Article (Scientific journals)
Simplified methods to predict the robustness of steel parking-structure joints
Xiang, Siyu; He, Yongjun; Golea, Tudor et al.
2023In Journal of Constructional Steel Research, 213
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Keywords :
Steel parking structure Structural joint Robustness Simplified method Mechanical models; Metals and Alloys; Mechanics of Materials; Building and Construction; Civil and Structural Engineering; Steel paking structure; structural joint; robustness; simplified method; mechanical models
Abstract :
[en] An innovative simplified method for incorporating the behaviour of structural joints in structural analyses of steel parking-structure is proposed in this study. The method is based on the conventional mechanical modelling of joints through special springs that accommodate the arching effect and moment-axial force (M-N) interaction. The characterization of these springs in terms of stiffness and resistance is performed using analytical formulae. The accuracy of the proposed method is validated through comparisons to results from advanced numerical methods conducted on a multi-scale approach. Its implementation in sub-structure models is then demonstrated, with the main advantage of extremely reducing the modelling and computational time. Validated sub-structure models are finally employed to investigate the influence of the joint properties on the response of parking structures under vehicle collision scenarios. The results show that considering the rigid and semi-rigid joints in the research are characterised by the welded and bolted connections in the research, for a structure built in a courtyard, bolted connections (semi-rigid joints) are recommended, while for the same structure built near an urban road, welded connections (rigid joints) should be considered to enhance the overall robustness.
Disciplines :
Civil engineering
Author, co-author :
Xiang, Siyu;  Key Laboratory of Building Safety and Energy Efficiency of the Ministry of Education, College of Civil Engineering, Hunan University, Changsha, China ; Key Laboratory for Damage Diagnosis of Engineering Structures of Hunan Province, College of Civil Engineering, of Hunan University, Hunan University, Changsha, China ; Urban and Environmental Engineering, University of Liege, Liege, Belgium
He, Yongjun;  Key Laboratory of Building Safety and Energy Efficiency of the Ministry of Education, College of Civil Engineering, Hunan University, Changsha, China ; Key Laboratory for Damage Diagnosis of Engineering Structures of Hunan Province, College of Civil Engineering, of Hunan University, Hunan University, Changsha, China
Golea, Tudor ;  Université de Liège - ULiège > Urban and Environmental Engineering
Denoël, Vincent  ;  Université de Liège - ULiège > Département ArGEnCo > Analyse sous actions aléatoires en génie civil
Demonceau, Jean-François  ;  Université de Liège - ULiège > Département ArGEnCo
Language :
English
Title :
Simplified methods to predict the robustness of steel parking-structure joints
Publication date :
27 November 2023
Journal title :
Journal of Constructional Steel Research
ISSN :
0143-974X
eISSN :
1873-5983
Publisher :
Elsevier BV
Volume :
213
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
NSCF - National Natural Science Foundation of China [CN]
CSC - China Scholarship Council [CN]
Available on ORBi :
since 28 November 2023

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