Influences of Polypropylene Fiber on Properties of Foam Concrete with Iron Tailings

Li Guang Xiao; Chang Liu; Shi Ting Zhang

doi:10.4028/www.scientific.net/AMR.1004-1005.1575

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1004-1005Influences of Polypropylene Fiber on Properties of...

Influences of Polypropylene Fiber on Properties of Foam Concrete with Iron Tailings

Abstract:

Iron tailings are mineral wastes obtained from industrial processing and magnetic separation of iron ore. Foam concrete with iron tailings can be made with iron tailings, cement, fly ash, silica fume, polypropylene fiber, superplasticizer, early strength agent, accelerating agent and foaming agent. The influences of polypropylene fiber on the crack resistance and frost resistance of foam concrete have been investigated in this study. Further, the microstructure of foam concrete was observed. This result demonstrates that polypropylene fiber has greatly increased the crack resistance and frost resistance of foam concrete. The pore structure of foam concrete is improved obviously by polypropylene fiber. Due to the uniformly distributed pores, high porosity and rather complete pore wall, the mechanical properties and thermal properties of foam concrete are excellent. The foam concrete with high-strength and excellent thermal insulation property develops a new route for the comprehensive utilization of iron tailings.

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Periodical:

Advanced Materials Research (Volumes 1004-1005)

Pages:

1575-1578

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1004-1005.1575

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Online since:

August 2014

Authors:

Li Guang Xiao, Chang Liu, Shi Ting Zhang

Keywords:

Comprehensive Utilization of Iron Tailings, Foam Concrete, Microstructure, Polypropylene Fiber

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