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Junhao Ye, Songhui Liu, Jingrui Fang, Haibo Zhang, Jianping Zhu and Xuemao Guan
This study focused on the synthesis of aragonite whiskers through a synergistic wet carbonation technology utilizing waste magnesia slag (MS) and magnesium sulfate (MgSO4), aiming to improve the microstructure and mechanical properties of ordinary Portla...
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Gabriela Rutkowska, Mariusz Zóltowski, Konstantin Rusakov, Katarzyna Pawluk, Joanna Andrzejak and Bogdan Zóltowski
CO2 emission limits introduced by the European Union are encouraging works on new-generation materials with reduced clinker content. Currently, fumed silica from hard coal combustion is used in cement and concrete technology in Europe and Poland. Its wid...
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Henrique Comba Gomes, Elvys Dias Reis, Rogério Cabral de Azevedo, Conrado de Souza Rodrigues and Flávia Spitale Jacques Poggiali
The construction industry is essential to the development and economy, but is also the largest generator of construction and demolition waste (CDW). While efforts are made to minimize such generation, the construction industry has been developing applica...
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Shamsad Ahmad, Mohammed A. Al-Huri, Mohammed A. Al-Osta, Mohammed Maslehuddin and Ali H. Al-Gadhib
The corrosion of reinforcing steel in concrete has been reported as one of the main durability problems of reinforced concrete (RC) structures exposed to chloride, carbonation or both. To investigate the structural performances of RC structures subjected...
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Dany Kassim, Ghandy Lamaa, Rui Vasco Silva and Jorge de Brito
The use of electric arc furnace slag (EAFS) as sole precursor to produce alkali-activated mortars has been experimentally investigated. EAFS, a by-product of the steel recycling industry, is a coarse material with unevenly distributed and size-extensive ...
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Shiquan Li, Yu Chen, Can Tang, Jinyuan Wang, Ronggui Liu and Haojie Wang
Carbonization coefficient research has great significance in concrete carbonization evaluation. Nano-silica (NS) can reduce the content of Ca(OH)2, which is generated during the hydration of concrete, resulting in improved carbonization resistance and co...
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Kali Kapetanaki, Chrysi Kapridaki and Pagona-Noni Maravelaki
In recent years, lime mortars mixed with artificial or natural pozzolans are commonly used in restoration applications. The aim of this work is the assessment of carbonation, pozzolanic reaction, setting time, and mechanical properties of metakaolin?lime...
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Xin Huang, Weijing Yao and Jianyong Pang
In this paper, the carbonation depths of glazed hollow bead insulation concrete (GHBC) and normal concrete (NC) at different carbonation ages are tested. The microstructure of GHBC and NC before and after carbonation were observed and compared by mercury...
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Hyung-Min Lee, Han-Seung Lee, Sang-ho Min, Seungmin Lim and Jitendra Kumar Singh
The carbonation of concrete is the prime deterioration factor in reinforced concrete (RC) structures. During carbonation, the atmospheric CO2 penetrates the concrete and lowers its alkalinity. The problem in predicting carbonation is difficult to address...
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Dong-Min Kim, In-Ho Song, Ju-Young Choi, Seung-Won Jin, Kyeong-Nam Nam and Chan-Moon Chung
Linseed oil undergoes an oxidative drying reaction upon exposure to air, resulting in a soft film. The reaction conversion after 48 h reached 88% and 59% when it reacted at room temperature and −20 °C, respectively. Linseed-oil-loaded microcaps...
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