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Simplified numerical analysis of soil–structure systems subjected to monotonically increasing lateral load
ID Brandis, Adriana (Author), ID Kraus, Ivan (Author), ID Petrovčič, Simon (Author)

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Abstract
Numerical modelling of the soil in seismic design of structures is always a daunting task. The goal of this article is to develop a simplistic numerical modelling technique for shallow founded buildings on compliant soils. An existing large-scale experimental research (TRISEE) was used for calibration. The physical model comprised of a rigid square foundation placed on a sand bed connected to a rigid column and was subjected to a dynamic sine loading. The results from the TRISEE experiment are well known and commonly used by researchers in this field, yet none of the numerical studies were conducted considering the loose sand case. Nonlinear link elements and linear springs were used for representing the soil. It was determined that the soil behavior is highly influenced by the stiffness, selected hysteresis model, and the p-y curve. Considering the software limitations, numerical models represent the experimental behavior in a good manner. Based on the results obtained from the experiment, a case study on a steel frame building with SSI effects included was conducted. Considering the results from this research, the authors recommend implementation of SSI effects into the building’s design phase since they exhibit unfavorable impacts on the seismic behavior and can lead to underdesigned structural elements. However, it has to be emphasized that certain limitations exist due to simplified modelling approaches that were used for this research.

Language:English
Keywords:soil–structure interaction, experimental results, numerical models, finite element method, steel frame, SAP2000
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FA - Faculty of Architecture
Publication status:Published
Publication version:Version of Record
Year:2021
Number of pages:18 str.
Numbering:Vol. 11, iss. 9, art. 4219
PID:20.500.12556/RUL-135517 This link opens in a new window
UDC:624.07
ISSN on article:2076-3417
DOI:10.3390/app11094219 This link opens in a new window
COBISS.SI-ID:62493955 This link opens in a new window
Publication date in RUL:17.03.2022
Views:737
Downloads:141
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Record is a part of a journal

Title:Applied sciences
Shortened title:Appl. sci.
Publisher:MDPI
ISSN:2076-3417
COBISS.SI-ID:522979353 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:06.05.2021

Secondary language

Language:Slovenian
Keywords:interakcija med konstrukcijo in zemljino, rezultati eksperimentalnih analiz, numerično modeliranje, metoda končnih elementov, jekleni okviri

Projects

Funder:Other - Other funder or multiple funders
Funding programme:Josip Juraj Strossmayer University of Osijek, Faculty of Civil Engineering and Architecture
Project number:15-04
Name:Pendularum

Funder:ARRS - Slovenian Research Agency
Project number:P5-0068
Name:Trajnostno oblikovanje kvalitetnega bivalnega okolja

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