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Influence of bar diameter on low-cycle fatigue degradation of reinforcing bars

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Influence of bar diameter on low-cycle fatigue degradation of reinforcing bars. / Kashani, Mehdi; Cai, Shunyao; Davis, Sean; Vardanega, Paul.

In: Journal of Materials in Civil Engineering, Vol. 31, No. 4, 06019002, 04.2019.

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Kashani, Mehdi ; Cai, Shunyao ; Davis, Sean ; Vardanega, Paul. / Influence of bar diameter on low-cycle fatigue degradation of reinforcing bars. In: Journal of Materials in Civil Engineering. 2019 ; Vol. 31, No. 4.

Bibtex

@article{6b422c48eb5e4b1f9535aad8097ebf6e,
title = "Influence of bar diameter on low-cycle fatigue degradation of reinforcing bars",
abstract = "This paper reports the results of 120 low-cycle fatigue tests on steel reinforcing bars with varying slenderness ratios at varying strain amplitudes. The failure modes of the fractured bars were investigated through analysis of the fracture mechanisms of bars. The results of experimental testing were used to update empirical models of low-cycle fatigue life for such bars. The newly improved empirical models were then incorporated into a recently developed constitutive material model that accounts for bar buckling and fatigue. The experimental results show that the size effect is significant for short steel reinforcing bars where there is no buckling. The results also show that as the slenderness ratio of the steel reinforcing bars increases, the influence of the bar diameter on low-cycle fatigue reduces.",
keywords = "Inelastic buckling, Low-cycle fatigue, Modeling, Nonlinear analysis, Size effect, Stress-strain behavior",
author = "Mehdi Kashani and Shunyao Cai and Sean Davis and Paul Vardanega",
year = "2019",
month = "4",
doi = "10.1061/(ASCE)MT.1943-5533.0002637",
language = "English",
volume = "31",
journal = "Journal of Materials in Civil Engineering",
issn = "0899-1561",
publisher = "American Society of Civil Engineers (ASCE)",
number = "4",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - Influence of bar diameter on low-cycle fatigue degradation of reinforcing bars

AU - Kashani, Mehdi

AU - Cai, Shunyao

AU - Davis, Sean

AU - Vardanega, Paul

PY - 2019/4

Y1 - 2019/4

N2 - This paper reports the results of 120 low-cycle fatigue tests on steel reinforcing bars with varying slenderness ratios at varying strain amplitudes. The failure modes of the fractured bars were investigated through analysis of the fracture mechanisms of bars. The results of experimental testing were used to update empirical models of low-cycle fatigue life for such bars. The newly improved empirical models were then incorporated into a recently developed constitutive material model that accounts for bar buckling and fatigue. The experimental results show that the size effect is significant for short steel reinforcing bars where there is no buckling. The results also show that as the slenderness ratio of the steel reinforcing bars increases, the influence of the bar diameter on low-cycle fatigue reduces.

AB - This paper reports the results of 120 low-cycle fatigue tests on steel reinforcing bars with varying slenderness ratios at varying strain amplitudes. The failure modes of the fractured bars were investigated through analysis of the fracture mechanisms of bars. The results of experimental testing were used to update empirical models of low-cycle fatigue life for such bars. The newly improved empirical models were then incorporated into a recently developed constitutive material model that accounts for bar buckling and fatigue. The experimental results show that the size effect is significant for short steel reinforcing bars where there is no buckling. The results also show that as the slenderness ratio of the steel reinforcing bars increases, the influence of the bar diameter on low-cycle fatigue reduces.

KW - Inelastic buckling

KW - Low-cycle fatigue

KW - Modeling

KW - Nonlinear analysis

KW - Size effect

KW - Stress-strain behavior

UR - http://www.scopus.com/inward/record.url?scp=85060978280&partnerID=8YFLogxK

U2 - 10.1061/(ASCE)MT.1943-5533.0002637

DO - 10.1061/(ASCE)MT.1943-5533.0002637

M3 - Article

AN - SCOPUS:85060978280

VL - 31

JO - Journal of Materials in Civil Engineering

JF - Journal of Materials in Civil Engineering

SN - 0899-1561

IS - 4

M1 - 06019002

ER -