Abstract
In view of the limitations of existing 2D research methods and theories, three 3D joint roughness characteristic parameters were put forward in this article, through consulting a great many of studies on rock joint shear mechanism. Those 3D characteristic parameters can reflect both shear properties and anisotropy of rock joint surface. Moreover, based on the 3D high resolution laser scanning technology and GIS technology, the author precisely measured the accidented surface terrain of porphyritic granite joint and extracted the 3D characteristic parameters successfully. What is more, after precisely analysing the roughness features in different directions of a typical rock joint surface, a new computational Equation of JRC3D was obtained.
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Acknowledgments
This research was financially supported by the National Natural Science Foundation of China (Grant No. 41302245).
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© 2015 Springer International Publishing Switzerland
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Li, H., Huang, R., Xu, X., Xiao, J., Zhong, X. (2015). The Study on the Determination Method of 3D Joint Roughness Coefficient. In: Lollino, G., et al. Engineering Geology for Society and Territory - Volume 2. Springer, Cham. https://doi.org/10.1007/978-3-319-09057-3_354
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DOI: https://doi.org/10.1007/978-3-319-09057-3_354
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