Experimental study on borehole size effect and prediction of breakout initiation stress

Volume: 142, Pages: 104762 - 104762
Published: Jun 1, 2021
Abstract
Borehole breakout initiation stress is critical for mining and geotechnical engineering as it indicates horizontal stress magnitudes and rock quality in a specific layer. This stress can be significantly intensified under laboratory conditions where the borehole size is small, although the specimen sizes in previous studies varied. This may result in inaccurate experimental results as the sample itself is affected by the scale effect. In this...
Paper Details
Title
Experimental study on borehole size effect and prediction of breakout initiation stress
Published Date
Jun 1, 2021
Volume
142
Pages
104762 - 104762
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