Basic friction angles of carbonate rocks from Kananaskis country, Canada
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Cruden, D. M., & Hu, X. Q. (1988). Basic friction angles of carbonate rocks from Kananaskis country, Canada. Bulletin of the International Association of Engineering Geology, 38(1), 55-59. doi: 10.1007/BF02590448.
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Abstract
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Basic friction angles of the Paleozoic carbonate rocks of Kananaskis Country, west of Calgary, Canada were determined on a tilting table to range from 21.5° to 41.3°. The basic friction angles of carbonate rocks with impurity contents under 10% increase with calcite content and grain size. Clay minerals reduce basic friction angles in carbonate rocks with impurity contents over 10%. Sliding angles from repeated tests decrease with displacements for dolostones but not for limestones. The friction angles of highly polished surfaces are 7.5 to 7.9° for dolostones and 11.8 to 13.0° for limestones, a difference attributed to the frictional properties of the minerals.
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http://purl.org/coar/resource_type/c_6501 http://purl.org/coar/version/c_970fb48d4fbd8a85
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© 1988 Springer Verlag. This version of this article is open access and can be downloaded and shared. The original author(s) and source must be cited. The original publication is available at www.springerlink.com.
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en