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Investigation on the Indeterminate Information of rock joint roughness through a Neutrosophic Number Approach

Computer Modeling in Engineering & Sciences 2021年第11期129卷 973-991页

作者： Changshuo Wang Liangqing Wang Shigui Du Jun Ye Rui Yong Institute of rock Mechanics Ningbo UniversityNingbo315211China Faculty of Engineering China University of GeosciencesWuhan430074China Department of Civil Engineering Shaoxing UniversityShaoxing312000China

To better estimate the rock joint shear strength,accurately determining the rock joint roughness coefficient(JRC)is the first step faced by researchers and ***,there are incomplete,imprecise,and indeterminate problems during the process of calculating the *** paper proposed to investigate the indeterminate information of rock joint roughness through a neutrosophic number approach and,based on this information,reported a method to capture the incomplete,uncertain,and imprecise information of the JRC in uncertain *** uncertainties in the JRC determination were investigated by the regression correlations based on commonly used statistical parameters,which demonstrated the drawbacks of traditional JRC regression correlations in handling the indeterminate information of the ***,the commonly used statistical parameters cannot reflect the roughness contribution differences of the asperities with various scales,which induces additional indeterminate information.A method based on the neutrosophic number(NN)and spectral analysis was proposed to capture the indeterminate information of the *** proposed method was then applied to determine the JRC values for sandstone joint samples collected from a rock *** comparison between the JRC results obtained by the proposed method and experimental results validated the effectiveness of the ***,comparisons made between the spectral analysis and common statistical parameters based on the NN also demonstrated the advantage of spectral ***,the NN and spectral analysis combined can effectively handle the indeterminate information in the rock joint roughness.

关键词： rock joint roughness coefficient uncertainty indeterminate information neutrosophic number spectral analysis

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