Experimental Study on Creep Life of Granite under Direct Uniaxial Tension

Jin Xing Wang; Kun Zhang; Wei Min Liang; Yong Qiang Yu

doi:10.4028/www.scientific.net/AMR.598.293

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 598Experimental Study on Creep Life of Granite under...

Experimental Study on Creep Life of Granite under Direct Uniaxial Tension

Abstract:

Experiments of direct tension creep on granite under uniaxial tensile stress condition were conducted to study the behaviors of long-term deformation and characteristics of acoustic emission. Test results indicate that there exists linear relationship between minimum strain rate and creep life on log-log coordinate, and that relationship between minimum strain rate and remaining creep life is also linear on log-log plot. According to the relationships, equations were developed to predict tension creep life of rocks. In the tertiary creep stage, there exists inversely-proportional relationship between axial strain and residual life, and the relationship was used to estimate residual life of a rock material.

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Periodical:

Advanced Materials Research (Volume 598)

Pages:

293-298

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.598.293

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Online since:

November 2012

Authors:

Jin Xing Wang*, Kun Zhang, Wei Min Liang, Yong Qiang Yu

Keywords:

Acoustic Emission (AE), Creep Deformation, Creep Life, Direct Tension, Granite, Residual Life, Uniaxial Tension

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