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Open AccessArticle

Study on the Durability of the T-Beam Based on Chloride Ion Erosion

by Lifeng Gu 1,2,*, Guowen Yao 1,2, Xuanrui Yu 2 and Qiaoyi Li 2
1
State Key Laboratory of Mountain Bridge and Tunnel Engineering, Chongqing Jiaotong University, Chongqing 400074, China
2
School of Civil Engineering, Chongqing Jiaotong University, Chongqing 400074, China
*
Author to whom correspondence should be addressed.
Materials 2020, 13(7), 1504; https://doi.org/10.3390/ma13071504 (registering DOI)
Received: 22 February 2020 / Revised: 23 March 2020 / Accepted: 24 March 2020 / Published: 25 March 2020
(This article belongs to the Section Construction and Building Materials)
Based on analyzing the bearing capacity of existing T-beam bridges in service, the factors that affect the T-beams cracked by chloride ions mainly include the width and the depth of cracks. Combined with practical engineering examples, a single-piece T-beam model is established to explore the influence of factors such as crack width and crack depth on the T-beams affected by chloride ion erosion through numerical simulation in this paper. In addition, the attenuation models of bending capacity and shear capacity of the T-beam are obtained to analyze the possible failure modes of T-beams with cracks. All of which provides a reference for exploring the effect of crack width and depth on the durability of reinforced concrete members under chloride ion field.
Keywords: T-beam; chloride concentration; numerical simulation; bending capacity; shear capacity T-beam; chloride concentration; numerical simulation; bending capacity; shear capacity
MDPI and ACS Style

Gu, L.; Yao, G.; Yu, X.; Li, Q. Study on the Durability of the T-Beam Based on Chloride Ion Erosion. Materials 2020, 13, 1504.

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