The evaluation of concrete properties including zeolite and micro-nano bubble water in the chloride curing condition

Document Type : Research Article

Authors

1 M.Sc. Student, Construction and Engineering Management, Tehran University of kharazmi

2 Assistant Professor, Faculty of Civil Engineering, Tehran University of kharazmi

3 Assistant Professor, School of Civil Engineering, Iran University of Science and Technology, Tehran, Iran.

Abstract

The highest part of chemical ions present in the seawater is related to the chloride ion. In this research, the effect of chloride curing condition on the properties of concrete including zeolite as a mineral admixture and micro-nano bubble water is evaluated. Based on the experiments including X-ray diffraction, compressive strength, water absorption, chloride permeability and electrical resistance, it was determined that the addition of zeolite and micro-nano bubble water to the mixture improved the properties of concrete in the chloride conditions. Also results showed that the chloride curing condition causes an improvement in the properties of concrete at the age of 28 days due to the formation of Friedel salt. With increase in age of concrete up to 90 days and decomposition of Friedel salt composition in mixtures, the process of improvement is reduced. The highest effects on improving the mechanical properties and durability of concrete at the age of 28 days is related to the mixture including 15% zeolite and 100% micro-nano bubble water under chloride curing conditions. Improvement contents in the mentioned situation are 47, 78, 254, 84 and 49 percent corresponds to the compressive strength, tensile strength, electrical resistance, chloride permeability and water absorption test respectively.

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Main Subjects

References

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Amirkabir Journal of Civil Engineering
Volume 51, Issue 3
September and October 2019
Pages 523-534

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