Experimental Research on Acoustic Emission of Granite under Uniaxial Compression and Splitting Tensile

Zong Zhan Li; Jun Lin Tao; Yi Li

doi:10.4028/www.scientific.net/AMM.232.24

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Hypothesis of Local Zones with Dependent Fatigue Damages Accumulation
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Experimental Research on Acoustic Emission of Granite under Uniaxial Compression and Splitting Tensile
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 232Experimental Research on Acoustic Emission of...

Experimental Research on Acoustic Emission of Granite under Uniaxial Compression and Splitting Tensile

Abstract:

This paper makes the acoustic emission of granite under uniaxial compression and splitting tensile test by electro-hydraulic testing machine and AE .We studied the relationship of uniaxial compressive strength and splitting tensile strength with the loading rate and AE characteristics of granite .The results show that uniaxial compressive strength and peak strain raise with loading rate, the AE energy gradually increases and get maximum in the 30% of the peak stress in the process of uniaxial compression test, and in the splitting tensile AE energy generates in the initial loading and gets maximum when the granite brittle fracture.

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Periodical:

Applied Mechanics and Materials (Volume 232)

Pages:

24-27

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.232.24

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Online since:

November 2012

Authors:

Zong Zhan Li, Jun Lin Tao, Yi Li

Keywords:

Acoustic Emission (AE), Granite, Loading Rate, Splitting Test

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