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Yupeng Tian
School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, China

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Journal article
Published: 19 April 2021 in Sustainability
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Cement-based materials prepared with activated water induced by a magnetic field or electric field represent a possible solution to environmental issues caused by the worldwide utilization of chemical admixtures. In this contribution, electric- and magnetic-activated water have been produced. The workability and mechanical properties of cement mortar prepared with this activated water have been investigated. The results indicate that the pH and absorbance (Abs) values of the water varied as the electric and magnetic field changed, and their values increased significantly, exhibiting improved activity compared with that of the untreated water. In addition, activated water still retains activity within 30 min of the resting time. The fluidity of the cement paste prepared with electric-activated water was significantly larger than that of the untreated paste. However, the level of improvement differed with the worst performance resulting from cement paste prepared with alternating voltage activated water. In terms of mechanical properties, both compressive strength and flexural strength obtained its maximum values at 280 mT with two processing cycles. The compressive strength increased 26% as the curing time increased from 7 days to 28 days and flexural strength increased by 31%. In addition, through the introduction of magnetic-activated water into cement mortar, the mechanical strength can be maintained without losing its workability when the amount of cement is reduced.

ACS Style

Kaiyue Zhao; Peng Zhang; Bing Wang; Yupeng Tian; Shanbin Xue; Yuan Cong. Preparation of Electric- and Magnetic-Activated Water and Its Influence on the Workability and Mechanical Properties of Cement Mortar. Sustainability 2021, 13, 4546 .

AMA Style

Kaiyue Zhao, Peng Zhang, Bing Wang, Yupeng Tian, Shanbin Xue, Yuan Cong. Preparation of Electric- and Magnetic-Activated Water and Its Influence on the Workability and Mechanical Properties of Cement Mortar. Sustainability. 2021; 13 (8):4546.

Chicago/Turabian Style

Kaiyue Zhao; Peng Zhang; Bing Wang; Yupeng Tian; Shanbin Xue; Yuan Cong. 2021. "Preparation of Electric- and Magnetic-Activated Water and Its Influence on the Workability and Mechanical Properties of Cement Mortar." Sustainability 13, no. 8: 4546.

Journal article
Published: 04 March 2020 in Sensors
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An Ag/AgCl electrode used as a corrosion sensor in a reinforced concrete structure is considered as having good application prospect. However, its performance under complex conditions, such as dry-wet cycle condition, is not affirmed. In the current study, the performance of Ag/AgCl as chloride selective electrode in mortar exposed to dry-wet cycle condition was investigated. A simple Ag/AgCl electrode was prepared and fabricated by electrochemical anodization. These Ag/AgCl electrodes were embedded into a mortar specimen with temperature sensors, humidity sensors and anode ladder monitoring system (ALS). After 28 d curing time, the upper surface of mortar specimen was wetted (with 5% NaCl solution) and dried regularly. The obtained results indicate that Ag/AgCl electrode responds to the ingress of chloride ion, sensitively. The chloride ion concentration variation can be reflected by the potential trend. Furthermore, the balance potential of Ag/AgCl electrodes is influenced by dry-wet cycles. Compared with ALS, it demonstrates that Ag/AgCl electrodes are more sensitive to chloride. The research provides the key element for the specific application of Ag/AgCl electrode for corrosion monitoring in the future.

ACS Style

Yupeng Tian; Peng Zhang; Kaiyue Zhao; Zhenxing Du; Tiejun Zhao. Application of Ag/AgCl Sensor for Chloride Monitoring of Mortar under Dry-Wet Cycles. Sensors 2020, 20, 1394 .

AMA Style

Yupeng Tian, Peng Zhang, Kaiyue Zhao, Zhenxing Du, Tiejun Zhao. Application of Ag/AgCl Sensor for Chloride Monitoring of Mortar under Dry-Wet Cycles. Sensors. 2020; 20 (5):1394.

Chicago/Turabian Style

Yupeng Tian; Peng Zhang; Kaiyue Zhao; Zhenxing Du; Tiejun Zhao. 2020. "Application of Ag/AgCl Sensor for Chloride Monitoring of Mortar under Dry-Wet Cycles." Sensors 20, no. 5: 1394.