Empirical Procedure Investigation for Sandstone Anisotropy Evaluation: Part II

Abdelsalam Abugharara, Stephen Butt, John Molgaard, Charles Hurich

In the proceedings of: GeoSt. John's 2019: 72nd Canadian Geotechnical Conference

Session: Rock Mechanics

ABSTRACT: A laboratory methodology of an anisotropy evaluation for fine grain sandstone is reported. The methodology involved four types of tests: (i) point load strength (OPLS) and (ii) compliant and non-compliant drilling as two primary tests, and (iii) ultrasonic wave velocity (OUSWV) measurement and (iv) unconfined (uniaxial) compressive strength (UCS) as supporting tests. Each test was conducted on samples produced from the same natural sandstone block in three orientations: vertical, diagonal, and horizontal. The primary tests were conducted for sandstone characterization determined by OUSWV using published anisotropy indices, and correlated with UCS. The tests showed sandstone isotropy, and are part of an ongoing study to develop a rock anisotropy characterization procedure.

RÉSUMÉ: Cette communication examine une méthode de laboratoire utilisée pour et non-conformes étant les deux premiers tests effectués et (iii) la mesure de la vitesse des ondes ultrasoniques (OUSWV), (iv) celle de la résistance à la compression uniaxiale (UCS) en tant que tests complémentaires. Chaque test a été mené sur des échantillons provenant de la même roche naturelle de grès selon trois orientations principals: verticale, diagonale et horizontale. Les tests principaux ont été conduits pour caractériser le grès tel que déterminé par et corrélés Empirical Procedure Investigation for Sandstone Anisotropy Evaluation: Part II Abdelsalam Abugharara and Stephen Butt Newfoundland and Labrador, Canada John Molgaard Department of Mechanical Engineering, Memorial University of Newfoundland, St. Charles Hurich Newfoundland and Labrador, Canada

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Cite this article:
Abdelsalam Abugharara; Stephen Butt; John Molgaard; Charles Hurich (2019) Empirical Procedure Investigation for Sandstone Anisotropy Evaluation: Part II in GEO2019. Ottawa, Ontario: Canadian Geotechnical Society.

@article{Geo2019Paper531,author = Abdelsalam Abugharara; Stephen Butt; John Molgaard; Charles Hurich,title = Empirical Procedure Investigation for Sandstone Anisotropy Evaluation: Part II,year = 2019}