Chapter
Apr 26, 2012
Steel Fibers Reinforced Grouted and Fiber Reinforced Polymer Helical Screw Piles—A New Dimension for Deep Foundations Seismic Performance
Authors: Y. Abdelghany, Ph.D. [email protected], and H. El Naggar, Ph.D. [email protected]Author Affiliations
Publication: Geo-Frontiers 2011: Advances in Geotechnical Engineering
Abstract
The axial and lateral monotonic and cyclic behavior of helical pile foundations was investigated and new helical screw systems suitable for seismic loadings were developed. More than one hundred full scale field load tests were conducted on instrumented helical screw piles installed in cohesive soil. The piles included: plain helical screw piles (P-HSP); grouted (G-HSPs); fiber reinforced polymer (FRP-G-HSPs); and reinforced grouted (RG-HSPs). The (RG-HSP) piles axial capacity was more than twice that for P-HSP, with minimal reduction after cyclic loading, and their lateral capacity was more than 3 times the P-HSPs capacity. A 3-D finite element model was established.
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Published In
Geo-Frontiers 2011: Advances in Geotechnical Engineering
Pages: 103 - 112
Copyright
© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Affiliations
P.Eng.
Construction Standards & Contracts Engineer, Ministry of Transportation & Infrastructure, 940 Blanchard St., Victoria, BC, V8W 9T5 Canada.E-mail: [email protected]
P.Eng.
Professor, Associate Dean, Research and External Relations, Faculty of Engineering, The University of Western Ontario, London, Ontario, N6A 5B9 Canada.E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.