Damage propagation in corroded reinforcing bars with the effect of inelastic buckling under low-cycle fatigue loading

Mehdi Kashani; Adam Crewe; Nicholas Alexander

doi:10.1201/9781315375175-293

Damage propagation in corroded reinforcing bars with the effect of inelastic buckling under low-cycle fatigue loading

Mehdi Kashani, Adam Crewe, Nicholas Alexander

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

2 Citations (Scopus)

324 Downloads (Pure)

Abstract

The effect of inelastic buckling on low-cycle high amplitude fatigue life of reinforcing bars is investigated experimentally. The results show that the inelastic buckling, bar diameter and surface condition are the main parameters affecting the low-cycle fatigue life of reinforcing bars. Through nonlinear regression analyses of the experimental data a new set of empirical equations for fatigue life prediction of reinforcing bars as a function of the buckling length and yield strength are developed. Finally, these empirical models have been implemented into a new phenomenological hysteretic material model for reinforcing bars. Furthermore, the combined effect of inelastic buckling and chloride induced corrosion damage on low-cycle high amplitude fatigue life of embedded reinforcing bars is investigated experimentally. The low-cycle fatigue tests on corroded reinforcing bars varied in percentage mass loss, strain amplitudes and buckling lengths are conducted. The failure modes and crack propagation are investigated by fractography of fracture surfaces using scanning electron microscope.

Original language	English
Title of host publication	Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure
Subtitle of host publication	Proceedings of the Fifth International Symposium on Life-Cycle Civil Engineering (IALCCE 2016), 16-19 October 2016, Delft, The Netherlands
Publisher	CRC Press
Pages	1996-2002
Number of pages	7
ISBN (Print)	9781138028470
DOIs	https://doi.org/10.1201/9781315375175-293
Publication status	Published - 4 Oct 2016
Event	5th International Symposium on Life-Cycle Engineering, IALCCE 2016 - Delft, Netherlands Duration: 16 Oct 2016 → 20 Oct 2016

Publication series

Name	Life-Cycle of Civil Engineering Systems

Conference

Conference	5th International Symposium on Life-Cycle Engineering, IALCCE 2016
Country/Territory	Netherlands
City	Delft
Period	16/10/16 → 20/10/16

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10.1201/9781315375175-293

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This is the accepted author manuscript (AAM). The final published version (version of record) is available online via CRC Press at https://www.crcpress.com/Life-Cycle-of-Engineering-Systems-Emphasis-on-Sustainable-Civil-Infrastructure/Bakker-Frangopol-Breugel/p/book/9781138028470. Please refer to any applicable terms of use of the publisher.
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Kashani, M., Crewe, A., & Alexander, N. (2016). Damage propagation in corroded reinforcing bars with the effect of inelastic buckling under low-cycle fatigue loading. In Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure: Proceedings of the Fifth International Symposium on Life-Cycle Civil Engineering (IALCCE 2016), 16-19 October 2016, Delft, The Netherlands (pp. 1996-2002). (Life-Cycle of Civil Engineering Systems). CRC Press. https://doi.org/10.1201/9781315375175-293

Kashani, Mehdi ; Crewe, Adam ; Alexander, Nicholas. / Damage propagation in corroded reinforcing bars with the effect of inelastic buckling under low-cycle fatigue loading. Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure: Proceedings of the Fifth International Symposium on Life-Cycle Civil Engineering (IALCCE 2016), 16-19 October 2016, Delft, The Netherlands. CRC Press, 2016. pp. 1996-2002 (Life-Cycle of Civil Engineering Systems).

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abstract = "The effect of inelastic buckling on low-cycle high amplitude fatigue life of reinforcing bars is investigated experimentally. The results show that the inelastic buckling, bar diameter and surface condition are the main parameters affecting the low-cycle fatigue life of reinforcing bars. Through nonlinear regression analyses of the experimental data a new set of empirical equations for fatigue life prediction of reinforcing bars as a function of the buckling length and yield strength are developed. Finally, these empirical models have been implemented into a new phenomenological hysteretic material model for reinforcing bars. Furthermore, the combined effect of inelastic buckling and chloride induced corrosion damage on low-cycle high amplitude fatigue life of embedded reinforcing bars is investigated experimentally. The low-cycle fatigue tests on corroded reinforcing bars varied in percentage mass loss, strain amplitudes and buckling lengths are conducted. The failure modes and crack propagation are investigated by fractography of fracture surfaces using scanning electron microscope.",

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Kashani, M, Crewe, A & Alexander, N 2016, Damage propagation in corroded reinforcing bars with the effect of inelastic buckling under low-cycle fatigue loading. in Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure: Proceedings of the Fifth International Symposium on Life-Cycle Civil Engineering (IALCCE 2016), 16-19 October 2016, Delft, The Netherlands. Life-Cycle of Civil Engineering Systems, CRC Press, pp. 1996-2002, 5th International Symposium on Life-Cycle Engineering, IALCCE 2016, Delft, Netherlands, 16/10/16. https://doi.org/10.1201/9781315375175-293

Damage propagation in corroded reinforcing bars with the effect of inelastic buckling under low-cycle fatigue loading. / Kashani, Mehdi; Crewe, Adam; Alexander, Nicholas.
Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure: Proceedings of the Fifth International Symposium on Life-Cycle Civil Engineering (IALCCE 2016), 16-19 October 2016, Delft, The Netherlands. CRC Press, 2016. p. 1996-2002 (Life-Cycle of Civil Engineering Systems).

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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AU - Crewe, Adam

AU - Alexander, Nicholas

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N2 - The effect of inelastic buckling on low-cycle high amplitude fatigue life of reinforcing bars is investigated experimentally. The results show that the inelastic buckling, bar diameter and surface condition are the main parameters affecting the low-cycle fatigue life of reinforcing bars. Through nonlinear regression analyses of the experimental data a new set of empirical equations for fatigue life prediction of reinforcing bars as a function of the buckling length and yield strength are developed. Finally, these empirical models have been implemented into a new phenomenological hysteretic material model for reinforcing bars. Furthermore, the combined effect of inelastic buckling and chloride induced corrosion damage on low-cycle high amplitude fatigue life of embedded reinforcing bars is investigated experimentally. The low-cycle fatigue tests on corroded reinforcing bars varied in percentage mass loss, strain amplitudes and buckling lengths are conducted. The failure modes and crack propagation are investigated by fractography of fracture surfaces using scanning electron microscope.

AB - The effect of inelastic buckling on low-cycle high amplitude fatigue life of reinforcing bars is investigated experimentally. The results show that the inelastic buckling, bar diameter and surface condition are the main parameters affecting the low-cycle fatigue life of reinforcing bars. Through nonlinear regression analyses of the experimental data a new set of empirical equations for fatigue life prediction of reinforcing bars as a function of the buckling length and yield strength are developed. Finally, these empirical models have been implemented into a new phenomenological hysteretic material model for reinforcing bars. Furthermore, the combined effect of inelastic buckling and chloride induced corrosion damage on low-cycle high amplitude fatigue life of embedded reinforcing bars is investigated experimentally. The low-cycle fatigue tests on corroded reinforcing bars varied in percentage mass loss, strain amplitudes and buckling lengths are conducted. The failure modes and crack propagation are investigated by fractography of fracture surfaces using scanning electron microscope.

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BT - Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure

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Kashani M, Crewe A, Alexander N. Damage propagation in corroded reinforcing bars with the effect of inelastic buckling under low-cycle fatigue loading. In Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure: Proceedings of the Fifth International Symposium on Life-Cycle Civil Engineering (IALCCE 2016), 16-19 October 2016, Delft, The Netherlands. CRC Press. 2016. p. 1996-2002. (Life-Cycle of Civil Engineering Systems). doi: 10.1201/9781315375175-293

Damage propagation in corroded reinforcing bars with the effect of inelastic buckling under low-cycle fatigue loading

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