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Comparison of detection methods for carbonation depth of concrete [PDF]

Scientific Reports, 2023
This paper presents comprehensive research of the advantages and applicability of various concrete carbonation detection methods. Employing a combination of Phenolphthalein indicator (PI), Thermogravimetric analysis (TGA), X-ray phase analysis (XRD ...
Bei Li, Ye Tian, Guoyi Zhang, Yu Liu, Huiping Feng, Nanguo Jin, Xianyu Jin, Hongxiao Wu, Yinzhe Shao, Dongming Yan, Zheng Zhou, Shenshan Wang, Zhiqiang Zhang, Jin Chen, Xiaodong Chen, Yunjun Lu, Xinyi Li, Jiaxi Wang   +17 more
doaj   +4 more sources

Critical Carbonation Depth for Initiation of Steel corrosion in Fully Carbonated Concrete and Development of Electrochemical Carbonation Induced Corrosion Model

International Journal of Electrochemical Science, 2009
It is well known that carbonation of concrete initiates corrosion of reinforcing steel by lowering the pH value, but the extent and variety of possible damage has limited research data and there exists a difference of opinion between various researchers ...
Raja Rizwan Hussain, Tetsuya Ishida
doaj   +3 more sources

Accelerated carbonation test data for concretes with varying slag content(Zenodo). [PDF]

Data in Brief
This paper presents a dataset of accelerated carbonation test results for 48 concrete mixes with varying binder compositions, water-to-binder ratios, and air-entrainment levels. The dataset includes raw and processed data on material properties, exposure
Jukka Haavisto, Riku Paavilainen, Heikki Alho, Jukka Lahdensivu, Miguel Ferreira, Anssi Laaksonen   +5 more
doaj   +2 more sources

Predicting carbonation depth in fiber-reinforced ultra-high performance concrete (FR-UHPC) using state-of-the-art machine learning techniques [PDF]

Scientific Reports
Carbonation-induced degradation is one of the leading causes of durability loss in concrete structures. Despite advances in conventional concrete carbonation models, predictive models for fiber-reinforced ultra-high-performance concrete (FR-UHPC) remain ...
Arsalan Mahmoodzadeh, Raouf Hassan, Nejib Ghazouani, Abdulaziz Alghamdi, Abed Alanazi, Shtwai Alsubai, Abdullah Alqahtani, Sivaprakasam Palani   +7 more
doaj   +2 more sources

Effect of concrete stress states on carbonation depth of concrete

Journal of Civil Engineering and Management, 2019
Carbonation can lead to reduction of alkalinity of concrete and initiation of steel reinforcement corrosion. In durability design of concrete structures, the carbonation depth should be duly considered.
Jian Wang, Pui-Lam Ng, Han Su, Jiajian Chen, Jinsheng Du   +4 more
doaj   +3 more sources

Effects of Environmental Factors on Concrete Carbonation Depth and Compressive Strength [PDF]

Materials, 2018
Ying Chen
exaly   +2 more sources

Carbonation Resistance of Marine Concrete Containing Nano-SiO₂ under the Action of Bending Load

Journal of Marine Science and Engineering, 2023
In order to study the influence of nanomaterials on the carbonation resistance of marine concrete under bending loads, an appropriate amount of nano-SiO2 was added to plain concrete, and a self-developed carbonation box and bending loading device were ...
Maohua Zhang, Zenong Tian, Jiyin Cui
doaj   +1 more source

Performance of GGBS Cement Concrete under Natural Carbonation and Accelerated Carbonation Exposure

Journal of Engineering, 2021
One of the primary problems related to reinforced concrete structures is carbonation of concrete. In many cases, depth of carbonation on reinforced concrete structures is used to evaluate concrete service life.
Jun Zhao, Eskinder Desta Shumuye, Zike Wang, Gashaw Assefa Bezabih   +3 more
doaj   +1 more source

Study on carbonation of construction joints through field tests on a 30-year-old bridge and accelerated carbonation tests

Case Studies in Construction Materials, 2023
Construction joints accelerate concrete carbonation, which is one critical durability concern of concrete infrastructures. However, due to the lack of experimental data, it is still challenging to quantify its negative impact on concrete carbonation ...
Yin Shen, Yi Wang, Xiaoqing Xu, Feipeng Ruan   +3 more
doaj   +1 more source

Experimental Investigation on Carbonation Behavior in Lime-Stabilized Expansive Soil

Advances in Civil Engineering, 2020
The carbonation behavior of lime-stabilized expansive soil is important for assessing the stabilization efficiency from the perspective of durability. In this study, the accelerated carbonation tests, measurement of pH value distribution, and the free ...
Long Xu, Fusheng Zha, Congmin Liu, Bo Kang, Jingjing Liu, Chuang Yu   +5 more
doaj   +1 more source