Estimating Pullout Loads for Hill-Embedded Rock Anchors
Publication: Practice Periodical on Structural Design and Construction
Volume 18, Issue 4
Abstract
Based on classical mechanics, a mathematical model is formulated to predict the pullout load of an expanding steel anchor embedded in solid rock on the side of a hill. Thirteen anchor/rock system parameters are identified. Results are illustrated with a case study involving a rock anchor that failed while giving partial support to a line of utility poles subjected to high winds.
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Acknowledgments
The writer appreciates the cooperation of Waylon Pickett and Kenneth L. Pritten for furnishing important data related to this investigation.
References
Bedford, A., and Liechti, K. M. (2000). Mechanics of materials, Prentice Hall, Upper Saddle River, NJ.
Deere, D. U., and Miller, R. P. (1966). “Engineering classification and index properties for intact rock.” Technical Rep. No. AFWL-TR-65-116, Air Force Weapons Laboratory, Kirtland Air Force Base, Albuquerque, NM.
Timoshenko, S., and Goodier, J. N. (1951). Theory of elasticity, McGraw Hill, New York.
Timoshenko, S., and MacCullough, G. H. (1954), Elements of strength of materials, D. Van Nostrand, New York.
Wilson, J. F. (2011). “Utility pole and restraint flaws: Precursors of the 2007 Malibu Canyon fire.” Technical Rep., Wilson Associates, Chapel Hill, NC.
Wolfram, S. (1999). The mathematica book, Wolfram Media, Champaign, IL.
Information & Authors
Information
Published In
Practice Periodical on Structural Design and Construction
Volume 18 • Issue 4 • November 2013
Pages: 268 - 271
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Jun 30, 2012
Accepted: Dec 14, 2012
Published online: Dec 17, 2012
Published in print: Nov 1, 2013
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