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Computers and Concrete Volume 31, Number 2, February 2023 , pages 97-110 DOI: https://doi.org/10.12989/cac.2023.31.2.097 |
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Effect of change intensity fields of magnetized water on fresh and hardened characteristics of concrete |
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Ali S. Ahmed, Mohamed M.Y. Elshikh, Mosbeh R. Kaloop, Jong Wan Hu and Walid E. Elemam
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| Abstract | ||
| This study investigates experimentally the impact of magnetized water (MW) on the fresh and hardened characteristics of concrete. Five types of MW are produced using magnetic fields of 1.4 and 1.6 Tesla for treating water with 100, 150, and 250 cycles. The concrete properties are assessed using the slump test, compressive strength test, scanning electron microscopy (SEM) analysis, energy dispersive X-ray analysis (EDX), and Fourier transform infrared spectrophotometry (FTIR). Furthermore, the chemical-physical characteristics of tap water (TW) and MW are evaluated. The results showed the magnetic field intensity has a significant impact on the magnetization effect; the best magnetizing conditions were found when TW was exposed successively to magnetic fields of 1.6 T and 1.4 T for 150 cycles. In addition, 150 MW cycles can be used to improve the compressive strength and workability of concrete by 40% and 17%, respectively. pH, total dissolved solids, and electrical conductivity improved by 15%, 17%, and 7%, respectively, when using MW. Additionally, MW can be used to enhance cement hydration chemical processes and made concrete's structure denser. | ||
| Key Words | ||
| compressive strength; intensity fields; magnetized water; microstructure; slump test; water properties | ||
| Address | ||
| Ali S. Ahmed, Mohamed M.Y. Elshikh and Walid E. Elemam: Structural Engineering Department, Mansoura University, Egypt Mosbeh R. Kaloop: 1) Department of Civil and Environmental Engineering, Incheon National University, Korea, 2) Incheon Disaster Prevention Research Center, Incheon National University, Korea, 3) Public Works Engineering Department, Mansoura University, Egypt Jong Wan Hu: 1) Department of Civil and Environmental Engineering, Incheon National University, Korea, 2) Incheon Disaster revention Research Center, Incheon National University, Korea | ||