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Title:Sustainable design of circular reinforced concrete column sections via multi-objective optimization
Authors:ID Jelušič, Primož (Author)
ID Žula, Tomaž (Author)
Files:.pdf sustainability-15-11689.pdf (4,56 MB)
MD5: 7467C5E588C0D79EAE321F4E6C97BA1F
URL https://www.mdpi.com/2071-1050/15/15/11689
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:An optimization model for reinforced concrete circular columns based on the Eurocodes is presented. With the developed optimization model, which takes into account the exact distribution of the steel reinforcement, which is not the case when designing with conventional column design charts, an optimal design for the reinforced concrete cross section is determined. The optimization model uses discrete variables, which makes the results more suitable for actual construction practice and fully exploits the structural capacity of the structure. A parametric study of the applied axial load and bending moment was performed for material cost and CO2 emissions. The results based on a single objective function show that the optimal design of the reinforced concrete column cross section obtained for the material cost objective function contains a larger cross-sectional area of concrete and a smaller area of steel compared with the optimization results when CO2 emissions are determined as the objective function. However, the optimal solution in the case where the material cost was assigned as the objective function has much more reserve in axial load capacity than in the optimal design where CO2 was chosen as the objective function. In addition, the multi-objective optimization was performed to find a set of solutions that provide the best trade-offs between the material cost and CO2 emission objectives.
Keywords:reinforced concrete columns, circular cross section, costs, CO2 emissions, multi-objective optimization, genetic algorithm
Publication status:Published
Publication version:Version of Record
Submitted for review:05.06.2023
Article acceptance date:27.07.2023
Publication date:28.07.2023
Year of publishing:2023
Number of pages:19 str.
Numbering:Vol. 15, iss. 15, [article no.] 11689
PID:20.500.12556/DKUM-88314 New window
ISSN on article:2071-1050
COBISS.SI-ID:161161475 New window
DOI:10.3390/su151511689 New window
Publication date in DKUM:15.04.2024
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Record is a part of a journal

Shortened title:Sustainability
COBISS.SI-ID:5324897 New window

Document is financed by a project

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0268-2020

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P2-0129-2022
Name:Razvoj, modeliranje in optimiranje objektov in procesov v gradbeništvu in prometu

Funder:EC - European Commission
Funding programme:European Commission
Project number:101006512
Name:GEOLAB: Science for enhancing Europe's Critical Infrastructure


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.

Secondary language

Keywords:armiranobetonski stebri, krožni prerez, stroški, CO2 emisije, večkriterijska optimizacija, genetski algoritem


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