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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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Haoliang Wu, Jing Yu, Jiajia Zhou, Weiwen Li and Christopher K. Y. Leung
Conventionally, a soil nail is a piece of steel reinforcement installed inside a hole drilled into the slope and filled with cement paste (CP) grout. Chloride penetration is a major deterioration mechanism of conventional soil nails as the CP grout is ea...
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Quang Dieu Nguyen, Sumaiya Afroz and Arnaud Castel
Calcined clay plays an important role in the performance of limestone calcined clay cement (LC3) concrete. In this study, the performance of two different types of calcined clay produced from different calcination processes were investigated in chloride ...
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Panagiota T. Dalla, Ilias K. Tragazikis, Dimitrios A. Exarchos, Konstantinos G. Dassios, Nektaria M. Barkoula and Theodore E. Matikas
The study investigates the effect of carbon nanotubes on chloride penetration in nano-modified mortars and reports on the physical, electrical, and mechanical performance of the material. Mortars were artificially corroded and their surface electrical su...
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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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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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Petr Lehner, Lenka Koubová and Miroslav Rosmanit
The results of numerical calculations on the resistance of the reinforced concrete bridge deck to chlorides are compared with a different approach to the diffusion coefficient of the input parameter, and presented. The aim is to point out the necessity o...
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Lingjie Wu, Chenchi Jiang, Weiqiang Wang, Xiang Gao and Yufeng Xia
In contrast to the marine environment, coastal regions encompass substantial saline soils characterized by complex corrosive chemical compositions. This poses notable challenges to the durability of concrete structures erected in coastal dredger fill sil...
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Wei Li, Liming Yi, Wen Jiang, Hua Dong and Yong Zhang
This paper presents experimental investigations into the effects of ultrafine blast furnace slag on microstructure improvements against chloride penetration in saturated and unsaturated cementitious systems exposed to cyclic drying?wetting conditions. Th...
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Shagang Li, Xiaotong Yu, Wentao Zhou, Yingdi Liao and Da Chen
Sulfate and chloride in the marine environment threaten the lifespan of concrete structures. Predicting the strength of concrete under different degrees of ion erosion is essential for marine structure design and maintenance. In this paper, a novel metho...
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Yue Li, Youliang Chen, Wei Shao, Juhui Zhang, Shaoming Liao and Tomas Manuel Fernandez-Steeger
High temperatures can enhance the chloride diffusion coefficient and this poses a threat to reinforced concrete (RC) piles. This study intends to propose predictive models that can evaluate the service life and lateral bearing behaviour of reinforced con...
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Taegyu Lee and Jaehyun Lee
The mixing proportions of concrete were examined with regard to the durability performance and early strength in coastal areas. Research was conducted to improve the C24 mix (characteristic strength of 24 MPa). C35 concrete (characteristic strength of 35...
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Luiz Henry Monken e Silva, Rui Sérgio dos Santos Ferreira da Silva, Dionísio Borsato (Author)
Pág. 873 - 879
Numerical simulation of solute (sodium chloride) transfer process during salting through a three-dimensional matrix (cheese) was studied applying the finite element method. It was verified that both mesh refinement level and time step length were relevan...
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Sina Nasiri, Rahmat Madandoust and Malek Mohammad Ranjbar
The impact of the calcination temperature and grinding time on the mechanical properties and durability of limestone-calcined clay concrete (LC3) is crucial. In this research, calcined clay was produced within the temperature range of 700 °C to 900 °C, a...
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Vladislava A. Pigareva, Valeria I. Marina, Anastasia V. Bolshakova, Anna K. Berkovich, Oksana A. Kuznetsova, Anastasia A. Semenova, Yulia K. Yushina, Dagmara S. Bataeva, Maria A. Grudistova and Andrey V. Sybachin
Positively charged polyelectrolytes hold significant potential as materials for creating antibacterial coatings. We examined the physicochemical and mechanical properties of the macromolecules in water solutions and in coatings for the series of branched...
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Nilavukkarasi Mohandoss, Sangeetha Renganathan, Vijayakumar Subramaniyan, Punitha Nagarajan, Vidhya Elavarasan, Prathipkumar Subramaniyan and Sekar Vijayakumar
Capparis zeylanica leaf extract was employed in this work to create iron oxide nanoparticles (a-Fe2O3) using anhydrous ferric chloride. The UV spectrum, XRD, FT-IR, and FE-SEM with EDX methods were used to characterize the fabricated nanoparticles. The i...
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Kerman Vázquez, Raúl Rubén Rodríguez and M. Dolores Esteban
The growth of offshore wind farms (OWF?s) is expected to be significant. Reducing operation and maintenance (O&M) costs will be important to ensure its development. The foundation is the most important structural element, with concrete as its main co...
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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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David D. J. Antia
Batch treatment of water (0.2 to 240 L) using Fe0 (44,000?77,000 nm) in a diffusion environment operated (at -8 to 25 °C) using: (a) no external energy; (b) pressurized (<0.1 MPa) air; (c) pressurized (<0.1 MPa) acidic gas (CO2); (d) pressurized (<0.1 MP...
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Márcia Regina Figueiredo Luzia, Boutros Sarrouh, Renata Carolina Zanetti Lofrano
Pág. e47010
The excessive use of phthalates (PHEs) plasticizers has promoted a serious environmental problem. This study evaluated the biodegradation of PHEs from polyvinyl chloride (PVC) film, aiming to mitigate damage to the environment. Therefore, 23 microorganis...
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