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Variation of Rock Properties in Acidic Solution and Loading Condition
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  • Journal title : Tunnel and Underground Space
  • Volume 26, Issue 3,  2016, pp.154-165
  • Publisher : Korean Society for Rock Mechanics
  • DOI : 10.7474/TUS.2016.26.3.154
 Title & Authors
Variation of Rock Properties in Acidic Solution and Loading Condition
Chung, Jae Hong; Park, Seung Hun; Lee, Seung Jun; Yu, Seungwon; Lee, Woo Hee; Kwon, Sangki;
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 Abstract
This paper presents experimental results to investigate the affects of acidic solution under loading condition on rock properties. In the experiment, the variations of various rock properties including effective porosity, thermal conductivity, and etc were investigated with different pHs of solution and magnitudes of loading. The results show that the rock property change was increased with low pH under loading. It was predicted that chemical reaction rate would be increased in low pH. Below the crack initiation stress of the rock specimen, the variation of rock property change was reduced with increased loading. It could be explained with the reduced chemical reaction area by the compressional loading if there is no crack generation.
 Keywords
Abandoned mine;Rock property;Acidic solution-loading;Effective porosity;
 Language
Korean
 Cited by
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