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Dongye Lv, Hanbing Liu, Qiang Miao, Wensheng Wang, Guojin Tan, Chengwei Shi and Hanjun Li
The passivation behavior of steel reinforcements in concrete is significantly influenced by the environment, concrete pore solution, and the passive film formed on the steel surface. The present study used electrochemical methods to successfully characte...
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Qiuchao Li, Yingfang Fan, Yulong Zhao and Zilong Liang
The early-age properties of nano-metakaolin (NMK) cement paste were examined from 15 min to 24 h, contacted between cement and water based on the electrochemical impedance spectroscopy (EIS) method. The effects of a superplasticizer and chloride ions wer...
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Obinna Onuaguluchi and Nemkumar Banthia
A realistic forecast of the impact of CaCl2-blended acrylic polymer (CP) emulsions on steel reinforcement corrosion is difficult without a detailed study. This is traceable to the conflicting effects of cement additives on the chloride threshold value, p...
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José Marcos Ortega, Fernando G. Branco, Luís Pereira and Luís Marques
The use of lightweight aggregates in construction materials is a good solution for increasing the contribution to sustainability of civil engineering works, such as maritime ones. In this regard, the possibility of using cork granulates and expanded clay...
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Giulia Masi
Alkali activated materials as possible sustainable alternative to cementitious binders showed competitive performances in terms of mechanical and durability properties and high temperature stability. For this reason, light weight fly-ash based mortars ha...
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Panagiotis Sitarenios and Francesca Casini
This paper presents a three-dimensional slope stability limit equilibrium solution for translational planar failure modes. The proposed solution uses Bishop?s average skeleton stress combined with the Mohr?Coulomb failure criterion to describe soil stren...
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Feng Zhang, Xun Xi and Shangtong Yang
In this paper, the recent research progress on the corrosion of reinforced alkali-activated materials (AAMs) concrete structures is reviewed. The corrosion mechanisms induced by carbonation and chloride ingress in AAMs concrete are discussed, from the pe...
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Jiawei Lei, Jiajun Fu and En-Hua Yang
Low-calcium fly ash-based geopolymer concrete is generally reported to be less vulnerable to alkali-silica reaction (ASR) than conventional ordinary Portland cement concrete. However, the lack of understanding of pore solution composition of the low-calc...
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Sergio Santoro, Enrico Drioli and Alberto Figoli
In this work composite hollow-fibers were prepared by dip-coating of commercial polypropylene (PP) with a thin layer of ethylene?chlorotrifluoroethylene copolymer (ECTFE). The employment of N-methyl pyrrolidone (NMP) as solvent improved the polymer proce...
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