Influence the Carbonation Resistance and Mechanical Properties of Shotcrete by Accelerated Carbonation Test

Jia Bin Wang; Di Tao Niu; Rui Ma; Ze Long Mi

doi:10.4028/www.scientific.net/AMR.1065-1069.1985

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1065-1069Influence the Carbonation Resistance and...

Influence the Carbonation Resistance and Mechanical Properties of Shotcrete by Accelerated Carbonation Test

Abstract:

In order to investigate the carbonation resistance of shotcrete and the mechanical properties after carbonation, the accelerated carbonation test was carried out. The results indicate that the carbonation resistance of shotcrete is superior to that of normal concrete. With the increasing of carbonation depth, compressive strength and splitting tensile strength of shotcrete grew rapidly. The admixing of steel fiber can further improve the carbonation resistance, reduce the carbonation rate, and increase the splitting tensile strength of shotcrete greatly. Besides, based on analyzing the effects of construction technology and steel fiber of concrete for the carbonation resistance, a carbonation depth model for shotcrete was established. Key words: shotcrete; carbonation; steel fiber; mechanical properties

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Advanced Materials Research (Volumes 1065-1069)

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1985-1989

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https://doi.org/10.4028/www.scientific.net/AMR.1065-1069.1985

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December 2014

Authors:

Jia Bin Wang*, Di Tao Niu, Rui Ma, Ze Long Mi

Keywords:

Carbonation, Mechanical Property, Shotcrete, Steel Fiber

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