The reduced-degree-of-freedom model for seismic analysis of predominantly plan-symmetric reinforced concrete wall–frame building
ID Jamšek, Aleš (Author), ID Dolšek, Matjaž (Author)

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A reduced-degree-of-freedom (RDOF) model for seismic analysis of predominantly plan-symmetric reinforced concrete (RC) wall–frame buildings is introduced. The RDOF model of the wall–frame building consists of elastic beam–column elements with concentrated plasticity used for simulating cantilever walls and predominantly plan-symmetric RC frame buildings that are represented by the improved fish-bone (IFB) model. In this paper, the capability of the RDOF model is demonstrated for two frame buildings and two wall–frame buildings. The RDOF models were defined directly from the building information model. This is an advantage of RDOF models with respect to single-degree-of-freedom (SDOF) models, while the computational robustness of the RDOF models also makes them attractive for the seismic analysis of building stock. The imposed cyclic displacement analyses conducted for the investigated buildings proved that the condensation of the degrees of freedom for RDOF models was appropriate. Consequently, only minor differences were observed for maximum storey drift IDA curves, maximum storey acceleration IDA curves, and seismic fragility functions for different limit states. However, development is needed to make RDOF models appropriate for preliminary seismic performance assessment of plan-irregular buildings.

Keywords:civil engineering, engineering structures, earthquake engineering, IFB model, reduced-degree-of-freedom (RDOF) model, reinforced concrete building, seismic analysis, nonlinear dynamic analysis, seismic fragility analysis
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Publication status:Published
Publication version:Version of Record
Number of pages:20 str.
Numbering:Vol. 11, iss. 8, art. 372
PID:20.500.12556/RUL-131841 This link opens in a new window
ISSN on article:2075-5309
DOI:10.3390/buildings11080372 This link opens in a new window
COBISS.SI-ID:74178051 This link opens in a new window
Publication date in RUL:04.10.2021
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Record is a part of a journal

Shortened title:Buildings
Publisher:Molecular Diversity Preservation International
COBISS.SI-ID:1024478292 This link opens in a new window


License:CC BY 4.0, Creative Commons Attribution 4.0 International
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:21.08.2021

Secondary language

Keywords:gradbeništvo, gradbene konstrukcije, potresno inženirstvo


Funder:ARRS - Slovenian Research Agency
Project number:P2-0185
Name:Potresno inženirstvo

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