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Elzbieta Sobiecka
Chlorine is one of the macronutrients commonly found in nature. The natural cycle of this element can be destabilized by human activities and causes negative effects in the environment. To come back into a natural balance, various biological processes of...
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Antoni Antoni
Pág. pp. 63 - 69
The effect of loading on the chloride penetration into plain concrete (PC) and fiber reinforced concrete (FRC) was studied experimentally by using modified NT Build 492 ? Non-steady state chloride migration test that include the application of loading on...
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Saleh Ahmed, Yang Hou, Katerina Lepkova and Thunyaluk Pojtanabuntoeng
This paper investigated carbon steel corrosion in an enclosed environment, where one set of steel was immersed in 3.5 wt.% NaCl solution and another exposed to humid (condensation) conditions. The study employed electrochemical noise and electrochemical ...
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Mounia Chakik, Siziwe Bebe and Ravi Prakash
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Changwei Su, Linfu Zhao, Liang Tian, Bixia Wen, Mingwu Xiang, Wei Bai and Junming Guo
This work presents the rapid electrodeposition of Fe–Ni alloy foils from chloride baths containing trivalent iron ions at a low pH (<0.0). The effect of the concentration of Ni2+ ions on the content, surface morphology, crystal structure, and te...
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Okkyoung Choi, Kathy Kanjun Deng, Nam-Jung Kim, Louis Ross Jr., Rao Y. Surampalli, Zhiqiang Hu
Pág. 3066 - 3074
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Okkyoung Choi, Kathy Kanjun Deng, Nam-Jung Kim, Louis Ross Jr., Rao Y. Surampalli, Zhiqiang Hu
Pág. 3066 - 3074
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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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Zofia Szweda and Dominik Czachura
The consequences of the loss of the load-bearing capacity due to the corrosion of prestressing steel can be much more dangerous than in the case of reinforced concrete structures, since failure can occur quite rapidly and without warning. A very importan...
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Linjian Wu, Zhouyu Xiang, Han Jiang, Mingwei Liu, Xueli Ju and Wenxiao Zhang
Soda residue soil (SRS) is a man-made engineering foundation soil formed by soda residue; it is mainly distributed in coastal areas in China. SRS is rich in a variety of corrosive salts, among which the concentrations of chloride ions are about 2?3 times...
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Affonso Celso Gonçalves Júnior, Herbert Nacke, Daniel Schwantes, Valfredo Tadeu de Fávere, Mauro Cesar Marghetti Laranjeira
Pág. 521 - 529
The development of a chitosan anion exchanger, obtained from shrimp shells, and its adsorption capacity for chloride, bromide, iodide and phosphate anions are provided. Dependence of exchange processes with the anions as a function of pH and contact time...
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Mehrdad Hadizadeh-Bazaz, Ignacio J. Navarro and Víctor Yepes
Recently, the repair and maintenance of structures has been necessary to prevent these structures? sudden collapse and to prevent human and financial damage. A natural factor in marine environments that destroys structures and reduces their life is the p...
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Xueli Ju, Linjian Wu, Mingwei Liu, Han Jiang and Wenxiao Zhang
The corrosion of reinforcement induced by chloride ions is one of the most significant causes of durability deterioration for reinforced concrete (RC) buildings. The concrete material factors, including the water-to-cement ratio (w/c) of concrete, as wel...
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Shih Wei Cho
Pág. 476 - 487
The interface between aggregate and mortar or paste is a weak phase. This has a serious effect on the properties of concretes. Because of the high porosity of lightweight aggregate, the interface of lightweight concrete is different from that of normal w...
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Alexandra Jakab-Nácsa, Dávid Stomp, László Farkas, George Kaptay
Pág. 238 - 242
The decomposition rate of chlorate (NaClO3) in aqueous solutions (brines) containing initially 6:1 mol/mol HCl:NaClO3 is studied at 90°C at various NaCl contents experimentally. A strong positive effect of NaCl addition is shown on the decomposition rate...
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Héctor Peinado-Guevara, Carlos Green-Ruíz, Jaime Herrera-Barrientos, Oscar Escolero-Fuentes, Omar Delgado-Rodríguez, Salvador Belmonte- Jiménez, María Ladrón de Guevara
Pág. 229 - 239
Soils in arid or semi-arid areas often have salinity problems, so the quality of irrigation water plays an important role in agricultural production. Groundwater quality analysis includes the determination of chloride ions, which are toxic to plants i...
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Yi Lu, Deeparekha Narayanan, Ryan Brooks and Homero Castaneda
Carbon steel rebar (ASTM A615) has been widely used in reinforced concrete (RC), but its susceptibility to chloride ions remains a critical issue. Low alloy chromium steel has been used to increase corrosion resistance and extend service life, such as in...
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Dario Fiandaca, Alberto Di Matteo, Bernardo Patella, Nadia Moukri, Rosalinda Inguanta, Daniel Llort, Antonio Mulone, Angelo Mulone, Soughah Alsamahi and Antonina Pirrotta
The issue of monitoring the structural condition of bridges is becoming a top priority worldwide. As is well known, any infrastructure undergoes a progressive deterioration of its structural conditions due to aging by normal service loads and environment...
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Sarah James and Edith Joseph
The instability of iron artefacts is rooted in salt contamination during burial and damages associated with exposure to alternative oxygen levels and high relative humidity once excavated. While a combination of chemical and mechanical treatments is util...
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Zahid M. Mir, Celestino Gomes, Alexandre C. Bastos, Rui Sampaio, Frederico Maia, Cláudia Rocha, João Tedim, Daniel Höche, Mario G. S. Ferreira and Mikhail L. Zheludkevich
In this work, the ZnAl-NO2 LDH (layered double hydroxide) is investigated as a possible additive for mitigating the chloride-induced corrosion of steel in reinforced concrete. The investigation focused on the stability and chloride binding capacity of th...
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