Engineering Structures

, volume 286 , pages 116090

Calibration analysis of calculation formulas for shear capacities of corroded RC beams

Chao Jiang ¹

H. Ding ¹

Xin Gu ¹

Weiping Zhang ¹

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Department of Structural Engineering, College of Civil Engineering, Tongji University, Shanghai 200092, China |

Publication type: Journal Article

Publication date: 2023-07-01

Elsevier

Engineering Structures

scimago Q1

wos Q1

SJR: 1.803

CiteScore: 11.2

Impact factor: 6.4

ISSN: 01410296, 18737323

DOI: 10.1016/j.engstruct.2023.116090

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Civil and Structural Engineering

Abstract

This short communication presented the calibration analysis methods and results of calculation formulas for shear capacities of corroded RC beams. A dataset was established which involved shear tests on 93 non-corroded control and 326 corroded RC beams with corroded longitudinal steel bars, stirrups and/or bent steel bars. Then, the generalized calibration method for calculation formulas of shear capacities of corroded RC beams was proposed. Based on the shear capacity calculation formulas for non-corroded RC beams specified by the Chinese code, the corrosion-induced reduction functions for the concrete contribution term, stirrups contribution term and bent steel bars contribution term were calibrated with test results collected in the dataset. After that, the recommended reduction functions were proposed and the corresponding recommended shear capacity calculation formulas were found reliably conservative. The calibration results were dependent on the specific shear capacity calculation formulas for non-corroded RC beams. Nevertheless, the dataset is available to all readers upon request to allow them to calibrate their own calculation formulas for shear capacities of corroded RC beams. The recommended shear capacity calculation formulas could help reliable safety assessments of existing RC structures.

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GOST |

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GOST Copy

Jiang C. et al. Calibration analysis of calculation formulas for shear capacities of corroded RC beams // Engineering Structures. 2023. Vol. 286. p. 116090.

GOST all authors (up to 50) Copy

Jiang C., Ding H., Gu X., Zhang W. Calibration analysis of calculation formulas for shear capacities of corroded RC beams // Engineering Structures. 2023. Vol. 286. p. 116090.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1016/j.engstruct.2023.116090

UR - https://doi.org/10.1016/j.engstruct.2023.116090

TI - Calibration analysis of calculation formulas for shear capacities of corroded RC beams

T2 - Engineering Structures

AU - Jiang, Chao

AU - Ding, H.

AU - Gu, Xin

AU - Zhang, Weiping

PY - 2023

DA - 2023/07/01

PB - Elsevier

SP - 116090

VL - 286

SN - 0141-0296

SN - 1873-7323

ER -

BibTex

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BibTex (up to 50 authors) Copy

@article{2023_Jiang,

author = {Chao Jiang and H. Ding and Xin Gu and Weiping Zhang},

title = {Calibration analysis of calculation formulas for shear capacities of corroded RC beams},

journal = {Engineering Structures},

year = {2023},

volume = {286},

publisher = {Elsevier},

month = {jul},

url = {https://doi.org/10.1016/j.engstruct.2023.116090},

pages = {116090},

doi = {10.1016/j.engstruct.2023.116090}

}

Publisher

Elsevier

Journal

Engineering Structures

scimago Q1

wos Q1

SJR

1.803

CiteScore

11.2

Impact factor

6.4

ISSN

01410296 (Print)

18737323 (Electronic)