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- W2028232690 abstract "불연속면의 거칠기는 암반사변의 안정성 해석에서 고려되어야 하는 중요한 인자 중 하나로 특히 암반사변에 대한 확률론적 안정성 해석에서는 파괴확률의 결정에 지대한 영향을 미치는 확률변수이다. 확률변수로서의 거칠기의 특성을 파악하기 위해서는 다수의 거칠기 자료가 요구되나 기존의 육안조사는 조사위치나 시간적인 제약으로 인해 충분한 자료의 획득이 어려운 경우가 많다. 따라서 본 연구에서는 기존 육안조사가 가지는 조사위치 및 조사수량의 한계점을 극복하기 위하여 지상라이다를 활용하여 거칠기의 자료를 획득하고 분석을 수행하였다. 또한 절리면거칠기의 정량적인 산정을 위하여 지상라이다로부터 얻어진 수치자료에 대해 통계파라미터를 이용한 변환과정을 거쳐 절리면거칠기를 얻었다. 불연속면의 거칠기에 대한 확률특성인 평균, 표준편차, 분포함수에 대한 정보를 획득하였으며, 기존 육안검사방법에 비해 정량적인 많은 자료를 얻는데 있어 지상라이다가 유용한 것으로 판단되었다. Joint roughness is one of the most important parameters in analysis of rock slope stability. Especially in probabilistic analysis, the random properties of joint roughness influence the probability of slope failure. Therefore, a large dataset on joint roughness is required for the probabilistic analysis but the traditional direct measurement of roughness in the field has some limitations. Terrestrial LiDAR has advantagess over traditional direct measurement in terms of cost and time. JRC (Joint Roughness Coefficient) was calculated from statistical parameters which are known from quantitative methods of converting the roughness of the material surface into JRC. The mean, standard deviation and distribution function of JRC were obtained, and we found that LiDAR is useful in obtaining large dataset for random variables." @default.
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- W2028232690 date "2011-03-31" @default.
- W2028232690 modified "2023-09-26" @default.
- W2028232690 title "Analysis of Random Properties for JRC using Terrestrial LiDAR" @default.
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- W2028232690 doi "https://doi.org/10.9720/kseg.2011.21.1.001" @default.
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