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Experiment Study on the Paste Rheological Threshold of Magnetite Aggregate Self-compacting Concrete

Zhang, Hanyu / Zhou, Jikai / Xue, Yichen

Radiation shielding boxes in nuclear power plants suffer from dense and complex reinforcement and concrete that is not easy to vibrate. This places high demands on the flowability of concrete. In this study, the paste threshold method was used to carry out the paste threshold test on the flowability of self-compacting concrete containing magnetite and common aggregate. The test results show that: The flow of concrete containing magnetite aggregates in the same proportion is about 10% lower than that of concrete mixed with ordinary aggregates, and the T₅₀₀ expansion time rises by 35%; and a model for calculating the paste threshold of magnetite self-compacting concrete was developed. The model provides guidance for the design of magnetite self-compacting concrete.

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Experiment Study on the Paste Rheological Threshold of Magnetite Aggregate Self-compacting Concrete

Zhang, Hanyu / Zhou, Jikai / Xue, Yichen

Radiation shielding boxes in nuclear power plants suffer from dense and complex reinforcement and concrete that is not easy to vibrate. This places high demands on the flowability of concrete. In this study, the paste threshold method was used to carry out the paste threshold test on the flowability of self-compacting concrete containing magnetite and common aggregate. The test results show that: The flow of concrete containing magnetite aggregates in the same proportion is about 10% lower than that of concrete mixed with ordinary aggregates, and the T₅₀₀ expansion time rises by 35%; and a model for calculating the paste threshold of magnetite self-compacting concrete was developed. The model provides guidance for the design of magnetite self-compacting concrete.

Experiment Study on the Paste Rheological Threshold of Magnetite Aggregate Self-compacting Concrete

Zhang, Hanyu / Zhou, Jikai / Xue, Yichen

Radiation shielding boxes in nuclear power plants suffer from dense and complex reinforcement and concrete that is not easy to vibrate. This places high demands on the flowability of concrete. In this study, the paste threshold method was used to carry out the paste threshold test on the flowability of self-compacting concrete containing magnetite and common aggregate. The test results show that: The flow of concrete containing magnetite aggregates in the same proportion is about 10% lower than that of concrete mixed with ordinary aggregates, and the T₅₀₀ expansion time rises by 35%; and a model for calculating the paste threshold of magnetite self-compacting concrete was developed. The model provides guidance for the design of magnetite self-compacting concrete.

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Titel:

Experiment Study on the Paste Rheological Threshold of Magnetite Aggregate Self-compacting Concrete

Weitere Titelangaben:

Atlantis Highlights in Engineering

Beteiligte:

Zende, Abhijit Mohanrao (Herausgeber:in) / Tian, Yongding (Herausgeber:in) / Chen, Lingkun (Herausgeber:in) / Jahromi, Saeed Ghaffarpour (Herausgeber:in) / Zhang, Hanyu (Autor:in) / Zhou, Jikai (Autor:in) / Xue, Yichen (Autor:in)

Kongress:

International Conference on Structural Seismic Resistance, Monitoring and Detection ; 2024 ; Harbin, China

Erschienen in:

Proceedings of the 2024 3rd International Conference on Structural Seismic Resistance, Monitoring and Detection (SSRMD 2024) ; Kapitel: 34 ; 345-353

Atlantis Highlights in Engineering ; 27

Erscheinungsdatum:

27.04.2024

Format / Umfang:

9 pages

ISBN:

978-94-6463-404-4 , 978-94-6463-403-7

ISSN:

2589-4943 , 2731-7927

DOI:

https://doi.org/10.2991/978-94-6463-404-4_34

Medientyp:

Aufsatz/Kapitel (Buch)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Magnetite aggregates , Paste threshold method , Self-compacting concrete Engineering , Civil Engineering , Environment, general , Building Construction and Design , Geoengineering, Foundations, Hydraulics

Lizenzbestimmungen:

http://creativecommons.org/licenses/by-nc/4.0/

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