The Failure Mode and Anti-Crack Performance of the Steel Fiber Reinforced High Strength Concrete Four-Pile Cap

Abstract:

Based on the experiments on 4 specimens with the dimension of 700mm×700mm and different thickness, the failure mode and anti-crack performance of the steel fiber reinforced high strength concrete four-pile cap was studied. The results show that the steel fiber mixed in high strength concrete in four-pile cap enhances its cracking load, limits the propagation of crack obviously and raises the ductility greatly. It also indicates that the ultimate load-carrying capacity of four-pile cap can be improved significantly with the increase of effective thickness.

• Periodical: Advanced Materials Research (Volumes 306-307)
• Pages: 927-933
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.306-307.927
• Online since: August 2011
• Authors: Dan Ying Gao, Hua Fan, Jie Lei
• Keywords: High-Strength Concrete (HSC), Shear Span Ratio, Steel Fiber (SF), Ultimate Load

References

[1] N.Q. Feng. High Performance Concrete Structures. Beijing: Mechanical Industry Press, 2004, 1.

[2] D.Y. Gao, H.T Zhu, J.Y. Tang. Experimental study on behavior of fiber reinforced high-strength concrete under shear. J. Build. Struc. 25 (2004) 88-92.

[3] GB50007-2002, Code for design of building foundation．

[4] C.F. Sun, M.G. Wang, Q. Gian, S.M. Peng. Experimental research on punching and shearing bearing capcity steel fiber reinforced concrete thick pile cap with two piles. J. Bulid, Struc. 25 (2004) 107-113.

[5] W. Jian, P.H. Long. Damage Control Modeing of a Single Column Cap Supported by 4 Piles and Determination of the Anti-Cracking Characteristics. J. Beijing Inst. Civil Eng. Architecture, 2004, 20(2):15-19.