Experimental investigations of the properties of plain concrete subjected to triaxial constant-amplitude and variable-amplitude tension–compression fatigue loadings are presented. The sustained lower level of the cyclic stress is 0·2fc and the upper level ranges between 0·2ft and 0·65ft. Three constant lateral loadings are 0·1fc, 0·2fc and 0·3fc, respectively. The three-stage evolution rule of the maximum and minimum longitudinal strains, fatigue modulus and damage evolution are analysed. Combined with the former test results, a unified S–N curve formula is obtained by regression analysis and the fatigue strength factors for different lower stress levels are discussed. In addition, Miner's rule is examined for variable loading sequences and a non-linear cumulative damage model is established. Based on the model the residual fatigue number to failure is evaluated. Comparing with the experimental results shows that the model is of better precision and applicability.
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May 2006
Research Article|
May 01 2006
Experimental investigation of plain concrete under triaxial tension–compression cyclic loading Available to Purchase
W. Cao;
W. Cao
*
State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology
China. 116023
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H.-C. Liu;
H.-C. Liu
*
State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology
China. 116023
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Y.-P. Song
Y.-P. Song
*
State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology
China. 116023
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Publisher: Emerald Publishing
Received:
July 24 2003
Revision Received:
November 22 2004
Accepted:
December 23 2005
Online ISSN: 1751-763X
Print ISSN: 0024-9831
© 2006 Thomas Telford Ltd
2006
Magazine of Concrete Research (2006) 58 (4): 209–219.
Article history
Received:
July 24 2003
Revision Received:
November 22 2004
Accepted:
December 23 2005
Citation
Cao W, Liu H, Song Y (2006), "Experimental investigation of plain concrete under triaxial tension–compression cyclic loading". Magazine of Concrete Research, Vol. 58 No. 4 pp. 209–219, doi: https://doi.org/10.1680/macr.2006.58.4.209
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