STUDY OF CONNECTIVITY OF DISCONTINUITIES OF BOREHOLE BASED ON DIGITAL BOREHOLE IMAGES
WANG Chuanying1，ZHONG Sheng2，SUN Weichun3
(1. State Key Laboratory of Geomechanics and Geotechnical Engineering，Institute of Rock and Soil Mechanics，Chinese Academy of Sciences，Wuhan，Hubei 430071，China；2. School of Architecture and Environment，Sichuan University，Chengdu，Sichuan 610065，China；3. Shandong Electric Power Engineering Consulting Institute Co.，Ltd.，State Nuclear Power Technology Co.，Ltd.，Jinan，Shandong 250013，China)
Abstract：The extension of a discontinuity and the connectivity of discontinuities in adjacent boreholes were discussed. The conditional restriction of connectivity of discontinuities in adjacent boreholes was further studied according to their depths，rock characters and filling conditions of the discontinuities in adjacent boreholes. Finally，a case study of the discontinuities of adjacent boreholes in certain mining area was given；and it is proved to be available for determining the connectivity of discontinuities in adjacent boreholes by the method of digital borehole images.
