Combined effect of steel fibres and steel rebars on impact resistance of high performance concrete
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Abstract
The impact properties of normal concrete (NC) and reinforced concrete (RC) specimens, steel fibre reinforced concrete (SFRC) specimens and RC+SFRC specimens with different steel fibre dosages were investigated with the drop-weight impact test recommended by ACI Committee 544. The results indicate that the number of blows to final failure is greatly increased by addition of steel fibres. Moreover, the combination of steel fibres and steel rebars demonstrates a significant positive composite effect on the impact resistance, which results in the improvement in impact toughness of concrete specimens. In the view of variation of impact test results, the two-parameter Weibull distribution was adopted to analyze the experimental data. It is proved that the probabilistic distributions of the blows to first crack and to final failure of six types of samples approximately follow two-parameter Weibull distribution.
Key words
impact resistance high performance concrete fibre Weibull distributionPreview
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References
- [1]ZHANG M H, LI L, PARAMASIVAM P. Flexural toughness and impact resistance of steel-fibre-reinforced lightweight concrete [J]. Magazine of Concrete Research, 2004, 56(5): 251–262.CrossRefGoogle Scholar
- [2]NATARAJA M, DHANG N, GUPTA A. Statistical variations in impact resistance of steel fiber-reinforced concrete subjected to drop weight test [J]. Cement and Concrete Research, 1999, 29(7): 989–995.CrossRefGoogle Scholar
- [3]DING Y, ZHANG Y, THOMAS A, KUSTERLE W. The investigation on strength and flexural toughness of fibre cocktail reinforced self-compacting high performance concrete [J]. Construction and Building Materials, 2009, 23: 448–452.CrossRefGoogle Scholar
- [4]CAMPS G, TURATSINZE A, SELLIER A, ESCADEILLAS G, BOURBON X. Steel-fiber-reinforcement and hydration coupled effects on concrete tensile behavior [J]. Engineering Fracture Mechanics, 2008, 75: 5207–5216.CrossRefGoogle Scholar
- [5]LU X, HSU C. Behavior of high strength concrete with and without steel fiber reinforcement in triaxial compression [J]. Cement and Concrete Research, 2006, 36: 1679–1685.CrossRefGoogle Scholar
- [6]ALTUN F, HAKTANIR T, ARI K. Effects of steel fiber addition on mechanical properties of concrete and RC beams [J]. Construction and Building Materials, 2007, 21: 654–661.CrossRefGoogle Scholar
- [7]ACI Committee 544. Measurement of properties of fiber reinforced concrete [J]. ACI Materials Journal, 1988, 85(6): 583–593.Google Scholar
- [8]SONG P, WU J, HWANG S, SHEU B. Assessment of statistical variations in impact resistance of high-strength steel fiber-reinforced concrete [J]. Cement and Concrete Research, 2005, 35(2): 393–399.CrossRefGoogle Scholar
- [9]ATEF B, ASHRAF F, ANDREW K. Statistical variations in impact resistance of polypropylene fibre-reinforced concrete [J]. International Journal of Impact Engineering, 2006, 32: 1907–1920.CrossRefGoogle Scholar
- [10]SONG P, HWANG S, SHEU B. Statistical evaluation for impact resistance of steel-fibre-reinforced concrete [J]. Magazine of Concrete Research, 2004, 56(8): 437–442.CrossRefGoogle Scholar
- [11]WANG Z, LIU Y, SHEN R. Stress-strain relationship of steel fiber-reinforced concrete under dynamic compression [J]. Construction and Building Materials, 2008, 22: 811–819.CrossRefGoogle Scholar
- [12]MAHMOUD N, AFROUGHSABET V. Combined effect of silica fume and steel fibers on the impact resistance and mechanical properties of concrete [J]. International Journal of Impact Engineering, 2010, 37: 879–886.CrossRefGoogle Scholar
- [13]WANG L, WANG H, JIA J. Impact resistance of steel-fibre-reinforced lightweight-aggregate concrete [J]. Magazine of Concrete Research, 2009, 67(7): 539–547.MathSciNetCrossRefGoogle Scholar
- [14]MOHAMMADI Y, CARKON A, SINGH S, KAUSHIK S. Impact resistance of steel fibrous concrete containing fibers of mixed aspect ratio [J]. Construction and Building Materials, 2009, 23: 183–189.CrossRefGoogle Scholar
- [15]DAY K. Concrete mix design, quality control and specification [M]. London: E&FN Spon, 1999.Google Scholar
- [16]SWAMY R, STAVRIDES H. Some statistical considerations of steel fibre reinforced composites [J]. Cement and Concrete Research, 1976, 6(2): 201–216.CrossRefGoogle Scholar
- [17]LI Hui, ZHANG Mao-hua, OU Jin-ping. Flexural fatigue performance of concrete containing nano-particles for pavement [J]. International Journal of Fatigue, 2007, 29(7): 1292–1301.CrossRefGoogle Scholar
- [18]RAIF S, IRFAN A. Statistical analysis of bending fatigue life data using Weibull distribution in glass-fiber reinforced polyester composites [J]. Materials and Design, 2008, 29(6): 1170–1181.CrossRefGoogle Scholar
- [19]RAMAN B, RAKESH C. Fatigue-life distributions and failure probability for glass-fiber reinforced polymeric composites [J]. Composites Science and Technology, 2009, 69(9): 1381–1387.CrossRefGoogle Scholar