›› 2005, Vol. 26 ›› Issue (8): 1227-1232.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

3D statistic analysis of geometrical properties of a rock joint

ZHOU Zhi-hua, DU Shou-ji   

  1. School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiaotong University, Shanghai 200030, China
  • Received:2004-03-15 Online:2005-08-10 Published:2013-12-26

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Abstract: Based on precise measurements of topography on artificial irregular rock joint by employing a laser scanning instrument, at first, the joint surface was visualized by using GIS technique. Then the distributions of the geometrical properties such as roughness, aperture and asperity height were analyzed according to the histogram and the characteristic number of frequency distribution. The results showed that the asperity height and the aperture of the rough surface in granite joint and sandstone joint approximate match the normal distribution; while the roughness slope of the rock joints approximate matches Γ- distribution. For different kinds of rock joints, the distribution of the geometrical properties is respectively similar to each other.

Key words: GIS, rock joint, geometrical properties, 3D statistical analysis, visualization

CLC Number: 

  • TU 443
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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