Size and stress gradient effects on fracture around cavities

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1992 English Publisher:Springer Science and Business Media LLCJournal:Rock Mechanics and Rock Engineering, volume 25, pages 167-186 (issn: 0723-2632, eissn: 1434-453X,

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Authors: B. J. Carter;

doi: 10.1007/bf01019710

Size and stress gradient effects on fracture around cavities

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Abstract

The effect of hole size on fracture initiation around cavities in rock is examined through physical model tests on Tyndall limestone. Twenty five models, employing nine different hole sizes, ranging from 3.2 to 62 mm in diameter were tested in uniaxial compression. Strain gauges placed both on the face of the model block and inside the cylindrical cavity were used to record the state of fracture.

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University of Manitoba
Canada

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