Finite Cylindrical Cavity Expansion Model for Penetration of Steel-Tube-Confined Concrete Targets

Yang Yue Ye Cao; Zhi Gang Jiang; Qing Hua Tan

doi:10.4028/www.scientific.net/AMR.1065-1069.1065

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1065-1069Finite Cylindrical Cavity Expansion Model for...

Finite Cylindrical Cavity Expansion Model for Penetration of Steel-Tube-Confined Concrete Targets

Abstract:

Concrete is a brittle material which cracks under the tension and pulverized when the compressive stress exceeds the ultimate compressive strength. Confined concrete performs better than that of concrete without confinement in resisting penetration. Based on the Griffith strength theory, a quasi-static cylindrical cavity expansion model for the penetration of steel-tube-confined concrete targets is proposed. Numerical results show that ratio of tube wall thickness to tube radius significantly effects cavity expansion stress, which is in proportion to the former ratio. The results are in good agreement with the cavity expansion process.

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Periodical:

Advanced Materials Research (Volumes 1065-1069)

Pages:

1065-1068

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1065-1069.1065

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Online since:

December 2014

Authors:

Yang Yue Ye Cao*, Zhi Gang Jiang, Qing Hua Tan

Keywords:

Cavity Expansion, Concrete, Lateral Confinement, Penetration

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