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Probabilistic local buckling strength analysis of compressive plates for normal and bridge high performance steels

 Probabilistic local buckling strength analysis of compressive plates for normal and bridge high performance steels
Autor(en): , ,
Beitrag für IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014, veröffentlicht in , S. 1157-1163
DOI: 10.2749/222137814814067392
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Probabilistic analysis of local buckling strengths (LBS) for compressive plates of normal and bridge high performance steels was conducted. The Monte Carlo simulation method as well as the respons...
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Bibliografische Angaben

Autor(en):


Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014
Veröffentlicht in:
Seite(n): 1157-1163 Anzahl der Seiten (im PDF): 7
Seite(n): 1157-1163
Anzahl der Seiten (im PDF): 7
Jahr: 2014
DOI: 10.2749/222137814814067392
Abstrakt:

Probabilistic analysis of local buckling strengths (LBS) for compressive plates of normal and bridge high performance steels was conducted. The Monte Carlo simulation method as well as the response surface method was employed to obtain the statistical distribution of LBS. As sources of variability of LBS, the initial out-of-plane displacement and the residual stress are considered as the stochastic variables. The response surface methods are employed to approximate LBS by a simple polynomial function of the initial displacement and the residual stress. For each value of the width- thickness ratio parameter R, a response surface of the normalized LBS is identified based on 114 finite element analysis results with different residual stresses and initial displacement. The response surface models are used in the Monte Carlo simulation to evaluate probabilistic distribution of LBS.