Effect of Pre-Crack on Fatigue Behaviors of Concrete under Tension and Compression Loading

Meng Meng Guo; Zhong Ren Feng; Xiong Jiang Wang

doi:10.4028/www.scientific.net/MSF.873.110

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HomeMaterials Science ForumMaterials Science Forum Vol. 873Effect of Pre-Crack on Fatigue Behaviors of...

Effect of Pre-Crack on Fatigue Behaviors of Concrete under Tension and Compression Loading

Abstract:

With the material testing machine of electro-hydraulic servo, fatigue test have been carried out on coarse aggregate concrete with pre-crack .The fatigue life and fatigue strength of the concrete have been measured under tension and compression loading. The effect of pre-crack on concrete fatigue behavior has been analyzed based on the test results. Having regression treatment, obtained the concrete S-N curve and S-lgN curve of fatigue life. Mean-while, applying ANSYS finite element software, analysis and comparison of the fatigue behavior have been performed. The results show that pre-crack has a great influence on the fatigue behavior of concrete, and the fatigue life is reduced for 75%~80%.

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International Conference on Materials Applications and Engineering 2016

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Periodical:

Materials Science Forum (Volume 873)

Pages:

110-114

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.873.110

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Online since:

September 2016

Authors:

Meng Meng Guo*, Zhong Ren Feng, Xiong Jiang Wang

Keywords:

Compression Loading, Concrete, Fatigue Behavior, Finite Element, Pre-Crack, S-N Curve, Tension Loading

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