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- W2197152012 abstract "The stability of structures constructed on the rock has been estimated by porosity without the consideration of crack existed in rock.The objective of this study is to suggest the method for estimating the crack density, which can represent the characterization of crack,by using the elastic wave velocity. The Biot-Gassmann model is adopted for developing the equation in terms of crack density. Thespecimen is extracted in the field and the specimen is abraded into the shape of cylinder for increasing the efficiency of measuringelastic wave velocity. The each transducer for compressional wave and shear wave is applied to obtain the profile of elastic wave. Theporosity is first estimated before calculating the crack density of specimen. The calculated crack density shows the similar trend withdata performed by previous study. Furthermore, the crack porosity is also estimated through the equation and thus, the suggestedmethod may be widely applied to assess the stability of rock structures." @default.
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- W2197152012 date "2014-10-31" @default.
- W2197152012 modified "2023-09-23" @default.
- W2197152012 title "탄성파 속도를 활용한 암석의 균열밀도 산정" @default.
- W2197152012 hasPublicationYear "2014" @default.
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