Experimental study on performance of plain concrete due to triaxial variable-amplitude tension-compression cyclic loading

Abstract

An experimental study on performance of plain concrete under triaxial constant-amplitude and variable-amplitude tension-compression cyclic loadings was carried out. The low level of the cyclic stress is 0.2f_c and the upper level ranges between 0.20f_c and 0.55f_c, while the constant lateral pressure is 0.3f_c. The specimen failure mode, the three-stage evolution rule of the longitudinal strains and the damage evolution law under cyclic loading were analyzed. Furthermore, Miner’s rule is proved not to be applicable to the cyclic loading conditions, hereby, a nonlinear cumulative damage model was established. Based on the model the remaining fatigue life was evaluated. The comparison with the experiment results shows that the model is of better precision and applicability.

Keywords

concrete / triaxial tension-compression cyclic loading / three-stage evolution rule / nonlinear cumulative damage model

References

[1] Jinping Ou, Yanqing Lin. Experimental Study on Performance Degradation of Plain Concrete due to High-cycle Fatigue Damage. Journal of Civil Engineering of China, 1999, 10: 15-22.

[2] Ruimin Wang, Guofan Zhao, Yupu Song. Fatigue of Plain Concrete under Compression. Journal of Civil Engineering of China, 1991, 11: 38-47.

[3] Cornelissen H A W, Reinhardt H W. Uniaxial Tensile Fatigue of Concrete under Constant Amplitude and Program Loading. Magazine of Concrete Research, 1984, 36(129): 216-219.

[4] Peiyin Lv. Experimental Study on Dynamic Strength and Deformation of Concrete under Uniaxial and Biaxial Action, 2001 Dalian: Dalian University of Technology.

[5] Oh Byung Hwan. Cumulative Damage Theory of Concrete under Variable-amplitude Fatigue Loadings. ACI Materials Journal, 1991, 88: 41-48.

[6] Dongfu Zhao. Study on Fatigue Criterion of Plain Concrete under Multiaxial Fatigue Loading, 2002 Dalian: Dalian University of Technology.

[7] Miner M A. Cumulative Damage in Fatigue. Trans. ASME, 1945, 67: 159-164.

[8] RILEM COMMITTEE 36-RDL Long Term Random Dynamic Loading of Concrete Structures. Materials and Constructions, 1984, 17: 1-13.

[9] Yingbo Chen, Zhean Lu, Da Huang. Fatigue Defect of Layer Steel Fiber Reinforced Concrete. Journal of Wuhan University of Technology-Mat. Sci. Ed., 2003, 18(1): 65-68.

[10] Jun Wei, Xinghao Wu, Xiaolong Zhao. A Damage Model of Concrete under Freeze-Thaw Cycles. Journal of Wuhan University of Technology-Mat. Sci. Ed., 2003, 18(3): 40-42.

[11] Shouwen Yu, Xiqiao Feng. Damage Mechanics, 1997 Beijing: Tsinghua University Press.

[12] Peigang Wu, Guangyi Zhao, Liming Bai. Fatigue Behavior of High Strength Concrete under Compressive Cyclic Loading. Journal of Civil Engineering of China, 1994, 27(3): 33-40.