The major purpose of the present study is to take a closer look at resonant frequency with the change of physical properties of specimen. This paper illustrates the changing dynamic properties by porosity. To achieve this, mortar specimen of differing the size of sand grains is produced. Also, author analyzes the effects of inherent joint within specimen on dynamic properties through artificial-joint specimens made from the mixture of anhydrite and gypsum.
Characteristic of Resonant Frequency Depending on Physical Properties of Specimen
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Choi, Sung-Oong , Hwang, Hee-Young, Min, June-Hyun , and Seung-Joong Lee. "Characteristic of Resonant Frequency Depending on Physical Properties of Specimen." Paper presented at the ISRM Regional Symposium - 7th Asian Rock Mechanics Symposium, Seoul, Korea, October 2012.
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