Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing

Heba A. Mohamed; Mohamed Husain; Sayed Ahmed

doi:doi:10.11648/j.ajcbm.20200402.14

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Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing

Heba A. Mohamed, Mohamed Husain, Sayed Ahmed

Published in American Journal of Construction and Building Materials (Volume 4, Issue 2)

Received: 5 November 2020 Accepted: 16 November 2020 Published: 24 November 2020

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Abstract

Corrosion of steel reinforcement is the main damage issue for the efficiency and performance of reinforced concrete (RC) bridge piers located in aggressive environments. In this study, the possibility of strengthening corroded RC bridge piers with high corrosion leveled by ultra-high performance fiber RC (UHPFRC) jacketing was investigated numerically. The model of nonlinear 3-D finite-element (FE) was constructed by using ANSYS software. The parameters of axial force ratio, longitudinal reinforcement ratio, aspect ratio, and transverse reinforcement ratio were studied to determine their effect on the lateral load resistance of strengthening corroded RC bridge piers. The verification carried out between the constructed FE and the experimental results of ten RC bridge piers in four experimental studies. The performance of RC bridge piers under cyclic lateral displacement and axial force was studied with different ratios. Finally, a practical model to calculate the lateral load resistance of corroded RC bridge piers was proposed. The results of this research suggest that this technique could be applied for existing concrete bridge exposed in the marine environment whereas, the concentration of corrosive chlorides are high and can also use for any shape of a column and this technique allows keeping the initial dimension of the column.

Published in	American Journal of Construction and Building Materials (Volume 4, Issue 2)
DOI	10.11648/j.ajcbm.20200402.14
Page(s)	61-76
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Corrosion, Strengthening, Deterioration, Aspect Ratio, Lateral Displacement

References

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APA Style

Heba A. Mohamed, Mohamed Husain, Sayed Ahmed. (2020). Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing. American Journal of Construction and Building Materials, 4(2), 61-76. https://doi.org/10.11648/j.ajcbm.20200402.14

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ACS Style

Heba A. Mohamed; Mohamed Husain; Sayed Ahmed. Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing. Am. J. Constr. Build. Mater. 2020, 4(2), 61-76. doi: 10.11648/j.ajcbm.20200402.14

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AMA Style

Heba A. Mohamed, Mohamed Husain, Sayed Ahmed. Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing. Am J Constr Build Mater. 2020;4(2):61-76. doi: 10.11648/j.ajcbm.20200402.14

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@article{10.11648/j.ajcbm.20200402.14,
  author = {Heba A. Mohamed and Mohamed Husain and Sayed Ahmed},
  title = {Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing},
  journal = {American Journal of Construction and Building Materials},
  volume = {4},
  number = {2},
  pages = {61-76},
  doi = {10.11648/j.ajcbm.20200402.14},
  url = {https://doi.org/10.11648/j.ajcbm.20200402.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajcbm.20200402.14},
  abstract = {Corrosion of steel reinforcement is the main damage issue for the efficiency and performance of reinforced concrete (RC) bridge piers located in aggressive environments. In this study, the possibility of strengthening corroded RC bridge piers with high corrosion leveled by ultra-high performance fiber RC (UHPFRC) jacketing was investigated numerically. The model of nonlinear 3-D finite-element (FE) was constructed by using ANSYS software. The parameters of axial force ratio, longitudinal reinforcement ratio, aspect ratio, and transverse reinforcement ratio were studied to determine their effect on the lateral load resistance of strengthening corroded RC bridge piers. The verification carried out between the constructed FE and the experimental results of ten RC bridge piers in four experimental studies. The performance of RC bridge piers under cyclic lateral displacement and axial force was studied with different ratios. Finally, a practical model to calculate the lateral load resistance of corroded RC bridge piers was proposed. The results of this research suggest that this technique could be applied for existing concrete bridge exposed in the marine environment whereas, the concentration of corrosive chlorides are high and can also use for any shape of a column and this technique allows keeping the initial dimension of the column.},
 year = {2020}
}

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TY  - JOUR
T1  - Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing
AU  - Heba A. Mohamed
AU  - Mohamed Husain
AU  - Sayed Ahmed
Y1  - 2020/11/24
PY  - 2020
N1  - https://doi.org/10.11648/j.ajcbm.20200402.14
DO  - 10.11648/j.ajcbm.20200402.14
T2  - American Journal of Construction and Building Materials
JF  - American Journal of Construction and Building Materials
JO  - American Journal of Construction and Building Materials
SP  - 61
EP  - 76
PB  - Science Publishing Group
SN  - 2640-0057
UR  - https://doi.org/10.11648/j.ajcbm.20200402.14
AB  - Corrosion of steel reinforcement is the main damage issue for the efficiency and performance of reinforced concrete (RC) bridge piers located in aggressive environments. In this study, the possibility of strengthening corroded RC bridge piers with high corrosion leveled by ultra-high performance fiber RC (UHPFRC) jacketing was investigated numerically. The model of nonlinear 3-D finite-element (FE) was constructed by using ANSYS software. The parameters of axial force ratio, longitudinal reinforcement ratio, aspect ratio, and transverse reinforcement ratio were studied to determine their effect on the lateral load resistance of strengthening corroded RC bridge piers. The verification carried out between the constructed FE and the experimental results of ten RC bridge piers in four experimental studies. The performance of RC bridge piers under cyclic lateral displacement and axial force was studied with different ratios. Finally, a practical model to calculate the lateral load resistance of corroded RC bridge piers was proposed. The results of this research suggest that this technique could be applied for existing concrete bridge exposed in the marine environment whereas, the concentration of corrosive chlorides are high and can also use for any shape of a column and this technique allows keeping the initial dimension of the column.
VL  - 4
IS  - 2
ER  -

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Author Information

Heba A. Mohamed

Department of Structural Engineering, Faculty of Engineering, Zagazig University, Zagazig, Egypt
Mohamed Husain

Department of Structural Engineering, Faculty of Engineering, Zagazig University, Zagazig, Egypt
Sayed Ahmed

Department of Structural Engineering, Faculty of Engineering, Zagazig University, Zagazig, Egypt

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Plain Text BibTeX RIS

APA Style

Heba A. Mohamed, Mohamed Husain, Sayed Ahmed. (2020). Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing. American Journal of Construction and Building Materials, 4(2), 61-76. https://doi.org/10.11648/j.ajcbm.20200402.14

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ACS Style

Heba A. Mohamed; Mohamed Husain; Sayed Ahmed. Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing. Am. J. Constr. Build. Mater. 2020, 4(2), 61-76. doi: 10.11648/j.ajcbm.20200402.14

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AMA Style

Heba A. Mohamed, Mohamed Husain, Sayed Ahmed. Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing. Am J Constr Build Mater. 2020;4(2):61-76. doi: 10.11648/j.ajcbm.20200402.14

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@article{10.11648/j.ajcbm.20200402.14,
  author = {Heba A. Mohamed and Mohamed Husain and Sayed Ahmed},
  title = {Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing},
  journal = {American Journal of Construction and Building Materials},
  volume = {4},
  number = {2},
  pages = {61-76},
  doi = {10.11648/j.ajcbm.20200402.14},
  url = {https://doi.org/10.11648/j.ajcbm.20200402.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajcbm.20200402.14},
  abstract = {Corrosion of steel reinforcement is the main damage issue for the efficiency and performance of reinforced concrete (RC) bridge piers located in aggressive environments. In this study, the possibility of strengthening corroded RC bridge piers with high corrosion leveled by ultra-high performance fiber RC (UHPFRC) jacketing was investigated numerically. The model of nonlinear 3-D finite-element (FE) was constructed by using ANSYS software. The parameters of axial force ratio, longitudinal reinforcement ratio, aspect ratio, and transverse reinforcement ratio were studied to determine their effect on the lateral load resistance of strengthening corroded RC bridge piers. The verification carried out between the constructed FE and the experimental results of ten RC bridge piers in four experimental studies. The performance of RC bridge piers under cyclic lateral displacement and axial force was studied with different ratios. Finally, a practical model to calculate the lateral load resistance of corroded RC bridge piers was proposed. The results of this research suggest that this technique could be applied for existing concrete bridge exposed in the marine environment whereas, the concentration of corrosive chlorides are high and can also use for any shape of a column and this technique allows keeping the initial dimension of the column.},
 year = {2020}
}

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TY  - JOUR
T1  - Strengthening of Corroded RC Bridge Piers Subjected to Seismic Loads Using UHPFRC Jacketing
AU  - Heba A. Mohamed
AU  - Mohamed Husain
AU  - Sayed Ahmed
Y1  - 2020/11/24
PY  - 2020
N1  - https://doi.org/10.11648/j.ajcbm.20200402.14
DO  - 10.11648/j.ajcbm.20200402.14
T2  - American Journal of Construction and Building Materials
JF  - American Journal of Construction and Building Materials
JO  - American Journal of Construction and Building Materials
SP  - 61
EP  - 76
PB  - Science Publishing Group
SN  - 2640-0057
UR  - https://doi.org/10.11648/j.ajcbm.20200402.14
AB  - Corrosion of steel reinforcement is the main damage issue for the efficiency and performance of reinforced concrete (RC) bridge piers located in aggressive environments. In this study, the possibility of strengthening corroded RC bridge piers with high corrosion leveled by ultra-high performance fiber RC (UHPFRC) jacketing was investigated numerically. The model of nonlinear 3-D finite-element (FE) was constructed by using ANSYS software. The parameters of axial force ratio, longitudinal reinforcement ratio, aspect ratio, and transverse reinforcement ratio were studied to determine their effect on the lateral load resistance of strengthening corroded RC bridge piers. The verification carried out between the constructed FE and the experimental results of ten RC bridge piers in four experimental studies. The performance of RC bridge piers under cyclic lateral displacement and axial force was studied with different ratios. Finally, a practical model to calculate the lateral load resistance of corroded RC bridge piers was proposed. The results of this research suggest that this technique could be applied for existing concrete bridge exposed in the marine environment whereas, the concentration of corrosive chlorides are high and can also use for any shape of a column and this technique allows keeping the initial dimension of the column.
VL  - 4
IS  - 2
ER  -

Copy | Download