2 Jul 20235 Jul 2023

Conference

Conference12th International Conference on Structural Dynamics 2023
Abbreviated titleEURODYN 2023
Country/TerritoryNetherlands
CityDelft
Period2/07/235/07/23

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