Research on Three-Dimensional Roughness Characteristics of Tensile Granite Joint

Fu Ting Sun; Qing Ren Jiang; Cheng Xue She

doi:10.4028/www.scientific.net/AMM.204-208.514

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Research on Three-Dimensional Roughness...

Research on Three-Dimensional Roughness Characteristics of Tensile Granite Joint

Abstract:

The three-dimensional roughness characteristics of the tensile granite joint surfaces are studied. Firstly, the tensile granite joints are prepared by splitting cubic granite blocks, and the triangular networks of the joint surfaces are established based on the topographic data collected by laser scanner. Then, the roughness characteristics of the two-dimensional profiles in different positions and different directions are studied. It proves that the roughness of the tensile granite joint surface is position and direction depended, and the roughness parameters based on the profiles are inadequate to characterize the roughness of the three-dimensional joint surfaces. Some new roughness parameters to characterize the three-dimensional joint surfaces are finally calculated on the basis of the triangular networks, these parameters can reflect the spatial and anisotropic characteristics of the joint surfaces. The results in this paper will lay the foundation for further study of the roughness characteristics and mechanical properties of the tensile rock joints.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

514-519

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.514

Citation:

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Online since:

October 2012

Authors:

Fu Ting Sun, Qing Ren Jiang, Cheng Xue She

Keywords:

Anisotropy, Rock Joint, Roughness, Spatial Variance

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