Corrosion of steel rebar embedded in UHPC beams with cracked matrix

L Fan, L Teng, F Tang, KH Khayat, G Chen… - … and Building Materials, 2021 - Elsevier
Intact ultra-high-performance concrete (UHPC) can properly protect embedded steel rebar
from corrosion. However, cracks initiate and propagate in UHPC beams under loading …

Effect of endogenous chloride ion content and mineral admixtures on the passivation behavior of reinforcement embedded in sea-sand ultra-high performance …

J Wei, R Chen, W Huang, X Bian, B Chen - Construction and Building …, 2022 - Elsevier
Ultra-high performance concrete (UHPC) is typically defined as an advanced cementitious
material which exhibits excellent mechanical property and superior durability. The …

Electrochemical polarization and impedance of reinforced concrete and hybrid fiber-reinforced concrete under cracked matrix conditions

W Nguyen, JF Duncan, TM Devine, CP Ostertag - Electrochimica Acta, 2018 - Elsevier
In this paper, we investigate the influence of cementitious matrix cracking on the
electrochemical polarization and impedance behaviors of corroding reinforced concrete and …

Influence of long-term chloride diffusion in concrete and the resulting corrosion of reinforcement on the serviceability of RC beams

W Zhu, R François, Q Fang, D Zhang - Cement and Concrete Composites, 2016 - Elsevier
This paper presents the chloride penetration and the effect of chloride ingress on the
serviceability of reinforced concrete (RC) beams. A series of experimental studies were …

Chloride profile characterization by electron probe microanalysis, powder extraction and AgNO3 colorimetric: A comparative study

C Fu, S Li, R He, K Zhou, Y Zhang - Construction and Building Materials, 2022 - Elsevier
In this study, the chloride profile of cement mortar with various supplementary cementitious
materials after 100 d immersion in 5% NaCl solution was characterized by electron probe …

Corrosion of rebar in concrete under cyclic freeze–thaw and Chloride salt action

Z Wang, Q Zeng, L Wang, Y Yao, K Li - Construction and Building Materials, 2014 - Elsevier
We studied the coupled effects of freeze–thaw (F–T) cycling and chloride on corrosion of
rebar in concrete. An ordinary concrete and a ternary-binder concrete were immersed in 3.5 …

Corrosion performance of reinforcing steel in concrete under simultaneous flexural load and chlorides attack

J Shi, J Ming, W Sun, Y Zhang - Construction and Building Materials, 2017 - Elsevier
In this study, the corrosion behavior of reinforcing steels in concrete under simultaneous
flexural load and chlorides attack was studied by means of linear polarization resistance …

Bond performance between slightly corroded steel bar and concrete after exposure to high temperature

O Yang, B Zhang, G Yan, J Chen - Journal of Structural Engineering, 2018 - ascelibrary.org
Bond-slip characteristics of slightly corroded (less than 2% mass loss) reinforcing steel bars
embedded in concrete were investigated with pull-out tests conducted after exposure to high …

High performance self-healing epoxy/polyamide protective coating containing epoxy microcapsules and polyaniline nanofibers for mild carbon steel

H Zhang, J Wang, X Liu, Z Wang… - Industrial & Engineering …, 2013 - ACS Publications
Epoxy microcapsules and polyaniline nanofibers are incorporated into epoxy/polyamide
coatings to enhance the protective and self-healing performance of the coatings for mild …

Mechanistic study of macrocell effect on corrosion initiation and propagation of reinforcement in submarine immersed tunnel

J Li, J Xiong, Z Fan, M Chen, L Sun, C Zhu… - Cement and Concrete …, 2023 - Elsevier
Submarine immersed tunnel (SIT) is generally in a specific corrosive environment with inner
marine atmosphere and outer high-pressure seawater. In this work, a setup was designed to …