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http://dx.doi.org/10.7474/TUS.2015.25.1.024

The Mechanical Properties of the Geochang Granite  

Kim, Myeong Kyun (Dept. of Civil Engineering, Cheongju University)
Publication Information
Tunnel and Underground Space / v.25, no.1, 2015 , pp. 24-36 More about this Journal
Abstract
The Geochang granite widely used in construction works is one of the most popular dimension stones in Korea. In order to evaluate the physical properties of rock, a lot of laboratory tests for the Geochang granite were conducted to find unit weight, absorption ratio, P wave velocity, S wave velocity, uniaxial compressive strength, Young's modulus, Poisson's ratio, tensile strength, cohesion, friction angle and point load strength index. The uniaxial compressive strength of the Geochang granite was 19.5 times tensile strength and also 8.6 times cohesion, besides P wave velocity was 1.5 times S wave velocity. Correlation analyses were also conducted to find the correlation among 11 different physical properties, where the uniaxial compressive strength showed Pearson correlation coefficient of more than 0.8 with Poisson's ratio, point load strength index and Young's modulus, respectively. Regression analyses were finally conducted by means of both linear and multiple analysis and the brief results including coefficient of determination of more than 0.7 were presented.
Keywords
Geochang granite; Dimension stone; Physical property; Correlation analysis; Regression analysis;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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